Properties of Cathode Non-Platinum Catalysts for Oxyhydrogen Fuel Cell with Proton- and Anion-conducting Electrolytes

Pyrolysis of nitrogen-containing complexes of iron and cobalt on the surface of disperse carbon materials was used for synthesis of cathode catalysts for oxyhydrogen fuel cells (FC) with proton-conducting (acidic) and anion-conducting (alkaline) electrolytes. The catalysts were characterized by XPS and tested using a thin-film disc electrode and in oxyhydrogen FC under model conditions. Properties of the CoFe/C system prepared by pyrolysis of macroheterocyclic compounds of iron and cobalt on carbon materials (soot HS-72 and multilayer nanotubes (CNT)) were described for the first time. From XPS data, the surface of the catalytic CoFe/C systems is rich in carbon (95,5 at.%), contains nitrogen

(2 at.%), oxygen (2 at.%) and metals (0,5 at.%). The data obtained by electrochemical measurements under model conditions revealed that the catalytic systems CoFe/CNT are close to the commercial platinum catalyst 60%Pt/C (HiSPEC9100) in their activity to oxygen reduction in an alkali medium (0,5 M KOH). Half-wave potentials are 0,85 and 0,88 V for catalysts CoFe/CNT and 60%Pt/C (HiSPEC9100), respectively. The maximal specific capacity of the oxyhydrogen FC with an anion-conducting electrolyte is 210 mW/cm2 (a 60%Pt/C (HiSPEC9100) based cathode) and 180 mW/cm2 (CoFe/CNT based cathode). In its characteristics, MEA with the non-platinum cathode compete well with the best analogues described in literature. The results obtained demonstrated the necessity of the further studies on scaling-up the technology for synthesis of the developed non-platinum cathode catalysts and on optimization of the MEA FC architecture based thereon.

1. The fuel cell Industry Review 2013. URL: http://www.fuelcelltoday.com/media/1889744/fct_review_2013.pdf (дата обращения: 29.04.2015)

2. Fernandes A.C., Ticianelli E.A. // J. Power Sources, 2009, vol. 193, no. 2, pp. 547-554.

3. Peighambardoust S.J., Rowshanzamir S., Amjadi M. // Int. J. Hydrogen energy, 2010, vol. 35, no. 17, pp. 9349-9384.

4. Nasef M.M., Aly A.A. // Desalination, 2012, vol. 287, pp. 238-246.

5. Merle G., Wessling M., Nijmeijer K. // J. Membr. Sci., 2011, vol. 377, no. 1-2, pp. 1-35.

6. Fukuta K. Electrolyte Materials for AMFCs and AMFC Perfomance. Tokuama Corp. May 8th 2011. URL: http://www1.eere.energy.gov/hydrogenandfuelcells/pdfs/amfc_050811_fukuta.pdf (дата обращения: 29.04.2015)

7. Varcoe J.R., Slade R.C.T., Wright G.L., Chen Y. // J. Phys. Chem., B, 2006, vol. 110, no. 42, pp. 21041-21049.

8. Lu S., Pan J., Huang, A., Zhuang L., Lu J. // PNAS, 2008, vol.105, no. 52, pp. 20611-20614.

9. Sheng W., Bivens A.P., Myint M., Zhuang Z., Chen J.G., Yan Y. // 224th ECS Meet, 2013, Abs.# 1367.

10. Hu Q., Li G., Pan J., Tan L., Lu J., Zhuang L. // Int. J. Hydrogen energy, 2013, vol. 38, no. 36, pp. 16264-16268.

11. Ng J.W.D., Gorlin Y., Nordlund D., Jaramillo T.F. // J. Electrochem. Soc., 2014, vol. 161, no. 7, pp. D3105-3112.

12. Тарасевич М.Р., Корчагин О.В. // Электрохимия. 2013. Т. 49. № 7. С. 676—695.

13. Тарасевич М.Р., Мазин П.В., Капустина Н.А. // Электрохимия. 2012. Т. 48. № 11. С. 1222—1232.

14. Тарасевич М.Р., Мазин П.В., Капустина Н.А. // Электрохимия. 2011. Т. 47. № 8. С. 986—996.

15. Богдановская В.А., Тарасевич М.Р., Лозовая О.В. // Электрохимия. 2011. Т. 47. № 7. С. 902—917.

16. Богдановская В.А., Бекетаева Л.А., Рыбалка К.В., Ефремов, Б.Н., Загудаева Н.М., Сакашита М., Иидзима Т., Исмагилов З.Р. // Электрохимия. 2008. Т. 44. № 3. С. 316—325.

17. Yang Z., Nie, H., Chen X., Chen, X., Huang S. // J. Power Sources, 2013, vol. 236, pp. 238-249.

18. Procedures For Performing In-Plane Membrane Conductivity Testing, 2008. URL: http://energy.gov/sites/prod/files/2014/03/f10/htmwg_may09_conductivity_testing.pdf (дата обращения: 14.08.2015)

19. Wang H., Turner J.A. // J. Power Sources, 2008, vol. 183, no. 2, pp. 576-580.

20. Grew K.N., Ren X., Chu D. // Electrochem. and Solid-State Lett., 2011, vol.14, no.12, pp. B127-B131.

21. Давыдова Е.С., Тарасевич М.Р. // Физикохимия поверхности и защита материалов. 2015. Т. 51. № 2. С. 184—192.

22. Finšgar M, Fassbender S, Hirth S, Milošev I. // Mater. Chem. Phys., 2009, vol. 116, no. 1, pp. 198-206.

23. Плесков Ю.В., Филиновский В.Ю. Вращающийся дисковый электрод. М.: Наука, 1972. 345 с.

24. Цивадзе А.Ю., Тарасевич М.Р., Кузов А.В., Кузнецова Л.Н., Лозовая О.В., Давыдова Е.С. // Доклады Академии наук. 2012. Т. 442. № 6. С. 776—779.

25. Тарасевич М.Р., Корчагин О.В. // Электрохимия. 2014. Т. 50. № 8. С. 821—834.

26. Wu J., Zhang D., Wang Y., Wan Y., Hou B. // J. Power Sources, vol. 198, pp. 122-126.

27. Gunasekara I., Lee M., Abbott D., Mukerjeez S. // J. Electrochem. Lett., 2012, vol.1, no. 2, pp. F16-19.