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rechargeable battery

A recharging and battery technology, which is applied in battery pack parts, secondary battery manufacturing, battery box/outer, etc., can solve the problem of poor safety of rechargeable batteries, and achieve the goal of improving safety and preventing short circuit Effect

Active Publication Date: 2019-10-25
SAMSUNG SDI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the safety of rechargeable batteries will be deteriorated

Method used

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Examples

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Embodiment Construction

[0036] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which certain embodiments of the invention are shown. As those skilled in the art would realize, the described embodiments may be modified in various ways, all without departing from the spirit or scope of the present invention. The drawings and descriptions are to be regarded as illustrative in nature and not restrictive. Like reference numbers generally refer to like elements throughout the specification.

[0037] figure 1 is an enlarged perspective view of a rechargeable battery according to one embodiment, figure 2 is along figure 1 A cross-sectional view taken along the line II-II.

[0038] refer to figure 1 and 2 , the rechargeable battery includes: an electrode assembly 10 that performs charging and discharging; a case 20 that accommodates the electrode assembly 10 and an electrolyte; a cover plate 30 that seals an opening formed in an upper end o...

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Abstract

A rechargeable battery comprising: an electrode assembly; a casing surrounding the electrode assembly, wherein the casing includes an opening; a cover plate sealing the opening of the casing; an insulating case having a predetermined height installed in the casing, the insulating case being installed between the cover plate and the electrode assembly between; and the electrode terminal, installed on the cover plate and electrically connected to the electrode assembly, wherein the casing includes an insulating part formed on the inner surface of its opening adjacent to the insulating case, the insulating part is electrically insulated, and the insulating part is located on the outer surface of the casing The upper portion is shaped to prevent impurities from flowing into the housing from said external environment.

Description

technical field [0001] The present disclosure relates to a rechargeable battery having an insulating case interposed between an electrode assembly inserted into a case and a cap plate. Background technique [0002] Unlike primary batteries, rechargeable batteries perform repeated charging and discharging. Small-capacity rechargeable batteries are used in small portable electronic devices, such as mobile phones, laptop computers, and camcorders, and large-capacity batteries are used as power sources for motor drives, such as electric bicycles, scooters , electric vehicles, forklifts, etc. [0003] A rechargeable battery includes: an electrode assembly in which a positive electrode and a negative electrode are stacked and then wound into a jelly-roll shape with a separator between the positive and negative electrodes; a case in which the electrode assembly and electrolyte are housed; a cover plate that seals An opening formed in the upper end of the case; an electrode termin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M2/02H01M10/04H01M50/119H01M50/121H01M50/129H01M50/133
CPCH01M50/129H01M50/119H01M50/121H01M50/133Y10T29/4911Y02E60/10Y02P70/50
Inventor 成宰一吉尾英明尹智园
Owner SAMSUNG SDI CO LTD