期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 73, 期 -, 页码 316-327出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2019.01.044
关键词
Amino acid; Histidine; Inorganic acid; Heteroatom doping; In-situ activation
资金
- Global Frontier R&D Program on Centre for Multiscale Energy System - Ministry of Education, Science and Technology of Korea [NRF-2011-0031571, NRF-2016M1A2A2937137]
A unique and effective synthesis approach to tune the structural and electrochemical properties of carbon materials (CMs) is demonstrated by template-free one-step pyrolysis of protonated histidine (His) containing each of different inorganic acids (HAS) such as HI, HBr, HCl, HNO3, H2SO4, and H3PO4. In particular, the (H3PO4)His-CM possesses high specific surface area, high capacitance, superior energy density and power density along with excellent cycle life. Such excellent electrochemical performance of (H3PO4)His-CM is attributed to the tunable structural properties of the precursor, where H3PO4 plays dual roles of in-situ activation and additional P doping in the carbon skeleton. (C) 2019 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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