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BATTERY SAFETY EVALUATION APPARATUS, BATTERY SAFETY EVALUATION METHOD, NON-TRANSITORY STORAGE MEDIUM, CONTROL CIRCUIT, AND POWER STORAGE SYSTEM
BATTERY SAFETY EVALUATION APPARATUS, BATTERY SAFETY EVALUATION METHOD, NON-TRANSITORY STORAGE MEDIUM, CONTROL CIRCUIT, AND POWER STORAGE SYSTEM
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机译:电池安全评估装置,电池安全评估方法,非暂态存储介质,控制电路和电源存储系统
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摘要
An apparatus which is an embodiment of the present invention includes a first estimator, a second estimator and a calculator, and evaluates the present safety of a battery. The first estimator estimates a present deterioration state and a present SOC of the battery. The second estimator estimates, on the basis of first reference data, a calorific value of the battery in an occasion when an external temperature changes. The first reference data is selected as corresponding to the first battery from a plurality of reference data at least indicating relationship between a calorific value of a secondary battery and an external temperature on the basis of the estimated deterioration state and SOC. The calculator calculates, on the basis of the calorific value of the battery, a safety index regarding a temperature of the battery in the occasion when the external temperature changes.
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