Accession Number : AD0475526


Title :   AUXILIARY ELECTRODE FOR CHARGE CONTROL OF SEALED NICKEL-CADMIUM BATTERIES.


Descriptive Note : Quarterly progress rept. no. 5, 15 Jun-14 Sep 65,


Corporate Author : EDISON (THOMAS A) INDUSTRIES BLOOMFIELD NJ PRIMARY BATTERY DIV


Personal Author(s) : Grieger, Philip F


Report Date : 14 Sep 1965


Pagination or Media Count : 104


Abstract : Eighteen cells (and one replicate) have been tested in the main experiment which calls for two auxiliary positions and three quantities of electrolyte as levels of construction factors, and three rates (C/10, 1C, 5C) and three temperatures (0 F, room, 120 F) as levels of testing factors. At room temperature and 120 F signaling voltage response to pressure is generally good. At 0 F massive H2 evolution occurs on the cadmium electrode thereby causing heavy polarization of the O2-reduction electrode; as a result signaling is adversely affected and may fail to respond to O2. Statistical analysis confirms the conclusion that Side/Semi-dry is the best construction. For this combination auxiliary performance depends upon the state of charge, probably because water is formed during charging; the signaling voltage vs. input curve is thereby improved. Auxiliary behavior is roughly independent of charging rate. (Author)


Descriptors :   *BATTERY COMPONENTS , *NICKEL , PRIMARY BATTERIES , CADMIUM , ELECTRODES , OPERATION , TEMPERATURE , VOLTAGE , HYDROGEN , PRODUCTION , POLARIZATION , OXYGEN , REDUCTION(CHEMISTRY) , CONSTRUCTION , OPTIMIZATION , STATISTICAL ANALYSIS , PERFORMANCE(ENGINEERING) , HERMETIC SEALS , PLATINUM , ELECTROLYTES , POTASSIUM COMPOUNDS , HYDROXIDES , ALKALINE BATTERIES , ALKALINE BATTERIES


Subject Categories : Electrochemical Energy Storage


Distribution Statement : APPROVED FOR PUBLIC RELEASE