中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
A cost-effective nanoporous ultrathin film electrode based on nanoporous gold/IrO2 composite for proton exchange membrane water electrolysis

文献类型:期刊论文

作者Zhang, Hongjie1,2; Yi, Baolian1; Zeng, Yachao1,2; Guo, Xiaoqian1,2; Shao, Zhigang1; Yu, Hongmei1; Song, Wei1,2; Wang, Zhiqiang1,2
刊名JOURNAL OF POWER SOURCES
出版日期2017-02-28
卷号342页码:947-955
关键词Proton Exchange Membrane Water Electrolysis Nanoporous Gold Nanoporous Ultrathin Film Electrode Membrane Electrode Assembly Ultralow Iridium Loading
ISSN号0378-7753
DOI10.1016/j.jpowsour.2017.01.021
文献子类Article
英文摘要A cost-effective nanoporous ultrathin film (NPUF) electrode based on nanoporous gold (NPG)/IrO2 composite has been constructed for proton exchange membrane (PEM) water electrolysis. The electrode was fabricated by integrating IrO2 nanoparticles into NPG through a facile dealloying and thermal decomposition method. The NPUF electrode is featured in its 3D interconnected nanoporosity and ultrathin thickness. The nanoporous ultrathin architecture is binder-free and beneficial for improving electrochemical active surface area, enhancing mass transport and facilitating releasing of oxygen produced during water electrolysis. Serving as anode, a single cell performance of 1.728 V (@ 2 A cm(-2)) has been achieved by NPUF electrode with a loading of IrO2 and Au at 86.43 and 100.0 mu g cm(-2) respectively, the electrolysis voltage is 58 mV lower than that.of conventional electrode with an Ir loading an order of magnitude higher. The electrolysis voltage kept relatively constant up to 300 h (@250 mA cm(-2)) during the course of durability test, manifesting that NPUF electrode is promising for gas evolution. (C) 2017 Elsevier B.V. All rights reserved.
WOS关键词CATALYST-COATED MEMBRANE ; SOLID POLYMER ELECTROLYTE ; OXYGEN EVOLUTION CATALYSTS ; FUEL-CELLS ; OXIDE ELECTROCATALYSTS ; HIGH-PERFORMANCE ; IMPEDANCE SPECTROSCOPY ; SURFACE-COMPOSITION ; GOLD ; CONDUCTIVITY
WOS研究方向Chemistry ; Electrochemistry ; Energy & Fuels ; Materials Science
语种英语
WOS记录号WOS:000396186300108
出版者ELSEVIER SCIENCE BV
源URL[http://cas-ir.dicp.ac.cn/handle/321008/169334]  
专题大连化学物理研究所_中国科学院大连化学物理研究所
通讯作者Shao, Zhigang; Yu, Hongmei
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell Syst & Engn Lab, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Hongjie,Yi, Baolian,Zeng, Yachao,et al. A cost-effective nanoporous ultrathin film electrode based on nanoporous gold/IrO2 composite for proton exchange membrane water electrolysis[J]. JOURNAL OF POWER SOURCES,2017,342:947-955.
APA Zhang, Hongjie.,Yi, Baolian.,Zeng, Yachao.,Guo, Xiaoqian.,Shao, Zhigang.,...&Wang, Zhiqiang.(2017).A cost-effective nanoporous ultrathin film electrode based on nanoporous gold/IrO2 composite for proton exchange membrane water electrolysis.JOURNAL OF POWER SOURCES,342,947-955.
MLA Zhang, Hongjie,et al."A cost-effective nanoporous ultrathin film electrode based on nanoporous gold/IrO2 composite for proton exchange membrane water electrolysis".JOURNAL OF POWER SOURCES 342(2017):947-955.

入库方式: OAI收割

来源:大连化学物理研究所

浏览0
下载0
收藏0
其他版本

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。