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Double Ionic-Electronic Transfer Interface Layers for All-Solid-State Lithium Batteries
Zheng, Jingang1; Sun, Chengguo1,2,3; Wang, Zhenxing2; Liu, Shaojun1; An, Baigang1; Sun, Zhenhua2; Li, Feng2
Corresponding AuthorSun, Chengguo(sunyangguo2004@163.com) ; Li, Feng(fli@imr.ac.cn)
2021-07-13
Source PublicationANGEWANDTE CHEMIE-INTERNATIONAL EDITION
ISSN1433-7851
Pages7
AbstractLarge-scale implementation of all-solid-state lithium batteries is impeded by the physical limitations of the interface between the electrode and solid electrolyte; specifically, high resistance and poor stability, as well as poor compatibility with Li+ migration. We report double ionic-electronic transfer interface layers grown at electrode-electrolyte interfaces by in situ polymerization of 2,2 '-bithiophene in polyethylene oxide (PEO) electrolyte. For all-solid-state LiFePO4 parallel to PT-PEO-PT parallel to Li cells, the formation of a conductive polythiophene (PT) layer at the cathode-electrolyte interface resulted in an at least sevenfold decrease in interface resistance, and realized a capacity retention of about 94 % after 1000 cycles along with a lower polarization voltage under a rate of 2 C. The mixed ionic-electronic conductive layers imparted superior interface stability and contact while keeping good compatibility with the Li anode.
Keywordlithium-metal batteries mixed ion-electron interface layers polymer electrolytes solid electrolyte interphase solid-state batteries
Funding OrganizationNational Natural Science Foundation of China ; Technology Liaoning Project Grants ; Talent Project of Revitalizing LiaoNing
DOI10.1002/anie.202104183
Indexed BySCI
Languageen
Funding ProjectNational Natural Science Foundation of China[11972178] ; National Natural Science Foundation of China[51872131] ; National Natural Science Foundation of China[51972156] ; Technology Liaoning Project Grants[2019LNZD01] ; Technology Liaoning Project Grants[2020LNQN17] ; Technology Liaoning Project Grants[2019QN07] ; Talent Project of Revitalizing LiaoNing[XLYC1807114]
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000672941100001
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/160144
Collection中国科学院金属研究所
Corresponding AuthorSun, Chengguo; Li, Feng
Affiliation1.Univ Sci & Technol Liaoning, Sch Chem Engn, Anshan 114051, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
3.Nanjing Univ Sci & Technol, Sch Chem Engn, Nanjing 210094, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Jingang,Sun, Chengguo,Wang, Zhenxing,et al. Double Ionic-Electronic Transfer Interface Layers for All-Solid-State Lithium Batteries[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2021:7.
APA Zheng, Jingang.,Sun, Chengguo.,Wang, Zhenxing.,Liu, Shaojun.,An, Baigang.,...&Li, Feng.(2021).Double Ionic-Electronic Transfer Interface Layers for All-Solid-State Lithium Batteries.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,7.
MLA Zheng, Jingang,et al."Double Ionic-Electronic Transfer Interface Layers for All-Solid-State Lithium Batteries".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021):7.
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