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Secondary battery

A recharging and battery technology, applied in the fields of battery, secondary battery manufacturing, battery pack components, etc., can solve problems such as short circuit of electrode terminals, and achieve the effect of suppressing short circuit, damage suppression, and risk of explosion.

Pending Publication Date: 2021-12-24
SAMSUNG SDI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Since both electrode terminals of this ultra-compact rechargeable battery have a small size, a short circuit may occur between the two electrode terminals when an assembly error occurs between the two electrode terminals.

Method used

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Embodiment Construction

[0036] The present invention will be described more fully herein with reference to the accompanying drawings, in which some example embodiments of the invention are shown. 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. The drawings and description are to be regarded as illustrative in nature and not restrictive. Like reference numerals refer to like elements throughout the specification.

[0037] In addition, unless clearly stated to the contrary, it should be understood that terms such as "comprising", "comprising" or "having" used in this specification indicate that the features, numbers, steps, operations, components, parts and / or The existence of their combination does not exclude the existence or addition of one or more other features, numbers, steps, operations, components, parts or their combination.

[0038] Also, in this specifica...

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Abstract

A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case configured to be connected to the first electrode to accommodate the electrode assembly, and including an opening to receive the electrode assembly; a cap plate configured to be coupled with the case to cover an outer area of the opening, and including a through-hole to expose a central area of the opening; and a terminal plate configured to be connected to the second electrode and to be insulation-bonded to the cap plate, and including a flange portion covering the through-hole, and a protrusion penetrating the through-hole from the flange portion.

Description

[0001] Cross References to Related Applications [0002] This application claims priority and benefit from Korean Patent Application No. 10-2020-0076595 filed with the Korean Intellectual Property Office on June 23, 2020, the entire disclosure of which is incorporated herein by reference. technical field [0003] Aspects of embodiments of the present disclosure relate to a rechargeable battery. Background technique [0004] In general, a rechargeable battery is a battery that can be charged and discharged repeatedly. [0005] In recent years, as the demand for wearable devices such as headphones, earphones, smart watches, and body-attached medical devices using wireless communication such as Bluetooth has increased, the demand for devices mounted on wearable devices has increased. The demand for ultra-small rechargeable batteries is increasing. [0006] Since both electrode terminals of such an ultra-small rechargeable battery have a small size, a short circuit may occur b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/04H01M50/559H01M50/586H01M50/593H01M50/153H01M50/181
CPCH01M10/0427H01M2220/30H01M50/543H01M50/548H01M50/552H01M50/559H01M50/545Y02E60/10Y02P70/50H01M50/153H01M50/172H01M50/147H01M50/528H01M50/531H01M50/581H01M50/375H01M2200/10H01M50/109H01M50/181H01M50/154
Inventor 高希定金基正朴容辰禹炳喆李钟夏
Owner SAMSUNG SDI CO LTD
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