Patent ID: 6296959
Filing Date: 2001-10-02
Classification: H01M,Y02E,Y02T

Abstract:
An air supply device for a fuel cell, having a cathode with an inlet and an exhaust and an anode with an inlet and an exhaust, comprising:a displacement compressor for supplying pressurized air as an air source to the cathode;an exhaust gas turbine having an intake and an exhaust and operably connected to drive the displacement compressor;an air supply line connected to the cathode inlet of the fuel cell whereby air is supplied to the cathode inlet from the displacement compressor, and wherein the exhaust gas turbine is operably connected to the exhaust of the anode to operate with anode exhaust gas; anda heat exchanger connected to vaporize fuel fed to the inlet of the anode of the fuel cell, wherein the heat exchanger is connected to take in gas from the exhaust of the exhaust gas turbine and produce high temperature exhaust gas, and wherein the high temperature exhaust gas produced by the heat exchanger is conducted to the intake of the exhaust gas turbine.