期刊
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
卷 23, 期 5, 页码 1481-1492出版社
SPRINGER
DOI: 10.1007/s10008-019-04244-2
关键词
Li-ion battery; Supercapacitor; N- and S-doped carbon; Biomass; Organic waste carbon
资金
- Global Frontier R&D Program on the Center for Multiscale Energy System [NRF-2011-0031571]
- NRF - Ministry of Science, ICT & Future Planning [NRF 2016M1A2A2937137]
Heteroatom functionalities in activated carbons have a positive effect on their electrochemical properties. High surface area, reasonable heteroatom content, and high conductivity are highly appealing for energy storage applications, and imparting all three attributes in a single material is still a formidable task. In this work, this task is addressed by using a routinely discarded protein-rich biomass human hair. It offers a unique prospect as a single precursor for heteroatoms and carbon. Highly functional N and S-co-doped carbons generated by pyrolysis at 800, 900, and 1000 degrees C yield variable degree of heteroatoms, surface areas, and conductivities. When applied as an electrode material for Li-ion battery and supercapacitor, interestingly, the carbon generated at 900 degrees C shows better electrochemical performance over its counterparts. A correlative analysis of the structural features and performance is presented.
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