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In-situ construction of stable cathode/Li interfaces simultaneously via different electron density azo compounds for solid-state lithium metal batteries

文献类型：期刊论文

作者Li, Jin1,2; Huo, Feng1; Chen, Tianhua3; Yan, Hanwen1; Yang, Yaxi1; Zhang, Suojiang1; Chen, Shimou1,4
刊名ENERGY STORAGE MATERIALS
出版日期2021-09-01
卷号40页码:394-401
关键词Lithium metal battery Solid-state electrolyte Azo compounds Interface Different electron density
ISSN号2405-8297
DOI10.1016/j.ensm.2021.05.035
英文摘要The poor compatibility of the electrodes-electrolyte interfaces of rechargeable lithium metal batteries (LMBs) with solid-state electrolytes (SSEs) limit their wide applications. Herein, azo compounds as additive are firstly applied in SSEs and we propose a mechanism of regulating the cathode/anode interfaces by azo compounds with different electron groups in SSEs. Through in-situ constructing, the free radicals formed by electron-withdrawing/electron-donating group can be grafted onto different electrodes on demand, thereby forming stable interfaces at both cathode and anode sides, which effectively improves SSEs compatibility in LMBs. Consequently, superior cycling stability is demonstrated by Li/LiFePO4 (LFP), Li/LiNi0.5Co0.2Mn0.3O2 (NCM523) and Li-S full batteries. The reaction mechanism is confirmed by density functional theory calculations, various electrochemical characterizations, and applying designed azo compounds. This new and universal strategy may pave a way to resolve the bottle-neck interfacial issues of lithium metal batteries by organic compounds.
WOS关键词POLYMER ELECTROLYTE ; HIGH-PERFORMANCE ; LIQUID ; PROGRESS ; ORIGIN ; IONS
资助项目National Natural Science Foundation of China[51922099] ; National Natural Science Foundation of China[21890762] ; Innovation Academy for Lightduty Gas Turbine, Chinese Academy of Sciences[CXYJJ20MS05] ; Natural Science Foundation of Hebei Province[E2020103052] ; Fundamental Research Funds for the Central Universities
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science
语种英语
WOS记录号WOS:000667478900002
出版者ELSEVIER
资助机构National Natural Science Foundation of China ; Innovation Academy for Lightduty Gas Turbine, Chinese Academy of Sciences ; Natural Science Foundation of Hebei Province ; Fundamental Research Funds for the Central Universities
源URL[http://ir.ipe.ac.cn/handle/122111/49277]  
专题中国科学院过程工程研究所
通讯作者Zhang, Suojiang; Chen, Shimou
作者单位1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing Key Lab Ion Liquids Clean Proc, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Univ Adelaide, Sch Chem Engn & Adv Mat, Adelaide, SA 5005, Australia
4.Beijing Univ Chem Technol, Coll Mat Sci & Engn, Beijing Adv Innovat Ctr Soft Matter Sci & Engn, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Li, Jin,Huo, Feng,Chen, Tianhua,et al. In-situ construction of stable cathode/Li interfaces simultaneously via different electron density azo compounds for solid-state lithium metal batteries[J]. ENERGY STORAGE MATERIALS,2021,40:394-401.
APA Li, Jin.,Huo, Feng.,Chen, Tianhua.,Yan, Hanwen.,Yang, Yaxi.,...&Chen, Shimou.(2021).In-situ construction of stable cathode/Li interfaces simultaneously via different electron density azo compounds for solid-state lithium metal batteries.ENERGY STORAGE MATERIALS,40,394-401.
MLA Li, Jin,et al."In-situ construction of stable cathode/Li interfaces simultaneously via different electron density azo compounds for solid-state lithium metal batteries".ENERGY STORAGE MATERIALS 40(2021):394-401.

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来源：过程工程研究所

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