期刊论文详细信息
Indian Journal of Pure & Applied Physics
Hydrothermal Carbonization of Walnut Shell Biomass to Biochar for Supercapacitor Application
article
Mamta Bulla1  Paul Singh1  Raman Devi1  Vinay Kumar1  Sunil Kumar1 
[1] Department of Physics, CCS Haryana Agricultural University
关键词: Hydrothermal carbonization;    Biochar;    BET surface area;    Supercapacitor;    Waste management;    Article;   
DOI  :  10.56042/ijpap.v61i8.351
来源: National Institute of Science Communication and Information Resources
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【 摘 要 】

Hydrothermal carbonization is now emerging to address society's global sustainability problems by reprocessing several industrial and agricultural wastes to derive promising carbonaceous materials such as graphene, biochar, and activated carbon. This approach will further resolve the difficulties related to the safe recycling of waste materials and also the consumption of fossil fuels. This work focuses on synthesizing biochar via hydrothermal carbonization at temperatures 220 ℃ and residence time (6, 12, 18, and 24 h) and their effects on product yield and other parameters studied. Characterizations of biochar produced at different times were carried out using techniques like X-ray diffraction, UV-Visible Spectroscopy, and N2 adsorption/desorption isotherm. The biochar yield reduced from 56.4-40.2 wt-% with a rise in dwelling time. BET surface area was found to increase as we increased the reaction time. On the base of the maximum surface area, electrochemical analysis was performed to check the role of biochar as a supercapacitor electrode.

【 授权许可】

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