Sodium sulphur cells. [current collector design]
Patent
·
OSTI ID:5240911
In a sodium--sulfur cell, the cathode current collector in the sulfur/polysulfide 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 sulfur/polysulfides and a graphite felt. The outer surface of the graphite tube in this case may have grooves or recesses to form a sulfur reservoir. 1 figure.
- Assignee:
- Electricity Council
- Patent Number(s):
- US 4061840
- OSTI ID:
- 5240911
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
25 ENERGY STORAGE
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
ALUMINIUM
CARBON
CATHODES
ELECTRIC BATTERIES
ELECTRIC CONDUCTORS
ELECTROCHEMICAL CELLS
ELECTRODES
ELEMENTS
ENERGY STORAGE SYSTEMS
GRAPHITE
METAL-NONMETAL BATTERIES
METALS
NONMETALS
SODIUM-SULFUR BATTERIES
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
ALUMINIUM
CARBON
CATHODES
ELECTRIC BATTERIES
ELECTRIC CONDUCTORS
ELECTROCHEMICAL CELLS
ELECTRODES
ELEMENTS
ENERGY STORAGE SYSTEMS
GRAPHITE
METAL-NONMETAL BATTERIES
METALS
NONMETALS
SODIUM-SULFUR BATTERIES