STUDYING CO₂ CONVERSION IN DC GLOW DISCHARGE

Author:

Lisovskiy V.A.,Dudin S.V.,Platonov P.P.,Yegorenkov V.D.

Abstract

We have registered the mass-spectra of the gas mixture leaving the chamber and the discharge current-voltage characteristics and determined the specific energy input (SEI), the absolute conversion coefficient χ and the conversion energy efficiency η in the CO₂ pressure range of 0.05...5 Torr. Converting CO₂ molecules was performed in the glow discharge in a chamber with distributed same-side gas supply and pumping. As a result the conversion coefficient χ equaling 70% was achieved, but the conversion energy efficiency η did not exceed 1...3 % because of considerable power loss due to acceleration of positive ions, gas and electrode heating as well as to inelastic collisions between electrons and gas molecules not leading to CO₂ conversion.

Publisher

Problems of Atomic Science and Technology

Reference25 articles.

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