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题名: A novel cathode architecture using Cu nanoneedle arrays as the cathode support for AAEMFC application
作者: Jia, Jia1, 2;  Yu, Hongmei1;  Gao, Xueqiang1, 2;  Chi, Jun1, 2;  Qin, Bowen1, 2;  Song, Wei1;  Shao, Zhigang1;  Yi, Baolian1
刊名: JOURNAL OF MATERIALS CHEMISTRY A
发表日期: 2017-07-28
DOI: 10.1039/c7ta02437a
卷: 5, 期:28, 页:14794-14800
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Energy & Fuels ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Materials Science
英文摘要: A novel cathode architecture using vertically aligned Cu nanoneedle arrays (NNAs) as an ordered support for alkaline anion-exchange membrane fuel cell (AAEMFC) application is developed. Cu NNAs are directly grown on a GDL via three steps of electrochemical reaction. After depositing a Pd layer on the surface of Cu by a pulse electrodeposition method to form Pd/CuNNAs, the cathode catalyst layer is formed. The AAEMFC prepared without alkaline ionomer in the cathode catalyst layer shows an enhanced performance with ultra-low Pd loading down to 47 mu g cm(-2), which is much higher than that of a conventional cathode electrode with the Pt loading of 100 mu g cm(-2). This is the first report where three-dimensional Cu NNAs are applied as the cathode support in an AAEMFC, which is able to deliver a higher power density without an alkaline ionomer than conventional MEAs.
关键词[WOS]: MEMBRANE FUEL-CELLS ;  HYDROGEN OXIDATION REACTION ;  OXYGEN REDUCTION ;  NANOTUBE ARRAYS ;  WATER-MOVEMENT ;  THIN-FILM ;  PERFORMANCE ;  ELECTRODE ;  IONOMER ;  ELECTROCATALYSTS
语种: 英语
WOS记录号: WOS:000405689000035
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152040
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, Fuel Cell Syst & Engn Grp, Dalian Inst Chem Phys, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China

Recommended Citation:
Jia, Jia,Yu, Hongmei,Gao, Xueqiang,et al. A novel cathode architecture using Cu nanoneedle arrays as the cathode support for AAEMFC application[J]. JOURNAL OF MATERIALS CHEMISTRY A,2017,5(28):14794-14800.
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