Uncharged positive electrode composition
Patent
·
OSTI ID:862781
- Lisle, IL
- Naperville, IL
- Hinsdale, IL
An uncharged positive-electrode composition contains particulate lithium sulfide, another alkali metal or alkaline earth metal compound other than sulfide, e.g., lithium carbide, and a transition metal powder. The composition along with a binder, such as electrolytic salt or a thermosetting resin is applied onto an electrically conductive substrate to form a plaque. The plaque is assembled as a positive electrode within an electrochemical cell opposite to a negative electrode containing a material such as aluminum or silicon for alloying with lithium. During charging, lithium alloy is formed within the negative electrode and transition metal sulfide such as iron sulfide is produced within the positive electrode. Excess negative electrode capacity over that from the transition metal sulfide is provided due to the electrochemical reaction of the other than sulfide alkali metal or alkaline earth metal compound.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL
- Assignee:
- United States of America as represented by United States Energy (Washington, DC)
- Patent Number(s):
- US 4011373
- OSTI ID:
- 862781
- Country of Publication:
- United States
- Language:
- English
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charged positive
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compound
conductive
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due
earth
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electrically
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electrochemical
electrochemical cell
electrochemical reaction
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electrode containing
electrolytic
electrolytic salt
excess
form
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iron
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lithium
lithium alloy
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