Patent ID: 9435230
Filing Date: 2016-09-06
CPC Classification: F01K,F02C,H01M,Y02E

Claim Text:
1. A fuel cell hybrid system comprising: a heat engine comprising a compression unit for compressing an oxidizer supply gas comprising air and an expansion unit for expanding the oxidizer supply gas to generate mechanical energy; a fuel cell comprising an anode for receiving a fuel gas, a cathode for receiving the oxidizer supply gas, and a catalytic combustor for burning a non-reaction fuel gas of an anode exhaust gas exhausted from the anode to heat the oxidizer supply gas; a first heat exchanger heat-exchanging the oxidizer supply gas discharged from the compression unit with a cathode exhaust gas exhausted from the cathode; and a second heat exchanger heat-exchanging the oxidizer supply gas discharged from the first heat exchanger with the oxidizer supply gas discharged from the catalytic combustor, wherein the oxidizer supply gas discharged from the first heat exchanger is supplied into the catalytic combustor via the second heat exchanger and the expansion unit, and the oxidizer supply gas discharged from the catalytic combustor is supplied into the cathode via the second heat exchanger, and selectively the oxidizer supply gas is directly supplied into the catalytic combustor from an air source for supplying the oxidizer supply gas, in addition to the supply of the oxidizer supply gas into the catalytic combustor from the air source via the heat engine.