Mat of glass and other fibers in a separator of a storage battery
AssigneeKVG Technologies, Inc.
InventorGeorge C. Zguris
Life of this patent
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Abstract
Methods and materials for producing microfibers, and methods or collecting the formed fibers as mats, either by themselves or with various additive, are disclosed. The mats are masses of intermeshed glass or other fibers produced by suspending the fibers in a gaseous medium, and collecting the suspended fibers on a foraminous material. The fibers suspended in the gaseous medium have a BET surface area of from 0.2 to 5 m2 per gram. A method for adding additional materials to the mats is also disclosed; this method involves suspending the additives in the gaseous medium with the fibers.
Claims30
In a storage battery comprising a plurality of lead plates in a closed case, a fibrous sheet plate separator between adjacent ones of said plates, and a body of a sulfuric acid electrolyte absorbed by each of said separators and maintained in contact with each of the adjacent ones of said plates, the improvement wherein said separator sheets consist essentially of intermeshed glass or organic fibers produced by suspending fibers in a gaseous or liquid medium, and collecting the suspended fibers on a foraminous material in at least four discrete layers, with the proviso that the mass of fibers has a BET surface area of from 0.2 to 5 m2 pergram.
In a storage battery as claimed 1, the improvement of a fibrous sheet plate separator which consists essentially of intermeshed glass fibers produced by suspending glass fibers in a gaseous medium, collecting the suspended glass fibers on a foraminous material, and separating the collected fibers from the foraminous material, with the proviso that the fibers suspended and collected have a BET surface are of from 0.2 to 5 m2 per gram, and with the further provisos that the separator has a mean fiber length equal to the original fiber length of a fiber made and collected for a wet laid process.
In a storage battery as claimed 1, the improvement of a fibrous sheet plate separator which consists essentially of intermeshed glass fibers produced by suspending glass fibers in a gaseous medium, collecting the suspended glass fibers on a foraminous material, and separating the collected fibers from the foraminous material, with the proviso that the fibers suspended and collected have a BET surface area of from 0.2 to 5 m2 per gram, and the further proviso that the mean length of the fibers in the separator is greater than the mean length of fibers manufactured for use to produce a separator by a wet laid process.
Dependencies are inferred from the claim text.