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Electrochemical cell

Patent ·
OSTI ID:5311089

An improved secondary electrochemical cell is disclosed having a negative electrode of lithium aluminum, a positive electrode of iron sulfide, a molten electrolyte of lithium chloride and potassium chloride, and the combination that the fully charged theoretical capacity of the negative electrode is in the range of 0.5 to 1.0 that of the positive electrode. The cell thus is negative electrode limiting during discharge cycling. Preferably, the negative electrode contains therein, in the approximate range of 1 to 10 volume % of the electrode, an additive from the materials of graphitized carbon, aluminum-iron alloy, and/or magnesium oxide.

DOE Contract Number:
W-31109-ENG-38
Assignee:
EDB-84-029119
Patent Number(s):
None
Application Number:
ON: DE84005948
OSTI ID:
5311089
Country of Publication:
United States
Language:
English

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Related Subjects

25 ENERGY STORAGE
250901* -- Energy Storage-- Batteries-- Design & Development
ADDITIVES
ALKALI METAL COMPOUNDS
ALKALINE EARTH METAL COMPOUNDS
ALLOYS
ALUMINIUM ALLOYS
CARBON
CHALCOGENIDES
CHLORIDES
CHLORINE COMPOUNDS
DESIGN
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
ELECTRODES
ELEMENTS
HALIDES
HALOGEN COMPOUNDS
IRON ALLOYS
IRON COMPOUNDS
IRON SULFIDES
LITHIUM ALLOYS
LITHIUM CHLORIDES
LITHIUM COMPOUNDS
LITHIUM HALIDES
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
NONMETALS
OXIDES
OXYGEN COMPOUNDS
POTASSIUM CHLORIDES
POTASSIUM COMPOUNDS
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPOUNDS