超级电容器
阴极
材料科学
碳纳米管
压力(语言学)
功能(生物学)
锌
纳米技术
冶金
电化学
化学
工程类
电气工程
电极
语言学
哲学
物理化学
进化生物学
生物
作者
Jiaao Dai,Cuijie Zhu,Yong Fan,Li Wen,Yuanfang Zhao,Zhixiang Huang,Wei Zeng,Siliang Wang
标识
DOI:10.1016/j.est.2024.110670
摘要
In view of the growing market for new energy vehicles and flexible wearable electronic devices, the demand for high performance, low cost and high safety energy storage devices is increasing. Here, a zinc-ion supercapacitor (ZISC) with CZIF-67-CNTs cathode and zinc foil anode was constructed. This energy storage system provides superb electrochemical properties with specific capacitance of 103.3 F g−1(0.2 A g−1), energy density of 32.3 Wh kg−1 (150 W kg−1) and capacitance retention of 74 % (20,000 cycles). A facile sensor application is also provided for ZISC with hydrogel as the electrolyte, and the device exhibits a stress-sensitive current response. Then an elastic electrochemical operating mechanism is also proposed. This compressible quasi-solid-state ZISC shows enormous application value in wearable stress sensing and energy storage devices.
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