Negative-limited sealed nickel-cadmium cells are a possible means toward increasing the lire of nickel-cadmium cells to about a decade or more. The purpose of this program is to design, construct, and test 100, 20 Ah and 100,30 Ah negative-limited sealed cells. Fifty-two cells from each group will be selected and delivered to JPL. The remaining 48 cells of each group will be tested by Gould. The cell design was completed and hardware was ordered during the first quarter. Electrode fabrication was started in the first quarter and carried on through the second quarter. The fabrication and selection of the necessary electrodes has been completed during the third quarter. Cell construction h.3s been com¬pleted and the preparatory cell cycling is underway. The preliminary testing to select the initial delivery cell has been started.
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