| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve estimation accuracy in a charging time requirement time for a secondary battery.SOLUTION: A charging time estimation device 10: calculates a basic estimation value Tof a constant current charging time Tand a basic estimation value Tof a constant voltage charging time T, using residual battery capacity information SOC of a battery 206; performs correction to the basic estimation value Tof the constant current charging time Tand the basic estimation value Tof the constant voltage charging time T, using information I on supply current value to a battery and information on degradation state of the battery 206; and calculates the sum of the constant current charging time Tand the constant voltage charging time Tas a charging time requirement time T.</p> |
