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Electrochemical performance evaluation of galvanostatically deposited Co(OH)2 on few-layered graphene electrodes
Vladimir Ernesto Parra Elizondo
JOSE MARTIN BAAS LOPEZ
Daniella Esperanza Pacheco Catalán
Acceso Abierto
Atribución-NoComercial-SinDerivadas
10.20964/2020.08.54
AP−CVD
FEW-LAYERED GRAPHENE;
GALVANOSTATICALLY DEPOSITED CO(OH)2
ELECTROCHEMICAL PERFORMANCE
ENERGY STORAGE
In this paper, an electrochemical performance evaluation of galvanostatically deposited Co(OH)(2) onto few-layered graphene (FLG) is presented. The electrochemical evaluation was carried out in a twoelectrode symmetric cell arrangement. Electrodes were synthesized by combining FLG made through simple instrumentation atmospheric pressure-chemical vapor deposition (AP-CVD) process onto Cu foil substrates, and galvanostatically deposited Co by chronopotentiometry deposition. Faradaic contributions of as-deposited Co(OH)(2) increase the areal capacity of the electrochemical cells (EC) with an areal capacity of 0.72 mu A h cm(-2), in comparison with the FLG EC with an areal capacity of 0.04 mu A h cm(-2) at 4 mA cm(-2). Along with the areal capacity enhancement, specific energy, as the galvanostatic charge/discharge evaluation tells, showed a boost from 0.434 to 7.79 mW h g(-1) evaluated at 4 mA …
2020
Artículo
International Journal of Electrochemical Science, 15(8), 7459-7473, 2020.
Inglés
Parra-Elizondo, V., Baas-Lopez, J. M., & Pacheco-Catalan, D. (2020). Electrochemical performance evaluation of galvanostatically deposited Co (OH)2 on few-layered Graphene Electrodes. International Journal of Electrochemical Science, 15(8), 7459-7473.
ENERGÍA
Versión publicada
publishedVersion - Versión publicada
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