Rechargeable battery cell having integral vibrating means

H - Electricity – 01 – M

Patent

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Details

H01M 10/02 (2006.01) H01M 2/16 (2006.01) H01M 4/02 (2006.01) H01M 10/42 (2006.01)

Patent

CA 2163661

A rechargeable battery cell (10) has an integral vibrating means. The cell has a positive electrode (14), a negative electrode (16), and an electrolyte (18) disposed between the two electrodes. The electrolyte contains a piezoelectric material (20) that vibrates when subjected to an alternating electric field. In one embodiment, at least one of the electrodes contains a piezoelectric material that functions as a vibrating means when subjected to an alternating electric field. In another embodiment, a piezoelectric material that functions as a vibrating means when subjected to an alternating electric field is attached as part of a current collector (22) to at least one of the electrodes. The piezoelectric material performs an additional function of being an electronic insulator for the purpose of stacking the cells.

Elément d'accumulateur rechargeable (10) à dispositif vibrant intégré, qui possède une électrode positive (14), une électrode négative (16) et un électrolyte (18) placé entre les deux électrodes. Ledit électrolyte contient un matériau piézoélectrique (20) qui vibre lorsqu'il est soumis à un champ de courant alternatif. Dans un mode de réalisation, au moins une des électrodes contient un matériau piézoélectrique qui fonctionne comme dispositif vibrant lorsqu'il est soumis à un champ électrique alternatif. Dans un autre mode de réalisation, un matériau piézoélectrique qui fonctionne comme dispositif vibrant lorsqu'il est soumis à un champ électrique alternatif est fixé, en tant que partie d'une prise de courant (22), à au moins une des électrodes. Ledit matériau piézoélectrique agit en outre en tant qu'isolant électronique en vue de l'empilage des éléments.

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