Sodium sulphur cells

Details Sodium sulphur cells Sodium sulphur cells

1976-09-08

1978-01-03

LeFevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

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

Active material in molten state

429174, H01M 436

Patent

active

040668266

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 liquid metal, e.g. tin or a tin-lead alloy, 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: 3883367 (1975-05-01), Chiku et al.

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