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Battery pack shell

A technology for battery packs and shells, which is applied to battery pack components, isolation of batteries from their environment, circuits, etc. It can solve problems such as limited strength, needs to be improved, deformation or rupture, etc., to achieve improved performance, good thermal conductivity, super strong resistance corrosive effect

Active Publication Date: 2015-03-25
SHENZHEN HONGYUAN BODE NEW ENERGY TECH DEV
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, most of the existing battery pack shells have limited strength, and long-term use often causes deformation or cracking. Corrosion resistance and thermal conductivity also need to be improved. Therefore, it is necessary to design a new battery pack shell that can meet the strength requirements of the battery pack.

Method used

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Embodiment Construction

[0016] In order to further illustrate the technical means and effects adopted by the present invention, the following describes in detail in conjunction with preferred embodiments of the present invention and accompanying drawings.

[0017] see figure 1 , the present invention provides a battery pack casing, comprising: a battery pack case 1 and a battery pack bottom plate 2 disposed opposite to the battery pack case 1, the material of the battery pack case 1 is carbon fiber reinforced unsaturated resin and The magnesium-aluminum alloy composite material covered by the glass fiber composite material, the material of the battery pack bottom plate 2 is a carbon fiber reinforced titanium-coated magnesium-aluminum alloy composite material.

[0018] Among them, the magnesium-aluminum alloy composite material covered by carbon fiber-reinforced unsaturated resin and glass fiber composite material and the carbon fiber-reinforced titanium-coated magnesium-aluminum alloy composite mater...

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Abstract

The invention provides a battery pack shell. The battery pack shell comprises a battery pack box and a battery pack bottom plate which is opposite to the battery pack box, wherein the battery pack box is made of a magnesium aluminum alloy composite material, the magnesium aluminum alloy composite material is covered by a carbon fiber reinforced unsaturation resin and a glass fiber composite, and the battery pack bottom plate is made of a carbon fiber reinforced titanium-coated magnalium alloy composite. By virtue of the carbon fiber reinforced unsaturation resin, the glass fiber composite and the carbon fiber reinforced titanium-coated magnalium alloy composite, the battery pack shell has enough strength, also has a relatively good heat-conducting property and ultrahigh corrosion resistance, so that the property of a battery pack is improved.

Description

technical field [0001] The invention relates to the technical field of lithium ion batteries, in particular to a battery pack casing. Background technique [0002] As the concept of environmental protection is deeply rooted in the hearts of the people, pure electric vehicles, as a truly green and environmentally friendly vehicle, will surely become the future development trend of the automotive industry. For a long time, the development of electric vehicles has been limited by the two technical bottlenecks of high battery cost and short life. With the innovation and improvement of technology in recent years, battery technology has developed rapidly. Power batteries have also gradually developed from traditional lead-acid batteries to advanced green power batteries such as nickel-metal hydride batteries, lithium cobalt oxide, lithium manganese oxide, and lithium iron phosphate. However, although the performance of these new power lithium batteries has been greatly improved,...

Claims

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Application Information

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IPC IPC(8): H01M2/10H01M50/204H01M50/229H01M50/236H01M50/24H01M50/244
CPCH01M50/256H01M50/24H01M50/20Y02E60/10
Inventor 桂松常嘉兴
Owner SHENZHEN HONGYUAN BODE NEW ENERGY TECH DEV
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