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This page is updated frequently with new Lithium-related patents. Subscribe to the Lithium RSS feed to automatically get the update: related Lithium RSS feeds.

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Date/App# patent app List of recent Lithium-related patents
04/17/14
20140106239
 Lithium/sulphur accumulator patent thumbnailnew patent Lithium/sulphur accumulator
The invention relates to a lithium/sulphur accumulator including at least one unit cell including: a negative electrode; an electrode separator comprising a material soaked with electrolyte, said material comprising at least one nonwoven and having a porosity in the range from 50 to 96%, and a thickness in the range from 50 to 200 micrometers; a positive electrode; and wherein said electrolyte is introduced by an excess quantity, and comprises at least one lithium salt, and the excess quantity of electrolyte amounting to from 20 to 200% of the quantity of electrolyte ensuring the wetting of the electrodes and of the separator.. .
04/17/14
20140106238
 Liquid electrolyte for a lithium battery, containing a quaternary mixture of non-aqueous organic solvents patent thumbnailnew patent Liquid electrolyte for a lithium battery, containing a quaternary mixture of non-aqueous organic solvents
A liquid electrolyte for a lithium battery including lithium perchlorate (liclo4) dissolved in a quaternary mixture of ethylene carbonate (ec), diethyl carbonate (dec), tetrahydrofurane (thf) and ethyl methyl carbonate (emc). The liquid electrolyte advantageously contains between: 10% and 30% by mass of ethylene carbonate (ec), 10% and 30% by mass of diethyl carbonate (dec), 10% and 30% by mass of tetrahydrofurane (thf) and, 10% and 70% by mass of ethyl methyl carbonate (emc).
04/17/14
20140106237
 Lithium secondary battery including water-dispersible binder, conduction agent, and fluoroethylenecarbonate patent thumbnailnew patent Lithium secondary battery including water-dispersible binder, conduction agent, and fluoroethylenecarbonate
The present invention relates to a lithium secondary battery. The present invention provides the lithium secondary battery including a positive electrode, a negative electrode, and a non-aqueous electrolyte solution.
04/17/14
20140106236
 Novel polymer electrolyte and lithium secondary battery including the same patent thumbnailnew patent Novel polymer electrolyte and lithium secondary battery including the same
Disclosed is a polymer electrolyte having a multilayer structure including a first polymer layer providing mechanical strength against external force and a second polymer layer to secure a conduction path for lithium ions, wherein the first polymer layer includes an organic electrolyte containing an ionic salt in an amount of 0 wt % to 60 wt % based on a weight of a polymer matrix of the first polymer layer and the second polymer layer includes an organic electrolyte containing an ionic salt in an amount of 60 wt % to 400 wt % based on a weight of a polymer matrix of the second polymer layer, and a lithium secondary battery including the same.. .
04/17/14
20140106230
 Negative active material, method of manufacturing the same, and lithium battery including the negative active material patent thumbnailnew patent Negative active material, method of manufacturing the same, and lithium battery including the negative active material
In an aspect, a negative active material, a method of preparing the negative active material, and a lithium battery including the negative active material are provided. The method of preparing the negative active material may increase pulverizing efficiency in pulverizing a silicon-based bulky particle into a nano-size silicon-based primary particle and decrease a capacity loss of the obtained negative active material.
04/17/14
20140106228
 Transition metal composite hydroxide capable of serving as precursor of positive electrode active material for nonaqueous electrolyte secondary batteries, method for producing same, positive electrode active material for nonaqueous electrolyte secondary batteries, method for producing positive electrode active material, and nonaqueous electrolyte secondary battery using positive electrode active material patent thumbnailnew patent Transition metal composite hydroxide capable of serving as precursor of positive electrode active material for nonaqueous electrolyte secondary batteries, method for producing same, positive electrode active material for nonaqueous electrolyte secondary batteries, method for producing positive electrode active material, and nonaqueous electrolyte secondary battery using positive electrode active material
A transition metal composite hydroxide can be used as a precursor to allow a lithium transition metal composite oxide having a small and highly uniform particle diameter to be obtained. A method also is provided for producing a transition metal composite hydroxide represented by a general formula (1) mxwsat(oh)2+α, coated with a compound containing the additive element, and serving as a precursor of a positive electrode active material for nonaqueous electrolyte secondary batteries.
04/17/14
20140106226
 Lithium ion secondary cell patent thumbnailnew patent Lithium ion secondary cell
The negative-electrode active material for a lithium ion secondary cell of the invention includes a mixed material of silicon oxide particles composed of silicon oxide and rod-shaped iron oxide particles composed of iron oxide. It is preferable to use iron oxide particles having a plurality of pores in a surface, and an electrode reaction is effectively carried out..
04/17/14
20140106225
 Non-aqueous electrolyte secondary battery patent thumbnailnew patent Non-aqueous electrolyte secondary battery
A non-aqueous electrolyte secondary battery includes a positive electrode containing active material particles composed of a core section formed of olivine type lifepo4; an intermediate section that lies on the outer side of the core section and has lifexpyoz; and a surface section that lies on the outer side of the intermediate section and has lifeapboc; and a negative electrode containing lithium titanate, in which battery the molar concentration ratio of fe relative to p at the core section is greater than the average of x/y of lifexpyoz, the average value of a/b of lifeapboc at the surface section of the positive electrode active material particles is smaller than the average of x/y of lifexpyoz, and the positive electrode active material particles include a region in which x/y of lifexpyoz at the intermediate section increases continuously or intermittently in the direction from the surface section toward the core section.. .
04/17/14
20140106223
 Methods for surface coating of cathode material lini0.5-xmn1.5mxo4 for lithium-ion batteries patent thumbnailnew patent Methods for surface coating of cathode material lini0.5-xmn1.5mxo4 for lithium-ion batteries
A high-voltage lithium-ion battery cathode material includes lini0.5-xmn1.5mxo4 (0≦x≦0.2, m═mg, zn, co. Cu, fe, ti, zr, ru, and cr), which is coated with a coating material, which may be a carbon coating material, a metal phosphate coating material, or a combination thereof.
04/17/14
20140106222
 Positive active material, method of preparing the same, and lithium battery including the positive active material patent thumbnailnew patent Positive active material, method of preparing the same, and lithium battery including the positive active material
A positive active material including: a lithium-containing oxide, and a lithium-intercalatable phosphate compound disposed on the lithium-containing oxide.. .
04/17/14
20140106220
new patent Phase separated silicon-tin composite as negative electrode material for lithium-ion and lithium sulfur batteries
A composite of silicon and tin is prepared as a negative electrode composition with increased lithium insertion capacity and durability for use with a metal current collector in cells of a lithium-ion battery or a lithium-sulfur battery. This negative electrode material is formed such that the silicon is present as a distinct amorphous phase in a matrix phase of crystalline tin.
04/17/14
20140106218
new patent Polymer electrode for lithium secondary battery including the polymer and lithium second battery employing the electrode
A polymer includes a first repeating unit having a cationic group and a second repeating unit having an anionic group. The polymer may further include a third repeating unit having a non-ionic group.
04/17/14
20140106217
new patent Binder for electrode of lithium battery, binder composition including the binder, and lithium battery containing the binder
In an aspect, a binder for a lithium battery electrode, a binder composition including the binder, and a lithium battery including the binder are provided. The binder may include a water-soluble electroconductive polymer having a carboxylate functional group.
04/17/14
20140106216
new patent Thin film battery and localized heat treatment
A lithium battery comprises a battery support and a cathode current collector directly on and in contact with the battery support. The cathode current collector is composed of molybdenum and comprises a thickness of at least about 0.01 microns.
04/17/14
20140106215
new patent High energy density secondary lithium batteries
A lithium ion battery includes a positive electrode comprising carbon fibers, a binder composition with conductive carbon, and a lithium rich composition. The lithium rich composition comprises at least one selected from the group consisting of li1+x(my mzii mwiii)o2 where x+y+z=1, and xli2mno3(1−x)limo2, where x=0.2-0.7, and where m, mii and miii are interchangeably manganese, nickel and cobalt, and lim2−xmxiio4 , where m and mii are manganese and nickel, respectively, with x=0.5.
04/17/14
20140106212
new patent Cathode materials having high energy density and lithium secondary battery containing the same
Disclosed is a cathode material comprising a mixture of an oxide powder (a) defined herein and an oxide powder (b) selected from the group consisting of an oxide powder (b1) defined herein and an oxide powder (b2) defined herein and a combination thereof wherein a mix ratio of the two oxide powders (oxide powder (a): oxide powder (b)) is 50:50 to 90:10. The cathode material uses a combination of an oxide powder (a) and 50% or less of an oxide powder (b) which can exert high capacity, high cycle stability, superior storage stability and high-temperature stability, thus advantageously exhibiting high energy density and realizing high capacity batteries..
04/17/14
20140106203
new patent Lithium battery having low leakage anode
A lithium battery comprises a support, and a plurality of battery component layers on the support, the battery component layers including a cathode having a cathode area with a plurality of cathode perimeter edges. An electrolyte is on the cathode, and an anode is on the electrolyte.
04/17/14
20140106190
new patent Pressure-relief mechanism to improve safety in lithium-polymer battery cells
The disclosed embodiments relate to a battery cell which includes a weakness for relieving pressure. This battery cell includes a jelly roll comprising layers which are wound together, including a cathode with an active coating, a separator and an anode with an active coating.
04/17/14
20140106186
new patent Lipon coatings for high voltage and high temperature li-ion battery cathodes
A lithium ion battery includes an anode and a cathode. The cathode includes a lithium, manganese, nickel, and oxygen containing compound.
04/17/14
20140106070
new patent Vapor deposition of lif thin films
A vapor deposition process for forming a thin film on a substrate in a reaction chamber where the process includes contacting the substrate with a fluoride precursor. The process results in the formation of a lithium fluoride thin film..
04/17/14
20140105811
new patent Supercritical continuous hydrothermal synthesis of lithium titanate anode materials for lithium-ion batteries
A method for synthesizing lithium titanate includes preparing a supercritical fluid from water; reacting a solution containing lithium and titanium with the supercritical fluid under a condition that maintains the supercritical fluid in its supercritical state to produce a reaction mixture comprising the lithium titanate; and collecting the lithium titanate. The supercritical fluid is prepared at a temperature of 375-500° c.
04/17/14
20140103882
new patent Emergency system for power failures
An emergency system for power failures includes a single-cell or multiple-cell rechargeable battery selected from the group consisting of nimh, nicd, nizn, ag2o/zn or lithium-ion, and a charging electronics system that charges the battery, wherein the charging electronics system provides a charging voltage at which the battery does not overcharge at a temperature of up to 80° c., and wherein the charging electronics system supplies a charging voltage at which the battery is transferred into a charging state and/or is kept in a charging state, in which the battery is charged to 5% to 30%.. .
04/17/14
20140103264
new patent Positive electrode materials for lithium-ion batteries and method for preparing the same
A method for modifying a positive electrode material for a lithium-ion battery. The method includes: a) grinding a mixture of manganese dioxide and lithium carbonate, and calcining the mixture at no less than a temperature of 600° c.
04/17/14
20140103263
new patent Cathode material
Provided is a cathode material capable of obtaining high energy density and superior instantaneous output characteristics in a lithium ion secondary battery. The cathode material is used in a lithium ion secondary battery (1), and includes fef3 and liv3o8 as a cathode active material.
04/17/14
20140103252
new patent Cathode active material, and cathode and lithium battery including the material
Wherein x+y+z=1, 0<x<0.33, 0<z≦0.1, and 0≦d≦0.1, me is at least one metal selected from mn, v, cr, fe, co, ni, al, and b, and m′ is at least one metal selected from sc, y, and la.. .
04/17/14
20140102946
new patent Lithium extraction composition and method of preparation thereof
This invention relates to a particulate extraction material for the extraction of lithium from a geothermal brine or lithium containing solution. The particulate material includes an inorganic or polymer based substrate that includes a lithium aluminum intercalate layer applied to the exterior of the substrate, wherein the lithium aluminum intercalate layer is operable to capture lithium ions from solution..
04/10/14
20140100373
Production method of imidazole derivatives
Compound (vi) is produced by reacting compound (i) with a grignard reagent or a magnesium reagent, and a lithium reagent, and then reacting the resulting compound with compound (v).. .


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Lithium topics: Lithium Ion, Phosphoric Acid, Lithium Carbonate, Storage Device, Electrolyte, High Energy, Homogeneous, Sodium Ion Battery, Alkali Metal, Aqueous Solution, Graphene Oxide, Lithium Metal, Activated Carbon, Electrochromic, Electrochromic Device

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