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.

Date of Patent:
Sep. 03, 2019

Filed:

Mar. 29, 2016
Applicant:

Jx Nippon Mining & Metals Corporation, Tokyo, JP;

Inventors:

Ken Adachi, Hitachi, JP;

Junichi Arakawa, Tsuruga, JP;

Junichi Ito, Tsuruga, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B 3/00 (2006.01); C22B 3/08 (2006.01); B09B 3/00 (2006.01); B09B 5/00 (2006.01); C25C 1/08 (2006.01); C22B 3/06 (2006.01); C22B 7/00 (2006.01); C22B 23/00 (2006.01); C22B 26/12 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
C22B 3/08 (2013.01); B09B 3/00 (2013.01); B09B 5/00 (2013.01); C22B 3/06 (2013.01); C22B 7/00 (2013.01); C22B 23/00 (2013.01); C22B 26/12 (2013.01); C25C 1/08 (2013.01); H01M 10/0525 (2013.01); Y02P 10/234 (2015.11); Y02P 10/236 (2015.11); Y02W 30/84 (2015.05);
Abstract

The present invention provides a method for removing copper from lithium ion battery scrap containing copper, comprising a leaching step of adding the lithium ion battery scrap to an acidic solution and leaching the lithium ion battery scrap under a condition that an aluminum solid is present in the acidic solution; and a copper separating step of separating copper contained in the acidic solution as a solid from the acidic solution, after the leaching step.


Find Patent Forward Citations

Loading…