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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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7344803 |
Alkaline primary battery
An alkaline primary cell which is improved in reduction of self-discharge and cell capacity under storage at a high temperature, has a prolonged life and makes use of nickel oxyhydroxide is...
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7335444 |
Positive electrode active material for a secondary battery, secondary battery and process of manufacturing positive electrode active material for a secondary battery
A positive electrode active material containing lithium manganate having a spinel structure is used, wherein the value of a* of the L*a*b* color specification system is made to satisfy the...
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7335445 |
Positive electrode active material for alkaline storage battery, positive electrode and alkaline storage battery
A particulate positive electrode active material for an alkaline storage battery comprising: (a) solid solution nickel hydroxide particles containing at least magnesium and (b) a coating layer...
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7332248 |
Active material for positive electrode for non-aqueous electrolyte secondary battery and method of manufacturing the same
A method of manufacturing a non-aqueous electrolyte secondary battery is provided wherein the positive electrode is made from a lithium-metal composite oxide represented by the general formula Li x...
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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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7316862 |
Active material for electrode and non-aqueous secondary battery using the same
A lithium-containing complex oxide represented by General Formula: Li 1+x+α Ni (1−x−y+δ)/2 Mn (1−x−y−δ)/2 M y O 2 (where 0≦x≦0.15, −0.05≦x+α≦0.2, 0≦y≦0.4;...
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7314684 |
Layer cathode methods of manufacturing and materials for Li-ion rechargeable batteries
A positive electrode active material for lithium-ion rechargeable batteries of general formula Li 1+x Ni α Mn β A γ O 2 and further wherein A is Mg, Zn, Al, Co, Ga, B, Zr, or Ti and...
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7314685 |
Oxidized titanium as a cathodic current collector
A titanium substrate having a thickened outer oxidation layer provided thereon by a treatment process performed either in an air atmosphere at elevated temperatures or through electrolytic...
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7314682 |
Lithium metal oxide electrodes for lithium batteries
An uncycled electrode for a non-aqueous lithium electrochemical cell including a lithium metal oxide having the formula Li (2+2x)/(2+x) M′ 2x/(2+x) M (2−2x)/(2+x) O 2−δ , in which 0≦x<1...
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7314492 |
Method for manufacturing alkaline battery
In a method in which the inside surface of the negative electrode cup of an alkaline battery is coated with metal or metal alloy having a higher hydrogen overpotential than copper, the mask used...
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7314683 |
Carbon compound-adsorbed cathode active material and lithium battery using the same
A cathode active material is prepared by mixing a transition metal compound and a lithium compound in a molar ratio of 1:1.0-1:1.2 and thermally treating the mixture while supplying CO 2 and O 2 ...
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7309543 |
Layered lithium-nickel-based compound oxide powder and its production process
A layered lithium-nickel-based compound oxide powder for a positive electrode material for a high density lithium secondary cell, capable of providing a lithium secondary cell having a high...
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7309547 |
Hydrogen absorbing alloy, electrode thereof and nickel-metal hydride battery
A hydrogen absorbing alloy containing at least a rare-earth element, magnesium (Mg), nickel (Ni) and aluminum (Al), having an intensity ratio (I A /I B ) of not smaller than 0.6 (where I A ...
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7303840 |
Manganese oxide composite electrodes for lithium batteries
An activated electrode for a non-aqueous electrochemical cell is disclosed with a precursor of a lithium metal oxide with the formula xLi 2 MnO 3 .(1−x)LiMn 2−y M y O 4 for 0<x<1 and...
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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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7273680 |
Alkaline battery including nickel oxyhydroxide cathode and zinc anode
A primary alkaline battery includes a cathode including a nickel oxyhydroxide and an anode including zinc or zinc alloy particles. Performance of the nickel oxyhydroxide alkaline cell is improved...
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7267874 |
Cobalt encapsulated nickel hydroxides and basic carbonates for battery electrodes
A process for producing a cobalt III encapsulated nickel hydroxide or basic nickel carbonate product including the steps of:
(i) providing an ammoniacal solution including cobalt ammine...
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7261970 |
Nickel metal hydride battery design
The present invention relates to rechargeable nickel metal hydride batteries and methods for making the same. More particularly, the present invention relates to rechargeable nickel metal hydride...
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7255963 |
Non-aqueous electrolyte rechargeable battery
A non-aqueous electrolyte rechargeable battery including: (a) a positive electrode capable of charging and discharging lithium; (b) a negative electrode capable of charging and discharging lithium;...
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7238446 |
Active electrode composition with conductive polymeric binder
An active composition for an electrode of an electrochemical cell. The active composition comprises an active electrode material and a conductive polymer. The electrochemical cell is preferably a...
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7238447 |
Enclosed nickel-zinc primary battery its anode and production methods for them
A high-capacity enclosed nickel-zinc primary battery excellent in characteristics such as capacity maintenance factor, energy density, and high-efficient discharge characteristics, an anode using...
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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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7235328 |
Electrochemical generator element and corresponding battery
The invention concerns an electrochemical generator element ( 102 ) comprising successively a first electrode layer having a polarity ( 114 ), a first electrolyte layer ( 110 ), a second electrode...
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7229717 |
Anode active material and battery using it
A battery with a high capacity and superior cycle characteristics, and an anode active material used for it are provided. An anode active material contains tin as a first element, a second element,...
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7226698 |
Positive active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery comprising same
Disclosed is a positive active material for a lithium rechargeable battery, a method of preparing the same, and a lithium rechargeable battery comprising the same. The positive active material has...
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7223497 |
Hydrogen storage alloy, process for producing hydrogen storage alloy, hydrogen storage alloy electrode, process for producing hydrogen storage alloy electrode, and battery
Hydrogen storage alloy has: (1) a main composition expressed by the formula of Mm-(Ni—Al—Co—Mn—Mo); (2) a ratio of the number of atoms expressed by the formula of (Ni—Al—Co—Mn—Mo)...
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7217475 |
Non-aqueous electrolyte secondary battery
A non-aqueous electrolyte secondary battery is provided with a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a...
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7217476 |
Battery
Disclosed is a battery with a light weight and a high energy density. The battery includes a anode 5 , having a layer of an anode active material 9 formed on an anode substrate 8 , a cathode 6...
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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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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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7211541 |
Mg—Ni hydrogen storage composite having high storage capacity and excellent room temperature kinetics
A hydrogen storage composite material having a Mg—Ni based alloy with a coating of a catalytically active metal deposited on at least a portion of a surface of said Mg—Ni based alloy. The...
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7205065 |
Gastight prismatic nickel-metal hydride cell
A gastight nickel/metal hydride cell for the storage of electrochemical energy, having at least one positive nickel oxide electrode and at least one hydrogen-storing negative electrode, a...
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7198868 |
Alkaline storage battery
An alkaline storage battery having a negative electrode made from a hydrogen absorbing alloy represented by the formula Ln 1-x Mg x Ni y-a M a (where Ln is at least one element selected from rare...
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7198867 |
Electrochemical generation, storage and reaction of hydrogen and oxygen
An electrolytic apparatus for using catalyst-coated hollow microspheres to produce gases, store them, and to make them available for later use. The apparatus uses catalyst-coated hollow...
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7183019 |
Negative active material composition for a rechargeable lithium battery, method of producing a negative electrode for a rechargeable lithium battery using the same, and rechargeable lithium battery fabricated using the same
Disclosed is a negative active material composition for a rechargeable lithium battery, a method of producing a negative electrode for a rechargeable lithium battery using the same, and a...
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7179566 |
Positive electrode active material for secondary cell, positive electrode for secondary cell using same, and secondary cell
A cathode active material for a secondary battery including a lithium-manganese composite oxide having a spinel structure and represented by the following general formula (I), Li a (M x Mn 2-x-y-z...
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7175939 |
Non-aqueous electrolyte secondary battery
In a non-aqueous electrolyte secondary battery provided with a positive electrode, a negative electrode using carbon material as negative electrode active material, and a non-aqueous electrolyte...
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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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7172836 |
Nonaqueous electrolyte battery and method for manufacturing it, and positive active material, and method for producing it
The present invention relates to a nonaqueous electrolyte battery comprising: a cathode including a positive active material; an negative including a negative active material and a nonaqueous...
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7172835 |
Alkaline rechargeable battery with medium-length carbon fibers
The invention relates to an alkaline rechargeable battery for storing electrical energy having a positive electrode which, as the substrate material, has a nickel foam strip, a nickel strip or...
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7166391 |
Cobalt compound for use in alkaline storage battery, method for manufacturing the same, and positive electrode plate of alkaline storage battery employing the same
To provide an alkaline storage battery, a cobalt compound obtained by mixing a cobalt hydroxide powder and a sodium hydroxide powder and applying a heat treatment to the same in an atmosphere...
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7157187 |
Thin-film battery devices and apparatus for making the same
A method and system for fabricating solid-state energy-storage devices including fabrication films for devices without an anneal step. A film of an energy-storage device is fabricated by depositing...
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7150940 |
Lithium ion secondary battery
A lithium ion secondary battery comprising a positive electrode, a negative electrode and a non-aqueous electrolyte, wherein the positive electrode comprises a positive electrode active material, a...
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7147967 |
Cathode for metal-oxygen battery
Disclosed is a cathode material for a metal-oxygen battery such as a lithium-oxygen battery. The material comprises, on a weight basis, a first component which is an oxide or a sulfide of a metal....
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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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7147676 |
Method of preparing a nickel positive electrode active material
A nickel metal hydride storage battery having an excellent charging efficiency at high temperatures is provided by using a positive electrode comprising nickel hydroxide particles and at least one...
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7144658 |
Ultrathin, conformal polymer coatings as separators at nanostructured metal oxides used for energy storage
An electrode for use in energy storage comprising a nanostructured mesoporous electrically conductive metal oxide and an ultrathin, conformal polymer coating on the metal oxide wherein said...
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7144655 |
Thin-film battery having ultra-thin electrolyte
A method and system for fabricating solid-state energy-storage devices including fabrication films for devices without an anneal step. A film of an energy-storage device is fabricated by depositing...
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7132197 |
Battery
Provided is a battery with a higher capacity, a superior charge-discharge cycle characteristic and a superior load characteristic. A cathode and an anode with a separator in between are spirally...
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