Scholarlink

<p>Hydrogen, a key clean energy carrier, is strategically vital for carbon neutrality and sustainable energy systems. Water electrolysis, a promising hydrogen production method, depends on the HER and OER. Given freshwater scarcity, seawater electrolysis has gained attention due to seawater’s abundance. In transition metal phosphides (TMPs), phosphorus’s high electronegativity facilitates proton capture and lowers hydrogen desorption barriers. Developing phosphide heterostructures with optimized electronic states is crucial for enhancing seawater splitting efficiency. Here, we synthesized FeP<sub>4</sub>/CoP heterostructures from CoFe-PBA and FeCo-LDH precursors via hydrothermal and phosphidation methods. The hollow nanobox-structured catalyst exhibits outstanding OER performance in simulated seawater, requiring only 320&#xa0;mV overpotential for 10&#xa0;mA·cm<sup>−2</sup> with excellent stability. This work presents a simple heterostructure design strategy to boost seawater electrocatalysis, guiding future catalyst development.</p> Graphical Abstract <p></p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Construction of phosphide heterostructures for enhanced electrocatalytic seawater oxidation

  • 期刊论文

  • 发表日期：

    2025年10月30日

查看全文
  • Lijie Zhu,
  • Zuoran Li,
  • Li Liu,
  • Baogang Gao,
  • Zhiwei He,
  • Jiafu Zhong

摘要

Hydrogen, a key clean energy carrier, is strategically vital for carbon neutrality and sustainable energy systems. Water electrolysis, a promising hydrogen production method, depends on the HER and OER. Given freshwater scarcity, seawater electrolysis has gained attention due to seawater’s abundance. In transition metal phosphides (TMPs), phosphorus’s high electronegativity facilitates proton capture and lowers hydrogen desorption barriers. Developing phosphide heterostructures with optimized electronic states is crucial for enhancing seawater splitting efficiency. Here, we synthesized FeP4/CoP heterostructures from CoFe-PBA and FeCo-LDH precursors via hydrothermal and phosphidation methods. The hollow nanobox-structured catalyst exhibits outstanding OER performance in simulated seawater, requiring only 320 mV overpotential for 10 mA·cm−2 with excellent stability. This work presents a simple heterostructure design strategy to boost seawater electrocatalysis, guiding future catalyst development.

Graphical Abstract