The Bipolar Mode of One-Step Plasma Electrochemical Synthesis of Few Layer Graphene Structures Decorated with Transition Metal Oxidesстатья
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Дата последнего поиска статьи во внешних источниках: 26 января 2022 г.
Аннотация:A bipolar electrochemistry approach was utilized to simultaneously obtain two types of nanocomposites (FLGS/Co3O4 and FLGS/Mn3O4) significantly different in the morphology and chemical composition of the surface layer. Catalytic activity towards oxygen reduction reaction of mixed composites obtained by combining FLGS/Co3O4 and FLGS/Mn3O4 in different proportions (1 : 1, 2 : 1, 1 : 2) was studied. A mixed FLGS/Co3O4/Mn3O4(1:1) composite demonstrated high catalytic activity towards oxygen reduction reaction and outstanding long-term stability which is superior to commercial Pt/C catalyst.We present the method of conjugated bipolar plasma electrochemical synthesis of aqueous suspensions of composites of few-layer graphene structures with Co3O4 and Mn3O4 oxides and creation of mixed electrocatalysts based on them. As shown by the rotating disk electrode method, the best catalytic activity towards oxygen reduction reaction exceeding that for each individual component is demonstrated by the composition containing equal amounts of these composites.