Electrodeposited Amorphous Tungsten-doped Cobalt Oxide as an Efficient Catalyst for the Oxygen Evolution Reaction.
Chem Asian J
; 13(12): 1530-1534, 2018 Jun 18.
Article
en En
| MEDLINE
| ID: mdl-29708656
ABSTRACT
Thin film of amorphous tungsten-doped cobalt oxide (WCoO) was successfully grown on a conducting electrode via an electrochemical oxidation process employing a [Co(WS4 )2 ]2- deposition bath. The WCoO catalyst displays an attractive performance for the oxygen evolution reaction in an alkaline solution. In an NaOH solution of pHâ
13, WCoO operates with a moderate onset overpotential of 230â
mV and requires 320â
mV overpotential to generate a catalytic current density of 10â
mA cm-2 . A low Tafel slope of 45â
mV decade-1 was determined, indicating a rapid O2 -evolving kinetics. The as-prepared WCoO belongs to the best cobalt oxide-based catalysts ever reported for the oxygen evolution (OER) reaction.
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Colección:
01-internacional
Base de datos:
MEDLINE
Idioma:
En
Revista:
Chem Asian J
Año:
2018
Tipo del documento:
Article
País de afiliación:
Vietnam