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, 2017
Filed:
Feb. 28, 2014
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Yoko Sano, Osaka, JP;
Keisuke Yoneda, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/02 (2006.01); H01M 10/0566 (2010.01); H01M 10/0587 (2010.01); H01M 2/04 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0566 (2013.01); H01M 2/022 (2013.01); H01M 2/046 (2013.01); H01M 2/0413 (2013.01); H01M 10/0525 (2013.01); H01M 10/0587 (2013.01); H01M 2220/30 (2013.01);
Abstract
There is provided a cylindrical pin-type lithium-ion secondary battery having excellent high temperature storage characteristics and charge-discharge cycle characteristics. The battery includes: a bottom-closed cylindrical battery case having an opening portion; a wound-type electrode assembly and a non-aqueous electrolyte housed in the battery case; and a sealing plate sealing the opening portion. The battery has: an outer diameter R of 3 to 6.5 mm; a height H of 15 to 65 mm; an amount of the non-aqueous electrolyte per discharge capacity of 1 mAh of 1.7 to 2.8 μL; and a packing ratio of 71 to 85%.