Journal
RARE METALS
Volume 36, Issue 5, Pages 457-464Publisher
NONFERROUS METALS SOC CHINA
DOI: 10.1007/s12598-017-0890-0
Keywords
One-step; Cobalt tin hydroxides; All-solid; Flexible; Asymmetric supercapacitor
Funding
- Program for New Century Excellent Talents of the University in China [NCET-13-0645]
- National Natural Science Foundation of China [21201010, 21671170, 21673203]
- Innovation Scientists and Technicians Troop Construction Projects of Henan Province [164200510018]
- Program for Innovative Research Team (in Science and Technology) in University of Henan Province [14IRTSTHN004]
- Six Talent Plan [2015-XCL-030]
- Qinglan Project
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CoSn(OH)(6) nanocubes were synthesized by a facile one-step co-precipitate method. Their supercapacitor performances were investigated via a traditional three-electrode system and all solid-state flexible asymmetric supercapacitor. The electrode shows a maximum specific capacitance up to 695 F.g(-1). The flexible all solid-state asymmetric supercapacitor was fabricated based on CoSn( OH)(6) nanocubes and active carbon as positive and negative electrode. The assembled asymmetric supercapacitor exhibits a specific capacitance (97.3 mF.cm(-2)), good rate/mechanical stability and a long cycling stability (5000 cycles), demonstrating great promise for applications in all solid-state flexible supercapacitors.
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