The lightweighting of new energy vehicles mainly involves materials related to electronics, such as connectors, charging interfaces, and peripheral materials for power batteries. Replacing metal with plastic can reduce weight by about 30% while meeting performance requirements. At present, a pure electric vehicle can reduce weight by about 100KG by using lightweight plastic.

The use of engineering plastics in combination with automotive products for new energy vehicles requires the following performance requirements to be met:

Chemical corrosion resistance, oil resistance, high and low temperature resistance;

Excellent mechanical performance, high fluidity, and excellent processing performance;

Excellent surface performance and good dimensional stability;

Has good waterproof, moisture-proof, flame-retardant, environmentally friendly and thermal conductivity properties;

Good dielectric resistance, suitable for electrical environments;

Good weather resistance and long-term performance, suitable for long-term use in harsh environments.

Power battery system

1. Power battery bracket

The power battery bracket requires flame retardancy, dimensional stability, chemical resistance, and high strength. Currently, modified PPE, PPS, PC/ABS, etc. are mainly used

2. Power battery cover plate

The power battery cover plate requires flame retardancy, dimensional stability, chemical resistance, and high strength. Currently, modified PPS, PA6, PA66, etc. are mainly used.

Napon PPS lithium battery cover plate

3. Power battery box

The power battery casing requires flame retardancy, dimensional stability, chemical resistance, and high strength. Currently, modified PPS, modified PP, PPO, and other materials are mainly used

What plastic material is used for the casing of electric vehicle power supply equipment? We have a material PC FR 7134 that can replace the basic SABIC PC EXL9134. Used in the fields of electronic appliances and general automotive applications. It is a silicone copolymer resin modified material with extremely low temperature (-30 ℃) impact resistance and excellent processing performance. And with good flame retardancy and UV stability, it is an ideal choice for outdoor applications and cold resistance needs. It is widely used in mobile phones, tablets, industrial casings, circuit protection, personal helmets, electric vehicle power supply equipment (EVSE) casings and connectors, and more. It has excellent performance and is a product of charging pile material.

Xinsu Yuan replaces the basic LEXAN PC EXL9134 with UV resistant PC, low temperature resistant -40 degrees, fire-resistant V0 raw material

Xinsu Source Model PC FR 7134

SABIC model PC EXL9134

Materials application field: Electronic and electrical appliances, automotive general domain

Gap impact 70

Bending strength 92

Bending modulus 2250

Tensile strength 56

Elongation rate 100

Melting point 15/300 ℃/1.2kg

Specific gravity 1.19

Flame retardant VO/1.6mm

Hot deformation 122

Shrinkage rate 0.4-0.8

4. DC motor skeleton

The DC motor skeleton mainly uses modified PBT, PPS, and PA.

PPS brushless motor stator

5. Relay casing

The performance and automotive electronic control relay housing mainly use modified PBT.

6. Connectors

New energy vehicle connectors mainly use modified PPS, PBT, PA66, PA

PPS connector

Motor drive system and cooling system

1. IGBT module

IGBT module is the core component of new energy vehicle electronic control system and DC charging pile, which determines the energy utilization rate of the whole vehicle. In addition to traditional metal and ceramic commonly used materials, PPS engineering plastics are gradually being applied.

PPS-IGBT module

2. Car water pump

Electronic water pump rotors, pump casings, impellers, water valves, etc. require high toughness, high wear resistance, and high strength. Currently, modified PPS materials are mainly used.