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Keywords = Mn3O4-CeO2-rGO

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11 pages, 7158 KiB  
Article
Fabrication of Mn3O4-CeO2-rGO as Nanocatalyst for Electro-Oxidation of Methanol
by Mohammad Bagher Askari, Seyed Mohammad Rozati and Antonio Di Bartolomeo
Nanomaterials 2022, 12(7), 1187; https://doi.org/10.3390/nano12071187 - 2 Apr 2022
Cited by 33 | Viewed by 2546
Abstract
Recently, the use of metal oxides as inexpensive and efficient catalysts has been considered by researchers. In this work, we introduce a new nanocatalyst including a mixed metal oxide, consisting of manganese oxide, cerium oxide, and reduced graphene oxide (Mn3O4 [...] Read more.
Recently, the use of metal oxides as inexpensive and efficient catalysts has been considered by researchers. In this work, we introduce a new nanocatalyst including a mixed metal oxide, consisting of manganese oxide, cerium oxide, and reduced graphene oxide (Mn3O4-CeO2-rGO) by the hydrothermal method. The synthesized nanocatalyst was evaluated for the methanol oxidation reaction. The synergetic effect of metal oxides on the surface of rGO was investigated. Mn3O4-CeO2-rGO showed an oxidation current density of 17.7 mA/cm2 in overpotential of 0.51 V and 91% stability after 500 consecutive rounds of cyclic voltammetry. According to these results, the synthesized nanocatalyst can be an attractive and efficient option in the methanol oxidation reaction process. Full article
(This article belongs to the Special Issue Multifunctional Nanomaterials for Energy Applications)
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