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Liu, Penggao; Gao, Yang; Tan, Yangyang; Liu, Weifang; Huang, Yanping; Yan, Jun; Liu, Kaiyu, E-mail: Yanjun@csu.edu.cn, E-mail: kaiyuliu309@163.com2019
AbstractAbstract
[en] Aqueous rechargeable zinc-ion hybrid supercapacitors are considered to be a promising candidate for large-scale energy storage devices owing to their high safety, long life, and low price. In this paper, a nitrogen doped hierarchical porous carbon is evaluated as the cathode for aqueous rechargeable zinc-ion hybrid supercapacitors. Benefiting from the synergistic merits of excellent structural features of N-HPC and tiny zinc dendrite of Zn anode in ZnSO4 electrolyte, the zinc-ion hybrid supercapacitor exhibits excellent energy storage performance including high capacity of 136.8 mAh·g−1 at 0.1·Ag−1, high energy density of 191 Wh·kg−1, large power density of 3,633.4 W·kg−1, and satisfactory cycling stability of up to 5,000 cycles with a capacity retention of 90.9%. This work presents a new prospect of developing high-performance aqueous rechargeable zinc ion energy storage devices. .
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Source
Copyright (c) 2019 Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature; Country of input: International Atomic Energy Agency (IAEA)
Record Type
Journal Article
Journal
Nano Research (Print); ISSN 1998-0124;
; v. 12(11); p. 2835-2841

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