Patent ID: 8501363

Claim:
A bipolar fuel cell plate comprising: a first unipolar plate having flow channels formed on a surface thereof; a second unipolar plate having flow channels formed on a surface thereof and joined with said first unipolar plate, said first unipolar plate and said second unipolar plate cooperating to form a bipolar plate having a coolant inlet, a coolant outlet, a reactant inlet, and a reactant outlet; a plurality of ports formed in each of said first unipolar plate and said second unipolar plate adjacent at least one of the reactant inlet and the reactant outlet for providing fluid communication between the at least one of the reactant inlet and the reactant outlet and the flow channels formed on said first unipolar plate and said second unipolar plate; and a coolant flow channel formed intermediate said first unipolar plate and said second unipolar plate in fluid communication with the coolant inlet, said coolant flow channel having a first portion, a second portion, and a third portion, the second portion disposed between the first portion and the third portion adjacent the reactant outlet with at least a portion of the second portion disposed between a pair of the plurality of the ports.