Electrochemical battery cell having a monolithic bipolar flat pl

Details Electrochemical battery cell having a monolithic bipolar flat pl Electrochemical battery cell having a monolithic bipolar flat pl

1990-07-03

1992-05-12

Dixon, Jr., William R.

Chemistry: electrical current producing apparatus, product, and

Fluid active material or two-fluid electrolyte combination...

Active material in molten state

429104, 429193, H01M 1039

Patent

active

051127032

ABSTRACT:
A separator for use in an advanced rechargeable electrochemical battery cell includes a thin plate of beta" alumina affixed to a molded monolithic frame shaped similar to a window frame. The strength and support provided by the frame permits use of extremely thin beta" alumina plates. When used in a sodium sulfur or sodium metal chloride battery cell, the separator permits maximum cell power without a decrease in cell energy capacity. A battery prepared by stacking a plurality of such cells is light and compact, yet has sufficient power and capacity for use in an electric vehicle.

REFERENCES:
patent: 2471781 (1949-05-01), Schmidt
patent: 3756856 (1973-09-01), Tennenhouse
patent: 4239839 (1980-12-01), McDowall et al.
patent: 4894299 (1990-01-01), Morse
A Sodium-Sulfur Test Cell Utilizing A .beta.-Alumina Flat-Plate Separator, L. S. Marcoux, R. R. Sayano, E. T. Seo and H. P. Silverman.

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