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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
KeywordAlkaline Anion-exchange Membrane Fuel Cells Membrane Electrode Assembly Ordered Catalyst Layer Nanostructure Thin Film Arrays
Source PublicationELECTROCHIMICA ACTA
2016-12-01
DOI10.1016/j.electacta.2016.10.092
Volume220Pages:67-74
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectElectrochemistry
WOS KeywordMEMBRANE FUEL-CELLS ; ALKALINE POLYMER ELECTROLYTE ; HYDROGEN OXIDATION REACTION ; ANION-EXCHANGE MEMBRANE ; PERFORMANCE ; CATALYSTS ; IONOMER ; ELECTROCATALYSTS
AbstractA 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.
Language英语
WOS IDWOS:000389090800008
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/150347
Collection中国科学院大连化学物理研究所
Affiliation1.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
GB/T 7714
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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