Patent ID: 8928281
Filing Date: 2015-01-06
Classification: B60L,H01M,H02J,Y02E,Y02T

Abstract:
1. A battery control apparatus comprising: a battery circuit in which a plurality of batteries are connected in series; a plurality of bypass circuits, each bypass circuit operable to remove a corresponding one of the plurality of batteries from the battery circuit; a plurality of switches, each switch operable to switch a corresponding one of the plurality of batteries between the battery circuit and the corresponding bypass circuit; a deterioration detecting section operable to detect deterioration of each of the plurality of batteries; a voltage detecting section that detects a voltage of the battery circuit; and a switch control section operable to control the plurality of switches to remove, from the battery circuit, each battery having a difference in deterioration from the battery of the plurality of batteries having the smallest deterioration that exceeds a predetermined value, and reconnect each battery having a difference in deterioration from the battery of the plurality of batteries having the smallest deterioration that exceeds the predetermined value when the voltage of the battery circuit becomes a predetermined voltage or less.