Rechargeable electrochemical cell with cathode of stoichiometric titanium disulfide. [Li/TiS/sub 2/]
Stoichiometric titanium disulfide having a high degree of crystalline perfection and particularly suited for use as an active cathode material is prepared by heating particulate metallic titanium to a reaction temperature between about 475/sup 0/ and 600/sup 0/C contacting the heated titanium with an atmosphere having a sulfur partial pressure substantially equal to the equilibrium sulfur partial pressure at the reaction temperature to form titanium disulfide, and maintaining the reactants at the reaction temperature sufficiently to insure complete reaction. A battery is described which employs a lithium anode, an electrolyte of lithium perchlorate dissolved in an organic solvent, and stoichiometric titanium disulfide having a single hexagonal phase and a particle size surface area between about 2 and 4 square meters per gram.
- Assignee:
- Exxon Research and Engineering Co.
- Patent Number(s):
- US 4084046
- OSTI ID:
- 6681397
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
36 MATERIALS SCIENCE
360601 -- Other Materials-- Preparation & Manufacture
ALKALI METAL COMPOUNDS
ALKALI METALS
CATHODES
CHALCOGENIDES
CHEMICAL PREPARATION
CHLORINE COMPOUNDS
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
ELECTRODES
ELEMENTS
ENERGY STORAGE SYSTEMS
FURANS
HALOGEN COMPOUNDS
HETEROCYCLIC COMPOUNDS
HIGH TEMPERATURE
LITHIUM
LITHIUM COMPOUNDS
LITHIUM-SULFUR BATTERIES
METAL-NONMETAL BATTERIES
METALS
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
OXYGEN COMPOUNDS
PERCHLORATES
SULFIDES
SULFUR COMPOUNDS
SYNTHESIS
TITANIUM COMPOUNDS
TITANIUM SULFIDES
TRANSITION ELEMENT COMPOUNDS