Sulfonyl-based polyimide cathode for lithium and sodium secondary batteries: Enhancing the cycling performance by the electrolyte
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- 作者：Fei Xua ; xufei2058@whu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Jintao Xiab ; Wei Shib ; shiwei@mail.hzau.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Shun-an Caoa
- 关键词：Polymers ; Chemical synthesis ; Annealing ; Electrochemical properties ; Electrochemical techniques
- 刊名：Materials Chemistry & Physics
- 出版年：2016
- 出版时间：1 February 2016
- 年：2016
- 卷：169
- 期：Complete
- 页码：192-197
- 全文大小：1678 K
文摘
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Polyimide with electron-withdrawing sulfonyl connection unit is synthesized.
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Li cell based on this polyimide cathode provides a flat discharge plateau at 2.5 V.
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Increasing electrolyte concentration can enhance the cycling performance.
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Na cell gives a flat discharge plateau at 2.3 V and a sloping plateau at 1.9 V.