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:
Jan. 03, 2017
Filed:
Feb. 10, 2011
Sang Hun Kim, Daejeon, KR;
Jong Hwan Kim, Daejeon, KR;
Han Ho Lee, Daejeon, KR;
Jong Hyun Chae, Daejeon, KR;
Sang Hun Kim, Daejeon, KR;
Jong Hwan Kim, Daejeon, KR;
Han Ho Lee, Daejeon, KR;
Jong Hyun Chae, Daejeon, KR;
LG Chem, Ltd., , KR;
Abstract
A pouch type lithium secondary battery including a medium- or large-sized battery module includes: a jelly-roll type electrode assembly; a resin-type first packing material that is formed of a two-layer structure having an inner resin layer and an outer resin layer, and for packing the jelly-roll type electrode assembly in the form of a unit cell; and a metal-type second packing material that integrally packs and contains two or more unit cells packed in the first packing material in the form of a module, and prevents moisture and gas penetration by a sealed structure. The pouch type lithium secondary battery is applicable particularly to medium- and large-sized batteries for EVs, p-HEVs, HEVs, and so on.