Melt blown battery separator

Details Melt blown battery separator Melt blown battery separator

2007-05-08

2007-05-08

Yuan, Dah-Wei (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer or spacer insulating structure

C429S247000, C429S249000, C429S250000, C429S254000

Reexamination Certificate

active

10668422

ABSTRACT:
Battery separators made of a wettable, uniform mat of melt blown fibers. The melt blown fibers are thermally bonded to one another. These fibers are made of a thermoplastic material. The fibers have a diameter in the range of 0.1 to 13 microns (μ) and lengths greater than 12 millimeters (mm). The mat has a basis weight ranging from 6 to 160 grams per square meter (g/m2), a thickness of less than 75 microns (μ), and an average pore size of 0.3 to 50 microns (μ).

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