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Iron(Fe,Ni,Co)-based transition metal compounds for lithium-sulfur batteries:Mechanism,progress and prospects

Journal of Energy Chemistry 2022年第10期31卷 513-532,I0013页

作者： Junhao Li Zhangshi Xiong Yujie Wu Hao Li Xinyan Liu Hongjie Peng Yuying Zheng Qiang Zhang Quanbing Liu Guangzhou Key Laboratory of Clean Transportation Energy Chemistry Guangdong Provincial Key Laboratory of Plant Resources BiorefinerySchool of Chemical Engineering and Light IndustryGuangdong University of TechnologyGuangzhou 510006GuangdongChina School of Chemistry and Materials Engineering Huizhou UniversityHuizhou 516007GuangdongChina University of Electronic Science and Technology of China Chengdu 611731SichuanChina Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology Department of Chemical EngineeringTsinghua UniversityBeijing 100084China

Lithium-sulfur batteries(LSBs)have a high theoretical capacity,which is considered as one of the most promising high-energy-density secondary batteries due to the double electrons reaction of ***,the shuttle effects of lithium polysulfides(Li PSs)and sluggish redox kinetics lead to their materials capacity loss and cycle stability deterioration,which restrains LSBs *** compounds as additions can improve the electrochemical performance of the Li-S system,through the trap of Li PSs and accelerate the conversion of the soluble Li *** of them,the iron group elements(Fe,Ni,Co)-based compounds are the promising materials for the LSBs,due to their unique outer electronic structure and its tunable properties,low cost,abundant in the earth,environmental benignity,controllable and scalable prepared,and so *** this review,we have made a summary for iron-based compounds to capture Li PSs according to lithium bond,sulfur bond and magnetic *** type of iron-based compound including oxides,sulfides,nitrides,phosphides,carbides,and so on,and we have investigated the electrocatalytic mechanism of these ***,some improvement strategies are proposed,such as the engineering of the special micro/nanostructure,defect concentrations,band structures,and *** hope to shed an in-depth light on the rationally design and fabrication of robust,commercial and stable materials for high-performance LSBs.

关键词： Li-S batteries Iron-based compounds Shuttle effect capture lipss Electrocatalysis Rational design

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