NB

PROTECTIVE FILMS

The Benefits of Battery Insulation Wrap

Dec. 20, 2024

With batteries being used in so many of our day-to-day products, from cell phones to electric vehicles, battery insulation wrap is becoming more and more important. These wraps surround batteries and protect them from heat and other factors that may be detrimental to the performance of the battery. While this keeps the batteries working better for a longer period, it also keeps users safe by preventing dangerous thermal runaway.

 

Prevention of Battery Cell Overheating  

 

Overheating and thermal runaway in battery cells pose significant dangers, potentially causing severe damage to devices and endangering users. Excessive heat can degrade battery performance and lead to irreversible harm. In extreme cases, overheating triggers thermal runaway—a rapid and self-sustaining chain reaction. This phenomenon occurs within seconds, generating intense heat that can result in fires nearly impossible to extinguish.  

 

To mitigate these risks, preventing thermal runaway and overheating is crucial. Proper insulation materials, such as battery insulation wraps, play a vital role in safeguarding battery cells. These wraps isolate individual cells, helping to contain thermal runaway events and preventing them from spreading to adjacent cells, thereby minimizing the potential for catastrophic outcomes.

 

Power Battery PET Insulation Wrapping Film


Functions as a Dielectric Barrier Between Battery Cells  

 

Dielectric barriers are essential in preventing electrical discharges between electrodes, reducing the likelihood of overheating and the associated risk of thermal runaway. By inhibiting these discharges within or between individual battery cells, dielectric barriers help maintain stable performance and minimize hazardous conditions.  

 

These barriers envelop individual battery cells, serving as a physical shield to block electrical discharges from reaching adjacent electrodes. By preventing such discharges, dielectric barriers not only mitigate overheating and thermal runaway but also enhance overall battery safety, ensuring a more secure experience for consumers.

 

Selecting the Right Battery Insulation Wrap Materials  

 

The choice of battery insulation wrap materials depends on the type of battery, its application, and specific industry requirements. Several materials are commonly used due to their unique properties and suitability for insulation. Here are some widely used options:  

 

PET (Polyethylene Terephthalate)  

PET is a high-strength material known for its chemical resistance, dimensional stability, low moisture absorption, and excellent electrical insulation properties. These attributes make it particularly effective as a dielectric barrier in battery insulation.  

 

Polypropylene (PP)  

Polypropylene offers a range of benefits as a battery insulator. It is resistant to chemicals and heat, possesses good tensile strength, and exhibits low electrical conductivity, making it a reliable option for various battery applications.  

 

Polyimide  

Polyimide stands out for its exceptional heat resistance, high tensile strength, and excellent electrical insulation properties. Its performance remains consistent across a wide temperature range, making it an ideal choice for environments with extreme hot or cold conditions.  

 

By selecting the appropriate insulation material, manufacturers can ensure optimal performance, safety, and longevity of battery systems.

Power Battery PET Insulation Wrapping Film

Copyright © Guangdong NB Technology Co., Ltd. All Rights Reserved | Sitemap | Technical Support: