NIMTE OpenIR  > 2018专题
Electrochemical Water Splitting by Pseudo-spinel, Disordered and Layered Lithium Nickel Oxides: Correlation between Structural Motifs and Catalytic Properties
Wu, Jian; Wang, Guofu; Du, Juan; Liu, J. Ping; Wang, Jianguo; Fan, Weibin
2018
发表期刊CHEMCATCHEM
卷号10期号:12页码:2551-2557
摘要In this work, three different structures of lithium nickel oxide (LNO) synthesized by simple methods as inexpensive and efficient electrocatalyst for OER were presented. The catalytic activities of LNO catalysts for OER were pseudo-spinel (PS-LiNiO2) > disordered (DO-LiNiO2) > layered (L-LiNiO2) lithium nickel oxide. Particularly, PS-LiNiO2 demonstrated much lower tafel slope of 62 mV dec(-1) with the highest durability whereas the layered LNO catalysts exhibited the higher tafel slope of 88 mV dec (-1), respectively. To elucidate the origin of high activities of LNO catalysts, three structures of LNO were studied by EXAFS measurements and DFT theoretical calculation. Compared to L-LiNiO2, PS-LiNiO2, including Ni4O4 cubane structural motifs, exhibited higher valent states and lower Ni d-band center to drive the catalytic reaction. Thus, our results demonstrated that the activities of LNO can be optimized by controlling the value states, chemical and local electronic structure of Ni via novel design approaches.
关键词Oxygen Evolution Reaction Oxidation Catalysis Metal Electrocatalysts Transition Reduction Stability Chemistry Lini2o4 Design
学科领域Chemistry
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/17383
专题2018专题
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GB/T 7714
Wu, Jian,Wang, Guofu,Du, Juan,et al. Electrochemical Water Splitting by Pseudo-spinel, Disordered and Layered Lithium Nickel Oxides: Correlation between Structural Motifs and Catalytic Properties[J]. CHEMCATCHEM,2018,10(12):2551-2557.
APA Wu, Jian,Wang, Guofu,Du, Juan,Liu, J. Ping,Wang, Jianguo,&Fan, Weibin.(2018).Electrochemical Water Splitting by Pseudo-spinel, Disordered and Layered Lithium Nickel Oxides: Correlation between Structural Motifs and Catalytic Properties.CHEMCATCHEM,10(12),2551-2557.
MLA Wu, Jian,et al."Electrochemical Water Splitting by Pseudo-spinel, Disordered and Layered Lithium Nickel Oxides: Correlation between Structural Motifs and Catalytic Properties".CHEMCATCHEM 10.12(2018):2551-2557.
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