Secondary battery
AssigneeSamsung SDI Co., Ltd.
InventorsYong-Sam Kim, Ki-Ho Kim, Jae-Yul Ryu
Life of this patent
Estimating the term…
Abstract
A secondary battery includes an electrode assembly including a positive electrode and a negative electrode, and a separator interposed therebetween. Each of the positive and negative electrodes have uncoated regions without active material along an edge. A container is also included for receiving the electrode assembly. A cap assembly is fixed to the container to seal the container. A lead element covers an entire surface of an uncoated region to contact and combine with the uncoated region. A tab extends from the lead element to be disposed within the range of the lead element.
Claims15
A secondary battery comprising:
- an electrode assembly including a positive electrode and a negative electrode, and a separator interposed therebetween, the positive and negative electrodes each having an uncoated region without active material along an edge thereof;
- a container adapted for receiving the electrode assembly;
- a cap assembly fixed to the container to seal the container;
- a lead element covering an entire surface of one of the uncoated regions and contacting and combining with the uncoated region;
- and
- a first tab extended from the lead element and disposed within the range of the lead element.
Dependencies are inferred from the claim text.