An electrochemical cell stack

H - Electricity – 01 – M

Patent

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Details

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

Patent

CA 2613652

The present invention relates to a cell stack having at least one electrochemical cell arranged between a first end plate connected to an electrical bolt and a second end plate connected to another electrical bolt, said stack having a housing, means for providing fixed support of said stack to said housing and means for maintaining a constant load over said cell stack. Said means for maintaining a constant load comprise an elastic pad inserted into the space between said cell stack and said housing wall. The cell stack is applicable in the area of PEM fuel cells and PEM water electrolyser cells.

La présente invention concerne un empilement de cellules présentant au moins une cellule électrochimique agencée entre une première plaque d'extrémité reliée à un axe d'assemblage électrique et une seconde plaque d'extrémité reliée à un autre axe d'assemblage électrique, ledit empilement présentant un boîtier, des moyens destinés à assurer un support fixe dudit empilement sur ledit boîtier et des moyens destinés à maintenir une charge constante sur ledit empilement de cellules. Lesdits moyens destinés à maintenir une charge constante comprennent un tampon élastique inséré dans l'espace entre ledit empilement de cellules et ladite paroi de boîtier. L'empilement de cellules peut être appliqué dans le domaine des piles à combustible PEM et des cellules d'électrolyse d'eau de type PEM.

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