Publications:

 Patents

1. Fagg, Duncan. 2023. "Fagg D.P., Method for simultaneous treatment of nitrous oxide and formation of nitric acid ; WO 2022058056A1, PT116729B; EP4214156A1"

2. Fagg D.P., Tao.Y, Mikhalev, S., Shaula, A, A sulfate/sulfide based rechargeable battery and uses thereof, EP3586385A1; US2019379009A1; WO2018154488A1 2020/01/01

 Book Chapters

1. Graça, V.C.D.; Loureiro, F.J.A.; Holz, L.I.V.; Mikhalev, S.M.; Araújo, A.J.M.; Fagg, D.P.. "Electrochemical ammonia synthesis: Mechanism, recent developments, and challenges in catalyst design". 497-514. 2022.

2. Araújo, A.J.M.; Paskocimas, C.A.; Loureiro, F.J.A.; Holz, L.I.V.; Graça, V.C.D.; Fagg, D.P.; Macedo, D.A.; Cesário, M.R.. "Electrocatalytic oxygen reduction and evolution reactions in solid oxide cells (SOCs): A brief review". 439-456. 2022.

3. Holz, L.I.V.; Loureiro, F.J.A.; Graça, V.C.D.; Araújo, A.J.M.; Fagg, D.P.; Mendes, A.; Mendes, D.. "Non-faradaic electrochemical modification of catalytic activity: A current overview". 515-530. 2022.

4. Loureiro, F.J.A.; Araújo, A.J.M.; Fagg, D.P.; Macedo, D.A.; Cesário, M.R.. "Solid oxide cells (SOCs) in heterogeneous catalysis". 427-438. 2022.

5. Araújo, Allan J. M.; Macedo, Daniel A.; Graça, Vanessa C. D.; Holz, Laura I. V.; Fagg, Duncan P.; Loureiro, Francisco J. A.; Allan J. M. Araújo ; et al. "Progress in Misfit Ca-Cobaltite Electrodes for Solid Oxide Electrochemical Cells". In Handbook of Energy Materials, editado por Ram Gupta, 1-34. Springer Nature Singapore, 2022. DOI 10.1007/978-981-16-4480-1_71-1

6. Laura I.V. Holz; Vanessa C.Graça; Loureiro, Francisco J. A.; Duncan P. Fagg. "Analysis of the Electrochemical Transport Properties of Doped Barium Cerate for Proton Conductivity in Low Humidity Conditions: A Review". In Intechopen. 2020.

7. Francisco J. A. Loureiro, Vinícius D. Silva, Thiago A. Simões, Moisés R. Cesário, João P. F. Grilo, Duncan P. Fagg, Daniel A. Macedo, “Misfit-layered Ca-cobaltite–based cathodes for intermediate temperature solid oxide fuel cells“, Intermediate Temperature Solid Oxide Fuel Cells, Elsevier, pp. 347-377, 2020 (DOI: 10.1016/B978-0-12-817445-6.00006-5).

8. Pukazhselvan, D., Sandhya, K.S. and Fagg, D.P., 2020. Nanostructured advanced materials for hydrogen storage. In Nanomaterials for Sustainable Energy and Environmental Remediation (pp. 97-163). Elsevier. https://doi.org/10.1016/B978-0-12-819355-6.00005-4

9. Pukazhselvan, D.; Nasani, Narendar; Singh, S. K.; Fagg, Duncan Paul. "Metal Oxide Additives Incorporated Hydrogen Storage Systems: Formation of In Situ Catalysts and Mechanistic Understanding". In Emerging Nanostructured Materials for Energy and Environmental Science, 215-245. Springer International Publishing, 2019. DOI 10.1007/978-3-030-04474-9_5

10. Fagg, Duncan; V.C.D.Graça; F.J.A.Loureiro. "Doping Strategies in Mixed Conducting Fluorites as Potential Anodes for Solid Oxide Fuel Cells (SOFCs)". In Fluorite: Structure, Chemistry and Applications”. Nova Science Publishers, 2018.

11. Holz, L., Graça, V., Loureiro, F., Fagg, D., Analysis of the Electrochemical Transport Properties of Doped Barium Cerate for Proton Conductivity in Low Humidity Conditions: A Review, Intechopen, 2020, (DOI: 10.5772/intechopen.93970).

12. Narendar Nasani, F. J. A. Loureiro and Duncan P. Fagg, Chapter 7: Proton Conducting Ceramic Materials for Intermediate Temperature Solid Oxide Fuel Cells, Book title: “Frontiers in Ceramic Science: Functional Materials for Solid Oxide Fuel Cells: Processing, Microstructure and Performance”, 131-164. BENTHAM SCIENCE PUBLISHERS, 2017. DOI 10.2174/9781681084312117010012

13. Nasani N, Fagg DP, Novel Nitrate-free Acetate-H2O2 Combustion Synthesis, Combustion: Types of Reactions, Fundamental Processes and Advanced Technologies, 2014 ISBN: 978-1-62948-967-4, Nova Publishers, pp,245-268.

14. Titus E, Gracio J, Fagg DP, Singh MK and Sousa ACM , Bio inspired magnetic carbon materials, Carbon Nanomaterials, 9th volume in the NmLS series, Ed. Challa S. S. R. Kumar. John Wiley and Sons Ltd, 2011.

 Selected publications in SCI

1. Raimundo, R.A.; Silva, V.D.; Ferreira, L.S.; Loureiro, F.J.A.; Fagg, D.P.; Macedo, D.A.; Gomes, U.U.; et al. "High magnetic moment of nanoparticle-sphere-like Co, Fe based composites and alloys prepared by proteic sol-gel synthesis: Structure, magnetic study and OER activity". Journal of Alloys and Compounds 940 (2023): DOI 10.1016/j.jallcom.2023.168783

2. Graça, V.C.D.; Holz, L.I.V.; Loureiro, F.J.A.; Mikhalev, S.M.; Fagg, D.P.. "Ba2NiMoO6-d as a potential electrode for protonic ceramic electrochemical cells". International Journal of Hydrogen Energy (2023): DOI 10.1016/j.ijhydene.2023.03.354

3. Shakel, Z.; Loureiro, F.J.A.; Melo, B.M.G.; Pukazhselvan, D.; Mikhalev, S.M.; Shaula, A.L.; Fagg, D.P.. "Investigating the grain boundary features of lithium titanium phosphate as an electrolyte for all-solid-state lithium-ion batteries and their optimization by boron doping". Journal of Energy Storage 65 (2023): DOI 10.1016/j.est.2023.107387

4. D, P.; Çaha, I.; Loureiro, F.J.A.; Shaula, A.L.; Mikhalev, S.M.; Deepak, F.L.; Fagg, D.P.. "Superior catalytic effect of titania - porous carbon composite for the storage of hydrogen in MgH2 and lithium in a Li ion battery". International Journal of Hydrogen Energy (2023): DOI 10.1016/j.ijhydene.2023.03.226

5. Graça, V.C.D.; Holz, L.I.V.; Araújo, A.J.M.; Loureiro, F.J.A.; Fagg, D.P.. "A novel niobium (oxy)nitride-BaCe0.7Zr0.1Y0.2O3-d composite electrode for Proton Ceramic Membrane Reactors (PCMRs)". Journal of Energy Storage 68 (2023): DOI 10.1016/j.est.2023.107769

6. Graça, V.C.D.; Holz, L.I.V.; Loureiro, F.J.A.; Mather, G.C.; Fagg, D.P.. "The effect of ammonolysis conditions on the structural properties and oxidation kinetics of cubic niobium oxynitride". Journal of Materials Chemistry C 11 29 (2023): 9960-9973. DOI 10.1039/d3tc01068f

7. Pukazhselvan, D.; Çaha, I.; Mikhalev, S.; Deepak, F.L.; Fagg, D.P.. "A highly active additive for magnesium hydride from the MgO–TiO2 mixed oxide family: Magnesium dititanate". International Journal of Hydrogen Energy (2023): DOI 10.1016/j.ijhydene.2022.12.363

8. Raimundo, R.A.; Silva, V.D.; Ferreira, L.S.; Loureiro, F.J.A.; Fagg, D.P.; Macedo, D.A.; Gomes, U.U.; et al. "NiFe Alloy Nanoparticles Tuning the Structure, Magnetism, and Application for Oxygen Evolution Reaction Catalysis". Magnetochemistry 9 8 (2023): DOI 10.3390/magnetochemistry9080201

9. Loureiro, F.J.A.; Shakel, Z.; Graça, V.C.D.; Holz, L.I.V.; Fagg, D.P.. "Benchmarking the yttrium content in the low temperature/low humidity electrical properties of yttrium-doped barium cerate". Ceramics International (2023): DOI 10.1016/j.ceramint.2023.08.148

10. Silva, T.R.; Raimundo, R.A.; Silva, V.D.; Santos, J.R.D.; Ferreira, L.S.; Araújo, A.J.M.; Loureiro, F.J.A.; et al. "Green synthesis of MnCo2O4 nanoparticles grown on 3D nickel foam as a self-supported electrode for oxygen evolution reaction". Colloids and Surfaces A: Physicochemical and Engineering Aspects 672 (2023): DOI 10.1016/j.colsurfa.2023.131626

11. Holz, L.I.V.; Loureiro, F.J.A.; Graça, V.C.D.; Mikhalev, S.M.; Fernandes, C.; Mendes, A.; Fagg, D.P.. "Strontium iron molybdenum oxide as electrocatalyst for nitrous oxide reduction in solid oxide fuel cells". International Journal of Hydrogen Energy (2023) DOI 10.1016/j.ijhydene.2023.05.251

12. Melo, K.P.V.; Araújo, A.J.M.; Grilo, J.P.F.; Fagg, D.P.; Macedo, D.A.; Loureiro, F.J.A.. "Understanding the oxygen reduction reaction of one-dimensional Ca3Co2O6 cathodes for SOFC". International Journal of Hydrogen Energy (2023): DOI 10.1016/j.ijhydene.2023.05.186

13. Pukazhselvan, D.; Granadeiro, C.M.; Loureiro, F.J.A.; Shaula, A.L.; Mikhalev, S.M.; Gonçalves, G.; Fagg, D.P.. "Comparative analyses of MIL-88B(Fe) and MIL-100(Fe) metal organic frameworks as active anode materials for Li ion batteries". Electrochimica Acta 465 (2023): DOI 10.1016/j.electacta.2023.142989

14. Zinaida Shakel; Francisco J. A. Loureiro; Isabel Antunes; Sergey M. Mikhalev; Duncan P. Fagg. "Tailoring the properties of dense yttrium-doped barium zirconate ceramics with nickel oxide additives by manipulation of the sintering profile". International Journal of Energy Research (2022): DOI 10.1002/er.8389

15. Laura I. V. Holz; Francisco J. A. Loureiro; Allan J. M. Araújo; Vanessa C. D. Graça; Diogo Mendes; Adélio Mendes; Duncan P. Fagg. "The electrochemical promotion of nitrous oxide reduction on a lanthanum strontium iron cobalt cathode". International Journal of Energy Research (2022): DOI 10.1002/er.8213

16. Allan J. M. Araújo; Francisco J. A. Loureiro; Laura I. V. Holz; Vanessa C. D. Graça; João P. F. Grilo; Daniel A. Macedo; Carlos A. Paskocimas; Duncan P. Fagg. "Boosted electrochemical performance of ca-cobaltite-based composite electrodes for reversible solid oxide cells". International Journal of Energy DOI 10.1002/er.8174

17. Allan J.M. Araújo; Francisco J.A. Loureiro; Rafael A. Raimundo; Daniel A. Macedo; Carlos A. Paskocimas; Duncan P. Fagg. "The effects of polarisation on the performance of the Ba2Co9O14–Ce0.8Gd0.2O2- composite electrode for fuel cells and electrolysers". International Journal of Hydrogen Energy (2022): DOI 10.1016/j.ijhydene.2022.01.169

18. Lourenço, A.A.; Silva, V.D.; Silva, R.B.; Silva, U.C.; Chesman, C.; Salvador, C.; Simões, T.A.; et al. "Tuning chemical and surface composition of nickel cobaltite-based nanocomposites through solvent and its impact on electrocatalytic activity for oxygen evolution". Journal of Materials Science 57 8 (2022): DOI 10.1007/s10853-022-06941-2

19. Triviño-Peláez, Á.; Pérez-Coll, D.; Aparicio, M.; Fagg, D.P.; Mosa, J.; Mather, G.C.. "Processing and characterisation of BaZr0.8Y0.2O3- d proton conductor densified at 1200 °c". Journal of Materials Chemistry A 10 8 (2022): 4428-4439. DOI 10.1039/d1ta09998a

20. Pukazhselvan, D.; Loureiro, F.J.A.; Shaula, A.; Mikhalev, S.; Bdikin, I.; Fagg, D.P.. "Anatase titania as magnesium host in Mg ion rechargeable battery with magnesium perchlorate/ethylmagnesium bromide electrolytes". Journal of Materials Science (2022): DOI 10.1007/s10853-021-06793-2

21. Alves, L.; Holz, L.I.V.; Fernandes, C.; Ribeirinha, P.; Mendes, D.; Fagg, D.P.; Mendes, A.. "A comprehensive review of NOx and N2O mitigation from industrial streams". Renewable and Sustainable Energy Reviews 155 (2022): DOI 10.1016/j.rser.2021.111916

22. Ferreira, L.S.; Silva, T.R.; Silva, V.D.; Raimundo, R.A.; Simões, T.A.; Loureiro, F.J.A.; Fagg, D.P.; Morales, M.A.; Macedo, D.A.. "Spinel ferrite MFe2O4 (M = Ni, Co, or Cu) nanoparticles prepared by a proteic sol-gel route for oxygen evolution reaction". Advanced Powder Technology 33 1 (2022): DOI 10.1016/j.apt.2021.12.010

23. Araújo, A.J.M.; Loureiro, F.J.A.; Grilo, J.P.F.; Macedo, D.A.; Paskocimas, C.A.; Fagg, D.P.. "Changing the oxygen reaction mechanism in composite electrodes by the addition of ionic- or ambipolar-conducting phases: Series or parallel pathways". Electrochimica Acta 418 (2022): DOI 10.1016/j.electacta.2022.140383

24. Graça, V.C.D.; Loureiro, F.J.A.; Holz, L.I.V.; Mikhalev, S.M.; Fagg, D.P.. "Toward improved chemical stability of yttrium-doped barium cerate by the introduction of nickel oxide". Journal of the American Ceramic Society 105 10 (2022): 6271-6283. DOI 10.1111/jace.18600

25. Holz, L.I.V.; Graça, V.C.D.; Loureiro, F.J.A.; Mikhalev, S.M.; Mendes, D.; Mendes, A.; Fagg, D.P.. "Tailoring the anion stoichiometry and oxidation kinetics of vanadium (oxy)nitride by the control of ammonolysis conditions". Journal of Materials Chemistry C 10 14 (2022): 5608-5620. DOI 10.1039/d2tc00545j

26. Raimundo, R.A.; Silva, V.D.; Loureiro, F.J.A.; Fagg, D.P.; Macedo, D.A.; Medeiros, E.S.; Soares, M.M.; et al. "Fe0.5Co0.5-Co1.15Fe1.15O4/carbon composite nanofibers prepared by solution blow spinning: Structure, morphology, Mössbauer spectroscopy, and application as catalysts for electrochemical water oxidation". International Journal of Hydrogen Energy 47 60 (2022): 25266-25279. DOI 10.1016/j.ijhydene.2022.05.253

27. Pukazhselvan, D.; Reis Silva, D.A.; Sandhya, K.S.; Fateixa, S.; Shaula, A.; Nogueira, H.; Bdikin, I.; Fagg, D.P.. "Interaction of zirconia with magnesium hydride and its influence on the hydrogen storage behavior of magnesium hydride". International Journal of Hydrogen Energy 47 51 (2022): 21760-21771. DOI 10.1016/j.ijhydene.2022.04.290

28. Pukazhselvan, D.; Shaula, A.L.; Mikhalev, S.M.; Bdikin, I.; Fagg, D.P.. "Elucidating Evidence for the In Situ Reduction of Graphene Oxide by Magnesium Hydride and the Consequence of Reduction on Hydrogen Storage". Catalysts 12 7 (2022): DOI 10.3390/catal12070735

29. Araújo, A.J.M.; Loureiro, F.J.A.; Grilo, J.P.F.; Macedo, D.A.; Paskocimas, C.A.; Fagg, D.P.. "A high-performance oxygen electrode for solid oxide cells: Compositional optimisation of barium cobaltite-based composites". Journal of Alloys and Compounds 906 (2022): DOI 10.1016/j.jallcom.2022.164382

30. Pukazhselvan, D.; Çaha, I.; Jakka, S.K.; Graça, V.C.D.; Holz, L.I.V.; Soares, M.J.; Kovalevsky, A.V.; Deepak, F.L.; Fagg, D.P.. "Catalysis of ceria incorporated magnesium hydride: A follow up study". International Journal of Hydrogen Energy 47 67 (2022): 28978-28992. DOI 10.1016/j.ijhydene.2022.06.228

31. Graça, V.C.D.; Loureiro, F.J.A.; Holz, L.I.V.; Mikhalev, S.M.; Fagg, D.P.. "Assessment of the electrical properties and chemical stabilities of BaCe0.9Y0.1O3-d and BaCe0.7Zr0.1Y0.2O3-d proton ceramic electrolytes at low temperatures, 300 to 600°C". International Journal of Energy Research (2022): DOI 10.1002/er.8746

32. Holz, L.I.V.; Loureiro, F.J.A.; Graça, V.C.D.; Mikhalev, S.M.; Mendes, D.; Mendes, A.; Fagg, D.P.. "Vanadium (oxy)nitride as a new category of anode for direct ammonia solid oxide fuel cells cells". Renewable Energy 201 (2022): 124-130. DOI 10.1016/j.renene.2022.10.098

33. Allan J.M. Araújo; Francisco J.A. Loureiro; Laura I.V. Holz; João P.F. Grilo; Daniel A. Macedo; Carlos A. Paskocimas; Duncan P. Fagg. "Composite of calcium cobaltite with praseodymium-doped ceria: A promising new oxygen electrode for solid oxide cells". International Journal of Hydrogen Energy 46 55 (2021): 28258-28269. DOI 10.1016/j.ijhydene.2021.06.049

34. Vinícius D. Silva; Rafael A. Raimundo; Thiago A. Simões; Francisco J.A. Loureiro; Duncan P. Fagg; Marco A. Morales; Daniel A. Macedo; Eliton S. Medeiros. "Nonwoven Ni–NiO/carbon fibers for electrochemical water oxidation". International Journal of Hydrogen Energy 46 5 (2021): 3798-3810. DOI 10.1016/j.ijhydene.2020.10.156

35. Loureiro, F.J.A.; Pukazhselvan, D.; Bdikin, I.; Shaula, A.L.; Mikhalev, S.M.; Fagg, D.P.. "Electrochemical behaviour of magnesium hydride-added titania anode for Li-ion battery". Electrochimica Acta 394 (2021): DOI 10.1016/j.electacta.2021.139142

36. Loureiro, F.J.A.; Ramasamy, D.; Graça, V.C.D.; Holz, L.I.V.; Mikhalev, S.M.; Fagg, D.P.. "Analysis of La4Ni3O10±d-BaCe0.9Y0.1O3-d composite cathodes for proton ceramic fuel cells". Applied Sciences (Switzerland) 11 8 (2021): DOI 10.3390/app11083407

37. Loureiro, F.J.A.; Shakel, Z.; Graça, V.C.D.; Fagg, D.P.. "Effect of humidification on the grain boundary conductivity and space-charge effects in yttrium-doped barium cerate". International Journal of Hydrogen Energy 46 46 (2021): 23828-23838. DOI 10.1016/j.ijhydene.2021.04.175

38. Araújo, A.J.M.; Loureiro, F.J.A.; Holz, L.I.V.; Graça, V.C.D.; Grilo, J.P.F.; Macedo, D.A.; Paskocimas, C.A.; Fagg, D.P.. "Creating new surface-exchange pathways on the misfit Ca-cobaltite electrode by the addition of an active interlayer". Journal of Power Sources 510 (2021): DOI 10.1016/j.jpowsour.2021.230417

39. Cesario, M.R., Souza, G.S., Loureiro, F.J.A., Araújo, A.J.M., Grilo, J.P.F., Aousad, S., Tidahy, H.L., Macedo, D.A., Fagg, D.P., Gennequin, C., Abi-Aad, E., Synthesis of Co–Ni and Cu–Ni based-catalysts for dry reforming of methane as potential components for SOFC anodes , Ceramics International, 47(23)(2021)33191-33201, DOI 10.1016/j.ceramint.2021.08.220

40. Mikhalev, S.M., Julião, P.S.B., Loureiro, F.J.A., Kovalevskey, A.V., Shaula, A.L., Frade, J.R., Fagg, D.P., Electrochemical saturation of antimony-lead melts with oxygen: Cell design and measurement, Electrochimica Acta, 395(2021)139206, DOI 10.1016/j.electacta.2021.139206

41. Araújo, A.J.M., Loureiro, F.J.A., Holz, L.I.V., Graça, V.C.D., Grilo, J.P.F., Macedo, D.A., Paskocimas, C.A., Fagg, D.P., Creating new surface-exchange pathways on the misfit Ca-cobaltite electrode by the addition of an active interlayer , Journal of Power Sources, 510(2021)230417, DOI 10.1016/j.jpowsour.2021.230417

42. Loureiro, F.J.A., Pukazhselvan, D., Bdikin, I., Shaula, A.L., Mikhalev, S.M., Fagg, D.P., Electrochemical behaviour of magnesium hydride-added titania anode for Li-ion battery, Electrochimica Acta, 394(2021)139142, DOI 10.1016/j.electacta.2021.139142

43. Lima, A.J.M., Silva, V.D., Raimundo, R.A., Morales, M.A., Simões, T.A., Loureiro, F.J.A., Fagg, D.P., Macedo, D.A., Nascimento, R.M., Fe-doped calcium cobaltites as electrocatalysts for oxygen evolution reaction, Ceramics International 47(18)(2021)26109-26118 DOI 10.1016/j.ceramint.2021.06.017

44. Araújo, A.J.M., Loureiro, F.J.A., Holz, L.I.V., Grilo, J.P.F., Macedo, D.A:, Paskocimas, C.A., Fagg, D.P., Composite of calcium cobaltite with praseodymium-doped ceria: A promising new oxygen electrode for solid oxide cells, International Journal of Hydrogen Energy, 46(55)(2021)28258-28269. DOI 10.1016/j.ijhydene.2021.06.049

45. Soares, H.S., Antunes, I., Loureiro, F.J.A., Pérez-Coll, D., Willinger, M.-G., Brandão, A.D., Mather, G.C., Fagg, D.P. , Effect of the addition mechanism of ZnO sintering aid on densification, microstructure and electrical properties of Ba(Zr,Y)O3-d proton-conducting perovskite, International Journal of Hydrogen Energy, 46(52)(2021)26466-26477, DOI 10.1016/j.ijhydene.2021.05.109

46. Loureiro, F.J.A., Shakel, Z., Graça, V.C.D., Fagg, D.P., Effect of humidification on the grain boundary conductivity and space-charge effects in yttrium-doped barium cerate, International Journal of Hydrogen Energy, 46(46)(2021)23828-23838 DOI 10.1016/j.ijhydene.2021.04.175

47. Nasani, N., Shakel, Z., Loureiro, F.J.A., Panigrahi, B.B., Kale, B.B., Fagg, D.P., Exploring the impact of sintering additives on the densification and conductivity of BaCe0.3Zr0.55Y0.15O3-d electrolyte for protonic ceramic fuel cells, Journal of Alloys and Compounds, 862(2021)158640, DOI 10.1016/j.jallcom.2021.158640

48. Antunes, I., Pérez-Coll, D., Nasani, N., Soares, H.S., Mather, G.C., Frade, J.R., Fagg, D.P., Mechanochemical processing of BaZr1-yYyO3-d (y = 0.15, 0.20) protonic ceramic electrolytes: Phase purity, microstructure, electrical properties and comparison with other preparation routes, International Journal of Hydrogen Energy, 46(25)(2021)13606–13621 DOI 10.1016/j.ijhydene.2020.06.222

49. Loureiro, F.J.A., Ramasamy, D., Mikhalev, S.M., Shaula, S.L., Macedo, D.A., Fagg, D.P., La4Ni3O10±d – BaCe0.9Y0.1O3-d cathodes for proton ceramic fuel cells; short-circuiting analysis using BaCe0.9Y0.1O3-d symmetric cells, International Journal of Hydrogen Energy, 46(25)(2021)13594–13605, DOI 10.1016/j.ijhydene.2020.06.243

50. Loureiro, F.J.A., Ramasamy, D., Graça, V.C.D., Holz, L.I.V., Mikhalev, S.M., Fagg, D.P., Analysis of La4Ni3O10±d-BaCe0.9Y0.1O3-d composite cathodes for proton ceramic fuel cells, Applied Sciences (Switzerland), 11(8)(2021)3407, DOI 10.3390/app11083407

51. Loureiro, F.J.A., Araújo, A.J.M., Paskocimas, C.A., Macedo, D.A., Fagg, D.P., Polarisation mechanism of the misfit Ca-cobaltite electrode for reversible solid oxide cells, Electrochimica Acta, 373(2021)137928, DOI 10.1016/j.electacta.2021.137928

52. Silva, V.D., Raimundo, R.A., Simões, T.A., Loureiro, F.J.A., Fagg, D.P.,Morales, M.A., Macedo, D.A., Medeiros, E.S., Nonwoven Ni–NiO/carbon fibers for electrochemical water oxidation, International Journal of Hydrogen Energy, 46(5)(2021)3798–3810, DOI 10.1016/j.ijhydene.2020.10.156

53. Melo, B.M.G., Loureiro, F.J.A., Fagg, D.P., Costa, L.C., Graça, M.P.F., DFRTtoEIS: An easy approach to verify the consistency of a DFRT generated from an impedance spectrum, Electrochimica Acta, 366(2021)137429, DOI 10.1016/j.electacta.2020.137429

54. Ferreira, L.S., Silva, T.R., Silva, V.D., Raimundo, R.A., Simões, T.A., Loureiro, F.J.A., Fagg, D.P., Morales, M.A., Macedo, D.A., Spinel ferrite MFe2O4 (M = Ni, Co, or Cu) nanoparticles prepared by a proteic sol-gel route for oxygen evolution reaction, Advanced Powder Technology, 2021, 103391, DOI 10.1016/j.apt.2021.12.010

55. Pukazhselvan, D., Sandhya, K.S., Ramasamy, D., Bdikin, I., Fagg, D.P., Active catalytic species generated in situ in zirconia incorporated hydrogen storage material magnesium hydride, Journal of Magnesium and Alloys, 2021, DOI 10.1016/j.jma.2021.09.015

56. Nasani, N., Kovalevsky, A.V., Xie, W., Rasekh, S., Constantinescu, G., Weidenkaff, A., Pukazhselvan, D., Fagg, D.P., Journal of Physical Chemistry C, Volume 124, Issue 24, 18 June 2020, Pages 13017-13025, Unravelling the Effects of Calcium Substitution in BaGd2CoO5, Haldane Gap 1D Material and Its Thermoelectric Performance, (DOI: 10.1021/acs.jpcc.0c03149).

57. Araújo, A., Grilo, J., Loureiro, F., Holz, L., Macedo, D., Fagg, D., Paskocimas, C., Proteic sol–gel synthesis of Gd-doped ceria: a comprehensive structural, chemical, microstructural and electrical analysis, (2020), Journal of Materials Science, 55, art. no. 16864, (DOI: 10.1007/s10853-020-05173-6).

58. Loureiro, F., Ramasamy, D., Mikhalev, S., Shaula, A., Macedo, D., Fagg, D., La4Ni3O10±? – BaCe0.9Y0.1O3-? cathodes for proton ceramic fuel cells; short-circuiting analysis using BaCe0.9Y0.1O3-? symmetric cells, (2020), International Journal of Hydrogen Energy, In press (DOI: 10.1016/j.ijhydene.2020.06.243).

59. Loureiro, F., Ramasamy, D., Ribeiro, A., Mendes, A., Fagg, D., Underscoring the transport properties of yttrium-doped barium cerate in nominally dry oxidising conditions, (2020), Electrochimica Acta, 334, art. no. 135625, (DOI: 10.1016/j.electacta.2020.135625).

60. Pukazhselvan, D., Sandhya, K.S., Ramasamy, D., Shaula, A., Fagg, D.P., Transformation of metallic Ti to TiH2 phase in the Ti/MgH2 composite and its influence on the hydrogen storage behavior of MgH2, (2020), ChemPhysChem, vol. 21, pp. 1195-1201 (DOI: doi.org/10.1002/cphc.202000031).

61. E.B.G.A. Fulgêncio, F.J.A.Loureiro, K.P.V Melo, R.M. Silva, D.P. Fagg, L.F.A. Campos, D.A. Macedo, Boosting the oxygen reduction reaction of the misfit [Ca2CoO3-d][CoO 2] (C349) by the addition of praseodymium oxide, Journal of Alloys and Compounds, 788 (2019) 148-154

62. D.Pukazhselvan, N.Nasani, T.Yang, D.Ramasamy, A.L.Shaula, D.P.Fagg, Chemically transformed additive phases in Mg 2 TiO 4 and MgTiO 3 loaded hydrogen storage system MgH 2, Applied Surface Science, 472 (2019) 99-104

63. F.J.A. Loureiro, D.A. Macedo, R.M. Nascimento, M.R. Cesário, J.P.F Grilo, A.A. Yaremchenko, D.P. Fagg, Cathodic polarisation of composite LSCF-SDC IT-SOFC electrode synthesised by one-step microwave self-assisted combustion, Journal of the European Ceramic Society, 39 (5)(2019)1846-1853

64. G.Heras-Juaristi, U.Amador, J.Romero De Paz, D.P.Fagg, D.Pérez-Coll, G.C. Mather, Structures, Phase Fields, and Mixed Protonic-Electronic Conductivity of Ba-Deficient, Pr-Substituted BaZr0.7 Ce0.2 Y0.1 O3-3, Inorganic Chemistry 57 (2018) 15023-15033

65. A.D.Brandão, N. Nasani, A.A.Yaremchenko, A.A., A.V.Kovalevsky, D.P.Fagg, Solid solution limits and electrical properties of scheelite Sry La1-y Nb1-x Vx O4-d materials for x = 0.25 and 0.30 as potential proton conducting ceramic electrolytes, International Journal of Hydrogen Energy, 43(40), 18682-18690, 2018

66. J.R.D.Santos, F.J.A.Loureiro, J.P.F.Grilo, D.P.Fagg, D.A.Macedo, Understanding the cathodic polarisation behaviour of the misfit [Ca2CoO3-d]q][CoO2] (C349) as oxygen electrode for IT-SOFC, Electrochimica Acta, 285,214-220, 2018

67. V.D.Silva, T.A.Simões, F.J.A.Loureiro, D.P.Fagg, E.S.Medeiros, D.A.Macedo, Electrochemical assessment of Ca3Co4O9 nanofibres obtained by Solution Blow spinning, Materials Letters, 221, (2018), 81-84

68. V.D.Silva, R.M.Silva, J.P.F.Grilo, E.S.Medeiros, F.J.A. Loureiro, D.P.Fagg, D.A.Macedo, Electrochemical assessment of novel misfit Ca-cobaltite-based composite SOFC cathodes synthesized by solution blow spinning, J.Europ.Ceram.Soc. 38 (2018) 2562-2569

69. T.H.Santos, J.P.F.Grilo, F.J.A.Loureiro, D.P.Fagg, F.C.Fonseca, D.A.Macedo, Structure, densification and electrical properties of Gd3+ and Cu2+ co-doped ceria solid electrolytes for SOFC applications: Effects of Gd2O3 content, Ceramics International 44 (2018) 2745-2751

70. V.D.Silva, R.M.Silva, J.P.F.Grilo, E.S.Medeiros, F.J.A. Loureiro, D.P.Fagg, D.A.Macedo, Electrochemical assessment of novel misfit Ca-cobaltite-based composite SOFC cathodes synthesized by solution blow spinning, J.Europ.Ceram.Soc. 38 (2018) 2562-2569

71. D.Pukazhselvan, N.B.Selvaraj, I.Bdikin, R.S.S.Saravanan, S.K.Jakka, M.J.Soares, D.P.Fagg, Unique dielectric features of a ceramic-semiconductor nanocomposite MgNb2O6 + 0.25Zn0.5Cd0.5S, Applied Surface Science 424 (2017) 127-131

72. D.Pukazhselvan, N.Narendar, P.Correia, E.Carbó-Argibay, G..Otero-Irurueta, D.G.Stroppa, D.P.Fagg Evolution of reduced Ti containing phases in MgH2/TiO2 system and its effect on the hydrogen storage behavior of MgH2, J.Power Sources, 362 (2017) 174-183

73. I.Antunes, U.Amador, A.Alves, M.R.Correia, C.Ritter, J.R.Frade, D.Pérez-Coll, G.C.Mather, D.P.Fagg, Structure and Electrical-Transport Relations in Ba(Zr,Pr)O3-d Perovskites, Inorganic Chemistry, 56(2017) 9120-9131

74. D.Pukazhselvan, N.Narendar, P.Correia, E.Carbó-Argibay, G..Otero-Irurueta, D.G.Stroppa, D.P.Fagg Evolution of reduced Ti containing phases in MgH2/TiO2 system and its effect on the hydrogen storage behavior of MgH2, J.Power Sources, 362 (2017) 174-183

75. D.Pukazhselvan, D., N.Nasani, K.B.Sandhya, B.Singh, I.Bdikin, N.Koga, D.P.Fagg, Role of chemical interaction between MgH2 and TiO2 additive on the hydrogen storage behavior of MgH2, Applied Surface Science, 420(31)(2017)740-745

76. N.M.Ferreira, M.C.Ferro, D.P.Fagg, F.M.Costa, J.R.Frade, A.V.Kovalevsky, Exploring the effects of silica and zirconia additives on electrical and redox properties of ferrospinels, J.Europ. Ceram. Soc. 37(7)(2017)2621-26281

77. A.R.O.Sousa, A.J.M.Araujo, G.S.Souza, J.P.F.Grilo, F.J.Loureiro, D.P.Fagg, D.A.Macedo, Electrochemical assessment of one-step Cu-CGO cermets under hydrogen and biogas fuels Materials Letters, 191(15)(2017)141-144

78. N.Nasani, C.M.Oliveira Rocha, A.V.Kovalevsky, G.Otero Irurueta, S.Populoh, P.Thiel, A.Weidenkaff, F.Neto Da Silva, D.P. Fagg, Exploring the Thermoelectric Performance of BaGd2NiO5 Haldane Gap Materials, Inorganic Chemistry, 56(4)(2017)2354-2362

79. D.Pukazhselvan, N.Nasani, T.Yang, I.Bdikin, A.V.Kovalevsky, D.P.Fagg, Dehydrogenation Properties of Magnesium Hydride Loaded with Fe, Fe-C, and Fe-Mg Additives, ChemPhysChem 18 (3)(2017)287-291

80. N.Nasani, D.Pukazhselvan, A.V.Kovalevsky, A.L.Shaula, D.P.Fagg, Conductivity recovery by redox cycling of yttrium doped barium zirconate proton conductors and exsolution of Ni-based sintering additives, J.Power Sources, 339(2017) 93-1025

81. A.V.Kovalevsky, M.H.Aguirre, S.Populoh, S.G.Patrício, N.F.Ferreira, S.M.Mikhalev, D.P.Fagg, A.Weidenkaff, J.R.Frade, Designing strontium titanate-based thermoelectrics: insight into defect chemistry mechanisms, J.Mater. Chem. A, 5(8)(2017)3909-3922

82. I.Antunes, S.M.Mikhalev, G.C.Mather, V.V.Kharton, F.G.Figueiras, A.Alves, J.Rodrigues, M.R.Correia, J.R.Frade, D.P.Fagg, Site Redistribution, Partial Frozen-in Defect Chemistry, and Electrical Properties of Ba1-x(Zr,Pr)xO3-d, Inorganic Chemistry, 55 (17)(2016)8552-8563

83. K.Zakharchuk, E.Kravchenko, D.P.Fagg, JR.Frade, A.A.Yaremchenko, Mixed Ionic-Electronic Conductivity and Thermochemical Expansion of Ca and Mo Co-Substituted Pyrochlore-Type Gd2Ti2O7, RSC Adv., 2016, 6(2016)70186-70196

84. D.Pérez-Coll, J.C.Pérez-Flores, N.Nasani, P.R.Slater,D.P.Fagg, Exploring the mixed transport properties of sulfur(VI)-doped Ba2In2O5 for intermediate-temperature electrochemical applications, J.Mater.Chem.A, 4(2016)11069 - 11076

85. K.S.Sandhya, D.Pukazhselvan, D.P.Fagg, N.Koga, Interaction of magnesium hydride clusters with Nb doped MgO additive studied by density functional calculations, RSC Adv., 6(2016)61200-61206

86. C.G.Moura, J.Paulo de F.Grilo, D.A.Macedo, M.R.Cesário, D.P.Fagg, R.M.Nascimento, Cobalt-free perovskite Pr0.5Sr0.5Fe1-xCuxO3-d (PSFC) as a cathode material for intermediate temperature solid oxide fuel cells, Materials Chemistry and Physics,180(2016)256–262

87. T.Yang, A.L.Shaula, S.M.Mikhalev, D.Ramasamy, D.P.Fagg, Silver-praseodymium oxy-sulfate cermet: A new composite cathode for intermediate temperature solid oxide fuel cells, Journal of Power Sources, 306(2016)611-616

88. D.Pukazhselvan, J.Perez, N.Nasani,I.Bidkin, A.V.Kovalevsky, D.P.Fagg, Formation of MgxNbyOx+y through the Mechanochemical Reaction of MgH2 and Nb2O5, and Its Effect on the Hydrogen-Storage Behavior of MgH2, ChemPhysChem 17(1)(2016) 178-183

89. D.Pukazhselvan, G.Otero-Irurueta, J.Pérez, B.Singh, I.Bidkin, M.K.Singh, D.P.Fagg, Crystal structure, phase stoichiometry and chemical environment of MgxNbyOx+y nanoparticles and their impact on hydrogen storage in MgH2, International Journal of Hydrogen Energy, 41(27(2016)11709-11715

90. D.Pukazhselvan, I.Bdikin, J.Perez, E.Carbó-Argibay, I.Antunes, D.G.Stroppa, D.P.Fagg, Formation of Mg-Nb-O rock salt structures in a series of mechanochemically activated MgH2 + nNb2O5 (n = 0.083-1.50) mixtures, International Journal of Hydrogen Energy, 41(2016)2677-2688

91. D.Pukazhselvan, N.Nasani, J.Pérez, M.J.Hortigüela, T.Yang, I.Bdikin, D.P.Fagg, Two step mechanochemical synthesis of Nb doped MgO rock salt nanoparticles and its application for hydrogen storage in MgH2. International Journal of Hydrogen Energy, 41(2016)11716-11722

92. F.J.A.Loureiro, T.Yang, D.G.Stroppa, D.P.Fagg, Pr2O2SO4-La0.6Sr0.4Co0.2Fe0.8O3-d: A new category of composite cathode for intermediate temperature-solid oxide fuel cells, Journal of Materials Chemistry A, 3(2015)12636-12641.

93. D.Ramasamy, N.Narendar, D.Perez Coll, A.D.Brandao, D.P.Fagg, Enhancing electrochemical performance by control of transport properties in buffer layers – Solid oxide fuel/electrolyser cells, Physical Chemistry Chemical Physics, 3(2015)12636-12641

94. J.Macías, A.A.Yaremchenko, D.P.Fagg, J.R.Frade, Structural and defect chemistry guidelines for Sr(VNb)O3-based SOFC anode materials. Physical Chemistry Chemical Physics, 17((2015)10749-10758.

95. N.Nasani, D.Ramasamy, I.Antunes, J.Perez, D.P.Fagg, Electrochemical behaviour of Ni-BZO and Ni-BZY cermet anodes for protonic ceramic fuel cells (PCFCs) - A comparative study, Electrochimica Acta, 154(2015)7-13.

96. N.Nasani, D.Ramasamy, I.Antunes, B.Singh, D.P.Fagg, Structural and electrical properties of strontium substituted Y2BaNiO5, Journal of Alloys and Compounds, 620(2015)91-96.

97. N.Nasani, D.Ramasamy, S.Mikhalev, A.V.Kovalevsky, D.P.Fagg, Fabrication and electrochemical performance of a stable, anode supported thin BaCe0.4Zr0.4Y0.2O3-d electrolyte protonic ceramic fuel cell, Journal of Power Sources, 278(2015)582-589.

98. D.Pérez-Coll, G.Heras-Juaristi, D.P.Fagg, G.C.Mather, Methodology for the study of mixed transport properties of a zn-doped SrZr0.9Y0.1O3-d electrolyte under reducing conditions. Journal of Materials Chemistry A, 3(20) (2015)11098-11110.

99. D.Pukazhselvan, D.P.Fagg, O.N.Srivastava, One step high pressure mechanochemical synthesis of reversible alanates NaAlH4 and KAlH4. International Journal of Hydrogen Energy, 40(14) (2015)4916-4924.

100. D.Pukazhselvan, J.Perez, R.Beja, C.Vieira Lopes, F.Queiros De Melo, D.P,Fagg, Simulation studies and safety analysis of high pressure milling vials for the direct synthesis of high capacity metal hydrides. International Journal of Hydrogen Energy, 40(14) (2015)5006-5012.

101. D.Ramasamy, N.Nasani, A.D.Brandão, D.Pérez Coll, D.P.Fagg, Enhancing electrochemical performance by control of transport properties in buffer layers-solid oxide fuel/electrolyser cells. Physical Chemistry Chemical Physics, 17(17) (2015)11527-11539.

102. D.Ramasamy, A.L.Shaula, A.Gómez-Herrero, V.V.Kharton, D.P.Fagg, Oxygen permeability of mixed-conducting Ce0.8Tb0.2O2-d membranes: Effects of ceramic microstructure and sintering temperature. Journal of Membrane Science, 475 (2015)414-424.

103. Z.Sherafat, M.H.Paydar, I.Antunes, N.Nasani, A.D.Brandão, D.P.Fagg, Modeling of electrical conductivity in the proton conductor Ba0.85K0.15ZrO3-d. Electrochimica Acta, 165(2015)443-449.

104. A.A.Yaremchenko, S.Populoh, S.G.Patrício, J.Macías, P.Thiel, D.P.Fagg, J.R.Frade, A.Weidenkaff, A.V.Kovalevsky, Boosting thermoelectric performance by controlled defect chemistry engineering in Ta-substituted strontium titanate. Chemistry of Materials, 27(14) (2015)4995-5006.

105. A.V.Kovalevsky, S.Populoh, S.G.Patricio, P.Thiel, M.C.Ferro, D.P.Fagg, J.R.Frade, A.Weidenkaff, Design of SrTiO3-Based Thermoelectrics by Tungsten Substitution, J.Phys.Chem.C. 119(9)(2015)4466

106. N.Nasani, D.Ramasamy, I.Antunes, B.K. Singh, D.P. Fagg, Structural and electrical properties of strontium substituted Y2BaNiO5, J. Alloys and Compounds, 620(2015)91-96

107. A. V. Kovalevsky, A. A. Yaremchenko, S. Populoh, P. Thiel, D. P. Fagg, A. Weidenkaff and J. R. Frade, Towards a high thermoelectric performance in rare-earth substituted SrTiO3: effects provided by strongly-reducing sintering conditions, Phys. Chem. Chem. Phys., 16 (2014) 26946-26954

108. D.Pukazhselvan, Giovanni Capurso, Amedeo Maddalena, Sergio Lo Russo, Duncan P. Fagg, Hydrogen storage characteristics of magnesium impregnated on the porous channels of activated charcoal scaffold, Int.J.Hydrogen Energy, 39 (35)(2014)20045-20053

109. N.Narendar, D.Ramasamy, A.D.Brandao, A.A. Yaremchenko, D.P. Fagg, The impact of porosity, pH2 and pH2O on the polarisation resistance of Ni-BaZr0.85Y0.15O3- cermet anodes for Protonic Ceramic Fuel Cells (PCFCs), Int.J.Hydrogen Energy, 39 (36)(2014)21231-21241

110. N.Narendar, Z-J. Wang, M.G. Willinger, A.A. Yaremchenko, D.P. Fagg, In-situ redox cycling behavior of Ni-BaZr0.85Y0.15O3-d cermet anodes for Protonic Ceramic Fuel Cells, Int.J.Hydrogen Energy, 39 (34)(2014)19780-19788

111. D.Pukazhselvan, I.Antunes, S.L.Russo, J.Perez, D.P.Fagg, Synthesis of catalytically active rock salt structured MgxNb1-xO nanoparticles for MgH2 system, Int.J.Hydrogen Energy, 39 (35)(2014)20045-20053

112. A.Davarpanah, A.A.Yaremchenko, D.P.Fagg,J.R.Frade, Ni-YSZ cermets for solid oxide fuel cell anodes via two-step firing, International Journal of Hydrogen Energy, 39(27)(2014)15046-15056

113. Z.Sherafat, I.Antunes, C.Almeida, J.R.Frade, M.H.Paydar, G.C.Mather, D.P.Fagg, “Enhanced BaZrO3 mechanosynthesis by the use of metastable ZrO2 precursors” Dalton transactions, 43(2014)9324

114. K.V. Zakharchuk, A.A. Yaremchenko, D.P. Fagg, “Electrical properties and Thermal Expansion of Strontium Aluminates” J.Alloys and Compounds 613(2014)232-237

115. A.Kaushal, S.M.Olhero, B.Singh, D.P.Fagg, I.Bdikin, J.M.F.Ferreira, “Impedance analysis of 0.5Ba(Zr0.2Ti0.8)O 3-0.5(Ba0.7Ca0.3)TiO3 ceramics consolidated from micro-granules” Ceramics International, 40(7, PART B)(2014)10593

116. D.Araújo de Macedoa, M.R.Cesárioa, D.Maria de Araujo Meloa, R.M.Nascimentoa, C.A.Paskocimasa, A.E.Martinellia, D.P.Fagg, “Microwave Assisted Self-Combustion Synthesis and Electrochemical Performance of LSCF-SDC Composite Cathodes” ECS Trans.53(22)(2013)7-15

117. D.Pérez-Coll, G.Heras-Juaristi, D.P.Fagg, G.C.Mather, “Transport-number determination of a protonic ceramic electrolyte membrane via electrode-polarisation correction with the Gorelov method” J.Power Sources 245(2014)445-455

118. N.Nasani, P.A.N.Dias, J.A.Saraiva, D.P.Fagg, “Synthesis and conductivity of Ba(Ce,Zr,Y)O3-d electrolytes for PCFCs by new nitrate-free combustion method,” Int.J.Hydrogen Energy, 38(20)(2013)8461-8470

119. N.Narendar, P.N.Dias, G.C.Mather, D.P.Fagg, “The importance of phase purity in Ni-BaZr0.85Y0.15O3-d cermet anodes – Novel nitrate-free combustion route and electrochemical study,” RSC Advances, 3(3)(2013)859

120. P.N.Dias, N.Narendar, T.S.Horozov, D.P.Fagg, “Non-aqueous stabilized suspensions of BaZr0.85Y0.15O3-d proton conducting electrolyte powders for thin film preparation,” J.Europ.Ceram.Soc. DOI:10.1016/j.jeurceramsoc.2013.02.030

121. H.S.Soares, X.Zhang, I.Antunes, J.R.Frade, G.C.Mather, D.P.Fagg, "Effect of phosphorous additions on the sintering and trasnport properties of proton conducting BaZr0.85Y0.15O3-d", J.Solid State Chem. DOI:10.1016/j.ssc.2012.02.053

122. A.D.Brandao, I.Antunes, J.R.Frade, J.Torre, S.M.Mikhalev, D.P.Fagg, "Mechanochemical preparation, sintering aids and hybrid microwave sintering in the proton conductor Sr0.02La0.98Nb1-xVxO4-d, x = 0, 0.15" Int. J. Hydrogen Energy, 37(8)(2012)7252-7261

123. J.F.Monteiro, A.A.Ferreira, I.Antunes, D.P.Fagg, J.R.Frade, "Thermodynamic restrictions on mechanosynthesis of strontium titante" J.Solid State Chem. 185(2012)143-149

124. P.A.N.Dias, J.A.C.Alves, D.P.Fagg, M.S.Reis, M.H.Gil, "Development of Semitransparent wood-ploymer composites" J.Vinyl and Additive Tech. (2012)DOI:10.1002/vnl.20295

125. A.D.Brandão, J.Gracio, G.C.Mather, V.V.Kharton, D.P.Fagg, B-site substitutions in LaNb1-xMxO4-d materials in the search for potential proton conductors (M=Ga,Ge,Si,B,Ti,Zr,P,Al)," J.Solid State Chem. 184(4)(2011)863-870

126. J.M.Sousa, A.L.Ferreira, D.P.Fagg, E.Titus, R.Krishna, J.Gracio, "Temperature dependence of the Henry’s law constant for hydrogen storage in NaA Zeolites : A Monte Carlo Simulation study" accepted, Journal of Nanoscience and Nanotechnology, 2011

127. A.Brandão, J.F.Monteiro, A.V.Kovalevsky, D.P.Fagg, V.V.Kharton, J.R.Frade, "Guidelines for improving resistance to CO2 of materials for solid state electrochemical systems" Solid State Ionics 192(1)(2011)16-20

128. I.Antunes, G.C.Mather, J.R.Frade, J.Gracio, D.P.Fagg, "The stability of Ba(Zr,Pr,Y)O3-d materials for potential application in electrochemical devices" J.Solid State Chem. 183(12)(2010)2826

129. A.D.Brandão, I.Antunes, J.R.Frade, J.Torre, V.V.Kharton, D.P.Fagg, "Enhanced low-temperature proton conduction in Sr0.02La 0.98NbO4-d by scheelite phase retention." Chem.Mater. 22(24)(2010)6673

130. D.P.Fagg, D.Pérez-Coll, P.Núñez, J.R.Frade, A.Yaremchenko, A.L.Shaula, V.V.Kharton, "Ceria based mixed conductors with tailored bulk and grain boundary electronic conductivity" Solid State Ionics, 180(11-13)(2009)896.

131. I.Antunes, A.Brandao, F.M.Figueiredo, J.R.Frade, J.Gracio, D.P.Fagg, "Mechanosynthesis of nanopowders of the proton-conducting electrolyte material Ba(Zr,Y)O3-d" J.Solid State Chem., 182(8)(2009)2149.

132. A.L.Horovistiz, M. V. Boguslavskii, J.C.C. Abrantes, A.V. Shlyakhtina, D.P.Fagg, L.G. Shcherbakova, J.R. Frade, "Effects of composition and frozen-in conditions on bulk and grain boundary conductivities of Yb2Ti2O7–based materials" Solid State Ionics, 180(11-13)(2009)774.

133. D.P.Fagg, S.Garcia-Martin, V.V.Kharton, J.R.Frade “Comparative study of minor additions of Mn or Co oxides on sintering and transport properties
     in Ce0.8Pr0.2O2-d” J. Electrochem. Soc., 156(3)(2009)47.

134. D.P.Fagg, S.Garcia-Martin, V.V.Kharton, J.R.Frade, “Transport properties of fluorite-type Ce0.8Pr0.2O2-d containing 2mol% and 5mol% additions of Co oxide sintering aid.” Chem.Mater. 21(2)(2009)381.

135. E.Gómez del Moral, D.P.Fagg, E.Chinarro, J.C.C.Abrantes,J.R.Jurado, G.C.Mather.
     “Impedance analysis of Sr-substituted CePO4 with mixed protonic and p-type electronic
     Conduction” Ceramics International, 35(4)(2009)1481

136. Susana Garcia-Martin, Duncan P. Fagg, and John T.S. Irvine, “Characterization of Diffuse Scattering in Yttria-Stabilized Zirconia by Electron Diffraction and High-Resolution Transmission Electron Microscopy” Chem.Mater. 20(18)(2008)5933.

137. A.L. Horovistiz, J.C.C. Abrantes, D.P. Fagg, J.R. Frade. "Effects of Yb:Ti ratio on transport properties of Yb2±xTi2±xO7±d" Solid State Ionics, 179(2008)1046.

138. D.P.Fagg, J.T.S.Irvine,M.Mogensen J.R.Frade. “Effects of firing schedule on solubility limits and transport properties of ZrO2-TiO2-Y2O3 fluorites”. J.Solid State Chem. 180(8)(2007)2371.

139. D.P.Fagg, A.L.Shaula, V.V.Kharton, J.R.Frade.“High Oxygen Permeability in Fluorite-type Ce0.8Pr0.2O2-d via the use of sintering aids”. J.Membrane Sci. 299(1-2)(2007)1

140. A.L.Horovistiz,D.P.Fagg, J.C.C.Abrantes , J.R.Frade.”Effects of Fe-additions on sintering and transport properties of Yb2Ti2-yFeyO7-d” J.Europ.Ceram.Soc. 27(13-15)(2007)4283.

141. D.P.Fagg, A.Shaula, I.P.Marazau, J.R.Frade, V.V.Kharton.”Oxygen Permeability, Thermal Expansion and Mixed Conductivity of Ce1-xGdxPr0.2O2-d, x = 0, 0.15, 0.2” J.Solid State Chem. 179(11) (2006) 3347.

142. D.P.Fagg, I.P.Marazau, J.R.Frade, V.V.Kharton, “The Defect Chemistry of Ce(Pr,Zr)O2-d;.” J.Solid State Chem. 179(5)(2006)1469.

143. J.C.C.Abrantes, A.Levchenko, A.V.Shlyakhtina, L.G.Shcherbakova, A.L.Horovistiz, D.P.Fagg, J.R.Frade, “Ionic and Electronic Conductivity of Yb2+xTi2-xO7-x/2 Materials.” Solid State Ionics. Accepted for Publication 2006.

144. D.Pérez-Coll, P.Núñez, J.C.C.Abrantes, D.P.Fagg, V.V.Kharton, J.R.Frade, “Effects of Firing Conditions and Addition of Co on Bulk and Grain Boundary Properties of CGO.” Solid State Ionics 176(2005)2799.

145. S.Garcia-Martin, M.A:Alario-Franco, D.P.Fagg, et al., “Evidence of three types of short range ordered fluorite structure in the (1-x)Y0.15Zr0.85O1.93-xY0.75Nb0.25O1.75 (0<= x <=1) system.” J.Mater.Chem. 15(19)(2005)1903.

146. D.P.Fagg, V.V.Kharton, A.Shaula, I.P.Marvozau, J.R.Frade, “Mixed Conductivity, Thermal Expansion and Oxygen Permeability of Ce(Pr,Zr)O2-d” Solid State Ionics 176(19-22)(2005)1723.

147. D.P.Fagg, V.V.Kharton, J.R.Frade, “Transport in CGO modified with sintering additives; effects on oxygen reduction kinetics.” J.Solid State Electrochemistry 8(9)(2004)618.

148. D.P.Fagg, V.V.Kharton, J.R.Frade, “Transport in CGO modified with sintering additives; effects on oxygen reduction kinetics.” J.Solid State Electrochemistry 8(9)(2004)618.

149. A. Ringuedé, D.P.Fagg, J.R. Frade, “Electrochemical behaviour and degradation of (Ni,M)/YSZ cermet electrodes (M=Co,Cu,Fe) for High Temperature Applications of Solid Electrolytes”, J.European Electrochemical Soc. 24 (6)(2004)1355.

150. D.P.Fagg, G.C.MAther, J.R.Frade, “Cu-Ce0.8Gd0.2O2-delta materials as SOFC electrolyte and anode”, Ionics. 9(3-4)(2003)214.

151. D.P.Fagg, J.T.S.Irvine, “The systems Zr(Nb, Ti)MO2-d;, M=Yb, Ca - Optimisation of mixed conductivity and comparison with results of other systems (M=Y and Gd).” J.Solid State Chem. 172(2)(2003)277.

152. D.P.Fagg, J.C.C.Abrantes, D.Pérez.Coll, P.Núñez, V.V:Kharton, J.R.Frade, “The effects of cobalt oxide sintering aid on electronic transport in Ce0.8Gd0.2O2-d; electrolyte.” Electrochem. Acta, 48(2003)1023.

153. G.C.Mather, F.M.Figueiredo, D.P.Fagg, T.Norby, J.R.Jurado, J.R.Frade, “Synthesis and characterisation of Ni-SrCe0.9Yb0.1O3-d;cermet anodes for protonic ceramic fuel cells.” Solid State Ionics. 158(3-4)(2003)333.

154. D.P.Fagg, V.V.Kharton, J.R.Frade, A.A.L.Labrincha, ‘Stability and mixed ionic-electronic conductivity of (Sr,La)(Ti,Fe)03-d; perovskites’ Solid State Ionics, 156(1-2)(2003)45.

155. D.P.Fagg, V.V.Kharton, J.R.Frade, “P-type electronic transport in Ce0.80Gd0.2O2-d: The effect of transition metal oxide sintering aids.” J.Electroceramics, 9(2002)199.

156. D.P.Fagg, J.C.Waerenborgh, V.V.Kharton, J.R.Frade, ‘Redox Behaviour and Transport Properties of La0.5-xSr0.5-xFe0.4Ti0.6O3-d (0 lessthan x lessthan 0.1) Validated by Mössbauer Spectroscopy. Solid State Ionics. 146(2002)87.

157. D.P. Fagg, V.V. Kharton, A.V. Kovalevsky, A.P. Viskup, E.N. Naumovich and J.R. Frade, ‘The stability and mixed conductivity in La and Fe doped SrTiO3 in the search for potential SOFC anode materials.’ J. Europ. Ceram. Soc. 21(10-11)(2001)1831.

158. G.C.Mather, D.P.Fagg, Armelle Ringuedé, J.R.Frade, ‘Combustion Synthesis of Alternative Cu-CGO Anodes for SOFCs, and Cofiring of Electrolyte-Anode Bilayers at Reduced Temperatures.’ Fuel Cells 1(3) (2001)1.

159. S.Garcia-Martin S, M.A.Alario-Franco, D.P.Fagg, et al., “Modulated fluorite-type structure of materials from the (1-x)Y0.5Zr0.5O1.75-xY0.75Nb0.25O1.75 (0 <= x <= 1) system.” Chem. Mater. 12(6)(2000)1729.

160. J.T.S.Irvine, A.J.Feighery, D.P.Fagg, S. García-Martin, ‘Structural Studies on the Optimisation of Fast Oxide Ion Transport.’ Solid State Ionics 136-137(2000)879.

161. A.J.Feighery, J.T.S.Irvine, and D.P.Fagg, ‘Phase Relations at 1500 degrees C in the ternary system ZrO2-Y2O3-TiO2.’ J.Solid State Chem. 4(2)(1999)273.

162. P.R.Slater, D.P.Fagg and J.T.S.Irvine, ‘Synthesis and Electrical Characterisation of Doped Perovskite Titanates as Potential Anode Materials for SOFC’s.’ J.Mater.Chem. 7(12)(1997)2495.

163. D.P.Fagg, J.T.S.Irvine, ‘The optimisation of mixed conduction in potential SOFC anode materials’s.’ Ionics 4(1-2)(1998)61-71.

164. A.Kaiser, A.J.Feighery, D.P.Fagg, J.T.S.Irvine, ‘Electrical charaterisation of highly titania doped YSZ’s.’ Ionics 4(3-4)(1998)215-219.

165. J.T.S.Irvine, D.P.Fagg, J.Labrincha and F.M.B.Marques, ‘Development of Novel Anodes for SOFC’s.’ Catal. Today 38(1997)467.

166. D.P.Fagg, I.R.Gibson, J.T.S.Irvine, ‘Oxide ion transport in highly defective cubic stabilised zirconias’s.’ Ionics 1(4)(1995)279-285.

167. J.T.S.Irvine, D.P.Fagg, and S.M.Fray, ‘Reduced Magnesium Titanate Electrodes for Solid Oxide Fuel Cells.’ Solid State Ionics 72(1994) 235.