| About this Abstract |
| Meeting |
2024 TMS Annual Meeting & Exhibition
|
| Symposium
|
Process Metallurgy and Environmental Engineering: An EPD Symposium in Honor of Takashi Nakamura
|
| Presentation Title |
Separation and Recovery of Positive Electrode Active Materials from Lithium-ion Battery Using Pulsed Discharge |
| Author(s) |
Taketoshi Koita, Moe Nakahara, Takao Namihira, Chiharu Tokoro |
| On-Site Speaker (Planned) |
Taketoshi Koita |
| Abstract Scope |
The study of separation and recovery of positive electrode active materials containing valuable metals from lithium-ion batteries (LiBs) is necessary in material recycling due to the increasing disposal volume of LiBs with the expansion of electric vehicle market. Our laboratory has been studied the application of pulsed discharge to the separation. The active material layer was delimited from the electric collector of aluminum foil in LiB by the Joule heating caused by the current of discharge. Analysis of recovered active materials indicated that the materials exhibited no changes in chemical bonding by comparing the virgin one, which suggesting the potential for direct recycling of recovered materials to LiBs. The study of life cycle assessment reported that pulsed discharge had an advantage over the separation using thermal treatment in terms of carbon neutrality because of the lower power consumption of discharge. This study presents the detail separation mechanism and analysis results. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Recycling and Secondary Recovery, Sustainability, Thin Films and Interfaces |