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Pouch-type secondary battery

A secondary battery, pouch-type technology, applied in secondary battery parts, battery pack parts, battery cover/end cap, etc. The effect of leakage

Inactive Publication Date: 2011-12-21
SAMSUNG SDI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In some secondary batteries, the insulating tape attached to the electrode tab may cause electrolyte leakage by leaving the case unsealed

Method used

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  • Pouch-type secondary battery
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Embodiment Construction

[0045] Embodiments of the present invention and other information for those skilled in the art to easily understand the present invention are described in detail below with reference to the accompanying drawings. However, the present invention may be changed and modified in various ways within the scope described in the claims; therefore, those skilled in the art will understand that the embodiments described below are illustrative only.

[0046]When it is determined that detailed descriptions of known technologies may unnecessarily obscure the point of the present invention, such detailed descriptions are not provided in explaining the present invention. In addition, even if the same components are shown in different drawings, it should be noted that they are denoted by the same reference numerals or symbols as much as possible. In addition, for convenience and clarity of description, the size or thickness in the drawings may be enlarged or reduced, and may be different from ...

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Abstract

The embodiment relates to a pouch-typed secondary battery, which includes: an electrode assembly having electrode taps connected to two electrode having different polarities; a case accommodating the electrode assembly with the electrode taps led to the outside; and bonding members sealing the case, in which the bonding members are disposed where the case is bonded. Further, the bonding members of the pouch-typed secondary battery according to the present invention may be composed of one or more layers.

Description

[0001] related application [0002] This application claims the benefit of U.S. Provisional Application No. 61 / 357,024, filed June 21, 2010, and U.S. Non-Provisional Application No. 13 / 085,412, filed April 12, 2011, entitled Secondary Batteries, the U.S. The entire contents of the provisional application and the US non-provisional application are hereby incorporated by reference. technical field [0003] Embodiments relate to a pouch type secondary battery including an electrode assembly and a pouch type case. Background technique [0004] Generally, an insulating tape is attached to the electrode tabs of the electrode assembly in order to reduce the risk of short circuit with the pouch case. [0005] In some secondary batteries, the insulating tape attached to the electrode tab may cause electrolyte leakage by leaving the case unsealed. Contents of the invention [0006] One embodiment of the present invention provides a secondary battery that reduces the risk of a shor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/02H01M2/00H01M50/119H01M50/121H01M50/129H01M50/133H01M50/148H01M50/159H01M50/16H01M50/164H01M50/178H01M50/55H01M50/553
CPCH01M2/0285H01M2/0277H01M2/0287H01M2/021Y02E60/12H01M2/0482H01M2/0404H01M2/0486H01M2/0469Y02E60/10H01M50/148H01M50/124H01M50/121H01M50/129H01M50/178H01M50/159H01M50/133H01M50/55H01M50/553H01M50/16H01M50/164H01M50/119H01M10/02H01M50/105
Inventor 安昶范
Owner SAMSUNG SDI CO LTD