酸素原料オゾナイザの電極表面の錆がオゾン発生に及ぼす影響

概要

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The rust is generated on a metal electrode when the oxygen-fed ozonizer with a short gap is driven in a high discharge density. The ozonizer consists of a metal electrode and glass one, and the rust on a metal electrode disperses to a glass electrode. We found that the ozone yield efficiency improves about 20% in some condition when the rust adheres on the glass electrode. The rust is the oxidized chemical compounds of Fe, Ni, Cr, Mo which are a materials of a metal electrode(SUS304). We examined the characteristics of ozone generation using the glass electrode painting various kinds of the oxidized chemical compounds including above materials. As a result, the same characteristic in case of generation of rust is obtained when CrO3 is painted. We conclude that the change of characteristics is caused by the Cr in the rust.
社団法人電気学会の論文