L. Redey
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View article: Overcharge tolerant high-temperature cells and batteries
Overcharge tolerant high-temperature cells and batteries Open
In a lithium-alloy/metal sulfide high temperature electrochemical cell, cell damage caused by overcharging is avoided by providing excess lithium in a high-lithium solubility phase alloy in the negative electrode and a specified ratio maxi…
View article: Overdischarge protection in high-temperature cells and batteries
Overdischarge protection in high-temperature cells and batteries Open
Overdischarge indication and protection is provided in a lithium alloy - metal sulfide, secondary electrochemical cell and batteries of such cells through use of a low lithium activity phase that ordinarily is not matched with positive ele…
View article: Electrochemical cell with high discharge/charge rate capability
Electrochemical cell with high discharge/charge rate capability Open
A fully charged positive electrode composition for an electrochemical cell includes FeS/sub 2/ and NiS/sub 2/ in about equal molar amounts along with about 2 to 20 mole % of the reaction product Li/sub 2/S. Through selection of appropriate…
View article: Multi-functional sensor system for molten salt technologies
Multi-functional sensor system for molten salt technologies Open
The present invention relates to a multi-functional sensor system that simultaneously measures cathode and anode electrode potentials, dissolved ion (i.e. oxide) concentration, and temperatures in an electrochemical cell. One embodiment of…
View article: Multifunctional reference electrode
Multifunctional reference electrode Open
A multifunctional, low mass reference electrode of a nickel tube, thermocouple means inside the nickel tube electrically insulated therefrom for measuring the temperature thereof, a housing surrounding the nickel tube, an electrolyte havin…
View article: Membrane reference electrode
Membrane reference electrode Open
A reference electrode utilizes a small thin, flat membrane of a highly conductive glass placed on a small diameter insulator tube having a reference material inside in contact with an internal voltage lead. When the sensor is placed in a n…