Fe–Co₂P@MXene Electrocatalyst

Low Overpotential, Long Life

Synergistic multi-phase hierarchical structure on a conductive substrate imparts superhydrophilic and gas-repellent properties, accelerating hydrogen release.

Yuanyuan, Lai · Shouyi, Wang · Ronghao, Xue · Zhang, Xinyan · Wang, Tingting · Yin, Duanduan · Dong, Xiangting · Ying, Yang

International Journal of Hydrogen Energy 2026

Specifications

Overpotential

{'zh': '67.7', 'en': '67.7'} mV

Cell voltage

{'zh': '1.58', 'en': '1.58'} V

Stability

{'zh': '96', 'en': '96'} h

Advantages

Low overpotential

Requires only 67.7 mV overpotential at 10 mA cm⁻², improving energy conversion efficiency.

Stable for 96 h

Maintains performance over 96 h of continuous operation, meeting industrial durability requirements.

Rapid gas release

Superhydrophilic and gas-repellent properties accelerate hydrogen bubble release, preventing active site blockage.

Low cell voltage

When paired with NiFe-LDH/NF, a cell voltage of only 1.58 V drives 10 mA cm⁻², reducing energy consumption.

Applications

• Water Electrolysis：Serves as an efficient HER cathode to lower energy consumption in water electrolysis.
• Hydrogen Energy：Enables large-scale hydrogen production with stability and low cost.
• Electrocatalysis：Demonstrates a design strategy of multi-phase hierarchical structure as a model catalyst.