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Bending Properties of Nickel Electrodes for Nickel-Hydrogen Batteries
Offline Availability: Go to Request Form
Author and Affiliation:
Lerch, Brad A.(NASA Lewis Research Center, Cleveland, OH United States)
Wilson, Richard M.(NASA Lewis Research Center, Cleveland, OH United States)
Keller, Dennis(Real World Quality Systems, Cleveland, OH United States)
Corner, Ralph(NYMA, Inc., Brook Park, OH United States)
Abstract: Recent changes in manufacturing have resulted in nickel-hydrogen batteries that fail prematurely by electrical shorting. This failure is believed to be a result of a blistering problem in the nickel electrodes. In this study, the bending properties of nickel electrodes are investigated in an attempt to correlate the bending properties of the electrode with its propensity to blister. Nickel electrodes from three different batches of material were tested in both the as-received and impregnated forms. The effects of specimen curvature and position within the electrode on the bending strength were studied, and within-electrode and batch-to-batch variations were addressed. Bend strength was found to increase with the amount of surface loading.
Publication Date: Dec 01, 1996
Document ID:
19970009449
(Acquired Mar 05, 1997)
Accession Number: 97N14943
Subject Category: ENERGY PRODUCTION AND CONVERSION
Document Type: Conference Paper
Publication Information: Space Electrochemical Research and Technology; 23-40; (NASA-CP-3337); (SEE 19970009446)
Financial Sponsor: NASA Lewis Research Center; Cleveland, OH United States
Organization Source: NASA Lewis Research Center; Cleveland, OH United States
Description: 18p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: No Copyright
NASA Terms: ELECTRODES; FLEXURAL STRENGTH; NICKEL HYDROGEN BATTERIES; SHORT CIRCUITS; ELECTRODE MATERIALS; BENDING; MANUFACTURING; CURVATURE; BLISTERS; BEND TESTS
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