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Effect of Postannealing on the Properties of a Ta-Doped Li7La3Zr2O12 Solid Electrolyte Degraded by Li Dendrite Penetration
https://repo.lib.tut.ac.jp/records/2171
https://repo.lib.tut.ac.jp/records/21716ef571e0-dd0f-45a8-8696-ec8663f38fa7
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-01-26 | |||||
タイトル | ||||||
タイトル | Effect of Postannealing on the Properties of a Ta-Doped Li7La3Zr2O12 Solid Electrolyte Degraded by Li Dendrite Penetration | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Effect of Postannealing on the Properties of a Ta-Doped Li7La3Zr2O12 Solid Electrolyte Degraded by Li Dendrite Penetration | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
著者 |
稲田, 亮史
× 稲田, 亮史× 竹田, 惇人× 山崎, 佑輔× 三宅, 翔太郎× 櫻井, 庸司× Thangadurai, Venkataraman× Inada, Ryoji× Takeda, Atsuto× Yamazaki, Yusuke× Miyake, Shotaro× Sakurai, Yoji× Venkataraman, Thangadurai |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In this study, we investigated the effect of postannealing on the properties of a garnet-type Ta-doped Li6.55La3Zr1.55Ta0.45O12 (Ta-LLZO) ceramic solid electrolyte degraded by lithium (Li) dendrite penetration during electrochemical Li plating and stripping testing in a Li/Ta-LLZO/Li symmetric cell. After the electrochemical testing in the symmetric cell, the Ta-LLZO pellet was taken out of the cell and then annealed at 800 or 900 °C for 4 h in air. It was confirmed that locally discolored spots on the Ta-LLZO surface at which Li dendrite penetrated disappeared after postannealing. The total conductivity of the annealed Ta-LLZO pellet was lower than the initial one but was retained above 10–4 S cm–1 at room temperature. When the soft-shorted or degraded area size by Li dendrite penetration is localized and smaller than the area size for Ta-LLZO, it is expected that the degradation of the conductivity of annealed Ta-LLZO becomes smaller. Obtained electrochemical results indicate the possibility of reusing the degraded garnet-type solid electrolyte by Li dendrite penetration in another all-solid-state Li battery. | |||||
書誌情報 |
ACS Applied Energy Materials en : ACS Applied Energy Materials 巻 3, 号 12, p. 12517-12524, 発行日 2020 |
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出版者 | ||||||
出版者 | American Chemical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2574-0962 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1021/acsaem.0c02474 | |||||
権利 | ||||||
権利情報 | Copyright © 2020 American Chemical Society , Embargo 12 Months | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1021/acsaem.0c02474 | |||||
関連名称 | ACSサイト | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
キーワード | ||||||
主題 | solid electrolyte | |||||
キーワード | ||||||
主題 | garnet | |||||
キーワード | ||||||
主題 | ionic conductivity | |||||
キーワード | ||||||
主題 | Li dendrite | |||||
キーワード | ||||||
主題 | postannealing | |||||
キーワード | ||||||
主題 | solid electrolyte | |||||
キーワード | ||||||
主題 | garnet | |||||
キーワード | ||||||
主題 | ionic conductivity | |||||
キーワード | ||||||
主題 | Li dendrite | |||||
キーワード | ||||||
主題 | postannealing |