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ADVANCED DEVELOPMENT MODELS OF SEALED NICKEL-CADMIUM BATTERIES.
EAGLE-PICHER CO JOPLIN MO COUPLES DEPT
Development and production work has been directed toward the production of forty 40 each BB-467U, BB-468U, BB-469U, BB-470U, BB-471U, and BB-472U sealed nickel-cadmium batteries. The work has been directed toward the attainment of a new line of nickel-cadmium batteries in accordance with the Signal Corps Technical Requirements SCL-6868B. The batteries have ceramic seals, sintered nickel plaque plates, pellon and polypropylene separation, and contain 1.300 sp. gr. KOH electrolyte. The batteries must meet the specifications as stated in SCL-6868B. These specifications require batteries to discharge at -40F, meet stand test requirements at 80F and 160F, undergo temperature cycling, mechanical shock, acceleration, vibration, constant overcharge, and cycle life tests. Early models of these batteries have passed all these requirements except those for cycle life. Emphasis was placed on cell capacity, high rate discharge, storage at 160F, and constant overcharge using BB-467U batteries for the development units. Author
Final rept. for 5 Apr 64-16 Aug 65,