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State-of-charge estimation

Definition

Given a window of voltage, current and temperature measured while a cell is charged, discharged or driven through a load profile, estimate its state of charge: the charge left relative to its capacity. Unlike state of health, SOC changes within minutes, so the estimate has to hold up across temperatures, load profiles and cell ageing.

Input

Voltage, current and temperature time series

State-of-charge estimation model
Output
  • SOC

in %

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