Patent ID: 8071256

Claim:
A method for driving an electrochemical energy generating apparatus comprising: driving an electrochemical device and measuring an operational state of an electrochemical device with a measurement section, regulating operating conditions of the electrochemical device with a regulating section, and a control section connected to the measurement section and the regulation section controlling the operating conditions; the method further comprising: measuring the operational state of the electrochemical device by the measurement section, inputting a measurement obtained by the measurement section into the control section, and controlling the regulation section by the control section based on the measurement during the operation of the electrochemical device wherein: after measuring the operational state of the electrochemical device by the measurement section, inputting data into the control section, and calculating a first electrochemical energy generation efficiency; changing operating conditions of the electrochemical device, and thereafter measuring the operational state of the electrochemical device by the measurement section and inputting the data obtained into the control section, and thereafter calculating a second electrochemical energy generation; further changing the operating conditions of the electrochemical device, further measuring the operational state of the electrochemical device by the measurement section, inputting the data obtained into the control section, and calculating a third electrochemical energy generation efficiency; and comparing the second electrochemical energy generation efficiency and the third electrochemical energy generation efficiency using the first electrochemical energy generation efficiency as a reference to determine optimal operating conditions of the electrochemical device.