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- Title
Cross-Linked CoMoO<sub>4</sub>/rGO Nanosheets as Oxygen Reduction Catalyst.
- Authors
Jiaqi Fu; Jiang-Li Meng; Mei-Jie Wei; Hong-Ying Zang; Hua-Qiao Tan; Yong-Hui Wang; Miras, Haralampos N.; Yang-Guang Li
- Abstract
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.
- Subjects
COBALT compounds; OXYGEN reduction; ELECTROCATALYSTS
- Publication
Catalysts (2073-4344), 2017, Vol 7, Issue 12, p375
- ISSN
2073-4344
- Publication type
Article
- DOI
10.3390/catal7120375