Cell frame for redox flow battery, and redox flow battery

Details Cell frame for redox flow battery, and redox flow battery Cell frame for redox flow battery, and redox flow battery

H - Electricity

01

M

H01M 8/18 (2006.01) F16J 15/10 (2006.01) H01M 2/08 (2006.01) H01M 8/02 (2006.01) H01M 8/20 (2006.01) H01M 8/24 (2006.01) H01M 10/02 (2006.01)

Patent

CA 2450517

This invention provides a cell frame for a redox flow battery that prevents leakage of electrolyte out of the cell frame and also provides a good workability in assembling the redox flow battery. Also, this invention provides a redox flow battery using the cell frame. In the cell frame 30 for the redox flow battery 30 comprising a bipolar plate 21 and a frame 31 fitted around a periphery of the bipolar plate 21, the frame 31 has, on each side thereof, an inner seal and an outer seal to press-contact with a membrane and also seal electrolyte. The frame 31 has, on each side thereof, an inner seal groove 34 and an outer seal groove 35 for placing therein the inner seal and the outer seal, respectively, to prevent the electrolyte from leaking out, and O-rings are placed in the respective seal grooves.

Cette invention concerne un châssis de cellule pour cuve à oxydation redox capable d'empêcher l'électrolyte de fuir à l'extérieur et qui se prête remarquablement bien au montage d'une cuve à oxydation redox comportant un tel châssis. Le châssis (30) pour cuve à oxydation redox comprend une plaque bipolaire (21) et un cadre (31) montée sur le pourtour de ladite plaque (21). Des joints périphériques destinés à comprimer une membrane et à empêcher l'électrolyte de fuir sont montés sur les deux surfaces du châssis (31). Sur les deux surfaces du châssis (31), on trouve des gorges (34) et (35) destinées à recevoir des joints périphériques intérieurs et extérieurs empêchant l'électrolyte de fuir vers l'extérieur. Des joints toriques sont logés dans les gorges (34) et (35).

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