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Reviving the rock-salt phases in Ni-rich layered cathodes by mechano-electrochemistry in all-solid-state batteries

hal.structure.identifierClean Nano Energy Center
dc.contributor.authorWANG, Zaifa
hal.structure.identifierGuilin Electrical Equipment Scientific Research Institute Co., Ltd.
dc.contributor.authorWANG, Zhenyu
hal.structure.identifierDepartment of Engineering Science and Mechanics
dc.contributor.authorXUE, Dingchuan
hal.structure.identifierClean Nano Energy Center
dc.contributor.authorZHAO, Jun
hal.structure.identifierKey Laboratory of Low Dimensional Materials and Application Technology of Ministry of Education
dc.contributor.authorZHANG, Xuedong
hal.structure.identifierClean Nano Energy Center
dc.contributor.authorGENG, Lin
hal.structure.identifierClean Nano Energy Center
dc.contributor.authorLI, Yanshuai
hal.structure.identifierClean Nano Energy Center
dc.contributor.authorDU, Congcong
hal.structure.identifierClean Nano Energy Center
dc.contributor.authorYAO, Jingming
hal.structure.identifierGuilin Electrical Equipment Scientific Research Institute Co., Ltd.
dc.contributor.authorLIU, Xinyu
hal.structure.identifierClean Nano Energy Center
dc.contributor.authorRONG, Zhaoyu
hal.structure.identifierClean Nano Energy Center
dc.contributor.authorGUO, Baiyu
hal.structure.identifierDepartment of Engineering Science and Mechanics
dc.contributor.authorFANG, Ruyue
hal.structure.identifierKey Laboratory of Low Dimensional Materials and Application Technology of Ministry of Education
dc.contributor.authorSU, Yong
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDELMAS, Claude
hal.structure.identifierLawrence Berkeley National Laboratory [Berkeley] [LBNL]
dc.contributor.authorHARRIS, Stephen
hal.structure.identifierSection Storage of Electrochemical Energy, Department of Radiation Science and Technology, Faculty of Applied Sciences
dc.contributor.authorWAGEMAKER, Marnix
hal.structure.identifierClean Nano Energy Center
dc.contributor.authorZHANG, Liqiang
hal.structure.identifierClean Nano Energy Center
dc.contributor.authorTANG, Yongfu
hal.structure.identifierDepartment of Engineering Science and Mechanics
dc.contributor.authorZHANG, Sulin
hal.structure.identifierSchool of Materials Science & Engineering
dc.contributor.authorZHU, Lingyun
hal.structure.identifierClean Nano Energy Center
hal.structure.identifierKey Laboratory of Low Dimensional Materials and Application Technology of Ministry of Education
dc.contributor.authorHUANG, Jianyu
dc.date.issued2023
dc.identifier.issn2211-2855
dc.description.abstractEnThe rock-salt phase (RSP) formed on the surface of Ni-rich layered cathodes in liquid-electrolyte lithium-ion batteries is conceived to be electrochemically "dead". Here we show massive RSP forms in the interior of LiNixMnyCo(1−x-y)O2 (NMC) crystals in sulfide based all solid state batteries (ASSBs), but the RSP remains electrochemically active even after long cycles. The RSP and the layered structure constitute a two-phase mixture, a material architecture that is distinctly different from the RSP in liquid electrolytes. The tensioned layered phase affords an effective percolation channel into which lithium is squeezed out of the RSPs by compressive stress, rendering the RSPs electrochemically active. Consequently, the ASSBs with predominant RSP in the NMC cathode deliver remarkable long cycle life of 4000 cycles at high areal capacity of 4.3 mAh/cm2. Our study unveils distinct mechano-electrochemistry of RSPs in ASSBs that can be harnessed to enable high energy density and durable ASSBs.
dc.language.isoen
dc.publisherElsevier
dc.title.enReviving the rock-salt phases in Ni-rich layered cathodes by mechano-electrochemistry in all-solid-state batteries
dc.typeArticle de revue
dc.identifier.doi10.1016/j.nanoen.2022.108016
dc.subject.halChimie/Matériaux
bordeaux.journalNano Energy
bordeaux.page108016 (10 p.)
bordeaux.volume105
bordeaux.peerReviewedoui
hal.identifierhal-03933658
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03933658v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Nano%20Energy&rft.date=2023&rft.volume=105&rft.spage=108016%20(10%20p.)&rft.epage=108016%20(10%20p.)&rft.eissn=2211-2855&rft.issn=2211-2855&rft.au=WANG,%20Zaifa&WANG,%20Zhenyu&XUE,%20Dingchuan&ZHAO,%20Jun&ZHANG,%20Xuedong&rft.genre=article


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