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Layered Fe-Substituted LiNiO2 Electrocatalysts for High-Efficiency Oxygen Evolution Reaction
Zhu, Kaiyue1,2; Wu, Tao3; Zhu, Yue1,2; Li, Xuning2,4,5; Li, Mingrun1; Lu, Ruifeng3; Wang, Junhu4,5; Zhu, Xuefeng1; Yang, Weishen1
刊名ACS ENERGY LETTERS
2017-07-01
DOI10.1021/acsenergylett.7b00434
2期:7页:1654-1660
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Electrochemistry ; Energy & Fuels ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Electrochemistry ; Energy & Fuels ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]RAY-ABSORPTION SPECTROSCOPY ; ELECTROCHEMICAL-BEHAVIOR ; WATER OXIDATION ; ELECTRONIC-STRUCTURE ; LITHIUM NICKELATE ; CATHODE MATERIAL ; AIR BATTERIES ; IRON ; OXIDE ; HYDROXIDE
英文摘要LiNi1-xFexO2 (0 <= x <= 0.3) and LiyNi0.8Fe0.2O2 (0.8 <= y <= 1.2) catalysts for the oxygen evolution reaction (OER) were systematically investigated to discover the influence of the composition and layered structure on electrochemical activity. LiNi0.8Fe0.2O2 exhibits OER activity that is better than that of LiNiO2 and other Fe substituted LiNiO2 catalysts, while Li1.2Ni0.8Fe0.2O2 shows OER activity that is much higher than that of LiNi0.8Fe0.2O2 and Li0.8Ni0.8Fe0.2O2 . The best OER activity is achieved on Li1.2Ni0.8Fe0.2O2 with a Tafel slope of 59 mV dec(-1) and a current density of 10 mA cm(-2) at an overpotential of 302 mV, better than that for the benchmark IrO2 catalyst. Combined with the density functional theory calculations, the enhanced OER activity is mainly attributed to the unique electronic structure derived from the interaction of Li, Ni, and Fe in the materials and the layered structure which plays an important role in stabilizing the high valence states of Ni and Fe during the OER.
语种英语
WOS记录号WOS:000405979900024
引用统计
被引频次:6[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/321008/152045
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, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Nanjing Univ Sci & Technol, Dept Appl Phys, Nanjing 210094, Jiangsu, Peoples R China
4.Chinese Acad Sci, Mossbauer Effect Data Ctr, Dalian 116023, Peoples R China
5.Chinese Acad Sci, Lab Catalysts & New Mat Aerosp, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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GB/T 7714
Zhu, Kaiyue,Wu, Tao,Zhu, Yue,et al. Layered Fe-Substituted LiNiO2 Electrocatalysts for High-Efficiency Oxygen Evolution Reaction[J]. ACS ENERGY LETTERS,2017,2(7):1654-1660.
APA Zhu, Kaiyue.,Wu, Tao.,Zhu, Yue.,Li, Xuning.,Li, Mingrun.,...&Yang, Weishen.(2017).Layered Fe-Substituted LiNiO2 Electrocatalysts for High-Efficiency Oxygen Evolution Reaction.ACS ENERGY LETTERS,2(7),1654-1660.
MLA Zhu, Kaiyue,et al."Layered Fe-Substituted LiNiO2 Electrocatalysts for High-Efficiency Oxygen Evolution Reaction".ACS ENERGY LETTERS 2.7(2017):1654-1660.
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