Efficient methane electrocatalytic conversion over a Ni-based hollow fiber electrode

doi:10.1016/S1872-2067(20)63548-3

Abstract

Abstract: Natural gas and shale gas, with methane as the main component, are important and clean fossil energy resources. Direct catalytic conversion of methane to valuable chemicals is considered a crown jewel topic in catalysis. Substantial studies on processes including methane reforming, oxidative coupling of methane, non-oxidative coupling of methane, etc. have been conducted for many years. However, owing to the intrinsic chemical inertness of CH₄, harsh reaction conditions involving either extremely high temperatures or highly oxidative reactants are required to activate the C–H bonds of CH₄ in such thermocatalytic processes, which may cause the target products, such as ethylene or methanol, to be further converted into coke or CO and CO₂. It is desirable to adopt a new strategy for direct CH₄ conversion under mild conditions. Herein, we report that efficient electrocatalytic oxidation of methane to alcohols at ambient temperature and pressure can be achieved using a NiO/Ni hollow fiber electrode. This work opens a new avenue for direct catalytic conversion of CH₄.

Key words: Methane, Electrocatalytic conversion, Nickel, Nickel oxide, Hollow fiber

Zhikai Guo, Wei Chen, Yanfang Song, Xiao Dong, Guihua Li, Wei Wei, Yuhan Sun. Efficient methane electrocatalytic conversion over a Ni-based hollow fiber electrode[J]. Chinese Journal of Catalysis, 2020, 41(7): 1067-1072.

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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(20)63548-3

https://www.cjcatal.com/EN/Y2020/V41/I7/1067

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