2000
DOI: 10.1590/s0100-40422000000600002
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Reação de geração de oxigênio em eletrodos de Mn2O3 suportados em aço inoxidável

Abstract: Recebido em 31/5/99; aceito em 3/5/00 OXYGEN EVOLUTION REACTION ON Mn 2 O 3 ELECTRODES SUPPORTED ON STAINLESS STEEL.A study of the kinetics of oxygen evolution in alkaline conditions from ceramic films of Mn 2 O 3 supported on stainless steel was carried out. This study has been done through the determination of transfer coefficients, Tafel slopes and exchange currents using potentiodynamic and quasipotentiostatic measurements. The activation energy was determined as a function of the overpotential and, additi… Show more

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Cited by 2 publications
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“…The first reports of electrocatalytically initiated water splitting on steel surfaces were rather fundamental research studies, concerning the kinetic study (particularly) of HER 1194–1202 and OER revealing that, 40–50 years ago, water splitting was not seriously taken into consideration as a technique suitable for the production of alternative fuels. Later steel has been intensively investigated as a conductive support for OER or HER active species 1203–1235,1238 as well as for OER or HER catalytic active alloys. 1236 In one of the latest published articles dedicated to the exploitation of steel as a conductive substrate for HER active electrocatalysts, Jothi et al 1213 describes a very interesting approach that uses scrap stainless steel wires to construct very active hydrogen-evolving electrodes under industrial conditions.…”
Section: Status Of Pgm-free Based Her and Oer Electrocatalysts And Th...mentioning
confidence: 99%
“…The first reports of electrocatalytically initiated water splitting on steel surfaces were rather fundamental research studies, concerning the kinetic study (particularly) of HER 1194–1202 and OER revealing that, 40–50 years ago, water splitting was not seriously taken into consideration as a technique suitable for the production of alternative fuels. Later steel has been intensively investigated as a conductive support for OER or HER active species 1203–1235,1238 as well as for OER or HER catalytic active alloys. 1236 In one of the latest published articles dedicated to the exploitation of steel as a conductive substrate for HER active electrocatalysts, Jothi et al 1213 describes a very interesting approach that uses scrap stainless steel wires to construct very active hydrogen-evolving electrodes under industrial conditions.…”
Section: Status Of Pgm-free Based Her and Oer Electrocatalysts And Th...mentioning
confidence: 99%