Patent ID: 6777127
Filing Date: 2004-08-17
Classification: H01M,Y02E,Y10T

Abstract:
A method for bonding a first element of an electrochemical cell stack to a second element of the cell stack, the method comprising:providing at least one complex groove in a first sealing surface of the first element of the electrochemical cell stack, the complex groove having at least one raised portion and at least one depressed portion, the at least one raised portion being located above the depressed portion, the at least one raised portion being configured to receive and retain a bead of adhesive; depositing the bead of adhesive on the at least one raised portion of the at least one complex groove; abutting a second sealing surface of the second element of the electrochemical cell stack against the first sealing surface of the first element of the electrochemical cell stack such that the second sealing surface displaces at least a portion of the bead of adhesive from the at least one raised portion of the complex groove; and receiving the portion of the bead of adhesive in the at least one depressed portion of the groove.