DC Field | Value | Language |
---|---|---|
dc.contributor.author | Park, Kyusung | ko |
dc.contributor.author | Yu, Byeong-Chul | ko |
dc.contributor.author | Jung, Ji-Won | ko |
dc.contributor.author | Li, Yutao | ko |
dc.contributor.author | Zhou, Weidong | ko |
dc.contributor.author | Gao, Hongcai | ko |
dc.contributor.author | Son, Samick | ko |
dc.contributor.author | Goodenough, John B. | ko |
dc.date.accessioned | 2017-01-05T05:39:31Z | - |
dc.date.available | 2017-01-05T05:39:31Z | - |
dc.date.created | 2016-12-13 | - |
dc.date.created | 2016-12-13 | - |
dc.date.issued | 2016-11 | - |
dc.identifier.citation | CHEMISTRY OF MATERIALS, v.28, no.21, pp.8051 - 8059 | - |
dc.identifier.issn | 0897-4756 | - |
dc.identifier.uri | http://hdl.handle.net/10203/216094 | - |
dc.description.abstract | Garnet-structured solid electrolytes have been extensively studied for a solid-state lithium rechargeable battery. Previous works have been mostly focused on the materials development and basic electrochemical properties but not the cathode/electrolyte interface. Understanding the cathode interface is critical to enhance chemical stability and electrochemical performance of a solid-state battery cell. In this work, we studied thoroughly the cathode/electrolyte interface between LiCoO2 and Li7La3Zr2O12 (LLZO). It was found that the high-temperature process to fuse LiCoO2 and LLZO induced cross-diffusion of elements and formation of the tetragonal LLZO phase at the interface. These degradations affected electrochemical performance, especially the initial Coulombic efficiency and cycle life. In a clean cathode interface without the thermal process, an irreversible electrochemical decomposition at > similar to 3.0 V vs Li+/Li was identified. The decomposition was able to be avoided by a surface modification of LLZO (e.g., Co-diffused surface layer and/or presence of an interlayer, Li3BO3), and the surface modification was equally important to suppress a reaction during air storage. In a LiCoO2/LLZO interface, it is important to separate direct contacts between LiCoO2 and pure LLZO. | - |
dc.language | English | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.subject | GARNET-TYPE OXIDE | - |
dc.subject | ELECTROLYTE | - |
dc.subject | LI7LA3ZR2O12 | - |
dc.subject | STABILITY | - |
dc.subject | METAL | - |
dc.subject | 1ST-PRINCIPLES | - |
dc.subject | DENDRITES | - |
dc.subject | ORIGIN | - |
dc.subject | ANODE | - |
dc.title | Electrochemical Nature of the Cathode Interface for a Solid-State Lithium-Ion Battery: Interface between LiCoO2 and Garnet-Li7La3Zr2O12 | - |
dc.type | Article | - |
dc.identifier.wosid | 000387518500057 | - |
dc.identifier.scopusid | 2-s2.0-84994530456 | - |
dc.type.rims | ART | - |
dc.citation.volume | 28 | - |
dc.citation.issue | 21 | - |
dc.citation.beginningpage | 8051 | - |
dc.citation.endingpage | 8059 | - |
dc.citation.publicationname | CHEMISTRY OF MATERIALS | - |
dc.identifier.doi | 10.1021/acs.chemmater.6b03870 | - |
dc.contributor.nonIdAuthor | Park, Kyusung | - |
dc.contributor.nonIdAuthor | Yu, Byeong-Chul | - |
dc.contributor.nonIdAuthor | Li, Yutao | - |
dc.contributor.nonIdAuthor | Zhou, Weidong | - |
dc.contributor.nonIdAuthor | Gao, Hongcai | - |
dc.contributor.nonIdAuthor | Son, Samick | - |
dc.contributor.nonIdAuthor | Goodenough, John B. | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordPlus | GARNET-TYPE OXIDE | - |
dc.subject.keywordPlus | ELECTROLYTE | - |
dc.subject.keywordPlus | LI7LA3ZR2O12 | - |
dc.subject.keywordPlus | STABILITY | - |
dc.subject.keywordPlus | METAL | - |
dc.subject.keywordPlus | 1ST-PRINCIPLES | - |
dc.subject.keywordPlus | DENDRITES | - |
dc.subject.keywordPlus | ORIGIN | - |
dc.subject.keywordPlus | ANODE | - |
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