Engineered PW12-polyoxometalate docked Fe sites on CoFe hydroxide anode for durable seawater electrolysis
University of Electronic Science and Technology of China · Sichuan University · +4 more institutions
Abstract
Abstract Seawater electrolysis driven by offshore renewable energy is a promising avenue for large-scale hydrogen production but faces challenges in designing robust anodes that suppress surface chlorine reactions and corrosion at high current densities. Here we report a strategy by selectively docking PW 12 -polyoxometalate (PW 12 -POM) onto Fe sites of CoFe hydroxide anode to modulate the electronic structure of adjacent Co active centers and regulate Cl⁻/OH⁻ adsorption for efficient alkaline seawater oxidation. Our CoFe-based anode achieves low overpotentials, high catalytic selectivity, and notable durability, with continuous operation at 1 A cm⁻² for over 1300 hours and at 2 A cm⁻² more than 600 hours.…
Citation impact
- FWCI
- 48.57
- Percentile
- 100%
- References
- 61
Authors
16- XHXun HeCorresponding
University of Electronic Science and Technology of China, Sichuan University, West China Hospital of Sichuan University
- YYYongchao Yao
Sichuan University, West China Hospital of Sichuan University
- MZMin Zhang
Shandong Normal University
- YZYilei Zhou
Shaanxi University of Technology
- LZLimei Zhang
Sichuan University, West China Hospital of Sichuan University
Topics & keywords
- Polyoxometalate
- Anode
- Adsorption
- Hydroxide
- Seawater
- Catalysis
- Electrolysis
- Corrosion
- Life below water