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:
Nov. 29, 2016
Filed:
Aug. 30, 2013
Lg Chem, Ltd., Seoul, KR;
Jung-Hoon Yang, Daejeon, KR;
Young-Suk Cho, Daejeon, KR;
Seung-Don Choi, Daejeon, KR;
Ok-Gyun Kang, Seoul, KR;
LG Chem, Ltd., , KR;
Abstract
A secondary battery includes an electrode assembly having an electrode tab; an electrode lead attached to the electrode tab and having at least one lead hole; a pouch case for accommodating the electrode assembly so that the electrode lead is drawn out; and a sealing tape interposed between the electrode lead and the inner surface of the pouch case and having a venting pattern portion formed at a region corresponding to the lead hole. Therefore, when gas is generated inside a pouch case of a secondary battery due to an abnormal circumstance, for example when an overcurrent flows at the secondary battery since a protective circuit does not operate normally, a sealed state of the pouch case is rapidly released, thereby ensuring the safety of the secondary battery in use.