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上循环使用的铁酸盐电池变成Fe-CN₃P单原子催化剂用于环境修复

Xianhui Ke¹, Kun Qian¹, Xiaoning Li²

¹School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou, P.R. China.

Angewandte Chemie (International ed. in English)

|February 27, 2026

概括

这项研究使用电化学先进氧化过程 (EAOP) 来从已耗尽的铁酸盐 (LFP) 电池中恢复关键资源. 由此产生的催化剂有效降解双A (BPA),提供可持续的废物处理解决方案.

科学领域:

材料科学材料科学材料科学
环境化学环境化学
催化剂是一种催化剂.

背景情况:

越来越多的环境污染和资源短缺需要先进的废物回收技术.
使用过的铁酸盐 (LFP) 电池代表了含有宝贵关键资源的大量废物流.

研究的目的:

开发一种技术,从使用过的LFP电池中全面回收资源.
从电池废物中合成一种新的催化剂,以有效降解污染物.

主要方法:

电化学 (EC) 先进氧化工艺 (EAOPs) 用于从使用过的LFP电池中出和铁.
洗后的残留物转化为P,N-化不对称的单原子Fe催化剂 (Fe-CN3P).
用氧硫酸盐 (PMS) 激活Fe-CN3P催化剂,以降解双A (BPA),并进行机械研究.

主要成果:

实现了高水率:的99.16%和铁的97.37%.
合成的Fe-CN3P催化剂表现出优越的BPA降解动力学 (伪第一阶速率为10.768分−1),比传统的单原子催化剂高2-10倍.
实验和理论研究表明,合并通过改变吸附和增加电子吸收能力,显著增强了Fe位点的催化活性.

结论:

电化学先进的氧化工艺使使用过的LFP电池能够有效地回收资源.
衍生的P,N-化Fe催化剂在降解BPA方面非常有效,为废物衍生材料展示了一个新的应用.
在提高单原子铁催化剂的催化性能方面起着至关重要的作用,用于环境修复.

关键词:

环境协调环境协调过氧单硫酸盐的激活方式一个原子的催化剂.使用过的离子电池.上循环是指上循环.

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