一个超快的反应过程,用于回收离子电池通过电池相互作用
Long Ye1, Zhilong Xu1, Haiqiang Gong1
1National Engineering Laboratory for High-Efficiency Recovery of Refractory Nonferrous Metals, School of Metallurgy and Environment, Central South University Changsha 410083 PR China ouxing@csu.edu.cn.
Chemical science
|November 29, 2024
概括
本研究介绍了一种氨洗方法,用于有效地循环回收使用过的离子电池 (LIB). 这种方法加速金属回收,简化再生,减少对环境的影响.
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:
- 使用过的离子电池 (LIB) 由于复杂的基于酸的浸和净化过程,造成了回收挑战.
- 现有的方法涉及单独的酸/溶液,增加化学品消耗和环境负担.
- 需要一个统一的LIB回收和阴极前体再生过程.
研究的目的:
- 开发使用氨出水的短过程封闭循环回收方法,用于消耗的LIB.
- 为了实现高效的杂质去除和正极前体的直接合成.
- 与传统方法相比,提高漏效率并降低环境成本.
主要方法:
- 使用氨浸出与电细胞相互作用以改善反应动力学.
- 优化漏条件,以快速提取有价值的金属.
- 通过共同沉净化了液溶液,用于通过共同沉直接合成阴极前体.
主要成果:
- 在10分钟内达到高炼效率 (>80%的金属提取1分钟内).
- 在氨溶液中被证明有效地去除杂质.
- 直接从净化的液中成功合成了正极前体.
结论:
- 与电相互作用的氨浸出为LIB回收提供了更快,更有效,更环保的替代方案.
- 这种方法使得一个简化的闭环过程,集成金属回收和前体再生在气氛.
- 拟议的方法为大规模的LIB回收和材料再生提供了有竞争力的解决方案.
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