Thermochemical conversion of CO2 into CH4 using oxygen deficient NiFe2O4−δ with unique selectivity

Linyan Liu; Yao Cheng; Zhifu Liu; Minh Ngoc Ha; Qiangsheng Guo; Zhe Zhao

doi:10.1039/C6RA20473B

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Thermochemical conversion of CO₂ into CH₄ using oxygen deficient NiFe₂O_4−δ with unique selectivity†

Linyan Liu,‡^a Yao Cheng,‡^a Zhifu Liu,

*^a Minh Ngoc Ha,^ac Qiangsheng Guo^ab and Zhe Zhao*^ad

Author affiliations

* Corresponding authors

^a School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 201418, China
E-mail: liuzf@sit.edu.cn

^b School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China

^c Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, China

^d Department of Materials Science and Engineering, KTH Royal Institute of Technology, SE 100 44, Stockholm, Sweden
E-mail: zhezhao@kth.se

Abstract

NiFe₂O₄ nanoparticles with a high concentration of oxygen vacancies were synthesized via a solvothermal route. The morphology and oxygen vacancies of the catalyst was changed by adjusting the ratio of ethylene glycol (EG) in the mixture solvent. Water was used as a hydrogen source, the thermal catalytic performance of NiFe₂O₄ was up to 357.6 μmol g⁻¹ of CH₄ evolution under low temperature conditions. These findings may further broaden the horizon for CO₂ reduction using the oxygen nonstoichiometry strategy.

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Article information

DOI: https://doi.org/10.1039/C6RA20473B
Article type: Communication
Submitted: 13 Aug 2016
Accepted: 29 Aug 2016
First published: 30 Aug 2016

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RSC Adv., 2016,6, 83814-83819

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Thermochemical conversion of CO₂ into CH₄ using oxygen deficient NiFe₂O_4−δ with unique selectivity

L. Liu, Y. Cheng, Z. Liu, M. N. Ha, Q. Guo and Z. Zhao, RSC Adv., 2016, 6, 83814 DOI: 10.1039/C6RA20473B

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