Methods and systems for scalable direct recycling of battery waste

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12266772
APP PUB NO 20230369671A1
SERIAL NO

18314873

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Abstract

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Embodiments described herein relate to methods of recycling battery waste. In some aspects, a method can include applying a first heat treatment at a temperature of between about 100° C. and about 700° C. to the battery waste, the first heat treatment decomposing at least about 80 wt % of the binder, separating the electrode material from the current collector, and applying a second heat treatment at a temperature between about 400° C. and about 1,200° C. to the electrode material to produce a regenerated electrode material, the second heat treatment decomposing at least 90 wt % of binder remaining in the electrode material to produce a regenerated electrode material. In some embodiments, the method can include applying a surface treatment to the electrode material to remove surface coatings and/or surface impurities from the electrode material. In some embodiments, the surface treatment can include applying a solvent to the electrode material.

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Patent Owner(s)

  • LI INDUSTRIES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ellis, Michael W Blacksburg, US 10 133
Li, Zheng Blacksburg, US 308 1492
Yang, Tairan Blacksburg, US 7 0
Young, David Sudbury, US 178 2467
Zheng, Panni Blacksburg, US 7 2

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