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7390473 |
Method of making fine lithium iron phosphate/carbon-based powders with an olivine type structure
Processes for producing fine LiFePO 4 /C and nanostructured LiFe x M 1−x PO 4 /C composite powders, where 1≦x≦0.1 and M is a metal cation. Electrodes made of either nanostructured LiFe x M...
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7390472 |
Method of making nanostructured lithium iron phosphate—based powders with an olivine type structure
A low cost and scalable processes for producing nanostructured LiFe x M 1-x PO 4 and nanostructured LiFe x M 1-x PO 4 /C composite powders, where 1≦x≦0.1 and M is a metal cation, such as Mn,...
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7348100 |
Product 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...
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7323150 |
Methods 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...
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7288242 |
Lithium-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...
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7276218 |
Methods 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...
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7258821 |
Nickel-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...
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7217406 |
Lithium-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...
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7214355 |
Production 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...
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7192564 |
Method 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...
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7157072 |
Cathode 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)/3 Cr x Ti (2/3)y Mn 2(1-x-y)/3 ]O 2 where...
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7101521 |
Method for the preparation of cathode active material and method for the preparation of non-aqueous electrolyte
A LiFePO 4 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...
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7094328 |
Strong acids, process for the preparation thereof, and uses thereof
The present invention relates to acids of the general formula [I], [R y PF 6-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...
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7078009 |
Lepidocrocite type lithium potassium titanate, method for preparation thereof, and friction material
Lepidocrocite lithium potassium titanate characterized as having a composition represented by the formula K 0.5-0.7 Li 0.27 Ti 1.73 O 3.85-3.95 , and preferably having an arithmetic mean of major...
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7033555 |
Low 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...
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7026069 |
Lithium manganese bismuth mixed metal oxide for rechargeable electrochemicals systems
Reacting MnO 2 , 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 MnO 2 ,...
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6908708 |
Method of preparing layered lithium-chromium-manganese oxides for lithium batteries
A method of preparing layered lithium-chromium-manganese oxides having the formula Li[Cr x Li (1/3−x/3) Mn (2/3−2x/3) ]O 2 where 0.1≦X≦0.5 for lithium batteries. Homogeneous precipitation...
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6902745 |
Method 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...
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6869547 |
Stabilized 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...
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6844103 |
Apparatus 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...
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6827921 |
Nanostructured Li4Ti5O12 powders and method of making the same
Ultrafine powders of Li 4 Ti 5 O 12 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...
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6749648 |
Lithium 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...
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6716372 |
Lithium-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...
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6702961 |
Preparation of lithium-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...
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6592832 |
Method for producing highly pure lithium salts
A process for preparing a high purity lithium salt from lithium carbonate comprises steps A to D as defined hereinbelow: A: treating a mixture comprising lithium carbonate and water by means of CO...
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6555078 |
Method of preparing lithium salts
The present invention provides an inexpensive process for the preparation of lithium salts of formula LiX having a desired or required level of purity using lithium chloride and lithium sulfate. In...
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6547836 |
Process for obtaining monohydrated lithium sulfate from natural brines
A process for obtaining monochlorated lithium sulfate from natural brines by mixing two brines: one saturated or nearly saturated with silvite (KCl), carnallite (KCl, MgCl 2 .6H 2 O), and lithium...
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6528033 |
Method of making lithium-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...
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6511639 |
Process for recycling negative-electrode materials from spent lithium batteries
A process for recycling electrode materials from spent lithium batteries in which negative-electrode materials from the lithium/transition-metal mixed oxide class of compounds from discharged,...
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6503473 |
Process for separating solid compound other than lithium hydroxide
A process for separating a solid compound other than lithium hydroxide, such as sodium chloride, in which lithium hydroxide is hydrosulfurized by bubbling gaseous hydrogen sulfide through an...
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6482374 |
Methods for producing lithium metal oxide particles
Lithium manganese oxide particles have been produced with an average diameter less than about 250 nm. The particles have a high degree of uniformity. The particles can be formed by the heat...
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6447739 |
Method for producing lithium transition metallates
The invention relates to a method for producing lithium transition metalates of the general formula (I): Li x (M 1 y M 2 1−y ) n O nz , where M 1 represents lithium, cobalt or manganese; M 2 ...
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6348094 |
SAW or LSAW device piezoelectric single crystal wafer and method of making
A piezoelectric single crystal wafer for SAW or LSAW devices has an x-ray rocking curve half width of up to 0.06° on the wafer surface on which electrodes are to be formed for transmitting and...
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6296830 |
Layered structure manganese dioxide for cathode material in lithium rechargeable cell and process for producing the same
A layered structure manganese dioxide (MnO 2 ) of which oxide lattices are in the pattern of pseudo-hexagonal close packing ( . . . AABB . . . ) and has hexagonal P6 3 /mmc space group or...
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6280693 |
Composition for the recovery of lithium values from brine and process of making/using said composition
The present invention is a composition comprising pellets, each of said pellets consisting essentially of an integral mass of polycrystalline material of randomly disposed crystals of hydrated...
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6261712 |
Method of reclaiming cathodic active material of lithium ion secondary battery
Disclosed is a method of reclaiming a cathodic active material of lithium ion secondary batteries. The lithium ion secondary battery is broken and the casing and the content are separated to remove...
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6248817 |
Infrared absorber and agricultural film
An infrared absorber which comprises containing as an effective ingredient a hydroxide complex salt represented by the formula [Al 2 (Li (1-x).+M 2 + (x+y)(OH) (6+2y) ] n (A n -) (1+x).mH 2 O...
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6214493 |
Manganese oxide based material for an electrochemical cell
A novel layered material for use in electrochemical cells is provided, together with a method for producing the layered material, and a cell having the layered material as the positive electrode....
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6210830 |
Lithium fluorophosphates and their use as conducting salts
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6207129 |
Lithiated manganese oxide
The invention is a process which provides a high purity lithiated manganese oxide (Li 1 +x Mn 2 -y O 4 ) from chemically made MnO 2 . The lithiated manganese oxide has an especially effective...
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6197152 |
Process and apparatus for recovery of lithium in a helminthoid evaporator
A process and apparatus for continuously removing soluble minor constituents from brines containing soluble major and minor constituents by use of a Helminthoid evaporator.
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6150050 |
Method for recovering particulate material from electrical components
In one aspect, the invention provides a method for recovering particulate material from a component of an electrochemical cell. In another aspect, a method is provided for recovering metal oxide...
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6143260 |
Method for removing magnesium from brine to yield lithium carbonate
A method for producing lithium carbonate by precipitating magnesium as the hydroxide from a brine concentrated to a lithium concentration of about 6%. Lithium is then precipitated from the brine by...
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6136287 |
Lithium manganese oxides and batteries
Lithium manganese oxide particles have been produced with an average diameter less than about 250 nm. The particles have a high degree of uniformity. The particles are formed by the heat treatment...
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6120927 |
Method of recovering lithium from batteries
Disclosed is a method of recovering lithium from a battery containing lithium such as a lithium ion secondary battery. The lithium-containing member of the battery is dissolved with an acidic...
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6063345 |
Method of separating NaCl from a LiCl solution
Disclosed is a method of separating NaCl from a NaCl contaminated aqueous LiCl solution involving concentration of the solution, cooling of concentrated solution and separation of the crystallized...
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6048507 |
Process for the purification of lithium carbonate
Disclosed are methods for preparing high purity lithium carbonate which can be used for pharmaceutical applications, electronic grade crystals of lithium or to prepare battery-grade lithium metal....
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6042622 |
Process for crystallization of alkali metal bicarbonate salts
Alkali metal bicarbonate salts, e.g., sodium bicarbonate, are crystallized from aqueous solutions thereof in the presence of a crystal growth promoting amount of lecithin or lecithin containing...
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6017500 |
High purity lithium salts and lithium salt solutions
The present invention provides an inexpensive process for the preparation of lithium salts of formula LiX having a desired or required level of purity using lithium chloride and lithium sulfate. In...
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5997836 |
Alkali aluminum complex hydroxide carbonate salt, and a process for producing said salt and its uses
According to this invention, an amorphous or pseudo-boehmite-type hydrated alumina gel and an alkali metal carbonate or bicarbonate as starting materials are reacted in an aqueous medium to give a...
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