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题名: Vertically Aligned FeOOH/NiFe Layered Double Hydroxides Electrode for Highly Efficient Oxygen Evolution Reaction
作者: Chi, Jun1, 2;  Yu, Hongmei1;  Qn, Bowen1, 2;  Fu, Li1, 2;  Jia, Jia1, 2;  Yi, Baolian1;  Shao, Zhigang1
关键词: layered double hydroxides ;  binder-free ;  oxygen evolution reaction ;  alkaline polymer electrolyte water electrolyzer ;  water splitting
刊名: ACS APPLIED MATERIALS & INTERFACES
发表日期: 2017-01-11
DOI: 10.1021/acsami.6b13360
卷: 9, 期:1, 页:464-471
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary
研究领域[WOS]: Science & Technology - Other Topics ;  Materials Science
英文摘要: Employing a low-cost and highly efficient electrocatalyst to replace Ir-based catalysts for oxygen evolution reaction (OER) has drawn increasing interest in renewable energy storage. In this work, a vertically aligned FeOOH/NiFe layered double hydroxides (LDHs) nanosheets supported on Ni foam (VA FeOOH/NiFe LDHs-NF) is prepared as a highly effective OER electrode in alkaline electrolyte. The VA FeOOH/NiFe LDHs-NF represents nanosheet arrays on nickel foam with some interspace among them. The vertically aligned and interlayer-structured architecture is binder-free and contributes to facile strain relaxation, relieving the exfoliation of the catalysts layer caused by the oxygen evolution process. The as-prepared electrode shows current densities of 10 and 500 mA cm(-2) at overpotentials of 208 and 288 mV, and good stability in a half-cell electrolyzer. Besides, the alkaline polymer electrolyte water electrolyzer (APE:WE) with this electrode showed 1.71 V at 200 mA cm(-2), and 2.041 V at 500 mA cm(-2), exhibiting the corresponding energy efficiency of 86.0% and 72. lower heating value of hydrogen), which is better than the typical commercial alkaline water electrolyzer.
关键词[WOS]: HIGH-PERFORMANCE SUPERCAPACITORS ;  NICKEL COBALTITE NANOSTRUCTURES ;  ALKALINE WATER ELECTROLYSIS ;  HYDROGEN-PRODUCTION ;  NI FOAM ;  NANOSHEET ARRAYS ;  BINDER-FREE ;  OXIDATION ;  FE ;  ELECTROCATALYSTS
语种: 英语
WOS记录号: WOS:000392037400056
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/151873
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, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Chi, Jun,Yu, Hongmei,Qn, Bowen,et al. Vertically Aligned FeOOH/NiFe Layered Double Hydroxides Electrode for Highly Efficient Oxygen Evolution Reaction[J]. ACS APPLIED MATERIALS & INTERFACES,2017,9(1):464-471.
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