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Patent Searching and Data


Title:
SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2018/164379
Kind Code:
A1
Abstract:
Various embodiments of the present invention relate to a secondary battery, and the technical problem to be solved is to provide a secondary battery of which the structure of a terminal part is simplified to reduce the number of parts, and terminal parts can be directly connected without requiring a separate part (for example, a bus bar) for mutual electrical connection between a battery and another battery. To this end, provided in the present invention is a secondary battery comprising: an electrode assembly, a case for accommodating the electrode assembly; a cap plate coupled to the case; and a terminal part that is electrically connected to the electrode assembly and is extended to penetrate through the cap plate, wherein the terminal part comprises a first area having a first thickness that is electrically connected to the electrode assembly from the inside of the case, and a second area having a second thickness that is thicker than the first thickness and is electrically connected to the first area from the outer side of the case.

Inventors:
KIM JOONG HUN (KR)
Application Number:
PCT/KR2018/001615
Publication Date:
September 13, 2018
Filing Date:
February 06, 2018
Export Citation:
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Assignee:
SAMSUNG SDI CO LTD (KR)
International Classes:
H01M10/052; H01M50/147; H01M50/176; H01M50/534; H01M50/55; H01M50/553; H01M50/562
Foreign References:
KR20150144600A2015-12-28
KR101136800B12012-04-19
KR20160103453A2016-09-01
JP2014132594A2014-07-17
KR20120025854A2012-03-16
Other References:
See also references of EP 3595045A4
Attorney, Agent or Firm:
SUNGAM SUH INTERNATIONAL PATENT & LAW FIRM (KR)
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