Electrochemical storage cell

Patent · Tue Jan 15 04:00:00 EST 1980

OSTI ID:5401798

Fischer, W; Haar, W; Kleinschmager, H; Weddigen, G

An electrochemical storage cell or battery is described with at least one anode filled with a molten alkali metal as the anolyte and at least one cathode chamber filled with a sulfur-containing catholyte substance with the anode chamber and the cathode chamber separated from each other by an alkali-ion-conducting solid electrolyte. To the catholyte substance is added an additive which converts the sulfur chains into an electrically charged state for obtaining electromigration of the sulfur phase. This induces mobilization of the sulfur phase in the cathode chamber and prevents major accumulation of liquid sulfur as an insulator. As a result the cell can be repeatedly recharged with large currents to a greater capacity. Additives are a dienophilic compound or a reaction product of a dienophilic compound and sulfur.

• Assignee: Brown Boveri and Cie Ag (Germany, Federal Republic Of)
• Patent Number(s): US 4184013
• OSTI ID: 5401798
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
ADDITIVES
ALKALI METALS
ALKENES
ANODES
CATHODES
DESIGN
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
ELECTRODES
ELECTROLYTES
ELECTROPHORESIS
ELEMENTS
ETHYLENE
FLUIDS
HYDROCARBONS
LIQUID METALS
LIQUIDS
METALS
NITRILES
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PERFORMANCE
SOLID ELECTROLYTES
SULFUR COMPOUNDS