Method of preparing a positive electrode for an electrochemical cell. [Li/sub 2/FeS/sub 2/]
A method of preparing an electrochemical cell including a metal sulfide as the positive electrode reactant and lithium alloy as the negative electrochemical reactant with an alkali metal molten salt electrolyte is disclosed that permits the assembly to be accomplished in air. The electrode reactants are introduced in the most part as a sulfide of lithium and the positive electrode metal in a single-phase compound. For instance, Li/sub 2/FeS/sub 2/ is a single-phase compound that is produced by the reaction of Li/sub 2/S and FeS. This compound is an intermediate in the positive electrode cycle from FeS/sub 2/ to Fe and Li/sub 2/S. Its use minimizes volumetric changes from the assembled to the charged and discharged conditions of the electrode and minimizes electrode material interaction with air and moisture during assembly.
- Assignee:
- Dept. of Energy
- Patent Number(s):
- US 4164069
- OSTI ID:
- 5425389
- Country of Publication:
- United States
- Language:
- English
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Method of preparing a positive electrode for an electrochemical cell
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Related Subjects
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
ALKALI METAL COMPOUNDS
ALLOYS
ALUMINIUM ALLOYS
ALUMINIUM BASE ALLOYS
CATHODES
CHALCOGENIDES
CHLORIDES
CHLORINE COMPOUNDS
ELECTRIC BATTERIES
ELECTRIC-POWERED VEHICLES
ELECTROCHEMICAL CELLS
ELECTRODES
ENERGY STORAGE
ENERGY STORAGE SYSTEMS
FABRICATION
HALIDES
HALOGEN COMPOUNDS
IRON COMPOUNDS
IRON SULFIDES
LITHIUM ALLOYS
LITHIUM CHLORIDES
LITHIUM COMPOUNDS
LITHIUM HALIDES
LITHIUM SULFIDES
LITHIUM-SULFUR BATTERIES
METAL-NONMETAL BATTERIES
MOLTEN SALTS
OFF-PEAK ENERGY STORAGE
POTASSIUM CHLORIDES
POTASSIUM COMPOUNDS
SALTS
SILICON ALLOYS
STORAGE
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
VEHICLES