Patent ID: 9350031
Filing Date: 2016-05-24
CPC Classification: H01M,Y02E

Claim Text:
1. A fuel cell stack comprising: at least first, second and third modules; the first, second and third modules each comprising an elongate hollow member having a first flat surface and a second flat surface arranged substantially parallel to the first flat surface with at least one passage being defined between the first and second flat surfaces extending longitudinally through the hollow member for flow of a reactant through the module; at least one of the first, second and third modules having a plurality of fuel cells arranged on at least one of the first and second flat surfaces; a first end of each of the first, second and third modules having an integral spacer comprising a third flat surface arranged substantially parallel to but non coplanar with the first flat surface, the integral spacer having a first opening to the at least one passage; a second end of each of the first, second and third modules having a connection portion comprising a fourth flat surface coplanar with the second flat surface, the second connection portion having a second opening to the at least one passage; the integral spacer of the first module being directly connected to the second connection of the second module by the third flat surface of the first module abutting the fourth flat surface of the second module so that the at least one passage of the first module is directly connected to the at least one passage of the second module and the integral spacer of the first module provides space between the connected first and second modules; and the integral spacer of the second module being directly connected to the second connection of the third module by the third flat surface of the second module abutting the fourth flat surface of the third module so that the at least one passage of the second module is directly connected to the at least one passage of the third module and the integral spacer of the second module provides space between the connected second and third modules.