logo

For the Inventor, By the Inventor

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 12412941 B1

PDFFull Text
Date of Patent:
Sep. 09, 2025

Filed:

Jul. 26, 2019

Method for recycling lithium batteries

Applicant:

Duesenfeld Gmbh, Wendeburg, DE;

Inventors:

Christian Hanisch, Braunschweig, DE;

Tobias Elwert, Clausthal-Zellerfeld, DE;

Lisa Brückner, Clausthal-Zellerfeld, DE;

Assignee:

Duesenfeld GmbH, Wendeburg, DE;

Attorney:

WCF IP

Primary Examiner:

Matthew W Van Oudenaren

Int. Cl.
CPC ...
H01M 10/54 (2006.01); C22B 3/00 (2006.01); C22B 7/00 (2006.01); C22B 15/00 (2006.01); C22B 26/12 (2006.01); C22B 47/00 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 10/54 (2013.01); C22B 7/007 (2013.01); C22B 15/0071 (2013.01); C22B 23/043 (2013.01); C22B 23/0484 (2013.01); C22B 26/12 (2013.01); C22B 47/0063 (2013.01); C22B 47/0081 (2013.01); H01M 10/0525 (2013.01);
Abstract

A method for recycling lithium batteries containing the steps: (a) digesting comminuted material (), which contains comminuted components of electrodes of lithium batteries, using concentrated sulphuric acid () at a digestion temperature (T) of at least 100° C., in particular at least 140° C., so that waste gas () and a digestion material () are produced, (b) discharging the waste gas () and (c) wet chemical extraction of at least one metallic component of the digestion material ().

Find Patent Forward Citations

Hanisch, Christian. (2025). Method for recycling lithium batteries (U.S. Patent No. 12412941). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12412941

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

Loading…