Enhancement of the electrochemical properties of commercial coconut shell-based activated carbon by H₂O dielectric barrier discharge plasma.

ABSTRACT: Commercial coconut shell-based activated carbon (CSAC) has low specific capacitance and specific capacitance retention owing to its undeveloped pore structure and low proportion of heteroatoms. In this study, dielectric barrier discharge plasma was used to enhance the specific capacitance and rate capability of CSAC. H₂O was used as an excited medium to introduce oxygen functional groups. The physico-chemical properties of CSAC and CSAC modified by H₂O plasma (HCSAC) were revealed by automated surface area and pore size analysis, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy and Raman spectroscopy. Electrochemical work was applied to investigate the electrochemical properties of CSAC and HCSAC. The results obtained showed that plasma modifi

SUBMITTER: Wang X 

PROVIDER: S-EPMC6408405 | biostudies-literature | 2019 Feb

REPOSITORIES: biostudies-literature