The Electrochemical Reduction of Carbon Dioxide
at the TinCadmium and TinZinc Alloys

A. F. Cherashev and A. P. Khrushch

Institute of Chemical Physics in Chernogolovka, Russian Academy of Sciences,
p/o Chernogolovka, Noginsk raion, Moscow oblast, 142432 Russia

Received September 22, 1995

Abstract—The electrochemical reduction of carbon dioxide to formate is studied at electrodes prepared from
tin, zinc, cadmium, and alloys of these metals in 1 M NaHCO₃ aqueous solutions. The efficiency of the alloyed
electrodes is shown to be higher than that of pure metals. The kinetic and chronopotentiometric data obtained
are used to make an assumption about the role played by dislocations at the alloyed electrode surface in forma-
tion of an intermetallide with the alkali metal and about participation of the latter in the reduction of carbon
dioxide.

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