Accession Number : AD0634100

Title :   LOW-COST, HIGH-ENERGY CATHODES FOR MAGNESIUM PERCHLORATE BATTERIES.

Descriptive Note : Technical rept.,

Corporate Author : ARMY ELECTRONICS COMMAND FORT MONMOUTH N J

Personal Author(s) : Almerini,Achille L.

Report Date : APR 1966

Pagination or Media Count : 22

Abstract : Mercuric oxide cathodes on expanded silver grids have proven their effectiveness in magnesium/magnesium perchlorate reserve type batteries. However, high cost and the critical category of both mercury and silver compounds led to investigations on establishing a low-cost, high-energy depolarizer on an inexpensive grid to replace the mercuric oxide on silver cathode. The report presents findings and preliminary room temperature discharge data at a medium (two-hour) rate primarily for three materials: manganese dioxide, cupric oxide and meta-dinitrobenzene. Data is also presented on various halide depolarizers which did not prove to be nearly as promising. It appears that especially m-dinitrobenzene and manganese dioxide can be developed to the point where they will surpass the performance of mercuric oxide in paractical cells. This, coupled with their low cost, would make possible the development of a much needed, inexpensive, highly efficient expendable battery for operation from -40F to +125F for modern communication applications. (Author)

Descriptors :   (*CATHODES(ELECTROLYTIC CELL), *STORAGE BATTERIES), MAGNESIUM COMPOUNDS, PERCHLORATES, MANGANESE COMPOUNDS, DIOXIDES, NITROBENZENES, COSTS, POLARIZATION

Subject Categories : Electrochemical Energy Storage

Distribution Statement : APPROVED FOR PUBLIC RELEASE