Borohydride Synthesis of the PtFeCo/Gr Electrocatalysts for Oxygen Reduction Reaction in Proton Exchange Membrane Fuel Cells
- سال انتشار: 1395
- محل انتشار: دومین کنفرانس بین المللی یافته های نوین پژوهشی در شیمی و مهندسی شیمی
- کد COI اختصاصی: CHCONF02_321
- زبان مقاله: انگلیسی
- تعداد مشاهده: 1105
نویسندگان
Department of Chemistry, Amirkabir University of Technology, Tehran, Iran
Department of Chemistry, Amirkabir University of Technology, Tehran, Iran- Fuel and Solar cell Lab, Renewable Energy Research Center, Amirkabir University of Technology, Tehran, Iran
Department of Chemical Technologies, Iranian Research Organization for Science and Technology (IROST), Tehran, Iran
Department of Chemistry, Amirkabir University of Technology, Tehran, Iran
چکیده
Insufficient catalytic activity and durability are the most challenging issues in the commercialization of proton exchange membrane fuel cells. In an effort to address these barriers, PtFeCo/Gr electrocatalyst were prepared via the reduction of precursors in the presence of glycerol as stabilizer. The electrocatalytic performances of the synthesized PtFeCo/Gr alloy electrocatalysts were compared with that of PtFeCo/Gr electrocatalyst which prepared in the absence of glycerol. Physical property studies (XRD) and electrochemical analyses with catalyst layers immobilized on glassy carbon electrodes and electrochemical behavior of the synthesized electrocatalyst. Finally, a cell performance investigation, using the synthesized electrocatalyst was carried out in a single PEMFC setup.Among these electroctalysts, the PtFeCo/G–A catalyst exhibits the highest activity, a better behavior was obtained for the PtFeCo/G–A and the maximum power density produced from proton exchange membrane fuel cell with PtFeCo/G–A electrocatalyst which was prepared in the presence of glycerol as stabilizer was 9% higher than PtFeCo/G–B which was prepared in the absence of glycerol.کلیدواژه ها
Electrocatalyst; Graphene; PtFeCo; Proton exchange membrane fuel cell; Oxygen reduction reaction; Gas diffusion electrodeمقالات مرتبط جدید
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