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3D Carbon Frameworks for Ultrafast Charge/Discharge Rate Supercapacitors with High Energy-Power Density
Nano-Micro Letters ( IF 31.6 ) Pub Date : 2020-10-27 , DOI: 10.1007/s40820-020-00535-w
Changyu Leng 1 , Zongbin Zhao 1 , Yinzhou Song 1 , Lulu Sun 1 , Zhuangjun Fan 2 , Yongzhen Yang 3 , Xuguang Liu 3 , Xuzhen Wang 1 , Jieshan Qiu 1, 4
Affiliation  

  • 3D carbon frameworks (3DCFs) constructed by interconnected nanocages show a high specific surface area, hierarchical porosity, and conductive network.

  • The deoxidization process removed most of surface oxygen-containing groups in 3DCFs that leads to fast ion diffusion kinetics, good electric conductivity, and limited side reactions.

  • The deoxidized 3DCFs exhibit an ultrafast charge/discharge rate as electrodes for SCs with high energy-power density in both aqueous and ionic liquids electrolytes.



中文翻译:

用于具有高能量功率密度的超快充电/放电速率超级电容器的 3D 碳框架

  • 由互连纳米笼构成的 3D 碳框架 (3DCF) 显示出高比表面积、分级孔隙率和导电网络。

  • 脱氧过程去除了 3DCFs 中的大部分表面含氧基团,这导致了快速的离子扩散动力学、良好的导电性和有限的副反应。

  • 脱氧的 3DCFs 作为 SCs 的电极表现出超快的充电/放电速率,在水性和离子液体电解质中具有高能量功率密度。

更新日期:2020-10-30
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