LIAl/FES.sub.x battery separator system with microporous electro

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer – spacer or materials for use therewith

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429210, H01M 214

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active

057142831

ABSTRACT:
A separator system for a LiAl/FeS.sub.x 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 Al.sub.2 O.sub.3 or MgO powder, AlN microporous particles, AlN microporous disk or ceramic standoff sandwiched between two screens or Al.sub.2 O.sub.3 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.

REFERENCES:
patent: 5254415 (1993-10-01), Williams et al.
"Development of Prototypes Sealed Bipolar Lithium/Sulfide Cells" by T.D. Kaum et al., Electrochemical Technology Program Argonne National laboratory, Argonne, IL 60439, 26th IECEC Bostom, MA, Aug. 4-9, 1991, american Nuclear Soc. (1991). (month N/A).
"High Temperature Lithium/Sulfide Batteries" by T.D. Kaun et al., Argonne National Laboratory Chemical Technology Division, Electrochemical Technology Program, 9700 South Cass Ave., Argonne, IL 60439, 1993 (month N/A).

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