Electrodes

Details Electrodes Electrodes

H - Electricity

01

M

H01M 8/20 (2006.01) H01M 4/02 (2006.01) H01M 4/04 (2006.01) H01M 4/62 (2006.01) H01M 4/70 (2006.01) H01M 4/86 (2006.01) H01M 4/88 (2006.01) H01M 4/96 (2006.01) H01M 8/24 (2006.01) H01M 6/48 (2006.01)

Patent

CA 2367286

The invention relates to electrodes including bipolar composite electrodes and end electrodes characterised by a layer of electrochemically active material bonded to a first surface of a non-conductive electrode substrate material. In the case of a bipolar electrode, the opposing second surface of the substrate material also carries a layer of electrochemically active material, the layers of electrochemically active material contacting through said substrate material to provide a current pathway. In the case of an end electrode, the opposing second surface of the substrate material carries a layer of electrically active material, the layer of electrochemically active material contacting the layer of electrically active material through said substrate material to provide a current pathway. Processes of preparing the electrodes of the invention and uses of the electrodes in batteries are also disclosed.

L'invention porte sur des électrodes telles que des électrodes composites bipolaires et des électrodes terminales caractérisées en ce qu'une couche de matériau électrochimiquement actif est liée à une première surface d'un matériau de substrat d'électrode non conducteur. Dans le cas d'une électrode bipolaire, la seconde surface opposée du matériau du substrat supporte également une couche de matériau électrochimiquement actif, ces couches de matériau électrochimiquement actif étant en contact de façon à former une voie d'acheminement du courant dans le matériau du substrat. L'invention porte, en outre, sur des procédés de préparation de ces électrodes et sur leurs utilisations dans des accumulateurs.

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