Homologous Strategy to Construct High-Performance Coupling Electrodes for Advanced Potassium-Ion Hybrid Capacitors

被引：0
|
作者：
Ying Xu
Jiafeng Ruan
Yuepeng Pang
Hao Sun
Chu Liang
Haiwen Li
Junhe Yang
Shiyou Zheng
机构：
[1] University of Shanghai for Science and Technology,School of Materials Science and Engineering
[2] Zhejiang University of Technology,College of Materials Science and Engineering
[3] Kyushu University,International Research Center for Hydrogen Energy
来源：
Nano-Micro Letters | 2021年 / 13卷
关键词：
Carbon fibers; Potassium-ion capacitor; Alkali-ion battery;
D O I：
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学科分类号：
摘要：
A novel and facile homologous strategy is proposed to construct unique multichannel carbon fiber (MCCF)-based electrode materials for potassium-ion hybrid capacitors.The S-MCCF anodes present high capacity, super rate capability, and long cycle stability in potassium-ion half-cells, and the aMCCF cathodes have a high specific surface area of 1445 m2 g−1 and exhibit outstanding capacitive performance.The fabricated PIHC (manode:mcathode = 1:2) devices show high energy and power densities together with excellent cycling stability.
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