Patent ID: 8912756
Filing Date: 2014-12-16
Classification: B60L,G01R,H02J,Y02E,Y02T,Y04S

Abstract:
1. A battery system, comprising: a unit lithium battery cell assembly including a plurality of unit lithium battery cells that are electrically connected in series and each include a plurality of lithium battery cells that are electrically connected in series; a plurality of integrated circuits that are provided to respectively correspond to the plurality of unit lithium battery cells, each detect voltages of a plurality of lithium battery cells of a corresponding unit lithium battery cell, and each adjust a state of charge of each of the plurality of lithium battery cells, wherein: each of the plurality of integrated circuits includes a switch abnormality detection unit that detects an abnormality of each of the plurality of switches, wherein: the switch abnormality detection unit detects an abnormality of each of the plurality of switches by judging whether or not the switch is operated according to driving operation of the driving unit, and outputs an abnormality detection result from the communication unit via the signal output terminal.