NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Long life, rechargeable nickel-zinc batteryA production version of the inorganic separator was evaluated for improving the life of the nickel-zinc system. Nickel-zinc cells (7-10 Ah capacities) of different electrode separator configurations were constructed and tested. The nickel-zinc cells using the inorganic separator encasing the zinc electrode, the nickel electrode, or both electrodes had shorter lives than cells using Visking and cellophane separation. Cells with the inorganic separation all fell below 70% of their theoretical capacity within 30 cycles, but the cells constructed with organic separation required 80 cycles. Failure of the cells using the ceramic separator was irreversible capacity degradation due to zinc loss through cracks developed in the inorganic separator. Zinc loss through the separator was minimized with the use of combinations of the inorganic separator with Visking and cellophane. Cells using the combined separation operated 130 duty cycles before degrading to 70% of their theoretical capacity.
Document ID
19740026426
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Luksha, E.
(Gould, Inc. Mendota Heights, MN, United States)
Date Acquired
September 3, 2013
Publication Date
September 1, 1974
Subject Category
Auxiliary Systems
Report/Patent Number
GOULD-742-031
NASA-CR-134658
Accession Number
74N34539
Funding Number(s)
CONTRACT_GRANT: NAS3-16809
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
No Preview Available