Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Patent
1975-02-14
1976-09-28
Mack, John H.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
429 31, 429 34, 429185, H01M 1000
Patent
active
039829570
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. aluminium, 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: 3413150 (1968-11-01), Kumner et al.
patent: 3514332 (1970-05-01), Minck
patent: 3758337 (1973-09-01), Fally et al.
patent: 3770502 (1973-11-01), Nakabayashi
patent: 3811943 (1974-05-01), Minck et al.
patent: 3837918 (1974-09-01), Nakabayashi
patent: 3841912 (1974-10-01), Kagawa
patent: 3883367 (1975-05-01), Chiku et al.
Bird Thomas Lewis
Jones Ivor Wynn
Robinson Graham
Lefevour C. F.
Mack John H.
The Electricity Council
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