Amorphous Ni-Fe Phosphide@WS₂ Electrocatalyst

1.67 V for Overall Water Splitting

Covalent doping of amorphous Ni-Fe phosphide onto WS₂ nanosheets tunes the electronic structure and lowers the O* to OOH* barrier, boosting both HER and OER for efficient overall water splitting.

Yiqing, Zhang · Liang, Junhui · Luo, Gan · Yao, Xin · Xiang, Ding · Wei, Wei · Chen, Huayu · Qin, Laishun · Huang, Yuexiang · Chen, Da

Energy & Fuels 2023

Specifications

OER overpotential
{'zh': '10', 'en': '10'} mA/cm²
HER overpotential
{'zh': '10', 'en': '10'} mA/cm²

Advantages

Achieves 10 mA/cm² at 1.67 V

STH efficiency of 8.49% when coupled with triple-junction solar cell