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Updated: Jan 25, 2026

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Preparation of Binary and Ternary Deep Eutectic Systems
Published on: October 31, 2019
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从使用过的NCM阴极中协同有效地出贵金属,使用一种新型无酸性深溶剂
Maoting Yu1, Chengping Li2, Ailin Xu1
1Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China.
Waste management (New York, N.Y.)
|January 23, 2026
概括
一种新的无深溶剂 (DES) 有效地回收电动汽车的离子电池. 这种绿色方法可以实现高金属回收 (>99%) 而不会污染环境,为电池废物提供可持续的解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
- 环境科学 环境科学
背景情况:
- 电动汽车 (EV) 的扩张需要对离子电池 (LIBS) 进行可持续的寿命终止管理.
- 传统的水电金回收面临着挑战,包括因强烈试剂而导致的二次污染和设备腐蚀.
- 现有的深溶解剂 (DES) 常常依赖化物系统,因此有污染的风险,需要无化物替代品.
研究的目的:
- 开发和优化一种新的,无化物DES,用于高效和环保的废弃LIB回收.
- 为了研究各种LIB阴极化学物质中开发的DES的浸出性能和动力学.
- 用计算方法阐明金属漏的潜在机制.
主要方法:
- 使用三甲基甘氨酸 (TMG) 和甘油酸 (GA) 合成了无化物DES.
- 使用响应表面方法 (RSM) 来优化浸出参数 (时间,摩尔比率,固体-液体比率,温度).
- 动力学研究和密度函数理论 (DFT) 计算被用来理解漏机制.
主要成果:
- 在优化的条件下,NCM111阴极的Li,Ni,Co和Mn的漏效率达到了>99%.
- 该DES证明了广泛的适用性,从各种阴极材料中回收>94%.
- 漂水动力学是由表面化学反应决定的,DFT揭示了协同作用的降解化机制.
结论:
- 开发的TMG-GA DES为LIB回收提供了一个高效,可回收和环保的替代品.
- 这种无化物方法减轻了与传统方法相关的污染风险.
- 这项研究提供了机械学的理解,为可持续的电池循环化铺平了道路.
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