Electric cells

Details Electric cells Electric cells

1975-04-29

1976-01-13

Skapars, Anthony

Batteries: thermoelectric and photoelectric

Thermoelectric

Radiation pyrometer

136 20, 136100R, H01M 3504, H01M 4300

Patent

active

039321959

ABSTRACT:
In a sodium-sulphur battery cell, an extended surface area current collector is sandwiched between portions of solid electrolyte, also of extended surface area, which provide between them a space for the liquid sulphur. The spacing between the current collector and each of the portions does not exceed the maximum distance that the sodium ions can diffuse in the liquid sulphur during a specified recharge time. A plurality of portions defining a plurality of spaces for the liquid sulphur may be provided, each space having an extended surface area current collector sandwiched between the portions defining the space.
A plurality of these battery cells may be arranged so that they are separated one from another by a bipolar electrode to provide a series connection.

REFERENCES:
patent: 3449165 (1969-06-01), Stott
patent: 3756856 (1973-09-01), Tennenhouse
patent: 3883367 (1975-05-01), Chiku et al.

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