Journal
MATERIALS LETTERS
Volume 259, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2019.126860
Keywords
Supercapacitor; Hydrous ruthenium oxide; SWCNT/graphene composite
Funding
- China Postdoctoral Science Foundation [2017M622133]
- Science and Technology Program of Qingdao, P. R. China [18-2-2-3-jch]
- Taishan oversea scholar program of Shandong Province, P. R. China
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A hybrid nanostructure of hydrous RuO2 nanoparticles deposited on the surface of SWCNT/graphene (S/G) composite has been prepared through a sol-gel process and low-temperature annealing. Benefiting from the combined advantages of graphene, SWCNTs and hydrous RuO2, the hybrid electrode material (RuO2@S/G-60 of 58.53% RuO2 loading) has a high specific capacitance of 988 F/g at a current density of 1 A/g and excellent rate performance. The results show that S/G is very suitable as a carbon skeleton of hydrous RuO2. (C) 2019 Elsevier B.V. All rights reserved.
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