LIAl/FESx battery separator system with microporous electrode particle retainer screens

A separator system for a LiAl/FeSx electrochemical cell includes microporous sintered metal particle retainer screens fabricated by cold compacting, tape casting or plasma spraying, followed by sintering. The separator may consist of Al2O3 or MgO powder, AlN microporous particles, AlN microporous di...

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Main Authors D'USSEL; LOUIS, BRISCOE; J. DOUGLASS, OWEIS; SALAH M, EMBREY; JANET M, SNYDER; JAMES G
Format Patent
LanguageEnglish
Published 03.02.1998
Edition6
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:A separator system for a LiAl/FeSx electrochemical cell includes microporous sintered metal particle retainer screens fabricated by cold compacting, tape casting or plasma spraying, followed by sintering. The separator may consist of Al2O3 or MgO powder, AlN microporous particles, AlN microporous disk or ceramic standoff sandwiched between two screens or Al2O3 or MgO powder plasma sprayed onto one screen surface. The various separator system combinations are impregnated with 20% to 50% by volume electrolyte salt for ionic conductivity. Pore size is less than 10 mu m, excluding electrode particles from reaching the separator.
Bibliography:Application Number: US19960597402