Patent ID: 8524389

Claim:
A plate for a bipolar battery, the plate being of the type that comprises a base material, a positive active material applied to a first surface of the base material and a negative material applied to a second surface of the base material opposite the first surface, the plate being characterized by the fact that: the base material consists of graphite in its constitution, said base material being coated with lead or lead alloy and said lead or lead alloy coating having a minimum thickness of 50 micrometers and a maximum thickness of 500 micrometers; the positive active material comprises lead dioxide, carbon fibers and glass microspheres in its composition, said positive active material having a thicknesses ranging from 3 to 15 mm; the negative active material comprises spongy lead, graphite additives and glass microspheres in its composition, said negative active material having a thicknesses ranging from 3 to 15 mm in which the lead or lead-alloy coating has a minimum thickness of 40 micrometers on the negative said and a maximum thickness of 300 micrometers on the positive side.