Introduction

Although LiFePO₄ chemistry offers superior thermal stability, fire risk cannot be completely ignored, especially in high-capacity energy storage systems.

Fire-Resistant Design Measures

Flame-Retardant Materials

• UL94 V-0 rated plastics
• Fire-resistant steel or aluminum panels

Internal Safety Design

• Thermal insulation layers
• Fire separation between battery modules
• Gas exhaust channels

Pressure Relief and Venting

Proper venting allows:

• Safe release of internal gases
• Reduced risk of enclosure rupture
• Controlled pressure balance

Compliance Standards

• IEC 62619
• UL 1973
• UN38.3

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Conclusion

Fire-resistant enclosure design is a key requirement for compliance with international safety standards and large-scale ESS deployment.