Sodium-sulphur electric cells

Chemistry: electrical current producing apparatus – product – and – Fluid active material or two-fluid electrolyte combination... – Active material in molten state

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429163, H01M 1000

Patent

active

040113671

ABSTRACT:
A sodium-sulphur electric cell is provided having a sulphur compartment in hich a current collector of hollow form extends. The space inside the current collector is used as an expansion space for products arising from reaction of sodium and sulphur. The walls of the current collector may be tapered to arrange that the current density along it is substantially constant.

REFERENCES:
patent: 3811955 (1974-05-01), Ralston et al.
patent: 3982957 (1976-09-01), Wynn et al.
patent: 3982959 (1976-09-01), Partridge et al.

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