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Rechargeable battery

A rechargeable and battery technology, applied in secondary battery manufacturing, battery pack components, battery caps/end caps, etc., to solve problems such as rechargeable battery explosions

Inactive Publication Date: 2014-08-13
SAMSUNG SDI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is a risk that the rechargeable battery may explode when the increase in stress on the rechargeable battery is not properly handled

Method used

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Examples

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Embodiment Construction

[0036] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the specification and drawings, like reference numerals refer to like elements.

[0037] figure 1 is a cut perspective view showing a rechargeable battery according to an embodiment of the present invention.

[0038] refer to figure 1 , The rechargeable battery 100 according to the embodiment includes an electrode assembly 110 and a case 120, the anode 112 and the cathode 113 are located in the electrode assembly 110 and the separator 114 is between the anode 112 and the cathode 113, and one end of the case 120 is opened so that it can receive Electrode assembly 110 with electrolyte. The opening of the case 120 is fitted with a cover assembly 140 which seals th...

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PUM

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Abstract

The invention discloses a rechargeable battery. A rechargeable battery according to an embodiment of the present invention includes: an electrode assembly; a battery case accommodating the electrode assembly; and a cover assembly including a cover plate and a vent member, the cover plate including a top and at least one opening, the vent member including A support portion and two or more slots, wherein the vent member is configured to break at the two or more slots and bend along one or more lines adjacent the support portion.

Description

technical field [0001] Embodiments of the present invention relate to a rechargeable battery, and more particularly, to a rechargeable battery having an improved vent member. Background technique [0002] Unlike a primary battery, which cannot be recharged, a rechargeable battery is a battery that can be charged and discharged. Low-capacity rechargeable batteries are often used in small portable electronic devices such as cell phones, laptops, and video cameras; while large-capacity rechargeable batteries are often used as power sources for driving motors (such as in hybrid cars, etc.) or mass storage devices. [0003] Recently, a high-output rechargeable battery using a nonaqueous electrolyte and having a high energy density has been developed, which is composed of a large-capacity battery module by connecting a plurality of rechargeable batteries in series, so that they It can be used, for example, to drive a motor of an electric vehicle or the like. The rechargeable ba...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M10/04H01M2/12H01M2/04
CPCH01M2/1241H01M10/02Y02E60/10H01M50/3425Y02P70/50H01M50/30H01M50/147
Inventor 朴孝林朴俊炯
Owner SAMSUNG SDI CO LTD