Use of hydrogen-absorbing electrode in alkaline battery. [For protection against electrochemical damage due to battery reversal]
Alkaline batteries are described in which a special electrode is incorporated in the positive electrode in order to give added protection against electrochemical damage due to battery reversal. This special electrode contains a hydrogen-absorbing material which also acts as a hydrogen electrode for the conversion of hydrogen ions into elemental hydrogen. Such alkaline batteries are particularly well protected against hydrogen overpressure due to battery reversal with only a small penalty in energy density. Particularly suitable for this application is the use of a hydrogen-absorbing material with nominal formula LnM/sub 5/, in which Ln represents a lanthanide metal and M is either cobalt or nickel. 3 figures.
- Assignee:
- Bell Telephone Labs., Inc.
- Patent Number(s):
- US 3980501
- OSTI ID:
- 7343557
- Resource Relation:
- Patent File Date: Filed date 19 Jun 1974
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ELECTRIC BATTERIES
CATHODES
NICKEL-CADMIUM BATTERIES
NICKEL-ZINC BATTERIES
SILVER-CADMIUM BATTERIES
SILVER-ZINC BATTERIES
ZINC-MANGANESE BATTERIES
ABSORPTION
COBALT BASE ALLOYS
GASES
HYDROGEN
HYDROGEN IONS
HYDROXIDES
INTERMETALLIC COMPOUNDS
MISCH METAL
LANTHANUM ALLOYS
NICKEL BASE ALLOYS
SAMARIUM ALLOYS
ALLOYS
CERIUM ALLOYS
CERIUM BASE ALLOYS
CHARGED PARTICLES
COBALT ALLOYS
CRYOGENIC FLUIDS
ELECTROCHEMICAL CELLS
ELECTRODES
ELEMENTS
ENERGY STORAGE SYSTEMS
FLUIDS
HYDROGEN COMPOUNDS
IONS
METAL-METAL OXIDE BATTERIES
NICKEL ALLOYS
NONMETALS
OXYGEN COMPOUNDS
RARE EARTH ALLOYS
250903* - Energy Storage- Batteries- Materials
Components
& Auxiliaries