NDLI: Positive electrode fabrication for bi-polar ni-h2 cells

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Positive electrode fabrication for bi-polar ni-h2 cells

Content Provider	NASA Technical Reports Server (NTRS)
Author	Edgar, T. A.
Copyright Year	1984
Description	Bi-Polar nickel hydrogen design studies indicated a potential improvement in energy density and specific energy if positive electrodes could be manufactured in configurations of twice or more of the present normal thickness. Such electrodes would have to achieve similar active material loading, utilization, and cycle life to conventional 0.8mm I.P.U. nickel hydrogen electrodes. A capability for producing 1.0mm dry sinter and 1.5mm slurry sinter structures on production processes and equipment was demonstrated. The EPI/USAF electrochemical impregnation process proved capable of loading thick electrodes to 1.60 g/cubic centimeters void or higher. Sample electrodes incurred 2000 high rate stress cycles without significant structural or performance degradation. Formation regimes developed for thin plaque are not optimal for thick plaque and further investigation into electrode capacity build-up would seem warranted. Thick electrode technology development is continuing under other programs and shows promise of fulfilling the projected energy density and specific energy improvements.
File Size	645510
Page Count	22
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19840025629
Archival Resource Key	ark:/13960/t15n1272g
Language	English
Publisher Date	1984-09-01
Access Restriction	Open
Subject Keyword	Electronics And Electrical Engineering Electrodes Fabrication Nickel Hydrogen Batteries Thickness Metal Powder Life Durability Sintering Impregnating Electrochemistry Design Analysis Optimization Slurries Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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