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.:
Date of Patent:
May. 30, 2023
Filed:
Jun. 17, 2020
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Assignee:
NGK INSULATORS, LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/525 (2010.01); H01M 4/587 (2010.01); H01M 10/0525 (2010.01); H01M 50/44 (2021.01); H01M 50/124 (2021.01); H01M 50/429 (2021.01); H01M 50/463 (2021.01); H01M 50/414 (2021.01); H01M 50/417 (2021.01); H01M 50/133 (2021.01); H01M 50/121 (2021.01); H01M 50/119 (2021.01);
U.S. Cl.
CPC ...
H01M 4/587 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); H01M 50/119 (2021.01); H01M 50/121 (2021.01); H01M 50/124 (2021.01); H01M 50/133 (2021.01); H01M 50/414 (2021.01); H01M 50/417 (2021.01); H01M 50/429 (2021.01); H01M 50/4295 (2021.01); H01M 50/44 (2021.01); H01M 50/463 (2021.01); H01M 2220/30 (2013.01);
Abstract
Provided is a lithium secondary battery including: a positive electrode plate which is a lithium complex oxide sintered plate; a negative electrode layer; a separator; an electrolytic solution; and a pair of exterior films having outer peripheral edges sealed with each other to form an internal space that accommodates the battery elements, wherein the portions of the negative electrode layer and the separator corresponding to the outer extension of the battery is deviated toward the positive electrode plate side from the portions of the negative electrode layer and the separator corresponding to the body of the battery.