CO2 activation of bamboo residue after hydrothermal treatment and performance as an EDLC electrode. Issue 16 (4th March 2021)

• Record Type: Journal Article
• Authors: Khuong, Duy Anh; Nguyen, Hong Nam; Tsubota, Toshiki
• Is Part Of: RSC advances. Volume 11:Issue 16(2021)
• Page Start: 9682
• Page End: 9692
• Publication Date: 2021-03-04
• Subjects: Chemistry -- Periodicals; 540.5
• DOI: 10.1039/d1ra00124h
• Languages: English
• ISSNs: 2046-2069

Abstract

Abstract : CO2 activation was performed on hydrothermally treated bamboo for the preparation of an EDLC electrode. Abstract : CO2 activation of the solid residue of bamboo after hydrothermal treatment, which is used for the production of xylo-oligosaccharide, was investigated in detail. The reference temperature for carbonization and CO2 activation was 800 °C. The activated carbon from a solid residue was demonstrated to have a higher potential for making EDLC electrodes than bamboo activated carbon thanks to its very low ash content (almost 0) and high porosity structure with a BET surface area up to ca. 2150 m 2 g −1 . The electrochemical performance of ELDC electrodes prepared from solid residue-derived activated carbon in 1 M H2 SO4 aqueous solution was measured and well compared with carbon from bamboo. Through investigation, it is clear that the capacitance of the electrode made from the solid residue has a better capacity than that of raw bamboo.