Electrochemical Assessment of As-Deposited Co(OH)2 by Electrochemical Synthesis: The Effect of Synthesis Temperature on Performance

作者: Vladimir Parra-Elizondo , Ana Karina Cuentas-Gallegos , Beatriz Escobar-Morales , José Martín Baas-López , Jorge Alonso Uribe-Calderón

DOI: 10.3390/EN12224246

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摘要: In this paper, the influence of an electrolytic temperature bath was used in electrodeposition process on size, color, and shape as-deposited Co(OH)2, electrochemical performance investigated. Three different temperatures 25, 60, 95 °C were evaluated for Co(OH)2 stainless steel plates (SSP). The electrodes (SSP) measured a symmetric cell (EC) arrangement. XRD, SEM, N2 physisorption analyses carried out to evaluate structure morphological composition, along with textural properties. Results showed that hexagonal platelet micro-clusters are formed mixed composition both α-Co(OH)2 β-Co(OH)2 phases, phase being major at below °C, as suggested by XRD analysis. Electrochemical performances galvanostatic cycling, results maximum areal capacity values 1.97, 2.69, 4.34 mA h cm−2 charge/discharge current 6.25 cm−2, materials 60 respectively. specific power EC reached up 19 kW kg−1 obtained material energy 2.8 W kg−1. density value 10.79 °C. These offer some insight into how morphology thin films can be tuned synthesis temperature, yielding behaviors.

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