通过接口工程构建Core@Shell Ir-FeSe@CoNiFeSe,并与原子兴奋剂一起用于增强氧气进化反应
Nannan Zhang1, Wanyu Liang1, Shujin Li1
1College of Chemistry, Chemical Engineering, and Materials Science, Soochow University, Suzhou 215123, China.
Inorganic chemistry
|December 6, 2025
概括
接口工程和原子兴奋剂为氧气演化反应 (OER) 创造了高效的催化剂. 化化FeSe@CoNiFeSe显示出非凡的OER性能和耐久性,推进了电催化.
科学领域:
- 材料科学 材料科学 材料科学
- 电化学 电化学 电化学
- 催化剂是一种催化剂.
背景情况:
- 接口工程和原子兴奋剂是开发高效氧演化反应 (OER) 催化剂的关键策略.
- 优化催化剂活性位点和电子特性对于增强催化活性和稳定性至关重要.
研究的目的:
- 设计和合成一种新的Ir-doped FeSe@CoNiFeSe催化剂,将OER的核心@外封闭,异质接口和原子兴奋剂集成在一起.
- 研究这些策略对催化性能和水分裂的协同效应.
主要方法:
- 合成铁化FeSe@CoNiFeSe核心@外纳米结构.
- 电化学表征包括OER在性介质中的性能测试.
- 在两电极配置中评估整体水分效率.
主要成果:
- 伊尔-FeSe@CoNiFeSe催化剂表现出极好的OER活性,在10 mA cm−2时具有209 mV的低超电位,耐用时间超过70小时.
- 催化剂在整体水分裂中表现出卓越的性能,仅需1.44V在10mA cm-2.2时.
- 来自核心@shell结构,异质接口和Ir doping的协同效应显著增强了电荷转移和催化动力学.
结论:
- 该Ir-FeSe@CoNiFeSe催化剂有效地利用了接口工程和原子兴奋剂的综合优势,以提高电催化性能.
- 这项工作突出了结合结构设计和兴奋剂策略的潜力,以创建用于能源转换应用的先进催化剂.
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