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‌Lithium Battery Thermal Shock Testing

Lithium ion Battery Pack Testing
August 15, 2025
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‌Lithium Battery Thermal Shock Testing
‌Test Definition‌
Validates battery performance stability and safety under extreme temperature transitions (typically ‌-40℃ ↔ 85℃‌).

‌Key Parameters‌
‌Temperature ramp time‌: ≤5 min
‌Cycles‌: 10-50 (standard-dependent)
‌Critical metrics‌:
▶ Capacity decay rate
▶ Internal resistance drift
▶ Structural deformation
‌Purpose‌
Identify sealing failures from material expansion/contraction
Detect electrode/electrolyte interface degradation
Verify BMS thermal protection robustness
‌Standards Compliance‌
GB/T 31485-2015 (China)
UL 1642 (US)
Equipment: IEC 60068-2-14 compliant
‌Test Execution‌
Samples undergo rapid transfers between pre-set chambers while monitoring electrical parameters post-recovery.
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