High energy density redox flow device

Details High energy density redox flow device High energy density redox flow device

H - Electricity

01

M

H01M 8/18 (2006.01) H01M 8/20 (2006.01)

Patent

CA 2727399

Redox flow devices are described in which at least one of the positive electrode or negative electrode-active materials is a semi-solid or is a condensed ion-storing electroactive material, and in which at least one of the electrode-active materials is transported to and from an assembly at which the electrochemical reaction occurs, producing electrical energy. The electronic conductivity of the semi-solid is increased by the addition of conductive particle to suspensions and the surface modification of the solid in semi-solids: coating the solid with a more electron conductive coating material to increase the power of the device. High energy density and high power redox flow devices are disclosed.

Linvention concerne des dispositifs découlement redox dans lesquels un matériau actif d'électrode positive et/ou négative est un semi-solide ou un matériau électroactif de stockage dions condensé, et dans lesquels au moins lun des matériaux actifs délectrode est transporté vers un ensemble où se produit la réaction électrochimique et à partir de celui-ci, ce qui produit de lénergie électrique. La conductivité électronique du semi-solide est accrue par lajout dune particule conductrice à des suspensions et la modification de surface du solide en semi-solide : revêtement du solide avec un matériau de revêtement plus conducteur délectrons pour augmenter la puissance du dispositif. Linvention concerne également des dispositifs découlement redox à haute densité dénergie et haute puissance.

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