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Type: Artigo de periódico
Title: New Type Of Ptfe-covered Gas Evolving Electrode.
Author: Kleinke M.U.
de Moraes M.A.B.
Teschke O.
Abstract: A new technique for the preparation of gas evolving electrodes is proposed and tested. Nickel electrodes have been investigated whose surfaces were covered by a large density of polytetrafluoroethylene (PTFE) microscopic columnar islands obtained by reactive ion etching from a continuous PTFE film. Due to the hydrophobicity of the PTFE coverage, the gas bubble release rate from the electrode surface in a gas evolving reaction is increased, leading to high operation efficiencies. The preparation of the electrodes and their morphological and electrochemical characterizations are discussed. This work is pertinent to water electrolysis.
Citation: Journal Of The Electrochemical Society. , v. 133, n. 9, p. 1815 - 1818, 1986.
Rights: aberto
Date Issue: 1986
Appears in Collections:Unicamp - Artigos e Outros Documentos

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