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Lithium Carbonate

Lithium Carbonate-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Preparation method of nickel-lithium metal composite oxide
Cs Energy Materials Ltd.
June 01, 2017 - N°20170155147

The disclosure realize high performance and reduction in cost of a lithium ion battery positive electrode active material. A preparation method of a nickel-lithium metal composite oxide represented by formula liani1-x-ycoxmyob, including a mixing step of raw materials and a precursor with each other, a low-temperature firing step of performing the firing at a temperature lower than a melting ...
Negative electrode material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, ...
Cs Energy Materials Ltd.
May 25, 2017 - N°20170149050

The present invention is a negative electrode material for a non-aqueous electrolyte secondary battery, including negative electrode active material particles composed of a silicon compound (siox, where 0. 5≦x≦1. 6) containing a lithium compound, the negative electrode active material particles being coated with a coating containing at least two of a substance having two or more hydroxyl groups per molecule, ...
Method for producing lithium carbonate
Toyo Engineering Corporation
April 27, 2017 - N°20170113942

The present invention provides a method for producing lithium carbonate, that can shorten the time required in the production of lithium carbonate and has excellent maintenance property and production efficiency without forming fixed matters that require complicated procedures to remove in a reaction apparatus.
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Process for making fluorinated lithiated mixed transition metal oxides
Basf Se
March 09, 2017 - N°20170069911

Process for making a fluorinated lithiated transition metal oxide, comprising the step of treating a lithiated transition metal oxide containing at least two different transition metal cations and, as an impurity, at least one lithium compound selected from lithium hydroxide, lithium oxide and lithium carbonate and from combinations of at least two thereof, with at least one fluorine compound selected ...
Process for obtaining lithium from aluminosilicates and intermediate compounds
Universidad Nacional De Cuyo
January 26, 2017 - N°20170022068

Process for obtaining lithium compounds and intermediate compounds, comprising the following steps: a) contacting aluminosilicate particles, for example α-spodumene, with at least one fluorine compound, for example hf, naf or others; b) stirring the mixture increasing the temperature until reaching an appropriate temperature; c) carrying out at least a precipitation and filtration process of the mixture of step ...
Nonaqueous electrolyte secondary battery and method for manufacturing the same
Sanyo Electric Co., Ltd.
December 29, 2016 - N°20160380303

A nonaqueous electrolyte secondary battery includes a prismatic housing having an opening and a sealing member sealing the opening. The prismatic housing contains a flat-wound electrode assembly and a nonaqueous electrolyte. The flat-wound electrode assembly includes a positive electrode and a negative electrode. The positive electrode includes a positive electrode substrate and a positive electrode active material mixture layer formed ...
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Method for producing lithium composition and method for producing sulfide solid electrolyte material
Toyota Jidosha Kabushiki Kaisha
December 15, 2016 - N°20160365603

A method for producing a lithium composition capable of suppressing the generation of polysulfides is provided. The method for producing a lithium composition includes a first aqueous solution forming step of forming a first aqueous solution by reacting iodine with a reducing aqueous solution containing calcium oxide, formic acid, and water under a condition of a ph of 5. 5 or more ...
Method for producing alpha-lithium aluminate
Nippon Chemical Industrial Co., Ltd.
December 01, 2016 - N°20160347623

The purpose of the present invention is to provide an industrially advantageous method for producing α-lithium aluminate which has physical properties that are suitable for use as an electrolyte holding plate of a mcfc having excellent thermal stability, even if the α-lithium aluminate is a fine material having a bet specific surface area of 10 m2/g ...
Corona ignition device with improved seal
Federal-mogul Ignition Company
November 24, 2016 - N°20160344165

An electrically conductive glass seal for providing a hermetic bond between an electrically conductive component and an insulator of a corona igniter is provided. The glass seal is formed by mixing glass frits, binder, expansion agent, and electrically conductive metal particles. The glass frits can include silica (sio2), boron oxide (b2o3), aluminum oxide (al2o3), bismuth oxide (bi2o3), ...
Spark plug with improved seal
Federal-mogul Ignition Company
November 24, 2016 - N°20160344164

An electrically conductive glass seal for providing a hermetic bond between an electrically conductive component and an insulator of a spark plug is provided. The glass seal is formed by mixing glass frits, binder, expansion agent, and electrically conductive metal particles. The glass frits can include silica (sio2), boron oxide (b2o3), aluminum oxide (al2o3), bismuth oxide (bi2o3), ...
Processes and systems for preparing lithium carbonate
Nemaska Lithium Inc.
September 15, 2016 - N°20160265085

There are provided processes comprising submitting an aqueous composition comprising lithium sulphate and/or bisulfate to an electrolysis or an electrodialysis for converting at least a portion of said sulphate into lithium hydroxide. During electrolysis or electrodialysis, the aqueous composition is at least substantially maintained at a ph having a value of about 1 to about 4; and converting said lithium hydroxide ...
Method and system for preparing high purity lithium carbonate
Guangzhou Ruishi Tianqi Energy Technology Co., Ltd
August 04, 2016 - N°20160221833

The invention discloses a preparation method and system of high purity lithium carbonate. The preparation method comprises: concentrating carbonic acid type salt lake bittern, then heating up to saturate, crystallize and separate out the lithium carbonate, and collecting crystals to obtain refined salts of lithium carbonate; flushing the collected refined salts of lithium carbonate with distilled water with a temperature ...
Method for manufacturing cathode electrode materials
Hitachi Metals, Ltd.
June 02, 2016 - N°20160156020

Provided is a method for manufacturing a cathode electrode material, including the step of performing calcination of a mixture of lithium carbonate and a compound containing ni, and capable of mass-producing a cathode electrode material including a lithium composite oxide with high ni concentration industrially. The manufacturing method includes a mixture step of mixing lithium carbonate and a compound including ...
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Method and system for quickly extracting lithium carbonate from saline lake water
Tibet Jin Hao Investment Co., Ltd.
April 28, 2016 - N°20160115040

The present invention discloses a method for quickly extracting lithium carbonate from saline lake water and a system for the same. The method comprises: first quick-freezing the saline lake water to obtain lithium-rich brine, then evaporating under reduced pressure to enable lithium carbonate to be rapidly precipitated out. The method has advantages of short process flow and less labor consumption, ...
Positive electrode active material for lithium ion secondary battery, and positive electrode for lithium ion ...
Hitachi Metals, Ltd.
April 07, 2016 - N°20160099460

A positive electrode active material includes a primary particle represented by compositional formula (1): li1+xniycozm1−x−y−zo2 (1), where x is a number satisfying a relation represented by an expression −0. 12≦x≦0. 2; y is a number satisfying a relation represented by an expression 0. 7≦y≦0. 9; z is a number satisfying a relation represented by ...
Method for producing positive electrode active material layer for lithium ion battery, and positive electrode ...
Toyota Jidosha Kabushiki Kaisha
March 03, 2016 - N°20160064729

To provide a method for producing a positive electrode active material layer for lithium ion battery that can improve durability and internal resistance of lithium ion battery, and particularly lithium ion battery that operates at high voltage. The method for producing positive electrode active material layer for a lithium ion battery includes coating a substrate with positive electrode mixture slurry ...
Spark plug with improved seal
Federal-mogul Ignition Company
February 11, 2016 - N°20160043531

An electrically conductive glass seal for providing a hermetic bond between an electrically conductive component and an insulator of a spark plug is provided. The glass seal is formed by mixing glass frits, binder, expansion agent, and electrically conductive metal particles. The glass frits can include silica (sio2), boron oxide (b2o3), aluminum oxide (al2o3), bismuth oxide (bi2o3), ...
Corona ignition device with improved seal
Federal-mogul Ignition Company
February 11, 2016 - N°20160039712

An electrically conductive glass seal for providing a hermetic bond between an electrically conductive component and an insulator of a corona igniter is provided. The glass seal is formed by mixing glass frits, binder, expansion agent, and electrically conductive metal particles. The glass frits can include silica (sio2), boron oxide (b2o3), aluminum oxide (al2o3), bismuth oxide (bi2o3), ...
Modified cement tile adhesive and grout
Laticrete International, Inc.
November 26, 2015 - N°20150336844

Methods of formulating, premixed cement-based tiling compositions and application of such premixed cement-based tiling compositions as an adhesive or grout. The premixed cement-based tiling compositions include a premixed cementitious slurry having a ph and an alkali activation constituent. The premixed cementitious slurry includes an aluminous or a calcium aluminate cement slurry in an amount of about 35 wt. % to 50 wt. % in ...
Process for producing carbonate compound and cathode active material
Laticrete International, Inc.
November 05, 2015 - N°20150318538

A process for producing a carbonate compound, which comprises mixing a sulfate (a) comprising a sulfate comprising a sulfate of mn and a sulfate of ni, or a sulfate comprising a sulfate of mn, a sulfate of ni and a sulfate of co, and a carbonate (b) which is at least one carbonate selected from the group consisting of sodium ...
Cold water detergent composition and method
Laticrete International, Inc.
November 05, 2015 - N°20150315518

A cold water cleaning composition containing a peroxy compound, a chelating agent, a silicate, an acrylic polymer, an anionic surfactant, an amphoteric surfactant and an ionic surfactant in a basic composition using a water soluble metal hydroxide and a water soluble metal carbonate is provided. The base for the detergent is a water soluble metal alkali such as sodium, potassium ...
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