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A Novel Cathode Architecture Using Ordered Pt Nanostructure Thin Film for AAEMFC Application
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
2016-12-01
DOI10.1016/j.electacta.2016.10.092
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
关键词[WOS]MEMBRANE FUEL-CELLS ; ALKALINE POLYMER ELECTROLYTE ; HYDROGEN OXIDATION REACTION ; ANION-EXCHANGE MEMBRANE ; PERFORMANCE ; CATALYSTS ; IONOMER ; ELECTROCATALYSTS
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.
语种英语
WOS记录号WOS:000389090800008
引用统计
被引频次:4[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/321008/150347
专题中国科学院大连化学物理研究所
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
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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.
APA Jia, Jia.,Yu, Hongmei.,Gao, Xueqiang.,Fu, Li.,Chi, Jun.,...&Shao, Zhigang.(2016).A Novel Cathode Architecture Using Ordered Pt Nanostructure Thin Film for AAEMFC Application.ELECTROCHIMICA ACTA,220,67-74.
MLA Jia, Jia,et al."A Novel Cathode Architecture Using Ordered Pt Nanostructure Thin Film for AAEMFC Application".ELECTROCHIMICA ACTA 220(2016):67-74.
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