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Cited by 257

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High-Performance Asymmetric Supercapacitor Designed with a Novel NiSe@MoSe2 Nanosheet Array and Nitrogen-Doped Carbon Nanosheet

Peng, Hui, Zhou, Jiezi, Sun, Kanjun, Ma, Guofu, Zhang, Zhiguo, Feng, Enke, Lei, Ziqiang·2017·ACS Sustainable Chemistry & Engineering

Abstract

Herein, a novel asymmetric supercapacitor (ASC) with high energy density is fabricated based on the NiSe@MoSe 2 nanosheet arrays and the nitrogen-doped pomelo mesocarps-based carbon nanosheet (N-PMCN) as a positive electrode and a negative electrode, respectively. The novel NiSe@MoSe 2 nanosheet arrays are designed and prepared by a facile one-step hydrothermal growth method from nickel foam as a nickel precursor and nucleation framework. The N-PMCN is prepared using simultaneous CaCl 2 activation and urea nitrogen-doped processes from thepomelo mesocarps as a biomass-based carbon precursor. Because of the unique nanosheet array architecture of NiSe@MoSe 2 and interconnected sheet-like porous morphology with high nitrogen content (∼9 wt %) of N-PMCN, they exhibit a maximum specific capacity of 128.2 mAh g –1 and high specific capacitance of 223 F g –1 at a current density of 1 A g –1 . Moreover, the assembled novel NiSe@MoSe 2 //N-PMCN ASC device with a maximum operating voltage of 1.65 V has demonstrated a high energy density of 32.6 Wh kg –1 at a power density of 415 W kg –1 and outstanding cycling stability with 91.4% capacitance retention after 5000 cycles in aqueous electrolyte.

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Metadata

Authors
Peng, H., Zhou, J., Sun, K., Ma, G., Zhang, Z., Feng, E., & Lei, Z.
Venue
ACS Sustainable Chemistry & Engineering
Published
2017-06-12
Volume
5
Issue
7
Pages
5951-5963
ISSN
2168-0485 (ISSN-L)
OpenAlex
W2621092834
Cited by
257
References
38
FWCI
9.46
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: High-Performance Asymmetric Supercapacitor Designed with a Novel NiSe@MoSe2 Nanosheet Array and Nitrogen-Doped Carbon Nanosheet. https://app.cochat.ai/papers/10.1021/acssuschemeng.7b00729
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Peng, H., Zhou, J., Sun, K., Ma, G., Zhang, Z., Feng, E., & Lei, Z. (2017). High-Performance Asymmetric Supercapacitor Designed with a Novel NiSe@MoSe2 Nanosheet Array and Nitrogen-Doped Carbon Nanosheet. ACS Sustainable Chemistry & Engineering. https://doi.org/10.1021/acssuschemeng.7b00729

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