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Rechargeable battery

A recharging and battery technology, applied in the fields of battery, secondary battery manufacturing, battery pack components, etc., can solve problems such as increase in contact resistance, and achieve the effect of suppressing the increase in contact resistance

Pending Publication Date: 2021-12-28
SAMSUNG SDI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, since an oxide film may naturally form on the surface of the electrode terminal of the ultra-small rechargeable battery, there is a problem of increased contact resistance between the electrode terminal of the ultra-small rechargeable battery and the contact terminal of the wearable device.

Method used

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Embodiment Construction

[0029] The present invention will be described more fully hereinafter 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.

[0030] In addition, unless otherwise expressly stated to the contrary, it should be understood that terms such as "comprising", "comprising", or "having" used in this specification indicate the presence of said features, numbers, steps, operations, components, parts or Its combination, but does not exclude the existence or addition of one or more other features, numbers, steps, operations, parts, parts or combinations thereof.

[0031] Also, in this...

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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 connected to the first electrode and accommodating the electrode assembly, the case including an opening to receive the electrode assembly; a cap plate bonded to the case to cover an outer region of the opening and including a through-hole to expose a center region of the opening; a terminal plate bonded to and insulated from the cap plate, covering the through-hole, and connected to the second electrode; and a terminal plating layer coated on an upper surface of the terminal plate, and a thickness of a center portion of the terminal plating layer overlapping the through-hole is thicker than a thickness of an outer portion of the terminal plating layer overlapping the upper surface of the terminal plate.

Description

technical field [0001] Aspects of embodiments of the present disclosure relate to a rechargeable battery. Background technique [0002] In general, a rechargeable battery is a battery that can be charged and discharged repeatedly. [0003] 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, there has been a demand for ultra-small rechargeable The demand for batteries increases. [0004] Electrode terminals provided on an outer surface of the ultra-small rechargeable battery are in contact with contact terminals of the wearable device to supply power to the wearable device. [0005] However, since an oxide film may naturally form on the surface of the electrode terminal of the ultra-small rechargeable battery, there is a problem of increased contact resistance between the electrode terminal of the ultra-small rechargeable battery and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/04H01M50/559H01M50/571
CPCH01M10/0427H01M2220/30H01M50/56H01M50/109H01M50/153H01M50/181H01M50/164Y02E60/10Y02P70/50H01M50/571H01M50/147H01M50/533H01M50/547H01M50/562
Inventor 高希定金基正朴容辰禹炳喆李钟夏
Owner SAMSUNG SDI CO LTD