P13M55 heat sink
Category: New Material Series
Product Details
The P13M55 heat‑absorbing sheet is a phase‑change material used for thermal management of battery cells. It provides thermal control at the interface, thereby mitigating localized temperature fluctuations caused by cell operation.
Product features: Achieves phase-change heat absorption and release within the 55–70°C range, with the ability to be repeatedly cycled.
Application areas: Used at the tab and busbar locations of fast‑charging batteries and large‑size single cells; it can serve as a thermal management material, enabling temperature buffering within the 70–85°C range at the application site, reducing the heating rate of the protected components, and improving the operating ambient temperature.
Technical Specifications
| Performance Name | Unit | Performance value | Test Standards and Methods |
| Thickness | mm | 2~5 (tolerance ±0.2) | Thickness gauge |
| Density | g/cm3 | 0.8~1.2 | Density measurement by geometric methods |
| Specific heat capacity | J/(g·°C) | 1.8-2.5 | ASTM E1269-11 |
| Latent heat value | J/g | ≥210 | ASTM E793-06 |
| Phase transition temperature | °C | 55~70 | ASTM E793-06 |
| Insulation resistance | MΩ | >1000 | ASTM D257@DC 1000V |
| Dielectric withstand voltage | mA | I (leakage) < 0.01 | GB/T31838.2-2019@DC 3000V |
Key Performance
Thermodynamic properties:
DSC, temperature range 30–120°C, heating rate 2°C/min
P13M55 has a latent heat of phase change for the heat-absorbing plate of 268.519 J/g,
The phase-change temperature of the heat-absorbing plate is 60.91 °C.
Keywords:P13M55 heat sink
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P13M55 heat sink
The P13M55 heat‑absorbing sheet is a phase‑change material designed for battery‑cell thermal management. It provides thermal control at the interface, mitigating localized temperature fluctuations caused by cell operation.
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