摘要 |
A deterioration rate estimation method for a lithium-ion battery of estimating the deterioration rate of the lithium-ion battery including a negative electrode having stage structures switching depending on an electric storage amount includes a first step of acquiring first information about the stage structure, a second step of acquiring second information about the battery temperature of the lithium-ion battery, and a third step of estimating the deterioration rate from the first information and the second information. |