Modification of micro/mesoporous carbon synthesis method from well decomposed peat using ZnCl2 additional activation step

Autor: M. Paalo, M. Härmas, T. Romann, A. Jänes, E. Lust
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Electrochemistry Communications, Vol 153, Iss , Pp 107543- (2023)
Druh dokumentu: article
ISSN: 1388-2481
DOI: 10.1016/j.elecom.2023.107543
Popis: ZnCl2 activation method was used to synthesize micro- and mesoporous carbon material from Estonian well decomposed peat. The synthesized material with the ZnCl2 activation step has an SBET value of 1270 m2 g─1, compared to the SBET value of 270 m2 g─1 without the activation step. The material was tested as an electrode material in a supercapacitor cell with ionic liquid as an electrolyte. The cyclic voltammetry, impedance spectroscopy and constant current charge/discharge cycles data show that the material is useable for stationary electricity storage in local small-scale wind farms and local PV electricity generating fields. The constant power test data show that very high energy densities E = 50 Wh kg─1 at moderate power densities P = 10 kW kg─1 can be achieved.
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