Patent ID: 6661198
Filing Date: 2003-12-09
Classification: H02J,Y02T

Abstract:
A charging rate adjusting circuit for discharging electrochemical storage battery cells, of a cell combination comprising cell modules each comprising one or a plurality of cells and connected in series, the adjusting circuit being adapted to discharge at least one specified cell module among the plurality of cell modules in response to a discharge command so as to make uniform the plurality of cell modules connected to one another in series in charging rate or voltage, the charging rate adjusting circuit comprisinga respective cell-discharge circuit connected to opposite electrodes of each of the cell modules, and a control circuit for controlling the operation of the discharge circuit, the control circuit comprising: opening-closing means for opening or closing the discharge circuit, and control means for holding the discharge circuit closed for a predetermined period of time to discharge the cell and keeping the discharge circuit open after the discharge circuit is opened, both in response to a discharge command.