Heat-insulating and flame-retardant new energy battery box

A battery box and new energy technology, which is applied in the field of new energy battery boxes, can solve the problems of battery box temperature rise, battery energy not being fully released, and battery life being affected

Active Publication Date: 2021-09-10
佛山日克耐热材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this battery box has some major disadvantages. For example, when the temperature is high outdoors in summer, the temperature inside the battery box rises faster, and the battery capacity decays faster at high temperatures, which affects the battery life; when the temperature is low in winter, the inside of the battery box It is easy to cool down more in a short period of time. Fast...

Method used

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  • Heat-insulating and flame-retardant new energy battery box
  • Heat-insulating and flame-retardant new energy battery box
  • Heat-insulating and flame-retardant new energy battery box

Examples

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Effect test

Embodiment 1

[0052] A heat-insulated and flame-retardant new energy battery box, comprising a battery box body 1 and a box top cover 2, the battery box box body 1 and the box body top cover 2 are connected by buckles 3, the battery box box body 1 and the box body The inner surface of the upper cover 2 is provided with a heat-insulating and flame-retardant layer 5; the heat-insulating and flame-retardant layer 5 is composed of polycarbonate, modified fiber and flame retardant; wherein, the modified fiber includes modified glass fiber and chemical Fiber; the mass ratio of polycarbonate, modified fiber and flame retardant is 65:15:1.2.

[0053] The thickness of the heat-insulating and flame-retardant layer is 1-5 mm.

[0054] Both the battery box body 1 and the box upper cover 2 are made of metal materials.

[0055] The lower surface of the box upper cover 2 is provided with a ring of sealing strips 4 along the periphery, and the closing strips 4 are closely attached to the upper edge of the...

Embodiment 2

[0076] A heat-insulated and flame-retardant new energy battery box, comprising a battery box body 1 and a box top cover 2, the battery box box body 1 and the box body top cover 2 are connected by buckles 3, the battery box box body 1 and the box body The inner surface of the upper cover 2 is provided with a heat-insulating and flame-retardant layer 5; the heat-insulating and flame-retardant layer 5 is composed of polycarbonate, modified fiber and flame retardant; wherein, the modified fiber includes modified glass fiber and chemical Fiber; the mass ratio of polycarbonate, modified fiber and flame retardant is 50:10:0.2.

[0077] The thickness of the heat-insulating and flame-retardant layer is 1-5 mm.

[0078] Both the battery box body 1 and the box upper cover 2 are made of metal materials.

[0079] The lower surface of the box upper cover 2 is provided with a ring of sealing strips 4 along the periphery, and the closing strips 4 are closely attached to the upper edge of the...

Embodiment 3

[0100] A heat-insulated and flame-retardant new energy battery box, comprising a battery box body 1 and a box top cover 2, the battery box box body 1 and the box body top cover 2 are connected by buckles 3, the battery box box body 1 and the box body The inner surface of the upper cover 2 is provided with a heat-insulating and flame-retardant layer 5; the heat-insulating and flame-retardant layer 5 is composed of polycarbonate, modified fiber and flame retardant; wherein, the modified fiber includes modified glass fiber and chemical Fiber; the mass ratio of polycarbonate, modified fiber and flame retardant is 80:20:2.

[0101] The thickness of the heat-insulating and flame-retardant layer is 1-5 mm.

[0102] Both the battery box body 1 and the box upper cover 2 are made of metal materials.

[0103] The lower surface of the box upper cover 2 is provided with a ring of sealing strips 4 along the periphery, and the closing strips 4 are closely attached to the upper edge of the b...

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Abstract

The invention discloses a heat-insulating and flame-retardant new energy battery box which comprises a battery box body and a box body upper cover, the battery box body and the box body upper cover are connected through a buckle, and heat-insulating and flame-retardant layers are arranged on the inner surfaces of the battery box body and the box body upper cover; the heat-insulating and flame-retardant layer is formed by compounding polycarbonate, modified fibers and a flame retardant; the mass ratio of the polycarbonate to the modified fiber to the flame retardant is (50-80):(10-20):(0.2-2), wherein the modified fibers comprise modified glass fibers and chemical fibers. The invention discloses a novel heat-insulating and flame-retardant new energy battery box which can enable a new energy battery to be less interfered by external temperature during working and can also prevent the battery from explosion and other dangers in the using process to a great extent.

Description

technical field [0001] The invention relates to the field of new energy battery boxes, in particular to a heat-insulating and flame-retardant new energy battery box. Background technique [0002] New energy, also known as unconventional energy, refers to various forms of energy other than traditional energy, and refers to energy that has just begun to be developed and utilized or is being actively researched and yet to be promoted, such as solar energy, geothermal energy, wind energy, ocean energy, biomass energy and nuclear fusion energy etc. With the rapid development of new energy electric vehicles, the requirements for the energy density of power batteries are getting higher and higher, and the battery box is used as the carrier of power batteries. At present, the battery box of the power battery system is mostly composed of a single structure of metal material, mainly because the battery generates heat during charging and discharging. This single structure of metal mat...

Claims

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Application Information

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IPC IPC(8): H01M50/24H01M10/658H01M50/249H01M50/258H01M50/233
CPCH01M50/24H01M10/658H01M50/249H01M50/258H01M50/233Y02E60/10
Inventor 王均伟梁永垣黄勇覃幸许德发
Owner 佛山日克耐热材料有限公司
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