Lithdyne International

Lithdyne, LLC

Other

Lakeland Industries, Inc.

Toxco, Inc.

Retriev Technologies Incorporated

Lithchem International

Lithdyn International

Lithdyne Internatioal Inc.

Joel McCloskey

W Novis Smith

James J Gormley

Joseph B Kejha

Kelly Bradford

Andrew Atterbury

Jonathan Maeyer

There is provided an improvement for capacitors having activated carbon electrodes by the use of an electrolyte solution containing a carbonate of the formula RO(C&#x2550;O)ORand a conductive salt such as a lithium salt or a quaternary ammonium salt at a concentration of from 0.6 to 3 mol/l.

Capacitors having conditioned carbon for electrodes

The present invention provide novel compounds and electrolyte solutions which can be used in capacitors and lithium batteries and which have a liquidus range of from about &#x2212;65 to about 171 degrees C.

Electrolyte solution for capacitors and batteries

The present invention provides electrolytes for use in electronic devices which contain imidazolium salts in combination with high boiling aprotic solvents having lower flammability and lower toxicity than acetonitrile electrolytes.

Non-aqueous electrolyte

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.

Process for preparing lithium manganate

The present invention provides electrolytes for use in electronic devices at temperature below &#x2212;50&#xb0; C. consisting of a mixture, eutectic or tereutectic of at least two low viscosity aprotic solvents, acetonitrile, and a mixture of conductive salts having a molecular weight up to 240.

Low temperature non-aqueous electrolyte

A non-aqueous electrolyte for electric storage devices consisting of a nitrile solvent and a complex salt formed by the reaction of a tetraalkyl ammonium salt and hydrogen fluoride. The electrolyte may include a component which a cation of an imidazolium or quaternary tetraalkylammonium salt.

Non-aqueous electrolytes for electrical storage devices

A non-aqueous electrolyte for use in batteries and electrical capacitors for use at low temperatures. The electrolyte consists of at least two electrolyte salts in an electrochemical solvent or at least one electrolyte salt in a mixture of electrochemical solvents.

The present invention provides a method for forming dust free lithium hydroxide monohydrate. The method contains the step of coating the lithium hydroxide with 0.2 to 1.5% by weight of paraffinic oils.

Dust free lithium hydroxide

A process for the preparation of high purity arsenic pentafluoride in high yield. The process uses sulfur trioxide or oleum and an excess of hydrogen fluoride to react arsenic acid or arsenic pentoxide in a reaction medium containing an excess of hydrogen fluoride to yield high purity arsenic pentafluoride as a gas.

Preparation of arsenic pentafluoride

There is provided novel polycarbonate polymers and oligomers for use as electrolytes in electrochemical devices having a higher content of organic carbonates so as to enhance electrical conductivity. The polymers are prepared by a condensation reaction or by ester exchange.

Polycarbonate oligomers and polymers for use in electrolytes

The present invention provides a process for preparing hexafluorophosphoric acid complexed with about 1 to 3.3 molecules of water which are stable at temperatures below 20&deg; C. and the compositions prepared thereby.

Preparation of hexafluorophosphoric acid

A non-aqueous electrolyte for use in batteries and electrical capacitors for use at low temperatures. The electrolyte consists of at least two quaternary ammonium salts in a nitrile solvent.

Growing community of inventors

Philadelphia, PA, United States of America

Joel McCloskey