Durability evaluation of hexagonal WO₃ electrode for lithium ion secondary batteries

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• 作者：Akito Sasaki^a ; ^b ; ^{akito.sasaki@toshiba.co.jp} ; Hideyuki Oozu^a ; Miho Nakamura^a ; Katsuaki Aoki^a ; Yoshinori Kataoka^a ; Syuichi Saito^a ; Kumpei Kobayashi^a ; Wei Li^b ; Kuniyuki Kakushima^b ; Kazuo Tsutsui^c ; Hiroshi Iwai^c
• 关键词：Hexagonal tungsten oxide ; Lithium ion secondary batteries ; Durability ; Charge-discharge cycling test
• 刊名：Microelectronics Reliability
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：68
• 期：Complete
• 页码：86-90
• 全文大小：1500 K
• 卷排序：68

文摘

The degradation mechanism of h-WO3 when used as the negative electrode in LIB was clarified. The both changes in the crystalline structure and the valence of W of h-WO3 occurred. The deposition of a layer of reactive materials on the surface of the h-WO3 electrode was observed. Changes in the electrolyte composition in LIB occurred.