Recovery Concept of Value Metals from Automotive Lithium‐Ion Batteries

作者：Thomas Träger, Bernd G. Friedrich, Reiner Weyhe · 发表于：Chemie Ingenieur Technik · 年份：2015 · DOI：10.1002/cite.201500066 · 被引用次数：116 · 研究领域：Extraction and Separation Processes、Advancements in Battery Materials、Recycling and Waste Management Techniques

Abstract A recycling process for automotive lithium‐ion batteries was developed. The process combines a mechanical pretreatment with pyrometallurgical recycling process step to recover all battery components, and realize cost‐neutral and sustainable recycling. The focus of the research work is the development of a pyrometallurgical process step to recover especially Li out of electrode mass powder which is the fine fraction extracted mechanically from spent Li‐ion batteries. Two metallurgical treatment technologies were investigated: direct vacuum evaporation of Li and recovery of metallic Li by distillation, and a selective entraining gas evaporation of Li and recovery of lithium oxide.