Abstract
Owing to the rapidly growing market for flexible electronics, there is an urgent demand to develop flexible energy storage devices. Flexible supercapacitors have received much attention due to their good flexibility, fast charge/discharge rate and long lifecycle times. Carbon nanotubes (CNTs) and graphene have good mechanical properties, which make them suitable for flexible supercapacitors. Based on different nanostructures of CNTs and graphene, we summarized the recent progress in CNTs- and graphene-based flexible supercapacitors with a brief description of the basic principles for evaluating their performance. Special emphasis was given to fabrication methods, capacitive performance and electrode configurations of different flexible supercapacitors. Furthermore, the remaining challenges and future research directions for CNTs- and graphene-based flexible supercapacitors have also been discussed.
摘要
随着柔性电子器件的发展, 对与之相匹配的柔性储能器件的需求越来越大. 柔性超级电容器因其具有快速的充放电倍率、长循环 寿命和良好的柔韧性而受到广泛关注. 碳纳米管和石墨烯拥有良好的机械性能和多样的结构, 不同的微纳结构对电极的电化学性能和机 械性能有较大的影响. 本文总结了近期以碳纳米管和石墨烯为电极材料的柔性超级电容器研究进展, 重点概括了不同柔性电极的合成方 法和结构特点, 并分析了构建柔性超级电容器的容量性能和机械性能. 此外, 还讨论了柔性超级电容器发展现存的挑战和未来的前景.
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This work was supported by the National Natural Science Foundation of China (21503116), Taishan Scholars Program of Shandong Province (TSQN20161004) and the Youth 1000 Talent Program of China.
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Kang Li obtained his bachelor degree from Nanjing University, and now is a graduate student in Shandong University under the supervision of Prof. Jintao Zhang. His research interest focuses on the carbon-based nanomaterials for flexible energy storage devices.
Jintao Zhang obtained his PhD degree from the National University of Singapore in 2012. Prior to joining Shandong University as a full professor, he has been a postdoctoral fellow at Nanyang Technological University and Case Western Reserve University. His research interests include the rational design & synthesis of advanced materials for electrochemical energy storage and conversion devices (e.g., metal-air batteries, supercapacitors and fuel cells) and electrocatalysis.
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Li, K., Zhang, J. Recent advances in flexible supercapacitors based on carbon nanotubes and graphene. Sci. China Mater. 61, 210–232 (2018). https://doi.org/10.1007/s40843-017-9154-2
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DOI: https://doi.org/10.1007/s40843-017-9154-2