Patent ID: 6579646
Filing Date: 2003-06-17
Classification: H01M,Y02E,Y02P

Abstract:
A storage battery comprising:a positive electrode, a negative electrode and an electrolyte material, wherein said negative electrode has a first grid with a first grid geometry and a first active material provided on said first grid; said first grid is comprised of a plurality of meshes of substantially uniform size including meshes at edges of said first grid, the plurality of meshes defining a first grid mesh area; said positive electrode has a second grid with a second grid geometry and a second active material provided on said second grid; said second grid is comprised of a plurality of meshes of substantially uniform size including meshes at edges of said second grid, the plurality of meshes defining a second grid mesh area; and wherein a mesh grid ratio defined by the first mesh area relative to the second grid mesh area, being substantially equal to 0.5 or less.