Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer – spacer or materials for use therewith
Patent
1977-04-19
1979-01-30
LeFevour, Charles F.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Separator, retainer, spacer or materials for use therewith
H01M 216
Patent
active
041373790
ABSTRACT:
In a storage battery comprising a housing, a plurality of plates within said housing, an electrolyte within said housing about said plates, and a non-woven fabric separator between adjacent plates, the improvement which comprises employing as said separator a compressed web of synthetic fibers deposited in random arrangement and having an essentially dumbbell-shaped profile. Preferably the fibers comprise polystyrene, polyolefin or polycarbonate and have a maximum diameter of about 1 to 10 .mu.m, and the web has a thickness of about 0.05 to 0.3 mm, a weight of about 20 to 100 g/m.sup.2, a pore volume of about 50 to 90% and an average pore size from about 0.5 to 15 .mu.m.
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Fahrback Erich
Hoffmann Harald
Schmidt Klaus
Firma Carl Freudenberg
LeFevour Charles F.
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