Separator for starved electrolyte lead/acid battery
AssigneeJohns Manville
InventorsStephen E. Gross, Clifford W. Cain, Jr., Paul D. Bilawsky, Norman B. Scheffel
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Abstract
Compositions and papers made therefrom useful as separator materials in starved electrolyte lead/acid batteries are described. The compositions comprise a mixture of 30% to 80% by weight of perlite and 20% to 70% by weight of glass fibers. The glass fibers have diameters in the range of from 0.3 to 1.0 micrometers while the perlite has particle sizes in the range of from about 3 to about 100 micrometers.
Claims12
A composition, useful as a separator material in starved electrolyte lead/acid batteries, which comprises a mixture of 30% to 80% by weight of expanded perlite and 20% to 70% by weight of glass fiber, said glass fibers having diameters in the range of from about 0.3 to about 1.0 micrometers and said perlite having particle sizes in the range of from about 3 to about 100 micrometers.
Dependencies are inferred from the claim text.