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7390593 |
Fine carbon fiber, method for producing the same and use thereof
A vapor grown fine carbon fiber, each fiber filament of the carbon fiber comprising, in its interior, a hollow space extending along the fiber filament, and having a multi-layer structure, an outer...
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7389580 |
Method and apparatus for 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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7387852 |
Polymer electrolyte and lithium battery using the same
A polymer electrolyte extends the cycle life, improves the safety, and reduces the swelling of a battery, compared with a polymer electrolyte containing a poly(alkylene oxide) polymer. Also, a...
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7374842 |
Non-aqueous electrolyte secondary battery
A non-aqueous electrolyte secondary battery, comprises positive and negative electrode plates, each comprising a current collector and a material mixture layer carried on each face thereof. A total...
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7358010 |
Fluorinated carbon for metal/fluorinated carbon batteries
A novel cathode composition for use in a metal/fluorinated carbon battery is produced by mixing fluorinated carbons made from anisotropic and isotropic carbon, where the anisotropic carbon is...
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7344659 |
Electrode materials with high surface conductivity
The present invention concerns electrode materials capable of redox reactions by electrons and alkaline ions exchange with an electrolyte. The applications are in the field of primary (batteries)...
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7341805 |
Lithium-containing complex oxide, non-aqueous secondary battery using the lithium-containing complex oxide, and method for producing the lithium-containing complex oxide
Because of the composition 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≦0.05, −0.05≦x+α≦0.05, 0≦y≦0.4; −0.1≦δ≦0.1...
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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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7326496 |
Alkali dry cell
In an alkaline dry battery comprising a positive electrode, a negative electrode, and an alkaline electrolyte, the positive electrode includes manganese dioxide and graphite powder and contains...
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7323120 |
Coated carbonaceous particles particulary useful as electrode materials in electrical storage cells, and methods of making the same
A process for the production of coated carbonaceous particles including: providing a carbon residue forming material; providing particles of a carbonaceous material; mixing the carbon residue...
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7320846 |
Bipolar battery and method for manufacturing the same
A bipolar battery includes a bipolar electrode and an electrolyte layer. The bipolar electrode includes a current collector, a positive electrode layer formed on one surface of the current...
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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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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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7312001 |
Non-aqueous electrolytic solution and lithium battery employing the same
A non-aqueous electrolytic solution and a lithium battery employing the same are provided. The non-aqueous electrolyte solution that contains a substituted or unsubstituted acetate can effectively...
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7311998 |
Lithium polymer battery with a crosslinked electrolyte
A polymer battery which comprises a negative electrode comprising a carbon material as an active material, an electrolyte layer and a positive electrode comprising a chalcogenide containing lithium...
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7311996 |
Non-aqueous electrolyte secondary battery
The present invention relates to a non-aqueous electrolyte secondary battery in which a spirally coiled battery element obtained by spirally coiling an anode ( 3 ) and a cathode ( 2 ) through a...
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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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7303838 |
Negative electrode active material for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery
The present invention provides a negative electrode active material for nonaqueous electrolyte secondary battery, including carbonaceous particles and a Si phase dispersed in the carbonaceous...
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7297445 |
Porous carbon electrode substrate and its production method and carbon fiber paper
The present invention provides carbon fiber paper consisting of an organic high-molecular compound as a binder and carbon fibers, characterized in that the carbon fibers contain thin fibers with an...
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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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7285358 |
Negative active material for lithium rechargeable batteries and method of fabricating same
The present invention relates to a negative active material for a lithium rechargeable battery and a method of preparing the same, and the negative active material prepared by coating a carbon...
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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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7282299 |
Solid electrolyte battery
A solid electrolyte battery includes a cathode having a cathode active material and a solid electrolyte and an anode. The solid electrolyte includes a first polymer having a binding force and a...
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7273681 |
Non-aqueous secondary battery having negative electrode including graphite powder
Objects of the present invention is to provide a carbon material having a superior reversibility in lithium intercalation-deintercalation reaction, and a non-aqueous secondary battery using the...
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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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7270913 |
Nonaqueous-electrolyte secondary battery and method of manufacturing the same
To offer excellent hermeticity inside a battery having high productivity and being covered with package members by means of solving a problem such as sealing failures caused by gaps between sides...
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7247405 |
Nonaqueous electrolyte battery
A nonaqueous electrolyte battery which comprises a positive electrode including carbon fluoride or sulfur as an active material, a negative electrode including calcium as an active material, and an...
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7241536 |
Electrolyte for lithium secondary battery and lithium secondary battery comprising same
A non-aqueous electrolyte for a lithium secondary battery is provided. The electrolyte comprises a lithium salt, a non-aqueous solvent, and an organic compound selected from the group consisting of...
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7241534 |
Lithium polymer secondary cell
A lithium polymer secondary battery comprising: a negative electrode including a carbonaceous material, as an active material, obtainable by attaching or covering an amorphous carbon on the surface...
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7238453 |
Non-aqueous electrolytic solution with mixed salts
The use of at least two electrolyte salts in a lithium secondary battery provides improved battery performance such as long cycle life of high discharge capacity and high capacity retention.
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7238449 |
Nonaqueous electrolytic secondary battery and method of producing anode material thereof
A nonaqueous electrolyte secondary battery having a positive electrode made of a carbonaceous material, an electrolyte containing a lithium salt, and a negative electrode made of metallic lithium...
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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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7229719 |
Non-aqueous electrolyte secondary battery
A highly safe non-aqueous electrolyte secondary cell with excellent self-extinguishing property or flame retardancy is provided which comprises an anode, a cathode, a non-aqueous electrolyte in...
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7229716 |
Nonaqueous electrolyte secondary battery
A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode comprising a graphite as a negative electrode active material, and a nonaqueous electrolyte including...
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7226703 |
Electrolyte for rechargeable lithium battery and rechargeable lithium battery comprising same
Disclosed is an electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and a lactam-based compound selected from the group consisting of compounds...
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7226699 |
Proton conductor film, manufacturing method therefor, fuel cell provided with proton conductor film and manufacturing method therefor
A proton conductor and film thereof, electrochemical device, such as a fuel cell, employing same and methods of manufacturing same are provided. The proton conductor material film includes a proton...
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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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7214447 |
Graphite powders suited for negative electrode material of lithium ion secondary battery
A graphite powder suitable for a negative electrode material of a lithium ion secondary battery which assures a high discharging capacity not lower than 320 mAh/g is to be manufactured at a lower...
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7214445 |
Battery
Provided is a battery capable of obtaining a superior battery capacity and a superior charge-discharge cycle characteristic under high temperature conditions, and improving a load characteristic. A...
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7205069 |
Membrane comprising an array of single-wall carbon nanotubes
This invention relates generally to membranes comprising an array of single-wall carbon nanotubes (SWNT) wherein the membrane is nanoporous. In one embodiment, the membrane comprises a...
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7194801 |
Thin-film battery having ultra-thin electrolyte and associated method
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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7189476 |
Rechargeable lithium cell having an anode comprised of carbon nanotubes
An anode for a rechargeable lithium cell comprises carbon nanotubes that contain within them an element that can form alloys or compounds reversibly with lithium over a range of compositions. The...
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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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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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7172837 |
Nonaqueous electrolyte secondary battery having a negative electrode containing carbon fibers and carbon flakes
A nonaqueous electrolyte secondary battery is provided with a positive electrode including a positive-electrode active material, a negative electrode including a negative-electrode active material,...
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7169511 |
Nonaqueous electrolyte solution and nonaqueous electrolyte solution secondary battery employing the same
A subject for the invention is to provide an electrolyte solution and a secondary battery which are prevented from causing or suffering battery performance deterioration in high-temperature storage...
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7163768 |
Electrolyte solution for secondary battery and secondary battery using the same
The present invention provides a technology of inhibiting the decomposition of the solvent of the electrolyte solution for the secondary battery. Further, the present invention provides a...
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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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7153608 |
Ionic conductor, process for production thereof, and electrochemical device
An ionic conductor, such as a proton conductor, a process for production thereof, and an electrochemical device, such as fuel cell, that includes the ionic conductor is provided. The ionic...
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7150942 |
Negative electrode current collector, negative electrode using the same, and non-aqueous electrolytic secondary cell
A negative electrode current collector for a non-aqueous electrolyte secondary battery comprising copper or a copper alloy, characterized in that the copper or copper alloy has a ratio I 200 /I 111...
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