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Electroreduction of nitric oxide to ammonia at chemically modified electrodes
Authors:Kotaro Ogura  Shinji Yamasaki
Affiliation:(1) Department of Applied Chemistry, Yamaguchi University, 755 Ube, Japan
Abstract:
The electroreduction of NO has been studied using various modified electrodes with the mediators including cobalt phthalocyanine(CoPc) and a redox polymer. Selective conversion of NO into ammonia was obtained at a CoPc-coated glassy carbon electrode with a maximum selectivity of 92.3%. A similar result was obtained with a Pc-coated electrode, but the yield of ammonia was not so high as with the CoPc-coated electrode. A bright platinum as well as Fe(II)-poly(4-vinylpyridine) film-coated nesa glass was less active for the NO conversion into ammonia.
Keywords:
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