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. 22, 2018
Filed:
Dec. 04, 2015
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventors:
Jinyoung Moon, Yongin-si, KR;
Byoungmin Chun, Yongin-si, KR;
Shinjung Kim, Yongin-si, KR;
Yongtae Kim, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 14/00 (2006.01); H01M 10/50 (2006.01); H01M 2/12 (2006.01); H01M 10/637 (2014.01); H01M 2/02 (2006.01); H01M 2/04 (2006.01); H01M 2/34 (2006.01); H01M 10/0525 (2010.01); H01M 10/052 (2010.01); H01M 10/0587 (2010.01); H01M 10/42 (2006.01); H01M 10/04 (2006.01);
U.S. Cl.
CPC ...
H01M 10/637 (2015.04); H01M 2/022 (2013.01); H01M 2/0237 (2013.01); H01M 2/046 (2013.01); H01M 2/0413 (2013.01); H01M 2/348 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); H01M 10/0587 (2013.01); H01M 10/4257 (2013.01); H01M 2/023 (2013.01); H01M 10/0422 (2013.01); H01M 10/0431 (2013.01); H01M 2200/106 (2013.01); Y02T 10/7011 (2013.01);
Abstract
A cylindrical lithium ion secondary battery, including a cylindrical can; an electrode assembly in the cylindrical can with an electrolyte solution; and a cap assembly sealing the cylindrical can, the cap assembly including a positive temperature coefficient (PTC) device connected to the electrode assembly, a cap-up connected to the PTC device, solder between the PTC device and the cap-up, and an exterior space without the solder on external circumferences of the PTC device and the cap-up.