Influence of the structure of the anion in an ionic liquid electrolyte on the electrochemical performance of a silicon negative electrode for a lithium-ion battery

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• 作者：Kazuki Yamaguchi^a ; ^b ; Yasuhiro Domi^a ; ^b ; Hiroyuki Usui^a ; ^b ; Masahiro Shimizu^a ; ^b ; Kuninobu Matsumoto^a ; ^b ; Toshiki Nokami^a ; ^b ; Toshiyuki Itoh^a ; ^b ; Hiroki Sakaguchi^a ; ^b ; ^{sakaguch@chem.tottori-u.ac.jp}
• 关键词：Silicon ; Li-ion battery ; Ionic liquid electrolyte ; Anion ; Gas-deposition
• 刊名：Journal of Power Sources
• 出版年：2017
• 出版时间：15 January 2017
• 年：2017
• 卷：338
• 期：Complete
• 页码：103-107
• 全文大小：803 K
• 卷排序：338

文摘

Anode property of silicon was affected by anion structure of ionic liquid electrolyte for LIB. Si electrode exhibited good cyclability with capacity of 2000 mA h g−1 in FSA-based electrolyte. High rate performance was achieved in FSA-based electrolyte. Conductivity of FSA-based electrolyte was three times higher than that of TFSA-based one.