Patent ID: 9118063
Filing Date: 2015-08-25
Classification: B32B,H01M,Y02E,Y02P,Y10T

Abstract:
1. A plate or electrode for a lead-acid battery comprising: a grid of lead alloy material; a paste of an active material applied to the grid of lead alloy material; and a nonwoven fiber mat disposed on a surface of the paste of the active material, wherein the nonwoven fiber mat comprises a tensile strength in a machine direction of at least 22 lbs/3 inch and a tensile strength of at least 13 lbs/3 inch in a cross-machine direction, wherein the nonwoven fiber mat comprises a mat thickness of between about 0.006 inches and 0.008 inches, and wherein the fibers of the nonwoven fiber mat are composed entirely of a blend of coarse glass fibers having average fiber diameters of between 6 μm and 20 μm including: a plurality of first coarse glass fibers having fiber diameters between 6 μm and 11 μm; and a plurality of second coarse glass fibers having fiber diameters between 13 μm and 20 μm; wherein the nonwoven fiber mat comprises between about 25% and 75% of the first coarse glass fibers and between 25% and 75% of the second coarse glass fibers.