Cross-Linked CoMoO4/rGO Nanosheets as Oxygen Reduction Catalyst

Jiaqi Fu; Jiang-Li Meng; Mei-Jie Wei; Hong-Ying Zang; Hua-Qiao Tan; Yong-Hui Wang; Haralampos N. Miras; Yang-Guang Li

doi:10.3390/catal7120375

Catalysts (Dec 2017)

Cross-Linked CoMoO4/rGO Nanosheets as Oxygen Reduction Catalyst

Jiaqi Fu,
Jiang-Li Meng,
Mei-Jie Wei,
Hong-Ying Zang,
Hua-Qiao Tan,
Yong-Hui Wang,
Haralampos N. Miras,
Yang-Guang Li

Affiliations

Jiaqi Fu: Key Laboratory of Polyoxometalate Science of Ministry of Education, Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
Jiang-Li Meng: Key Laboratory of Polyoxometalate Science of Ministry of Education, Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
Mei-Jie Wei: Key Laboratory of Polyoxometalate Science of Ministry of Education, Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
Hong-Ying Zang: Key Laboratory of Polyoxometalate Science of Ministry of Education, Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
Hua-Qiao Tan: Key Laboratory of Polyoxometalate Science of Ministry of Education, Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
Yong-Hui Wang: Key Laboratory of Polyoxometalate Science of Ministry of Education, Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
Haralampos N. Miras: School of Chemistry, The University of Glasgow, Galsgow G12 8QQ, UK
Yang-Guang Li: Key Laboratory of Polyoxometalate Science of Ministry of Education, Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China

DOI: https://doi.org/10.3390/catal7120375
Journal volume & issue: Vol. 7, no. 12
p. 375

Abstract

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Development of inexpensive and robust electrocatalysts towards oxygen reduction reaction (ORR) is crucial for the cost-affordable manufacturing of metal-air batteries and fuel cells. Here we show that cross-linked CoMoO4 nanosheets and reduced graphene oxide (CoMoO4/rGO) can be integrated in a hybrid material under one-pot hydrothermal conditions, yielding a composite material with promising catalytic activity for oxygen reduction reaction (ORR). Cyclic voltammetry (CV) and linear sweep voltammetry (LSV) were used to investigate the efficiency of the fabricated CoMoO4/rGO catalyst towards ORR in alkaline conditions. The CoMoO4/rGO composite revealed the main reduction peak and onset potential centered at 0.78 and 0.89 V (vs. RHE), respectively. This study shows that the CoMoO4/rGO composite is a highly promising catalyst for the ORR under alkaline conditions, and potential noble metal replacement cathode in fuel cells and metal-air batteries.

Published in Catalysts

ISSN: 2073-4344 (Online)
Publisher: MDPI AG
Country of publisher: Switzerland
LCC subjects: Technology: Chemical technology; Science: Chemistry
Website: https://www.mdpi.com/journal/catalysts

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