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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....
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...
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...
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...
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.
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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)
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Matches 1 - 50 out of 373 1 2 3 4 5 6 7 8 >