Supercapacitors based on high-surface-area graphene
作者： XiaoLin Zhou , Min Wang , Jie Lian , YongFu Lian
DOI: 10.1007/S11431-014-5462-Z
关键词:
摘要: Exfoliated graphite oxide was prepared by an improved Hummers method and then reduced to graphene with hydrazine in the presence of ammonium hydroxide. N2 adsorption-desorption measurement showed that so obtained had a specific surface area as high 818 m2/g. Galvanostatic charge/discharge curves demonstrated as-prepared exhibited capacitance 186.9 F/g at current density 0.1 A/g about 96% retained after 2000 cycles 5 A/g.
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