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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12211979 B1

PDFFull Text
Date of Patent:
Jan. 28, 2025

Filed:

Aug. 24, 2021

Method for recovering active metal of lithium secondary battery

Applicant:

SK Innovation Co., Ltd., Seoul, KR;

Inventors:

Young Bin Seo, Daejeon, KR;

Min Ji Sung, Daejeon, KR;

Ji Min Kim, Daejeon, KR;

Seung Ok Lee, Daejeon, KR;

In Ae Lee, Daejeon, KR;

Assignee:

SK INNOVATION CO., LTD., Seoul, KR;

Attorney:

The PL Law Group, PLLC

Primary Examiner:

Wayne A Langel

Assistant Examiner:

Syed T Iqbal

Int. Cl.
CPC ...
H01M 10/54 (2006.01); B01J 43/00 (2006.01); B01J 47/02 (2017.01); B01J 49/50 (2017.01); C01D 15/02 (2006.01); C01D 15/08 (2006.01); C01F 7/021 (2022.01); C22B 1/00 (2006.01); C22B 3/24 (2006.01); C22B 5/14 (2006.01); C22B 7/00 (2006.01); C22B 21/00 (2006.01); C22B 21/02 (2006.01); C22B 26/12 (2006.01);
U.S. Cl.
CPC ...
H01M 10/54 (2013.01); B01J 43/00 (2013.01); B01J 47/02 (2013.01); B01J 49/50 (2017.01); C01D 15/02 (2013.01); C01D 15/08 (2013.01); C01F 7/021 (2013.01); C22B 1/005 (2013.01); C22B 3/24 (2013.01); C22B 5/14 (2013.01); C22B 7/006 (2013.01); C22B 21/0007 (2013.01); C22B 21/0023 (2013.01); C22B 21/02 (2013.01); C22B 26/12 (2013.01);
Abstract

In a method for recovering active metals of a lithium secondary battery according to an embodiment, a cathode active material mixture is collected from the cathode of the lithium secondary battery, the cathode active material mixture is reduced by a reducing reaction to prepare a preliminary precursor mixture, an aqueous lithium precursor solution is formed from the preliminary precursor mixture, and an aluminum-containing material is removed from the aqueous lithium precursor solution with an aluminum removing resin.

Find Patent Forward Citations

Seo, Young. (2025). Method for recovering active metal of lithium secondary battery (U.S. Patent No. 12211979). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12211979

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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