Facile fabrication of cobalt oxalate nanostructures with superior specific capacitance and super-long cycling stability
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- 作者：Guanhua Cheng ; Conghui Si ; Jie Zhang ; Ying Wang ; Wanfeng Yang ; Chaoqun Dong ; Zhonghua Zhang ; zh_zhang@sdu.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Supercapacitor ; Transition metal oxalate ; Anodization ; Rate capability ; Cycling stability
- 刊名：Journal of Power Sources
- 出版年：2016
- 出版时间：30 April 2016
- 年：2016
- 卷：312
- 期：Complete
- 页码：184-191
- 全文大小：2258 K
文摘
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We fabricate cobalt oxalate-anchored cobalt foil electrode through anodization.
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The hybrid electrode presents superior specific capacitance of 1269 F g−1.
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The hybrid electrode retains 91.9% after super-long cycling of 100,000 cycles.
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The present electrode has excellent flexibility and good mechanical properties.
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The asymmetric CoC2O4//AC supercapacitor shows high energy and power density.