Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/79300
Type: Artigo de periódico
Title: DEACTIVATION MECHANISM OF NICKEL CATHODES IN ALKALINE MEDIA
Author: SOARES, DM
KLEINKE, MU
TORRIANI, I
TESCHKE, O
Abstract: Time-dependent hydrogen evolution reaction (HER) on Ni electrodes shows a large increase in electrode over potential with time. This is ascribed to hydride formation at active Ni cathode surfaces. Hydride formation was detected by X-ray diffraction. By taking into account the nickel electronic density of states variation following hydrogen sorption, we are able to satisfactorily explain the increase in nickel over potential after a few hours of HFR.
Country: Inglaterra
Editor: Pergamon-elsevier Science Ltd
Rights: fechado
Identifier DOI: 10.1016/0360-3199(94)90214-3
Date Issue: 1994
Appears in Collections:Unicamp - Artigos e Outros Documentos

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