Perfecting EV battery recycling process

​Recycling of electric car batteries can be easier, cheaper, and more environmentally friendly, according to a new scientific article from Chalmers University of Technology, Sweden, which outlines an optimised recycling process. The research, published in the journal Waste Management, has been carried out by some of the world's foremost experts in the field, and represents a vital step towards the electromobility society of the future. ​As the use of electric vehicles (EVs) increases, recycling and recovery processes for EV batteries and the critical raw metals used in their production are becoming an increasingly important area of research. One method that currently attracts a lot of interest is a combination of thermal pretreatment and hydrometallurgy, in which aqueous chemistry is used to recover the metals. Several companies are developing systems that will use this combination, but the researchers at Chalmers University of Technology, Sweden, discovered that these companies use widely differing temperatures and times in their processes, and that there was a great need for a comparative study to determine the optimal thermal treatment and hydrometallurgical process for recycling lithium-ion batteries.