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A novel material suitable as a battery case of an electric vehicle

A technology for battery shells and new materials, applied in the field of new materials, can solve problems such as shell cracking, and achieve the effect of preventing cracking and strong organic solvent resistance

Inactive Publication Date: 2018-03-02
NINGBO SHAOJIN PLASTIC PRODS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the materials used for the plastic casing of electric vehicle batteries on the market often cause the casing to crack due to the heating of the battery during continuous use after encountering organic solvents. After trials by various battery manufacturers, ABS of various brands and models cannot solve this problem.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A new type of material suitable for battery shells of electric vehicles, which consists of the following components:

[0017] ABS resin: 60 parts by mass;

[0018] Polyethylene terephthalate: 20 parts by mass;

[0019] Ethylene acrylic acid copolymer: 10 parts by mass;

[0020] Maleic anhydride grafted ABS: 5.5 parts by mass;

[0021] Heat stabilizer: 0.2 parts by mass;

[0022] Lubricant: 0.2 parts by mass;

[0023] Coupling agent: 1 part by mass.

[0024] In this embodiment, the thermal stabilizer is a rare earth composite stabilizer, the lubricant is silicone powder, and the coupling agent is a lead ester coupling agent.

[0025] The granulation method of the above-mentioned novel material is an ordinary granulation method, and the above-mentioned components are mixed uniformly according to the proportion and then added to the extruder for granulation. After this material is formed by an injection molding machine, it is stretched out by 0.1-0.2mm, and the surface is coated with a...

Embodiment 2

[0027] A new type of material suitable for battery shells of electric vehicles, which consists of the following components:

[0028] ABS resin: 50 parts by mass;

[0029] Polyethylene terephthalate: 22 parts by mass;

[0030] Ethylene acrylic acid copolymer: 15 parts by mass;

[0031] Maleic anhydride grafted ABS: 6 parts by mass;

[0032] Heat stabilizer: 0.3 parts by mass;

[0033] Lubricant: 03 parts by mass;

[0034] Coupling agent: 1.2 parts by mass.

[0035] In this embodiment, the thermal stabilizer is a rare earth composite stabilizer, the lubricant is silicone powder, and the coupling agent is a lead ester coupling agent.

[0036] The granulation method of the above-mentioned novel material is an ordinary granulation method, and the above-mentioned components are mixed uniformly according to the proportion and then added to the extruder for granulation. After this material is formed by an injection molding machine, it is stretched out by 0.1-0.2mm, and the surface is coated with a...

Embodiment 3

[0038] A new type of material suitable for battery shells of electric vehicles, which consists of the following components:

[0039] ABS resin: 55 parts by mass;

[0040] Polyethylene terephthalate: 30 parts by mass;

[0041] Ethylene acrylic acid copolymer: 8 parts by mass;

[0042] Maleic anhydride grafted ABS: 6.5 parts by mass;

[0043] Heat stabilizer: 0.15 parts by mass;

[0044] Lubricant: 0.15 parts by mass;

[0045] Coupling agent: 0.1 parts by mass.

[0046] In this embodiment, the thermal stabilizer is a rare earth composite stabilizer, the lubricant is silicone powder, and the coupling agent is a lead ester coupling agent.

[0047] The granulation method of the above-mentioned novel material is an ordinary granulation method, and the above-mentioned components are mixed uniformly according to the proportion and then added to the extruder for granulation. After this material is formed by an injection molding machine, it is stretched out by 0.1-0.2mm, and the surface is coated wi...

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PUM

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Abstract

A novel material suitable as a battery case of an electric vehicle is disclosed. The material includes 50-80 parts by mass of ABS resin, 10-30 parts by mass of polyethylene terephthalate, 8-15 parts by mass of ethylene-acrylic acid copolymer, 5-8 parts by mass of maleic anhydride grafted ABS, 0.1-0.5 part by mass of a heat stabilizer, 0.1-0.3 part by mass of a lubricant and 0.02-1.5 parts by massof a coupling agent. The material is applied for molding a battery case of an electric vehicle, has extremely high resistance to organic solvents, and can effectively protect the battery case of the electric vehicle from being cracked.

Description

Technical field [0001] The invention relates to a new type of material suitable for battery shells of electric vehicles. Background technique [0002] At present, the materials used for the plastic shell of electric vehicle batteries on the market often encounter organic solvents. During continuous use, the battery heats up and causes the shell to rupture. Various battery manufacturers have tried various brands and models of ABS to solve this problem. Summary of the invention [0003] In order to overcome the above-mentioned shortcomings of the existing electric vehicle battery casing, the present invention provides a new type of organic solvent-resistant material suitable for the electric vehicle battery casing. [0004] The technical solution of the present invention to solve its technical problems is: a new type of material suitable for battery shells of electric vehicles, which is composed of the following components: [0005] ABS resin: 50-80 parts by mass; [0006] Polyethylene ...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08L67/02C08L23/08C08L83/04
CPCC08L55/02C08L2203/20C08L2205/025C08L2205/035C08L67/02C08L23/0869C08L83/04
Inventor 黄立伟王日军
Owner NINGBO SHAOJIN PLASTIC PRODS
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