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

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

Zhikai Guo ^a,b, ,
Wei Chen ^a ,
Yanfang Song ^a ,
Xiao Dong ^a ,
Guihua Li ^a ,
Wei Wei ^a,c ,
Yuhan Sun ^a,c

a CAS Key Laboratory of Low-carbon Conversion Science and Engineering, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China;
b University of Chinese Academy of Sciences, Beijing 100049, China;
c School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China

Received Date: 25 September 2019

Fund Project: This work was supported by the National Natural Science Foundation of China (91745114, 21802160), the Ministry of Science and Technology of China (2016YFA0202800, 2018YFB0604700), Shanghai Sailing Program (18YF1425700), Shanghai Advanced Research Institute Innovation Research Program (Y756812ZZ1, Y756803ZZ1), and Shanghai Functional Platform for Innovation Low Carbon Technology.

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.
- Methane,
- Electrocatalytic conversion,
- Nickel,
- Nickel oxide,
- Hollow fiber
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