Sodium sulphur cells

Details Sodium sulphur cells Sodium sulphur cells

1976-09-09

1977-12-06

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

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

Active material in molten state

429122, 429185, 429191, 429218, 429163, H01M 1039

Patent

active

040618404

ABSTRACT:
In a sodium sulphur cell, the cathode current collector in the sulphur/polysulphide cathodic reactant comprises a carbon or graphite tube containing a solid metal, e.g. aluminum, core and a deformable electronic conductor, e.g. graphite felt, as a conducting interface between the carbon or graphite tube and the core. In a preferred construction, the current collector is axially located within a cylindrical electrolyte tube, the space between the electrolyte tube and graphite tube containing the sulphur/polysulphides and a graphite felt. The outer surface of the graphite tube in this case may have grooves or recesses to form a sulphur reservoir.

REFERENCES:
patent: 3982957 (1976-09-01), Jones et al.
patent: 3982959 (1976-09-01), Partridge et al.

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