超级电容器
电极
电容
材料科学
聚合物
配位聚合物
功率密度
化学工程
纳米技术
化学
复合材料
物理化学
功率(物理)
量子力学
物理
工程类
作者
Hongren Rong,Gexiang Gao,Xiaocen Liu,Xiaojuan Chen,Qingyan Jiang,Xiuting Song,Daozhen Shen,Wenlong Liu,Qi Liu
标识
DOI:10.1021/acs.cgd.2c01305
摘要
It is a considerably attractive task to search for new high-performance electrode materials for supercapacitors from pristine coordination polymers. Herein, a one-dimensional (1D) Cu-based coordination polymer ([Cu(BGPD)(DMF)2(H2O)], Cu-BGPD; BGPD = N,N′-bis(glycinyl)pyromellitic diimide; DMF = dimethylformamide) has been synthesized. When utilized as the electrode material for supercapacitors, in a three-electrode system, the Cu-BGPD electrode delivers a high specific capacitance of 1530 F g–1 (corresponding to a specific capacity of 213 mAh g–1) at 1 A g–1 with a capacitance retention of 95.9% after 2000 cycles at 1 A g–1. Impressively, the asymmetric supercapacitor comprising Cu-BGPD as the positive electrode and the rGO as the negative electrode delivers the maximum energy density of 15.25 Wh kg–1 at a power density of 0.85 kW kg–1. Our research shows that it is also a practical way to develop new high-performance electrode materials of supercapacitors from 1D coordination polymers.
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