废锂离子电池回收的基本原理

IF 40.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Chemical Society Reviews Pub Date : 2024-10-29 DOI:10.1039/d4cs00362d
Pengwei Li, Shaohua Luo, Yicheng Lin, Jiefeng Xiao, Xiaoning Xia, Xin Liu, Li Wang, Xiangming He
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引用次数: 0

摘要

由于电动汽车和便携式电子产品的广泛使用,废旧锂离子电池(LIB)的数量不断增加,本综述通过提供废旧锂离子电池回收利用的理论基础和技术支持,讨论了电池回收利用的基本原理在应对这一挑战中的关键作用,包括电池分类、超声波探伤、预处理(如放电、机械破碎和物理分离)、电解液回收、直接再生以及理论计算和模拟。物理化学原理对于通过筛分、磁选和浮选等方法有效分离不同成分至关重要。电解质回收包括通过先进的物理和化学技术分离和提纯电解质。直接再生技术在微观尺度上恢复电极材料的结构,需要精确控制材料的物理状态和晶体结构。相变、溶解度和扩散等物理过程是固态烧结、共晶盐处理和水热法等技术的基础。理论计算和模拟有助于预测材料在回收过程中的行为,从而指导工艺优化。这篇综述为了解和改进回收过程提供了见解,强调了物理化学原理在解决环境和能源问题方面的核心作用。它对促进废锂电池回收工艺的创新具有重要价值,有望激发研究人员和制造商的兴趣。
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Fundamentals of the recycling of spent lithium-ion batteries
This review discusses the critical role of fundamentals of battery recycling in addressing the challenges posed by the increasing number of spent lithium-ion batteries (LIBs) due to the widespread use of electric vehicles and portable electronics, by providing the theoretical basis and technical support for recycling spent LIBs, including battery classification, ultrasonic flaw detection, pretreatment (e.g., discharging, mechanical crushing, and physical separation), electrolyte recovery, direct regeneration, and theoretical calculations and simulations. Physical chemistry principles are essential for achieving effective separation of different components through methods like screening, magnetic separation, and flotation. Electrolyte recovery involves separation and purification of electrolytes through advanced physical and chemical techniques. Direct regeneration technology restores the structure of electrode materials at the microscopic scale, requiring precise control of the physical state and crystal structure of the material. Physical processes such as phase changes, solubility, and diffusion are fundamental to techniques like solid-state sintering, eutectic-salt treatment, and hydrothermal methods. Theoretical calculations and simulations help predict the behaviour of materials during recycling, guiding process optimization. This review provides insights into understanding and improving the recycling process, emphasizing the central role of physical chemistry principles in addressing environmental and energy issues. It is valuable for promoting innovation in spent LIB recycling processes and is expected to stimulate interest among researchers and manufacturers.
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来源期刊
Chemical Society Reviews
Chemical Society Reviews 化学-化学综合
CiteScore
80.80
自引率
1.10%
发文量
345
审稿时长
6.0 months
期刊介绍: Chemical Society Reviews is published by: Royal Society of Chemistry. Focus: Review articles on topics of current interest in chemistry; Predecessors: Quarterly Reviews, Chemical Society (1947–1971); Current title: Since 1971; Impact factor: 60.615 (2021); Themed issues: Occasional themed issues on new and emerging areas of research in the chemical sciences
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