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Lithdyne, LLC

James J Gormley

W Novis Smith

Joel McCloskey

Joseph B Kejha

An electrochemical device having an operational voltage up to 4.5 V in combination with a high concentration of an electrolyte salt consisting of a tetrafluoroborate salt and a eutectic of two solvents in which ethylene carbonate is one and an improved carbon electrode a preferred electrochemical device is a capacitor.

Carbon electrodes and electrochemical capacitors

Carbon electrodes for a capacitor having conditioned carbon elements in combination with a high concentration of an electrolyte tetrafluoroborate salt and a non-aqueous aprotic solvent to provide an operational voltage up to 4.5V and capacitors used with the carbon electrodes.

There is provided a process for preparing lithium cobaltate and to lithium-containing cobalt oxides which is used in lithium battery cathodes. Also, there is provided cathodes for lithium batteries.

Process for preparing lithium ion cathode material

The present invention provides a process for preparing lithium manganate having lithium-in cell stability by utilizing manganese oxides having lower oxidation states in the furnacing step and by using stoichiometric amounts of lithium hydroxide monohydrate and a manganese oxide in water as a starting mixture. Cr, Ni, Mg, AL oxides are optionally added.

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Ardsley, PA, United States of America

James J Gormley