Patent ID: 8053111

Claim:
A biplate assembly in a bipolar battery consisting of: a conductive biplate having a first side and a second side opposed to the first side; a first electrode consisting essentially of a first compressed powder arranged on the first side of the biplate, wherein the first compressed powder comprises a first active material comprising nickel hydroxide and powdered nickel fibers and is not subjected to sintering; a second electrode consisting essentially of a second compressed powder arranged on the second side of the biplate, wherein the second compressed powder comprises a second active material comprising an AB 5 metal hydride and powdered nickel fibers and is not subjected to sintering; wherein one of the first active material and the second active material is a positive chemically active material and the other of the first active material and the second active material is a negative chemically active material; and wherein the positive chemically active material and the negative chemically active material chemically react with at least one electrolyte.