A facile in-situ activation of protonated histidine-derived porous carbon for electrochemical capacitive energy storage
- A facile in-situ activation of protonated histidine-derived porous carbon for electrochemical capacitive energy storage
- 구본철; 황준연; Thanh-Nhan Tran; Hwa Jung Kim; Jitendra S. Samdani; Jae Kwan Lee; Jong-Sung Yu
- Amino acid; Histidine; Inorganic acid; Heteroatom doping; In-situ activation
- Issue Date
- Journal of industrial and engineering chemistry
- VOL 73-327
- 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.
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