top of page

Best EV Battery Insulation Pad for Electric Vehicle Batteries Fire Protection. Thermal insulation pads for EV battery protection from heat, fire, compression pads, water proofing, impacts, vibrations, collision, and harsh environment thermal runaway. Effective thermal management is vital not only to an electric vehicle battery, but also to vehicle occupant safety.


WedGel Aerogel insulation can be utilized in electric vehicle (EV) batteries to improve their thermal management and performance. EV batteries generate heat during operation, especially during charging and discharging cycles. Effective thermal management is crucial for maintaining battery performance, extending battery life, and ensuring safety. Overall, WedGel Aerogel insulation can contribute to enhanced thermal management, improved energy efficiency, and increased safety in EV batteries, ultimately helping to optimize battery performance and prolong battery life.



Features and Benefits

  • Heat Dissipation: WedGel Aerogel can be applied as a thermal barrier within the battery pack, helping to dissipate heat and maintain optimal operating temperatures. By reducing heat transfer to surrounding components, WedGel Aerogel insulation can prevent overheating and improve battery efficiency.
  • Temperature Regulation: WedGel Aerogel helps in maintaining more stable and uniform temperatures within the battery pack. By reducing heat loss or gain, it minimizes temperature fluctuations that can negatively impact battery performance and longevity.
  • Energy Efficiency: Efficient thermal management through WedGel Aerogel can enhance the overall energy efficiency of the battery system. By keeping the batteries within an optimal temperature range, the system can deliver power more effectively, resulting in improved energy utilization & extended driving range.
  • Safety Enhancement: Proper thermal management is critical for battery safety. WedGel Aerogel insulation can act as a thermal barrier, reducing the risk of thermal runaway or overheating in the event of a battery fault. It can provide an additional layer of protection and help maintain the structural integrity of the battery pack.
  • Space Optimization: WedGel Aerogel’s high insulating capacity allows for thinner insulation layers. This can be advantageous in EV battery design, as it helps optimize the use of limited space within the battery pack, leaving more room for battery cells and other components.


It's worth noting that integrating WedGel Aerogel insulation into EV batteries requires careful design and engineering considerations to ensure proper installation and compatibility with battery system requirements. Factors such as the specific formulation of WedGel Aerogel, its structural integrity, and its ability to withstand the operating conditions within the battery pack must be taken into account. For correct installation practice always consult with Wedge Technical team or authorised applicators.


Quality ASTM C1728WedGel WAG 650EVWedGel 350EV
TypePad / Sheet / WrapThin Paper
Base Materials, Volume of Aerogel, %≥ 90≥ 90
Thickness, mm 02-Oct0.2 - 3
Operating Temperature Range, ºC ASTM C411/C447-50 to 650-200 to 400
Long term Temperature Range, 1 Hour, °C≥ 700≥ 500
Density, Kg/M3 210± 42 250± 30 
Thermal Conductivity, ASTM C177, GB/T10295/4-2008  
W/m.K at 25°C0.0180.021
W/m.K at 37.8°C0.0220.023
W/m.K at 100°C0.0230.024
W/m.K at 200°C0.0280.031
W/m.K at 300°C0.0320.035
W/m.K at 400°C0.047NA
W/m.K at 500°C0.058NA
W/m.K at 600°C0.068NA
Fire Proofing Rating GB/T 8642-2012A1A1
Hydrophobicity GB/T 10299‐2011, %9999
Compression Strength, ASTM C165; GB/T 13480-2014 at 10%, Kpa60105
Compression Rebound rate, 100kPa, 5 Min, %≥ 90≥ 90
Tensile Strength, Transverse Longitudinal GB/T17911-2006, Mpa≥ 0.81.4
Complies with ROHS regulationCompliesComplies
Size Tolerances, ASTM C1728PassPass
Reaction to fire, ISO 1182, GB/T8624-2012, EN 13501-1Non-combustibleNon-combustible
Flame spread index (ASTM E84), max FSI≤ 25≤ 25
Smoke developed index (ASTM E84) , max ASTM E84 SDI≤ 50≤ 50
Adhesive Peel Strenght ASTM-D333, N/100mm ≥ 50≥ 50
Breakdown Voltage, kV/mm≥ 10≥ 10 
Volume Resistivity, Ω-cm≥ 1 x 10^13≥ 1 x 10^13
Short term Temperature Range, °C1400≥ 1200
No melting, No decomposition, No sintering of the material in 5 Min 
Material Flam retardant, IEC 60695-11-10-1999; Horizontal Combustion meets the HB Level & Vertical Combustion meets V0 Level PassPass
Requirements for restricted use of hazardous substances in products, (EC) No 1907/2006/ Q/WH 110001-2017 PassPass


EV Battery Insulation Pad Electric Vehicle Batteries Fire Protection

    bottom of page