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タイトル: | Microstructure and electrochemical properties of the HT-LiCoO2/La2/3–xLi3xTiO3 solid electrolyte interfaces |
著者: | Kishida, Kyosuke https://orcid.org/0000-0003-0391-5022 (unconfirmed) Wada, Naoyuki Yamaguchi, Yuji Inui, Haruyuki https://orcid.org/0000-0003-0835-6725 (unconfirmed) Demura, Masahiko Iriyama, Yasutoshi Ogumi, Zempachi |
著者名の別形: | 岸田, 恭輔 |
発行日: | Aug-2010 |
出版者: | Materials Research Society |
誌名: | Journal of Materials Research |
巻: | 25 |
号: | 8 |
開始ページ: | 1583 |
終了ページ: | 1587 |
抄録: | Three different types of HT-LiCoO2/lithium lanthanum titanate (LLT) assemblies were produced by depositing an HT-LiCoO2 cathode on polycrystalline LLT with various surface finishes, to investigate the effects of the HT-LiCoO2/LLT interface structure on the electrochemical properties of the assemblies. An amorphous layer is confirmed to be introduced by Ar ion irradiation to crystalline LLT. The HT-LiCoO2/LLT assembly composed of the ion-irradiated LLT exhibits good cycle stability and relatively low apparent interface resistivity. These results indicate that the introduction of an amorphous LLT layer by surface modification of crystalline LLT is very effective in improving the structural stability and lithium-ion conductivity of the interface between HT-LiCoO2 and crystalline LLT. |
著作権等: | © 2010 Materials Research Society |
URI: | http://hdl.handle.net/2433/126718 |
DOI(出版社版): | 10.1557/jmr.2010.0203 |
出現コレクション: | 学術雑誌掲載論文等 |
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