Battery BB-674( )/U Nickel-Zinc Secondary.
Final rept. Apr 70-May 71,
EAGLE-PICHER INDUSTRIES INC JOPLIN MO COUPLES DEPT
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The design, development and test of the BB-674 U battery is described in detail. The BB-674 U is a 4 cell nickel-zinc secondary battery. It is rated at 6.5 volts and 35 ampere-hours capacity. The design has 40 A-H of positive capacity in standard sintered nickel plates and teflonated ZnO negative plates. The zinc plates have almost 4 times the required coulombic capacity and are equal in area to the positive plates but are edge densified to retard shape change. The searator consists of 2 layers of fibrous visking plus Pellon bags on both positive and negative electrodes. The BB-674 U successfully completed its qualification test program for advanced development models of this battery. The qualification test results are presented for shock, vibration, low temperature charge retention, cycle life high rate tests. As a result of this program, the BB-674 U design was considered to have passed qualification testing. Author
- Electrochemical Energy Storage