U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"The horse is here to stay, the automobile is only a novelty - fad."

President of Michigan Savings Bank ; 1903

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 423/179.5 - Lithium


Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Processes wherein the metal has atomic number 3.
No. of patents: 151
Last issue date: 01/24/2012


1        
NumberTitleIssue Date
8101143Process for producing lithium-containing composite oxide for positive electrode for lithium secondary battery
A process for producing a lithium-containing composite oxide for a positive electrode active material for use in a lithium secondary battery, the oxide having the formula LipNxMmOzFa (wherein N is at least one e...
01/24/2012
8057764Production of lithium compounds directly from lithium containing brines
Methods and apparatus for the production of low sodium lithium carbonate and lithium chloride from a brine concentrated to about 6.0 wt % lithium are disclosed. Methods and apparatus for direct recovery of technical grade lithium chloride from the concentrated brine...
11/15/2011
7981388Process for the purification of lithium salts
The present invention relates to lithium secondary batteries comprising a negative electrode, a positive electrode, a separator and a lithium-based electrolyte carried in an aprotic solvent, and to the electrolyte compositions, and to methods for purifying battery a...
07/19/2011
7959882Method for the production of lithium-rich metal oxides
A process for preparing lithium-rich metal oxides. The process comprises subjecting a mixture of a metal oxide or a metal oxide with low lithium content and a lithium sulfide in a solid state to a thermal treatment to form a lithium-rich metal oxide and elemental su...
06/14/2011
7858057Production of lithium compounds directly from lithium containing brines
Methods and apparatus for the production of low sodium lithium carbonate and lithium chloride from a brine concentrated to about 6.0 wt % lithium are disclosed. Methods and apparatus for direct recovery of technical grade lithium chloride from the concentrated brine...
12/28/2010
7829045Method for producing lithium composite oxide for use as positive electrode active material for lithium secondary batteries
Disclosed herein is a method for producing a lithium composite oxide for use as a positive electrode active material for lithium secondary batteries by a spray pyrolysis process. The method comprises the steps of: subjecting an inorganic acid salt solution of metal ...
11/09/2010
7744835Nanostructure material, method for the preparation thereof
The invention relates to a nanostructured material. The material is a nanostructured carbonaceous material composed of agglomerates of small needles of Li1+αV3O8 and of β-LixV2O5 (0.1≦α≦...
06/29/2010
7547426Production of lithium compounds directly from lithium containing brines
Methods and apparatus for the production of low sodium lithium carbonate and lithium chloride from a brine concentrated to about 6.0 wt % lithium are disclosed. Methods and apparatus for direct recovery of technical grade lithium chloride from the concentrated brine...
06/16/2009
7449161Production of lithium compounds directly from lithium containing brines
Methods and apparatus for the production of low sodium lithium carbonate and lithium chloride from a brine concentrated to about 6.0 wt % lithium are disclosed. Methods and apparatus for direct recovery of technical grade lithium chloride from the concentrated brine...
11/11/2008
7390472Method of making nanostructured lithium iron phosphate—based powders with an olivine type structure
A low cost and scalable processes for producing nanostructured LiFexM1-xPO4 and nanostructured LiFexM1-xPO4/C composite powders, where 1≦x≦0.1 and M is a metal cation, such as Mn, Co, Ni, and V. E...
06/24/2008
7390473Method of making fine lithium iron phosphate/carbon-based powders with an olivine type structure
Processes for producing fine LiFePO4/C and nanostructured LiFexM1−xPO4/C composite powders, where 1≦x≦0.1 and M is a metal cation. Electrodes made of either nanostructured LiFexM1−xPO4
06/24/2008
7348100Product and method for the processing of precursors for lithium phosphate active materials
Methods for producing an electrode active material precursor, comprising: a) producing a mixture comprising particles of lithium hydrogen phosphate, having a first average particle size, and a metal hydroxide, having a second avera...
03/25/2008
7323150Methods for recovering at least one metallic element from ore
A method for recovering at least one metallic element from ore or other material is described and includes reacting ore or other material with a salt capable of recovering the metallic element from the ore or other material to form a reaction product that includes t...
01/29/2008
7288242Lithium-containing complex oxide and method of producing same
A lithium-containing complex oxide exhibits a high performance as a cathode active material of a lithium secondary cell or the like and having a high tap density. A granular lithium-containing complex oxide, such as lithium manganese complex oxide, is made up of “...
10/30/2007
7276218Methods of making transition metal compounds useful as cathode active materials
A method for carrying out solid state reactions under reducing conditions is provided. Solid state reactants include at least one inorganic metal compound and a source of reducing carbon. The reaction may be carried out in a reducing atmosphere in the presence of re...
10/02/2007
7258821Nickel-rich quaternary metal oxide materials as cathodes for lithium-ion and lithium-ion polymer batteries
Positive electrode-active materials for use in lithium-ion and lithium-ion polymer batteries contain quaternary composite oxides of manganese, nickel, cobalt and aluminum where one of the four is present at levels of over 70 mol percent. The composite oxides can be ...
08/21/2007
7247188Particle producing method and particle producing apparatus
A particle producing apparatus includes a reaction container, an introduction portion for introducing a source gas and a reaction inhibitor generating gas into the reaction container, an inert gas introduction portion for introducing a carrier gas into the reaction ...
07/24/2007
7217406Lithium-manganese composite oxide granular secondary particle, method for production thereof and use thereof
Granular secondary particles of a lithium-manganese composite oxide suitable for use in non-aqueous electrolyte secondary batteries showing high-output characteristics which are granular secondary particles made up of aggregated crystalline primary particles of a li...
05/15/2007
7214355Production of lithium compounds directly from lithium containing brines
Metal carbonates that are insoluble in water but that have a corresponding metal biocarbonate salt that is more than 75% by weight soluble in water are purified by preparing an aqueous slurry of the metal carbonate: introducing carbon dioxide gas to form a correspon...
05/08/2007
7211237Solid state synthesis of lithium ion battery cathode material
Single-phase lithium-transition metal oxide compounds containing cobalt, manganese and nickel can be prepared by wet milling cobalt-, manganese-, nickel- and lithium-containing oxides or oxide precursors to form a finely-divided slurry containing well-distributed co...
05/01/2007
7192564Method for recycling spent lithium metal polymer rechargeable batteries and related materials
The method relates to a pyrometallurgical and hydrometallurgical process for the recovery and recycling of lithium and vanadium compounds from a material comprising spent rechargeable lithium batteries, particularly lithium metal gel and solid polymer electrolyte re...
03/20/2007
7157065Production of lithium compounds directly from lithium containing brines
A continuous process for directly preparing high purity lithium carbonate from lithium containing brines by preparing a brine containing about 6.0 wt % lithium and further containing other ions naturally occurring in brines; adding mother liquor containing carbonate...
01/02/2007
7157072Cathode composition for lithium batteries and method of preparing the same
Provided is a cathode composition for lithium secondary battery that includes a lithium-chromium-titanium-manganese oxide that has the formula Li[Li(1-x)/3CrxTi(2/3)yMn2(1-x-y)/3]O2 where 0≦x≦0.3, 0≦y≦0....
01/02/2007
7101521Method for the preparation of cathode active material and method for the preparation of non-aqueous electrolyte
A LiFePO4 carbon composite material is to be synthesized in a single phase satisfactorily to prevent the deterioration of the performance of the cathode active material from occurring and achieve superior cell characteristics. In preparing a cathode activ...
09/05/2006
7094328Strong acids, process for the preparation thereof, and uses thereof
The present invention relates to acids of the general formula [I], [RyPF6-y]−H+ [I], where y=1, 2 or 3, and in which the ligands R may be identical or different and R is a perfluorinated C1-8-alkyl or aryl gro...
08/22/2006
7078009Lepidocrocite type lithium potassium titanate, method for preparation thereof, and friction material
Lepidocrocite lithium potassium titanate characterized as having a composition represented by the formula K0.5-0.7Li0.27Ti1.73O3.85-3.95, and preferably having an arithmetic mean of major and minor diameters of 0.1–100 Î...
07/18/2006
7033555Low temperature lithiation of mixed hydroxides
A low temperature contaminant limiting process for lithiating hydroxides and forming lithiated metal oxides of suitable crystalinity in-situ. M(OH)2 is added to an aqueous solution of LiOH. An oxidant is introduced into the solution which is heated below ...
04/25/2006
7026069Lithium manganese bismuth mixed metal oxide for rechargeable electrochemicals systems
Reacting MnO2, a lithium compound and a bismuth compound produces a lithium battery cathode material for lithium electrochemical systems. The same results can also be achieved by reacting MnO2, lithium, or a compound containing lithium and bism...
04/11/2006
6960335Nanostructured and layered lithium manganese oxide and method of manufacturing the same
Nanostructured and layered lithium manganese oxide powders and methods of producing same. The powders are represented by the chemical formula, LixMn1-yMyO2, where 0.5
11/01/2005
6953566Process for preparing cathode material for lithium batteries
The present invention relates to a novel process based on solid state thermal reaction for the preparation of cathode materials for lithium secondary batteries such as rocking chair and intercalated batteries. ...
10/11/2005
6949233Method of preparing positive active material for rechargeable lithium batteries
A method for preparing a positive active material for a rechargeable lithium battery is provided. In this method, a lithium source, a metal source, and a doping liquid including a doping element are mixed and the mixture is heat-treated. ...
09/27/2005
6921522Production of lithium compounds directly from lithium containing brines
Methods and apparatus for the production of low sodium lithium carbonate and lithium chloride from a brine concentrated to about 6.0 wt % lithium are disclosed. Methods and apparatus for direct recovery of technical grade lithium chloride from the concentrated brine...
07/26/2005
6908708Method of preparing layered lithium-chromium-manganese oxides for lithium batteries
A method of preparing layered lithium-chromium-manganese oxides having the formula Li[CrxLi(1/3−x/3) Mn(2/3−2x/3)]O2 where 0.1≦X≦0.5 for lithium batteries. Homogeneous precipitation is prepared by adding lithium hy...
06/21/2005
6902745Method of manufacturing nano-sized lithium-cobalt oxides by flame spraying pyrolysis
A method for producing nano-sized lithium-cobalt oxide is provided by using flame-spray pyrolysis. The method comprises the steps of: spraying minute droplets, which is a solution dissolved lithium salt with cobalt salt at room temperature; atomizing the minute drop...
06/07/2005
6869547Stabilized electrochemical cell active material
Stabilized lithiated manganese oxide (LMO) is prepared by reacting cubic spinel lithium manganese oxide particles and particles of an alkali metal compound in air for a time and at a temperature sufficient to decompose at least a portion of the alkali metal compound...
03/22/2005
6844103Apparatus and method of recovering lithium cobalt oxide from spent lithium batteries
An apparatus and method is provided for recovering lithium cobalt oxide from spent lithium batteries. The method of recovering lithium cobalt oxide comprises the steps of: separating the cathodes from spent lithium batteries by dismantling; producing lithium cobalt ...
01/18/2005
6827921Nanostructured Li4Ti5O12 powders and method of making the same
Ultrafine powders of Li4Ti5O12 with particles in the size range of 25-500 nm. The average size of particles is about 500 nm of less, preferably about 300 nm or less. The particles are composed of nanocrystallites, which have an avera...
12/07/2004
6756155Positive active material for rechargeable lithium batteries and method of preparing same
Disclosed is a positive active material for a rechargeable lithium battery. The active material includes a cobalt-based compound selected from the group consisting of the compounds represented by the formulas 1 to 4. The active material has a structure of secondary ...
06/29/2004
6749648Lithium metal oxides
Lithium metal oxide particles have been produced having average diameters less than about 100 nm. Composite metal oxides of particular interest include, for example, lithium cobalt oxide, lithium nickel oxide, lithium titanium oxides and derivatives thereof. These n...
06/15/2004
6716372Lithium-containing materials
The invention provides novel lithium-mixed metal materials which, upon electrochemical interaction, release lithium ions, and are capable of reversibly cycling lithium ions. The invention provides a rechargeable lithium battery which comprises an electrode formed fr...
04/06/2004
1        
 
Sign InRegister
Username  
Password   
forgot password?