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使用基酸盐从片中剥离阴极材料:可行性和机制分析

Junyi Wang¹, Qi Zhao¹, Yixuan Wang¹

¹Department of Civil Engineering, The University of Hong Kong, Hong Kong, Hong Kong Special Administrative Region of China.

Waste management (New York, N.Y.)

|September 2, 2025

概括

本研究提出了一种高效的三乙烯酸盐 (TEP) 方法,用于从离子电池 (LIB) 片中剥离阴极材料. 优化过程实现了高剥离效率和TEP可重复使用性,为电池回收提供了成本效益的解决方案.

科学领域:

材料科学
化学工程
环境科学

背景情况:

电动汽车市场的增长推动了离子电池 (LIB) 的生产和浪费.
有效的LIB回收对于资源回收和环境保护至关重要.
从中去除阴极材料是一个关键但具有挑战性的回收步骤.

研究的目的:

开发一种简单,经济有效和高效的方法来从LIB片中剥离阴极.
评估三乙烯酸盐 (TEP) 作为剥离溶剂的性能和可重复使用性.
提供关于可持续LIB回收的剥离机制的见解.

主要方法:

使用三乙 (TEP) 的优化有机溶剂方法.
在80°C的温度下进行热处理,每分钟100转,持续20分钟.
机械分析以了解剥离过程.

主要成果:

实现了95.27%的持续剥离效率.
在10个溶剂循环后保持超过89%的效率,证明TEP可重复使用.
主要是由热溶解驱动的脱落,而不是化学降解.

结论:

对于工业规模的LIB阴极剥离,TEP提供了一种实用,具有成本效益和高效的解决方案.
开发的方法具有温和的加工条件和减少化学品的消耗.
这项工作促进了LIB回收的可持续预处理过程.

关键词:

阴极离子电池聚乙烯化物脱衣方式三乙烯酸盐

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