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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 11322811 B1

PDFFull Text
Date of Patent:
May. 03, 2022

Filed:

Nov. 06, 2018

Method for improving lifespan of lithium secondary battery

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Gi Su Park, Daejeon, KR;

Seong Ho Lee, Daejeon, KR;

Byounghyo Jung, Daejeon, KR;

Hyunsoo Lee, Daejeon, KR;

Doo Kyung Yang, Daejeon, KR;

Assignee:

LG ENERGY SOLUTION, LTD., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Sarah A Slifka

Int. Cl.
CPC ...
H01M 50/60 (2021.01); H01M 10/052 (2010.01); H01M 10/0569 (2010.01); H01M 10/058 (2010.01); H01M 10/44 (2006.01);
U.S. Cl.
CPC ...
H01M 50/60 (2021.01); H01M 10/052 (2013.01); H01M 10/058 (2013.01); H01M 10/0569 (2013.01); H01M 10/446 (2013.01); H01M 2300/0028 (2013.01);
Abstract

A method for enhancing a lifetime of a lithium secondary battery including manufacturing a battery by injecting an electrolyte liquid to an electrode assembly-embedded battery; and charging and discharging the manufactured battery; and additionally injecting an electrolyte liquid earlier than half a cycle point with respect to the number of charge and discharge cycles reaching discharge capacity of 80% compared to initial capacity is provided.

Find Patent Forward Citations

Park, Gi. (2022). Method for improving lifespan of lithium secondary battery (U.S. Patent No. 11322811). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11322811

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

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