ANALYZING METHOD FOR BATTERY CHARACTERISTICS AND ANALYZER USING IT

摘要

PROBLEM TO BE SOLVED: To quickly and easily detect the characteristics of constituting materials by using a value of parameters obtained by approximating to the characteristic curve on the basis of measured data of battery characteristics for a numerical expression for expressing the battery characteristics by using a characteristic value of a battery constituting material as a parameter. SOLUTION: A numerical expression for expressing battery characteristics containing a characteristic value of a material constituting a battery as a parameter is stored in the data storage part. Plural measured data showing battery characteristics are inputted to the input part, the numerical expression in the data storage part decides a value of a parameter approximate to a characteristic curve on the basis of the measured data by the operation part to decide the characteristic value of the material constituting the battery at that time to output an operation result obtained by the operation part to the output part. Thus, a change in battery characteristics and a characteristic change in a battery material can be analyzed without disassembling the battery to seize the state of respective constituting materials.