With the upgrading of new energy vehicle consumption, in addition to paying attention to the benefits of new energy, we also have higher requirements for its safety, lightweight and NVH, power battery heat dissipation, and VOC! "Energy Saving and New Energy Vehicle Technology Roadmap 2.0" has set a strategic target of reducing the lightweight coefficient of fuel and pure electric passenger vehicles by 25% and 35% respectively in 2035. Liquid foaming materials have become the "new favorite" of new energy in recent years because of their excellent characteristics such as light weight, flame retardant, sound absorption, and cushioning ".
The Tesla model3 battery PACK package uses a large amount of silicone foam potting material to protect a single battery cell, prevent heat transfer on the upper part of the battery pack, and effectively prevent thermal runaway. Let's take a look at what solutions foam materials can bring to the new energy automotive industry?
1. Power battery heat dissipation & protection
Studies have shown that 25°C is the favorite working temperature for electric vehicle batteries, and too high or too low temperature will affect driving safety. The foaming material can increase the self-ignition temperature of the battery by more than 10°C and extend the battery life by 15%. At present, many other manufacturers are actively promoting the development and application of new energy vehicle power battery heat dissipation & protection materials.
Flame retardant, heat dissipation, protection
2. Lithium battery solution
liquid silicone foam specially used for soft package and square lithium ion battery structure buffering. this kind of foam is very suitable for new energy power battery package projects with flexible design and various functional requirements. Long-term compression resistance, repeated compression resistance, high flame retardancy between layers, lithium battery buffer package, improve soft battery performance and life. It has excellent flame retardancy, low smoke, non-toxic and environmentally friendly, soft and lightweight, and meets the highest flame retardant rating UL94V0.
can protect the battery from shock and vibration, while compensating for design tolerances and thickness changes caused by battery expansion or contraction to ensure maximum contact between the battery and the heat sink.
lithium battery solution
3, power battery insulation, shock absorption buffer
<span style = "font-family: song style. Compared with traditional carbon-based foam materials, liquid foam silicon materials have excellent high and low temperature resistance (-50-250℃), high flame retardancy (V-0) has extremely low smoke concentration, non-toxicity and other characteristics, and is currently mainly used in new energy power batteries PACK package sealing, power battery thermal management system support protection, power battery insulation materials, power battery insulation buffer, etc.
4. Security and Thermal Management
Silicone in Lithium Battery PACK Safety and protection in Song body. Super soft silicone foam, in addition to light weight, good softness, more excellent flame retardant properties, in the battery fire, foam high flame retardant effect can delay the spread of the fire, increase the escape time, and low smoke and low toxicity safer. Compared with other foam materials, this series of foam can be used at -50- 250-℃ long-term use, pressure resistance, plasticity is more excellent, is 1 a rare battery cushion pad solution.
Battery Cushioning Solution
FUJIAN ZHIWAI NEW MATERIALS CO., LTD
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