Citation: Ke Wang, Jia Wu, Shuyi Zheng, Shibin Yin. NiCo Alloy Nanoparticles Anchored on Mesoporous Mo2N Nanosheets as Efficient Catalysts for 5-Hydroxymethylfurfural Electrooxidation and Hydrogen Generation[J]. Chinese Journal of Structural Chemistry, ;2023, 42(10): 100104. doi: 10.1016/j.cjsc.2023.100104 shu

NiCo Alloy Nanoparticles Anchored on Mesoporous Mo2N Nanosheets as Efficient Catalysts for 5-Hydroxymethylfurfural Electrooxidation and Hydrogen Generation

Construction of highly active and stable bifunctional catalysts for 5 hydroxymethylfurfural oxidation reaction (HMFOR) and hydrogen evolution reaction (HER) is meaningful but remains a challenge. Herein, the NiCo–Mo2N heterostructure nanosheets catalyst with excellent HMFOR/HER performance is obtained by a simple hydrothermal and calcination method. The heterogeneous interface between NiCo and Mo2N induces electron redistribution, regulating the electronic structure of the catalyst and thus optimizing the adsorption/desorption behavior of HMFOR/HER intermediates. Consequently, NiCo–Mo2N/NF exhibits superior catalytic activity with a potential of 1.14 VRHE/ 17 mVRHE (HMFOR/HER) at 10 mA cm–2, and the HMF conversion rate, FDCA yield, and Faradaic efficiency (FE) are ~100%, 99.98%, and 98.65%, respectively. Besides, it only requires a low voltage of 1.36 V to achieve 100 mA cm–2 for HMFOR-assisted H2 production. This study provides a strategy for the development of efficient bifunctional catalysts for sustainable production of high value-added products and hydrogen.
- 5-Hydroxymethylfurfural electrooxidation,
- Catalyst,
- Transition metal nitride,
- Mesoporous,
- Biomass conversion
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