H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 2/14 (2006.01) H01M 4/36 (2006.01) H01M 10/36 (2006.01)
Patent
CA 2669551
The invention relates to a rechargeable electrochemical battery cell with a negative electrode, an electrolyte and a positive electrode. The negative electrode has an electronically conducting substrate (12), on which an active metal (24) of the negative electrode is deposited electrolytically when the cell is charged. A porous structure (13), which contains the active mass (17) of the positive electrode, is arranged in the vicinity of the substrate (12) of the negative electrode (5) in such a way that the active metal (17), which is deposited during charging of the cell (3), of the negative electrode penetrates the pores (14) of the porous structure (13), which contains the active mass of the positive electrode, and is deposited there again, at least partially in metallic form.
L'invention concerne un élément de batterie électrochimique rechargeable avec une électrode négative, un électrolyte et une électrode positive. L'électrode négative comporte un substrat électroniquement conducteur (12) sur lequel s'ajoute électrolytiquement un métal actif (24) de l'électrode négative lorsque l'élément est en charge. Une structure poreuse (13) qui contient la masse active (17) de l'électrode positive est disposée au voisinage du substrat (12) de l'électrode négative (5) de telle sorte que le métal actif (17) de l'électrode négative ajouté lors du chargement de l'élément (3) pénètre dans les pores (14) de la structure poreuse (13) contenant la masse active de l'électrode positive et s'y ajoute à nouveau, au moins partiellement sous forme métallique.
Fortu Intellectual Property Ag
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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