Recycling Technologies for Waste Batteries and Their Impact on Environmental and Resource Sustainability

随着科技进步和人们生活水平的提高，电池作为重要的能源存储设备，在移动电子设备、电动汽车和可再生能源存储等领域得到广泛应用。然而，电池的使用寿命有限，大量废旧电池的产生给环境带来了严重威胁。废弃电池中含有重金属和有害化学物质，若处理不当，不仅会对生态系统造成长期污染，还会威胁人类健康，并且浪费电池中含有的锂、钴、镍等稀缺金属资源。因此，从环境保护和资源利用的角度考虑，如何有效处理并回收利用废弃电池，对于实现资源循环和可持续发展具有重要意义。为此，本文分析了电池的主要类型、结构及其危害，总结了当前主要电池类型的回收技术，详细介绍了四种主要废旧电池回收利用的新技术，并分析了不同回收工艺的原理、流程与效率。我们发现金属的浸出与提取在整个回收过程中尤为关键。最后，本文总结并展望了未来回收工艺的发展趋势与对策。With the advancement of science and technology and the improvement of people’s living standards, batteries, as an important energy storage device, have been widely used in the fields of mobile electronic devices, electric vehicles and renewable energy storage. However, the service life of batteries is limited, and the generation of a large number of waste batteries poses a serious threat to the environment. Waste batteries contain heavy metals and harmful chemicals, which, if not properly handled, will not only cause long-term pollution to the ecosystem, but also threaten human health, and waste rare metal resources such as lithium, cobalt and nickel contained in batteries. Therefore, from the perspective of environmental protection and resource utilization, how to effectively treat and recycle waste batteries is of great significance for the realization of resource recycling and sustainable development. To this end, this paper analyzes the main types, structures and hazards of batteries, summarizes the current recycling technologies of main types of batteries, introduces in detail four new technologies for recycling waste batteries, and analyzes the principles, processes and efficiencies of different recycling processes. We found that metal leaching and extraction is particularly critical in the overall recovery process. Finally, this paper summarizes and looks forward to the future development trend and countermeasures of recycling technology.