Composite sealing structure for sofc modules and stacks and...

Details Composite sealing structure for sofc modules and stacks and... Composite sealing structure for sofc modules and stacks and...

H - Electricity

01

M

H01M 2/02 (2006.01) H01M 2/08 (2006.01) H01M 8/02 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2549715

A composite sealing structure for a fuel cell stack/module that includes a cell (12) that comprises a cathode (14) and an anode (16) sandwiching a solid electrolyte (18), a cathode-side interconnect (20) adjacent the cathode (or electrolyte) and an anode-side interconnect (22) adjacent the anode (or electrolyte), the composite sealing structure comprising a pair of composite sealant structures (28, 30) extending about the respective peripheries of the cathode-side and anode-side interconnects, each composite sealant structure comprising a sealing portion (34) interposed between marginal edges of the cathode-side interconnect and the cathode (or electrolyte), and the anode-side interconnect and the anode (or electrolyte), respectively, and an adjacent sealant reservoir portion (36) located outside the respective peripheries for supplying additional sealant (38) to the sealing portion.

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