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Insulated rubber tape and lithium ion battery using insulated rubber tape

A technology of insulating tape and adhesive layer, which is applied in the direction of secondary batteries, battery pack components, applications, etc., can solve the problems of insulating tape multi-cell internal space, battery energy loss, etc., to reduce impact, improve energy density, The effect of preventing burrs from piercing

Active Publication Date: 2016-06-22
DONGGUAN AMPEREX TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The thicker insulating tape itself takes up more internal space of the battery cell. Although many through holes are set on the base material, it will still cause a large loss of battery energy.

Method used

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  • Insulated rubber tape and lithium ion battery using insulated rubber tape
  • Insulated rubber tape and lithium ion battery using insulated rubber tape
  • Insulated rubber tape and lithium ion battery using insulated rubber tape

Examples

Experimental program
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Embodiment Construction

[0026] The present application will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings. The "front", "rear", "left", "right", "upper" and "lower" mentioned in the text are all based on the placement state of the lithium-ion battery using the adhesive tape in the insulating tape machine in the accompanying drawings.

[0027] Such as figure 1 As shown, Embodiment 1 of the present application provides an insulating adhesive tape, which includes a base material 10 , a hard particle layer 20 and an adhesive layer 30 . Wherein, the substrate 10 serves as the main structure of the entire insulating tape, responsible for carrying the hard particle layer 20 and the adhesive layer 30 . At the same time, the substrate 10 provided in this embodiment has a microporous structure, and a large number of random micropores are distributed both on the surface and inside. Due to the microporous structure, the substrate 10 has good...

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Abstract

The invention relates to the field of energy storage instruments and especially relates to an insulated rubber tape and a lithium ion battery using the insulated rubber tape. The insulated rubber tape comprises a substrate, hard granular layers and rubber layers, wherein the substrate has a microcellular structure; the hard granular layers are stacked on the surface of the substrate layer by layer; the grain size of the granules in the hard granular layers is more than the aperture of the microcellular structure of the substrate; the rubber layers and the hard granular layers are arranged in a compounded form or the rubber layers and the hard granular layers are separately arranged; the rubber layers are stacked on one side of the hard granular layers away from the substrate. The lithium ion battery comprises the insulated rubber tape. The lithium ion battery provided by the invention can be used for reducing the influence of the arrangement of the insulated rubber tape on the energy loss of battery.

Description

technical field [0001] The present application relates to the field of energy storage devices, in particular to an insulating adhesive tape and a lithium ion battery using the adhesive tape. Background technique [0002] Insulating tape is an auxiliary material for lithium-ion batteries. It is well known in the industry. It is often used at the welding points of the battery tabs, the cathode and anode overhangs, and the corresponding sections. The main purpose is to prevent burrs from passing through the diaphragm and causing short-circuit failure of the battery. In particular, the area where the anode (or negative electrode) dressing corresponds to the cathode (or positive electrode) current collector (such as Al foil) must be insulated, otherwise the risk of short circuit inside the cell will increase. At the same time, in order to ensure that the area where the anode corresponds to the cathode current collector is well insulated, it is generally necessary to apply a certa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B9/00H01M2/00H01M10/0525H01M50/449H01M50/454H01M50/489H01M50/491H01M50/593
CPCB32B9/00H01M10/0525B32B2250/02B32B2307/206B32B2457/10H01M50/00H01M50/491H01M50/489H01M50/449H01M50/454B32B9/04Y02E60/10H01M50/446
Inventor 李本臻袁庆丰
Owner DONGGUAN AMPEREX TECH
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