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Cobalt based non-precious electrocatalysts for oxygen reduction reaction in proton exchange membrane fuel cells
Ma, Yuanwei1,2; Zhang, Huamin1; Zhong, Hexiang1; Xu, Ting1,2; Jin, Hong1,2; Tang, Yongfu1,2; Xu, Zhuang1,2; Zhang HM(张华民)
关键词Proton Exchange Membrane Fuel Cells Non Precious Metal Catalyst Electrocatalyst Oxygen Reduction Reaction Nanocomposite
刊名ELECTROCHIMICA ACTA
2010-11-30
DOI10.1016/j.electacta.2010.03.087
55期:27页:7945-7950
收录类别SCI ; ISTP
文章类型Article
部门归属3
项目归属303
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Electrochemistry
研究领域[WOS]Electrochemistry
关键词[WOS]FE-BASED CATALYSTS ; CO-BASED CATALYSTS ; O-2 REDUCTION ; CARBON-BLACK ; ELECTROREDUCTION ; PYROLYSIS ; ELECTRODE ; NANOPARTICLES ; POLYPYRROLE ; TEMPERATURE
英文摘要Cobalt based non-precious metal catalysis were synthesized using chelation of cobalt (II) by imidazole followed by heat-treatment process and investigated as a promising alternative of platinum (Pt)-based electrocatalysts in proton exchange membrane fuel cells (PEMFCs) Transmission electron microscopy (TEM) X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) measurements were used to characterize the synthesized CoN(x)/C catalysts The activities of the catalysts towards oxygen reduction reaction (ORR) were investigated by electrochemical measurements and single cell tests respectively Optimization of the heat-treatment temperature was also explored The results indicate that the as-prepared catalyst presents a promising electrochemical activity for the ORR with an approximate four-electron process The maximum power density obtained in a H(2)/O(2) PEMFC is as high as 200 mWcm(-2) with CoN(x)/C loading of 20 mg cm(-2) (C) 2010 Elsevier Ltd All rights reserved
语种英语
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WOS记录号WOS:000284434700024
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被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/103521
专题中国科学院大连化学物理研究所
通讯作者Zhang HM(张华民)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, PEMFC Key Mat & Technol Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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Ma, Yuanwei,Zhang, Huamin,Zhong, Hexiang,et al. Cobalt based non-precious electrocatalysts for oxygen reduction reaction in proton exchange membrane fuel cells[J]. ELECTROCHIMICA ACTA,2010,55(27):7945-7950.
APA Ma, Yuanwei.,Zhang, Huamin.,Zhong, Hexiang.,Xu, Ting.,Jin, Hong.,...&张华民.(2010).Cobalt based non-precious electrocatalysts for oxygen reduction reaction in proton exchange membrane fuel cells.ELECTROCHIMICA ACTA,55(27),7945-7950.
MLA Ma, Yuanwei,et al."Cobalt based non-precious electrocatalysts for oxygen reduction reaction in proton exchange membrane fuel cells".ELECTROCHIMICA ACTA 55.27(2010):7945-7950.
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