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battery-thermal-calc

电池热管理

电池发热计算

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Formulas

热量损耗
P_loss = I² × R_internal

由于内阻产生的焦耳热

Example: I=10A, R=0.02Ω → P_loss=2W

温升
ΔT = P_loss × R_θ

热阻与功耗一起决定温升

Example: P=2W, R_θ=4°C/W → ΔT=8°C

Calculation Steps

  1. 1

    1. 输入电流与电芯内阻

  2. 2

    2. 计算热损耗P_loss

  3. 3

    3. 使用热阻估算温升ΔT

  4. 4

    4. 判断是否需要冷却或降温措施

Use the calculator above to validate numeric results.

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