Surface and Subsurface Reactions of Lithium Transition Metal Oxide Cathode Materials: An Overview of the Fundamental Origins and Remedying Approaches

Xiao Biwei; Sun Xueliang

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Surface and Subsurface Reactions of Lithium Transition Metal Oxide Cathode Materials: An Overview of the Fundamental Origins and Remedying Approaches

机译：Surface and Subsurface Reactions of Lithium Transition Metal Oxide Cathode Materials: An Overview of the Fundamental Origins and Remedying Approaches

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摘要

Lithium-ion batteries (LIBs) have become one of the most prevailing techniques for rechargeable batteries. Lithium transition metal oxides are prevalent cathode materials currently, but they face great challenges due to unsatisfactory energy density, chemical/electrochemical instability, and elemental scarcity concerns. Surface/subsurface is the interface where lithium ions cross between the electrolyte and the cathode materials. Its properties and complicated nature are unambiguously regarded as a crucial controlling factor for the overall performance. Tremendous efforts have been made in the exploration of surface modification methods with remarkable progress hitherto. The purpose of this work is to review these surface behaviors in order to understand their fundamental origins and provide a summary of various surface modification methods that can be used to address impeding issues. Finally, a rational method of surface modification is proposed for use in cathode materials.

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来源
《Advanced energy materials》 |2018年第29期|1802057.1-1802057.27|共27页
作者
Xiao Biwei; Sun Xueliang;
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作者单位

Univ Western Ontario, Dept Mech & Mat Engn, London, ON N6A 5B9, Canada;

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正文语种英语
中图分类能源与动力工程;
关键词
cathode materials; lithium-ion batteries; surface modification;

Surface and Subsurface Reactions of Lithium Transition Metal Oxide Cathode Materials: An Overview of the Fundamental Origins and Remedying Approaches

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