Title:
廃電池の処理方法
Document Type and Number:
Japanese Patent JP7371237
Kind Code:
B2
Abstract:
The present invention relates to a waste battery treatment method which includes preparing a waste battery including a waste positive electrode which includes an aluminum current collector and a positive electrode active material layer formed on at least one surface of the aluminum current collector, heat treating the waste battery at a temperature of 650° C. or higher in an air atmosphere or oxidizing atmosphere to convert the aluminum current collector into aluminum oxide, and recovering aluminum oxide powder and positive electrode active material powder from the heat-treated waste battery.
Inventors:
Eun Soo Jang
John Kyu Kim
Bon Sik Ju
John Kyu Kim
Bon Sik Ju
Application Number:
JP2022516142A
Publication Date:
October 30, 2023
Filing Date:
September 24, 2020
Export Citation:
Assignee:
LG Energy Solution Limited
International Classes:
C22B7/00; C22B1/02; C22B3/06; C22B3/08; C22B3/10; C22B3/22; C22B21/00; H01M10/54
Domestic Patent References:
| JP2019135321A |
Foreign References:
| CN106684489A | ||||
| KR101439427B1 |
Attorney, Agent or Firm:
Masato Iida
Shinya Mihiro
Shinya Mihiro
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