Realizing both high energy and high power densities by twisting three carbon-nanotube-based hybrid fibers

Angewandte Chemie
Ye ZhangHuisheng Peng

Abstract

Energy storage devices, such as lithium-ion batteries and supercapacitors, are required for the modern electronics. However, the intrinsic characteristics of low power densities in batteries and low energy densities in supercapacitors have limited their applications. How to simultaneously realize high energy and power densities in one device remains a challenge. Herein a fiber-shaped hybrid energy-storage device (FESD) formed by twisting three carbon nanotube hybrid fibers demonstrates both high energy and power densities. For the FESD, the energy density (50 mWh cm(-3) or 90 Wh kg(-1) ) many times higher than for other forms of supercapacitors and approximately 3 times that of thin-film batteries; the power density (1 W cm(-3) or 5970 W kg(-1) ) is approximately 140 times of thin-film lithium-ion battery. The FESD is flexible, weaveable and wearable, which offers promising advantages in the modern electronics.

References

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Jul 27, 2011·Proceedings of the National Academy of Sciences of the United States of America·Yuan YangYi Cui
Aug 2, 2012·Advanced Materials·Wenhan GuoHuisheng Peng
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Citations

Sep 25, 2017·Angewandte Chemie·Ye ZhangHuisheng Peng
Apr 16, 2019·Angewandte Chemie·Xiaojie XuHuisheng Peng
Jul 23, 2019·Advanced Materials·Yun-Hai ZhuXin-Bo Zhang
Jan 27, 2019·Advanced Materials·Ziping WuZhongfan Liu
Mar 2, 2016·Angewandte Chemie·Ye ZhangHuisheng Peng
Feb 26, 2019·Nature Biotechnology·Jayoung KimJoseph Wang
Mar 9, 2021·Small·Seong Dae KimJong-Hyun Ahn
Apr 30, 2021·Chemical Society Reviews·Wujun MaMeifang Zhu
May 15, 2021·ACS Nano·Yizeng WuAnyuan Cao
Nov 23, 2019·ACS Applied Materials & Interfaces·Linchao ZengLing Qiu
May 19, 2018·ACS Applied Materials & Interfaces·Kai GuoNeng Yu

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