Journal
NANOMATERIALS
Volume 11, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/nano11030678
Keywords
Ni3S2; rod-like structure; one-step hydrothermal method; carbon coating; supercapacitor
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Funding
- State Key Laboratory of Crystal Materials, Shandong University
- National Natural Science Foundation of China [11604147]
- Foundation of National Laboratory of Solid State Microstructures, China [M32048]
- Jiangxi Province Key Projects of Science and Technology Support Plan, China [20142BBE50014]
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A novel Ni3S2 carbon coated rod-like structure (NCC) was prepared and used as an electrode in supercapacitors, showing excellent performance with high specific capacity, outstanding rate capability, and cycling stability, outperforming bare Ni3S2.
We report a novel Ni3S2 carbon coated (denoted as NCC) rod-like structure prepared by a facile one-pot hydrothermal method and employ it as a binder free electrode in supercapacitor. We coated carbon with glucose as carbon source on the surface of samples and investigated the suitable glucose concentration. The as-obtained NCC rod-like structure demonstrated great performance with a huge specific capacity of 657 C g(-1) at 1 A g(-1), preeminent rate capability of 87.7% retention, the current density varying to 10 A g(-1), and great cycling stability of 76.7% of its original value through 3500 cycles, which is superior to the properties of bare Ni3S2. The result presents a facile, general, viable strategy to constructing a high-performance material for the supercapacitor applications.
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