METHOD FOR CONCENTRATING VALUABLE METAL CONTAINED IN LITHIUM ION SECONDARY BATTERY
Provided is a method for concentrating a valuable metal contained in a lithium ion secondary battery, for processing a lithium ion secondary battery containing at least one element selected from the group consisting of cobalt and nickel, or a positive electrode material of the lithium ion secondary...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | Provided is a method for concentrating a valuable metal contained in a lithium ion secondary battery, for processing a lithium ion secondary battery containing at least one element selected from the group consisting of cobalt and nickel, or a positive electrode material of the lithium ion secondary battery, to concentrate a valuable metal containing either or both of cobalt and nickel. The method includes a thermal treatment step of thermally treating the lithium ion secondary battery or the positive electrode material thereof, to form a granular aggregate containing at least one valuable metal selected from the group consisting of cobalt and nickel. |
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