Poisoning and Activation of the Gold Cathode during Electroreduction of  CO 2

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© 1994 ECS - The Electrochemical Society
, , Citation P. Kedzierzawski and J. Augustynski 1994 J. Electrochem. Soc. 141 L58 DOI 10.1149/1.2054936

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1 Département de Chimie Minérale, Analytique et Appliquée, Université de Gèneve, 1211 Gèneve 4, Switzerland

Dates

  1. Received 26 July 1993
  2. Revised 25 February 1994

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1945-7111/141/5/L58

Abstract

Carbon dioxide reduction at polycrystalline gold cathode in 0.1 M solution has been re‐examined. Like two other group Ib metal cathodes, Ag and Cu, the Au electrode is shown to undergo progressive deactivation during the electrolysis runs. A periodic, electrochemical activation treatment of the gold electrode is described.

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