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Upcycling Low-Nickel Polycrystalline Cathodes from Retired Electric Vehicle Batteries

Guannan Qian, Zhiyuan Li

2018Englishbatteriesenergy storageelectrochemistrybattery recyclinglithium-ion batteriescathode materials

Abstract

Language:

The electrification revolution in the automobile industry and other sectors demands an annual production capacity of batteries on the order of 10² gigawatt-hours, posing a significant challenge for the supply of essential materials like cobalt and nickel, as well as their recycling at the end of the battery life cycle. Current methods, such as pyrometallurgical and hydrometallurgical recycling, are often hindered by complexities, high costs, and secondary pollution. This study presents a direct-recycling method using molten salts (MSDR) that is both environmentally friendly and economically viable, supported by a techno-economic analysis utilizing real-world data and price information. We demonstrate the practicality of MSDR by converting low-nickel polycrystalline LiNi0.5Mn0.3Co0.2O2 (NMC) cathode material, frequently used in early electric vehicles, into nickel-rich (Ni > 65%) single-crystal NMCs. The resultant single-crystal cathodes exhibit an increase in energy density of more than 10%, highlighting the method's potential to enhance performance while promoting sustainable recycling practices.

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Cite This Work

@article{13c75ef4-03c2-4767-b64b-58a493109111,
  title={Upcycling Low-Nickel Polycrystalline Cathodes from Retired Electric Vehicle Batteries},
  author={Guannan Qian and Zhiyuan Li},
  year={2018},
  language={English}
}
TY  - JOUR
TI  - Upcycling Low-Nickel Polycrystalline Cathodes from Retired Electric Vehicle Batteries
AU  - Guannan Qian
AU  - Zhiyuan Li
PY  - 2018
LA  - English
ER  -

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