Batteries

A technology of batteries and conductive adhesives, applied in the field of energy storage, can solve problems such as high cost, inability to discharge normally, and inability to meet the needs of overcharge protection, and achieve the effect of low cost and excellent conductivity

Active Publication Date: 2021-09-03
NINGDE AMPEREX TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, as the demand for high-rate charging and discharging in these applications increases, the original overcharge protection device for lithium-ion batteries cannot meet the existing overcharge protection requirements, especially in high-rate discharges (for example, 2C charging, 8C discharge, etc., where C represents the ratio unit relative to the nominal capacity of the lithium-ion battery), it will cause the wrong start of the overcharge protection device, resulting in the problem of unable to discharge normally, and the cost of some overcharge protection devices is relatively high. high

Method used

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Embodiment Construction

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in this application belong to the protection scope of this application.

[0033] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenienc...

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Abstract

The present application discloses an electric core, which comprises: a tab and a fuse assembly electrically connected to the tab; wherein, the fuse assembly includes at least one of conductive glue or alloy. Through the above technical solution of the present application, it is possible to form effective overcharge protection for the battery cell under the condition of high current charging and discharging, without affecting the normal operation of the battery cell, and the cost is low.

Description

technical field [0001] The present application relates to the field of energy storage, and more specifically, to a battery cell. Background technique [0002] Lithium-ion battery is an efficient energy storage device, which has the advantages of high voltage, high specific energy and long cycle life. Lithium-ion batteries have been widely used in electronic products (such as mobile phones, notebook computers, and digital cameras, etc.), electric vehicles, electric tools, and energy storage power stations. However, as the demand for high-rate charging and discharging in these applications increases, the original overcharge protection device for lithium-ion batteries cannot meet the existing overcharge protection requirements, especially in high-rate discharges (for example, 2C charging, 8C discharge, etc., where C represents the ratio unit relative to the nominal capacity of the lithium-ion battery), it will cause the wrong start of the overcharge protection device, resultin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M10/058H01M10/0525H01M50/583H01M50/581
CPCH01M10/0525H01M10/058H01M50/581Y02E60/10Y02P70/50
Inventor 邵颖陈新冰
Owner NINGDE AMPEREX TECH
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