Construction of Synergistic Ni3S2 ‐MoS2 Nanoheterojunctions on Ni Foam as Bifunctional Electrocatalyst for Hydrogen Evolution Integrated with Biomass Valorization

In this study, a Ni3S2-MoS2 nanoheterojunction catalyst with strong electronic interactions is prepared. It exhibits high efficiency for both the HER and the electrooxidation of 5-hydroxymethylfurfural (HMF). In a two-electrode cell with Ni3S2-MoS2 serving as both the anode and cathode, the potential is only 1.44  V at a current density of 10 mA cm−2, which is much lower than that of pure water splitting. Density functional theory calculations confirm that the strong chemisorption of H and HMF at the interface leads to outstanding electrocatalytic activity. The findings not only provide a strategy for developing efficient electrocatalysts, but also provide an approach for the continuous production of high value-added products and H2.

Source: Small - May 16, 2022 Category: Nanotechnology Authors: Shaowei Yang, Ying Guo, Yike Zhao, Ling Zhang, Haidong Shen, Jinhui Wang, Jinjin Li, Chen Wu, Wenbin Wang, Yueling Cao, Sifei Zhuo, Qiuyu Zhang, Hepeng Zhang Tags: Research Article Source Type: research