中国科学E辑(英文版)
中國科學E輯(英文版)
중국과학E집(영문판)
SCIENCE IN CHINA E
2004年
3期
257-264
,共8页
carbon nanotubes%electric double layer capacitor%specific capacitance
Polarizable electrode of electric double layer capacitor was made from carbon nanotubes. The effect of acid oxidation of electrode on the specific capacitance was studied. Oxidation removed the redundant carbon, expanded the pore size and introduced some kinds of functional groups on the surface of CNTs. The specific capacit ance of the electrodes with organic electrolyte was increased from 21.4 to 49.6 F/gafter being oxidized at a volume ratio of H2SO4 to HNO3 of 3:1.