The large-scale application of water electrolysis for H_(2) production is hindered by the sluggish kinetics of the anodic oxygen evolution reaction(OER).To improve the efficiency of water electrolyzers,numerous effort...The large-scale application of water electrolysis for H_(2) production is hindered by the sluggish kinetics of the anodic oxygen evolution reaction(OER).To improve the efficiency of water electrolyzers,numerous efforts have been devoted to developing robust OER catalysts.Among them,Ni-based materials have been identified as state-of-the-art catalysts in alkaline conditions due to their high catalytic activity[1,2].During OER,these catalysts can undergo surface reconstruction and form(oxy)hydroxide species on the surface,which is the real active phase and its chemistry determines the OER performance[3].展开更多
In the global transition toward sustainable hydrogen production,water electrolysis has emerged as a key technology for generating high-purity hydrogen from renewable sources[1-3].However,its overall efficiency is limi...In the global transition toward sustainable hydrogen production,water electrolysis has emerged as a key technology for generating high-purity hydrogen from renewable sources[1-3].However,its overall efficiency is limited by the sluggish kinetics and high overpotential of the anodic oxygen evolution reaction(OER)[4].Moreover,oxygen,the product of OER,has minimal commercial value,which undermines the economic viability of large-scale hydrogen generation[5].展开更多
文摘The large-scale application of water electrolysis for H_(2) production is hindered by the sluggish kinetics of the anodic oxygen evolution reaction(OER).To improve the efficiency of water electrolyzers,numerous efforts have been devoted to developing robust OER catalysts.Among them,Ni-based materials have been identified as state-of-the-art catalysts in alkaline conditions due to their high catalytic activity[1,2].During OER,these catalysts can undergo surface reconstruction and form(oxy)hydroxide species on the surface,which is the real active phase and its chemistry determines the OER performance[3].
基金funding from the National Key R&D Program of China(Nos.2023YFA1507201 and 2024YFA1510700)the National Natural Science Foundation of China(No.22579175).
文摘In the global transition toward sustainable hydrogen production,water electrolysis has emerged as a key technology for generating high-purity hydrogen from renewable sources[1-3].However,its overall efficiency is limited by the sluggish kinetics and high overpotential of the anodic oxygen evolution reaction(OER)[4].Moreover,oxygen,the product of OER,has minimal commercial value,which undermines the economic viability of large-scale hydrogen generation[5].
