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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 9196922 B1

PDFFull Text
Date of Patent:
Nov. 24, 2015

Filed:

Nov. 30, 2012

Lithium secondary battery of improved high-temperature cycle life characteristics

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Jonghwan Kim, Daejeon, KR;

Jisang Yu, Daejeon, KR;

Jeong-Ju Cho, Daejeon, KR;

Hochun Lee, Daejeon, KR;

Joomi Jeon, Chungcheongbuk-do, KR;

Yongsu Choi, Chungcheongbuk-do, KR;

Ra Young Hwang, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Ula C Ruddock

Assistant Examiner:

Amanda Barrow

Int. Cl.
CPC ...
H01M 10/056 (2010.01); H01M 4/587 (2010.01); H01M 10/0525 (2010.01); H01M 10/0567 (2010.01);
U.S. Cl.
CPC ...
H01M 10/056 (2013.01); H01M 4/587 (2013.01); H01M 10/0525 (2013.01); H01M 10/0567 (2013.01); H01M 2300/0025 (2013.01); Y02E 60/122 (2013.01);
Abstract

Disclosed is a lithium secondary battery comprising a cathode including a lithium-containing transition metal oxide, an anode including a carbon-based material, and a non-aqueous electrolyte with addition of a compound (A) and a compound (B) of formula (1). Incorporation of the compounds (A) and (B) into the electrolyte significantly improves the high-temperature performance and cycle life characteristics of the battery.

Find Patent Forward Citations

Kim, Jonghwan. (2015). Lithium secondary battery of improved high-temperature cycle life characteristics (U.S. Patent No. 9196922). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9196922

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

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