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Battery safety evaluation device, battery safety evaluation method, program, control circuit, and power storage system
Battery safety evaluation device, battery safety evaluation method, program, control circuit, and power storage system
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机译:电池安全性评价装置,电池安全性评价方法,程序,控制电路以及蓄电系统
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摘要
An apparatus which is an arrangement 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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