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7384664 |
Positive-electrode active material for non-aqueous electrolyte secondary cell and process for preparing the same
A positive-electrode active material for non-aqueous electrolyte secondary cells which combine improved discharge property and operational safety, and a process for preparing the same are provided....
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7381497 |
Positive electrode active material for non-aqueous electrolyte secondary battery
A positive electrode active material for a non-aqueous electrolyte secondary battery, comprising a lithium-containing composite oxide, wherein the composite oxide is represented by the general...
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7381496 |
Lithium metal oxide materials and methods of synthesis and use
A composition having a formula Li x Mg y NiO 2 wherein 0.9<x<1.3, 0.01<y<0.1, and 0.91<x+y<1.3 can be utilized as cathode materials in electrochemical cells. A composition having...
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7374841 |
Positive electrode active matter and secondary battery using this
A cathode active material includes: (a) first oxide including (1) lithium (Li), nickel (Ni) and manganese, (2) a first element MI selected from Group 2 to Group 14 elements, and (3) oxygen; (b) a...
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7368097 |
Preparation of nanocrystalline lithium titanate spinels
Process for preparing nanocrystalline lithium titanate spinels by reacting lithium hydroxide and a titanium alkoxide at elevated temperature in a reaction mixture which forms water of reaction.
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7364793 |
Powdered lithium transition metal oxide having doped interface layer and outer layer and method for preparation of the same
The present invention provides a powdered lithium transition metal oxide useful as a major component for cathode active material of rechargeable lithium batteries, comprising a lithium transition...
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7354531 |
Polymer electrolyte composition
A composition for use as a polymer electrolyte, wherein said composition includes one or more polar materials and one or more polyesters of formula III,
wherein each unit A may be identical or...
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7351498 |
Lithium ion polymer secondary battery its electrode and method for synthesizing polymer compound in binder used in adhesion layer thereof
The present invention provides a lithium ion polymer battery comprising an electrode having excellent adhesion and electrical conductivity between a current collector and an active material layer,...
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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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7326498 |
Method for preparing positive active material for rechargeable lithium battery and positive active material prepared by same
Disclosed is a method of preparing a positive active material for a rechargeable lithium battery including adding first and second compounds to a solvent to prepare an acidic solution with a pH...
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7326497 |
Graphite-containing composition, negative electrode for a lithium secondary battery, and lithium secondary battery
Disclosed is a negative electrode for a lithium secondary battery which is prepared by mixing graphite powder with a binder. The negative electrode comprises graphite with an intensity ratio...
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7326494 |
Composite material and electrodes made therefrom
A composite material having utility as a cathode material for a lithium ion battery includes a first component which is a metal phosphate and a second component which is a metal nitride, a metal...
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7316864 |
Slurry composition, electrode and secondary cell
A slurry composition for electrode comprising a binder, an active material, and a liquid medium, characterized in that the binder comprises a polymer (X) comprising 60 to 95 mole % of repeating...
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7316717 |
Method of manufacturing an electrode active material particle for a rechargeable battery
A rechargeable battery includes electrodes containing particles of an active material capable of being alloyed with Li. A metallic element that is not alloyed with Li is distributed by its...
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7309545 |
Anode material and battery using the same
Provided is a battery with a higher capacity and superior charge-discharge cycle characteristics. A cathode contained in a package can and an anode contained in a package cup are laminated with a...
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7300721 |
Alkaline secondary electrochemical generators with a zinc anode
The invention relates to secondary alkaline electrochemical generators with a zinc anode in an electrolyte, the active mass of said anode comprising at least one conductive ceramic. According to...
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7294434 |
Nickel Hydroxide electrode material with improved microstructure and method for making the same
Nickel hydroxide material comprising particles with a microstructure including crystallites of less than 103 Å as measured in the 101 direction by x-ray diffraction. A method of making positive...
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7285359 |
Secondary battery-use negative electrode and secondary battery using it
An object of the present invention is to provide a negative electrode for a secondary battery which has large capacity and restrains a rise in resistance inside the battery and reduction in...
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7285357 |
Electrochemically active material for the positive electrode of an electrochemically rechargeable lithium cell
An electrochemically active material resulting from substituting a portion of the nickel in a single-phase composite oxide of nickel and lithium of the LiNiO 2 type, characterized in that the...
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7282301 |
Method for making a composite electrode material
A composite material includes a first phase which comprises Li x M y (PO 4 ) z wherein M is at least one metal, y and z are independently 0, and x is less than or equal to 1. The material includes...
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7282300 |
Lithium secondary battery comprising overdischarge-preventing agent
The present invention relates to a lithium secondary battery comprising an overdischarge-preventing agent. Particularly, the present invention provides a lithium secondary battery comprising an...
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7276314 |
Lithium metal dispersion in secondary battery anodes
The present invention is a secondary battery having a high specific capacity and good cycleability, and that can be used safely. The secondary battery is manufactured to include an anode formed...
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7252906 |
Positive active material for a lithium secondary battery with higher performance and preparation method of the same
Disclosed is a positive active material for a lithium secondary battery and a preparation method of the same that can improve cycle-life characteristics and storage characteristics at a high...
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7235329 |
Electrode material for non-aqueous solvent-secondary cell, electrode and secondary cell
An electrode material comprising a powdery mixture of a metal material (particularly, an intermetallic compound) and a capacitive carbon material each capable of doping and dedoping lithium, and an...
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7235193 |
Complex lithium metal oxides with enhanced cycle life and safety and a process for preparation thereof
This invention relates to complex lithium metal oxides, which are cathode active materials of a lithium or lithium ion secondary battery with enhanced cycle life and safety, and a process for...
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7217474 |
Positive electrode active material, non-aqueous electrolyte secondary battery and method for producing positive electrode active material
A non-aqueous electrolyte secondary battery employing a positive electrode active material containing a compound represented by the general formula Li x M y PO 4 , where 0<x≦2 and...
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7214328 |
Composition for electrolytic solution and process for producing the same
An electrolytic solution for operating electrolytic capacitors which deteriorates extremely little in electrical properties even when used in a high-tension capacitor. The electrolytic solution...
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7202000 |
Anode for secondary battery, secondary battery using same and method for fabricating anode
An anode for a secondary battery capable of inserting and extracting a lithium ion having a multi-layered structure including a first anode layer containing carbon as a main component; a second...
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7189341 |
Electrochemical sensor ink compositions, electrodes, and uses thereof
The invention is directed to conductive polymer compositions, catalytic ink compositions (e.g., for use in screen-printing), electrodes produced by deposition of an ink composition, as well as...
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7179563 |
Binder for a lithium-sulfur battery, positive active material composition comprising same and lithium-sulfur battery using same
Disclosed is a binder for a lithium-sulfur battery including a butadiene-based copolymer. The binder exhibits chemical resistance to polysulfides, is stable a battery working temperatures, forms an...
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7172710 |
Performance enhancing additive material for the nickel hydroxide positive electrode in rechargeable alkaline cells
A conductive additive for the positive nickel electrode for electrochemical cells which provides increased performance by suppressing an oxygen evolution reaction occurring parallel to the...
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7169508 |
Method of manufacturing anode compositions for use in rechargeable electrochemical cells
A method of manufacturing an anode composition for use in an electrochemical cell in which the anode comprises an electrochemically active material, the method comprising the steps of mixing the...
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7147970 |
Electrode material for non-aqueous solvent secondary cell, electrode and secondary cell
An electrode material comprising a powdery mixture of a metal material (particularly, an intermetallic compound) and a capacitive carbon material each capable of doping and dedoping lithium, and an...
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7147969 |
Positive electrode active material, non-aqueous electrolyte secondary battery and method for producing positive electrode active material
A non-aqueous electrolyte secondary battery employing a positive electrode active material containing a compound represented by the general formula Li x M y PO 4 , where 0<x≦2 and...
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7147968 |
Positive electrode for lithium-sulfur battery
A positive electrode for a lithium-sulfur battery includes a positive active material including a sulfur-based compound, an electrically conductive material, an agent for increasing viscosity, and...
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7144659 |
Negative electrode and lithium ion secondary battery using the same
A negative electrode for a lithium ion secondary battery comprising a material mixture layer comprising a carbonaceous material comprising a spherical natural graphite and a graphitized carbon...
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7135251 |
Active material for battery and method of preparing the same
An active material for a battery has a surface-treatment layer including a compound of the formula (1):
MXO k (1)
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7122169 |
Positive electrode material and nickel-zinc battery
The present invention provides a nickel-zinc battery of an inside-out structure, that is, a battery comprising a positive electrode containing beta-type nickel oxyhydroxide and a negative electrode...
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7094499 |
Carbon materials metal/metal oxide nanoparticle composite and battery anode composed of the same
A method of forming a composite material for use as an anode for a lithium-ion battery is disclosed. The steps include selecting a carbon material as a constituent part of the composite, chemically...
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7083876 |
Lead-acid battery
A lead-acid battery superior in high-efficiency charging characteristic to conventional lead-acid batteries and a carbon material used in the lead-acid battery having excellent charge acceptability...
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7078128 |
Cathode compositions for lithium-ion batteries
A cathode composition for a lithium-ion battery having the formula Li[M 1 (1-x) Mn x ]O 2 where 0<x<1 and M 1 represents one or more metal elements, with the proviso that M 1 is a metal...
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7070882 |
Reactive metal hydrogel/inert polymer composite anode and primary metal-air battery
An anode for use in a primary metal-air battery having an alkaline or neutral salt electrolyte, the anode comprising: a low molecular weight reactive metal substrate; a low molecular weight...
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7052629 |
Binder for battery, slurry for battery electrode, electrode for lithium secondary battery, and lithium secondary battery
A binder for battery comprising composite polymer particles in which two or more polymers having different chemical structures form a heterogeneous phase structure. Preferably, said two or more...
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7045558 |
Method of making a high refractive index optical management coating and the coating
A radiation curable composition comprises a heterocyclic acrylate or heterocyclic methacrylate. The composition is curable to make an optical management article such as an optical management...
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7029796 |
Positive active material of a lithium-sulfur battery and method of fabricating same
A positive active material of a lithium-sulfur battery includes a sulfur-conductive agent-agglomerated complex in which a conductive agent particle is attached onto a surface of a sulfur particle...
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6998192 |
Negative electrode for a nonaqueous battery
A negative electrode for use in secondary battery with nonaqueous electrolyte having a high voltage and energy density and a superior cycle property, characterized in that the active material...
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6998191 |
Coating composition for negative electrode, negative electrode plate, method for producing the same, and secondary battery with nonaqueous electrolyte
The present invention provides a coating composition for a negative electrode-active material layer, which comprises an active material for a negative electrode, and two or more rubber base binders...
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6984470 |
Positive electrode active material and nonaqueous electrolyte secondary battery
A positive electrode active material and a nonaqueous electrolyte secondary battery containing a lithium-containing composite metal oxide having a composition represented by: Li 1+y M 1−y−z M 1...
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6942946 |
Positive electrode for non-aqueous electrolyte secondary battery and method of producing the same
Disclosed is a positive electrode for a non-aqueous electrolyte secondary battery, comprising: a positive electrode mixture layer; and a positive electrode current collector which carries the...
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6939643 |
Lithium-material comprising an intermetallic lithium/transition metal pnictide phase for lithium batteries
The invention provides a rechargeable lithium-ion battery comprising the specific lithium composite exhibiting good charge-discharge cycle performance and mechanical properties. The...
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