Patent ID: 8263280
Filing Date: 2012-09-11
Classification: F28D,F28F,H01M,Y02E

Abstract:
1. A solid oxide fuel cell system comprising: a fuel cell stack having an anode side and a cathode side; an anode tailgas oxidizer for oxidizing an anode exhaust flow from the anode side of the fuel cell stack to produce an oxidized anode exhaust flow; a heat exchanger including a first inlet for receiving a cathode exhaust flow from the cathode side of the fuel cell stack, a second inlet for receiving the oxidized anode exhaust flow, and a mixing region for combining the cathode exhaust flow and the oxidized anode exhaust flow to produce a combined exhaust flow; and an air flow path for supplying air to the fuel cell stack to support an energy-producing reaction in the fuel cell stack and extending through the heat exchanger so that heat is transferred from the combined exhaust flow to the air traveling along the air flow path.