Effect of Inorganic Acid Treatment on Ultrahigh Capacitor made of Carbon Nanotubes

Abstract

Abstract: The powder of carbon nanotubes (CNTs) and the plate electrodes of ultrahigh capacitor made of CNTs were
treated by strong acid. Experimental results indicated that the ratio of amorphous carbon in the powder of CNTs was lowered, the dispersity of the
powder of CNTs was advanced, and several kinds of functional group were added on the surfaces of CNTs. Moreover, the specific area of plate
electrodes was increased, the aperture distribution was improved. These variations resulted in the obvious advancement of the capacity properties
of ultrahigh capacitor.

Key words: carbon nanotube, acid treatment, ultrahigh capacitor, capacity

CLC Number:

TM543

LI Chen-Sha,WANG Da-Zi,WU Jian-Jun,LU Wei-Zhe,LIANG Ji. Effect of Inorganic Acid Treatment on Ultrahigh Capacitor made of Carbon Nanotubes[J]. Journal of Inorganic Materials.

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Effect of Inorganic Acid Treatment on Ultrahigh Capacitor made of Carbon Nanotubes

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