フルテキストファイル
著者
Usui Hiroyuki Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University 研究者総覧 KAKEN
Shimizu Masahiro Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University
Sakaguchi Hiroki Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University 研究者総覧 KAKEN
キーワード
Si-based anode
LaSi2/Si composite
Ionic liquid electrolyte
Thick-film electrode
Gas-deposition method
Li-ion battery
抄録
Anode performances of LaSi2/Si composite thick-films were investigated in ionic liquids as Li-ion battery electrolytes containing cations of N-methyl-N-propylpiperidinium (PP13) or 1-ethyl-3-methylimidazolium and anions of bis(fluorosulfonyl)amide (FSA) or bis(trifluoromethanesulfonyl) amide. The LaSi2/Si electrode exhibited much better performance in PP13-FSA compared with the other electrolytes including a conventional organic solvent one: the reversible capacity at the 250th cycle and its retention were 800 mA h g−1 and 80%. The excellent performance is attributed to a higher stability of PP13 cations against a cathodic decomposition and an easier desolvation of Li ions and FSA anions at the electrode/electrolyte interface. This result offers a promising applicability of ionic liquid electrolyte to various Si-based anodes with high performances by architecture of cation and anion structures.
出版者
Elsevier
資料タイプ
学術雑誌論文
外部リンク
ISSN・ISBN
0378-7753
書誌ID
AA1153408X
掲載誌名
Journal of power sources
最新掲載誌名
Journal of power sources
235
開始ページ
29
終了ページ
35
発行日
2013-08-01
出版者DOI
著者版フラグ
著者版
著作権表記
Copyright © 2013 Elsevier B.V. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/
掲載情報
Journal of power sources. 2013, 135, 29-35
部局名
工学部・工学研究科
言語
英語