Accession Number : ADA018705

Title :   Lithium-Inorganic Electrolyte Batteries.

Descriptive Note : Quarterly rept. no. 7, 16 Mar-15 Jun 75,

Corporate Author : EIC INC NEWTON MASS

Personal Author(s) : Driscoll,Joseph R. ; Holleck,Gerhard L. ; Toland,David E.

Report Date : NOV 1975

Pagination or Media Count : 30

Abstract : An all-inorganic electrolyte, lithium primary battery operable over the temperature range -40 to +160F is being evaluated. The desired energy density is 150 watt-hours per pound of total battery weight and the desired power density is 50 watts per pound. The present report contains data regarding the film formation after storage at 71C and initial experiments towards the determination of the charge equivalent involved in the reduction of SOCl2. Li/SOCl2 cells show large voltage delays due to Li electrode polarization after storage for 4 to 9 days at 71C under high purity conditions. Fresh Li electrodes can support large anodic current densities >200 mA/sq cm. Stored electrodes showed low currents approximately 0.3 mA/sq cm which are practically independent of electrode polarization between 0.5 and 3.0 V vs. Li. Electrolyte additives or substitution of Li by a Li/Sn alloy did not significantly alter the voltage delay behavior.

Descriptors :   *Primary batteries, Lithium, Thionyl chloride, Chemical reactions, Reliability(Electronics), Stoichiometry, Films, Storage, Temperature, Additives, Electrolytes, Electrodes, Reduction(Chemistry)

Subject Categories : Electrochemical Energy Storage

Distribution Statement : APPROVED FOR PUBLIC RELEASE