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题名: A Novel Cathode Architecture Using Ordered Pt Nanostructure Thin Film for AAEMFC Application
作者: Jia, Jia1, 2;  Yu, Hongmei1;  Gao, Xueqiang1, 2;  Fu, Li1, 2;  Chi, Jun1, 2;  Song, Wei1;  Yi, Baolian1;  Shao, Zhigang1
关键词: alkaline anion-exchange membrane fuel cells ;  membrane electrode assembly ;  ordered catalyst layer ;  nanostructure thin film arrays
刊名: ELECTROCHIMICA ACTA
发表日期: 2016-12-01
DOI: 10.1016/j.electacta.2016.10.092
卷: 220, 页:67-74
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
英文摘要: A novel cathode architecture using vertically aligned Co-OH-CO3 nanoneedle arrays as ordered catalyst support for AAEMFC application is developed. Co-OH-CO3 nanoneedle arrays are directly grown on a stainless steel sheet via hydrothermal reaction. A Pt nanosturcture thin film is prepared on the surface of Co-OH-CO3 by sputter deposition to form Pt/Co-OH-CO3 nanoneedle arrays and the thickness of the Pt nanostructure thin film is only several nanometers. After transferring the Pt/Co-OH-CO3 nanoneedle arrays on an alkaline anion exchange membrane by hot pressing and acid washing, the novel cathode catalyst layer is formed, with the thickness of several hundred nanometers. Without alkaline ionomer in the cathode catalyst layer and the AAEMFC with the prepared MEA shows a peak power density of 113 mW cm(-2) with ultra-low Pt loading down to 20 mu g cm(-2). This is the first time that order-structured electrode architecture is applied in the AAEMFC, which can deliver higher power density without alkaline ionomer than the conventional MEA with the same Pt loading. (C) 2016 Elsevier Ltd. All rights reserved.
关键词[WOS]: MEMBRANE FUEL-CELLS ;  ALKALINE POLYMER ELECTROLYTE ;  HYDROGEN OXIDATION REACTION ;  ANION-EXCHANGE MEMBRANE ;  PERFORMANCE ;  CATALYSTS ;  IONOMER ;  ELECTROCATALYSTS
语种: 英语
WOS记录号: WOS:000389090800008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/150347
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell Syst & Engn Lab, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Jia, Jia,Yu, Hongmei,Gao, Xueqiang,et al. A Novel Cathode Architecture Using Ordered Pt Nanostructure Thin Film for AAEMFC Application[J]. ELECTROCHIMICA ACTA,2016,220:67-74.
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