Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 7, Issue 16, Pages 8952-8960Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b02453
Keywords
porous; carbon; ZnO; supercapacitor; electrochemical capacitor
Funding
- Fulton Schools of Engineering at ASU
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Foam-like porous carbons with specific surface area (SSA) up to 2340 m(2)/g were synthesized using direct pyrolysis of sugar and zinc nitrate mixtures without any hard. templates. The role of the ZnO nanoparticles formed from the decomposition of zinc nitrate, and the effects of high-temperature annealing on the formation of the high-SSA carbon foams were systematically studied. Due to the facile and quick reaction conditions, these carbon foams :could be easily,synthesized on a large scale. When used as Supercapacitor electrode materials, a specific capacitance up to 280 F/g was achieved at current density of 0.1 A/g and remained as high as 2.07 F/g, en at a high current density of 10 A/g.
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