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6835496 |
Negative electrode material for a non-aqueous electrolyte secondary battery and processes for its manufacture
A negative electrode material for a nonaqueous electrolyte secondary battery having a high discharge capacity and a good cycle life is made from alloy particles having an average particle diameter...
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6833009 |
Method of fabrication of composite electrodes in lithium ion battery and cells
Method of making Li-intercalateable electrodes for a lithium-ion battery by applying a first film onto a first face of an electrically conductive grid, which film comprises a plurality of...
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6830845 |
Cylindrical battery and method and device for manufacturing thereof
In the process of manufacturing a cylindrical battery, when a tubular separator ( 3 ) and bottom separator ( 5 ) are inserted into a battery casing ( 1 ) in which are accommodated positive...
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6828061 |
Electrochemical cell with reinforced separator
An electrochemical cell with a separator having a reinforced edge that provides structural rigidity to the separator after it has been contacted by the cell's electrolyte. The reinforced edge...
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6827567 |
Powder compression molding method and apparatus and dry cell
Powder mixture is supplied into a die under a state that a center pin is located lower than the top surface of the die, after which the center pin is lifted up to a given molding position where an...
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6824571 |
Hydrogen absorbing alloy electrode, manufacturing method thereof, and alkaline storage battery equipped with the hydrogen absorbing alloy electrode
After coating a hydrogen absorbing alloy slurry obtained by kneading a hydrogen absorbing alloy powder 12 a , a polyethylene oxide (PEO) powder as a binder 12 b , and a suitable amount of water...
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6820812 |
Battery integrated into a mobile device
Described is a battery holding portion integrated into a mobile device and a method for its manufacturing. In particular, the battery holding portion may include a battery having an anode and/or a...
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6818025 |
Rechargeable battery having a current collector integrally formed and contacting a current collector plate to form a flat plane
In a rechargeable battery in which an electrode plate group obtained by superimposing a positive electrode plate, in which positive electrode material is attached to a positive electrode current...
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6819084 |
Method of fabricating rechargeable lithium battery and rechargeable lithium battery fabricated by same
Disclosed is a method of fabricating a rechargeable lithium battery and a rechargeable lithium battery fabricated by the same. In this method, an electrolyte is placed between a positive electrode...
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6815003 |
Method for fabricating electrode for lithium secondary battery
A method for fabricating an electrode for lithium secondary battery formed by depositing a thin film composed of active material capable of lithium storage and release, on a metallic foil to be...
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6814764 |
Method for producing cathode active material and method for producing non-aqueous electrolyte cell
A method for producing a cathode active material having superior cell characteristics through single-phase synthesis of a composite material composed of a compound represented by the general...
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6811924 |
Method for the preparation of cathode active material and method for the preparation of non-aqueous electrolyte
A LiFePO 4 carbon composite material is to be synthesized in a single phase satisfactorily to achieve superior cell characteristics. In preparing a cathode active material, a starting material for...
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6811910 |
Metal air cell incorporating air flow system
A metal air cell system comprises a frame structure configured with variable airflow paths. The variable airflow paths provide alternatives between direct open loop airflow and semi-closed loop air...
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6811928 |
Battery with adhesion resin layer including filler
Conventional batteries are disadvantageous in that a firm outer case must be used to maintain an electrical connection between electrodes, which has been an obstacle to size reduction. Those in...
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6805999 |
Buried anode lithium thin film battery and process for forming the same
A reverse configuration, lithium thin film battery ( 300 ) having a buried lithium anode layer ( 305 ) and process for making the same. The present invention is formed from a precursor composite...
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6806002 |
Electrolytic composition with polymer base for electrochemical generator
The invention concerns an aprotic electrolytic composition located in the separator and in at least one composite electrode containing a powder of an active electrode material, and if necessary an...
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6805719 |
Balanced anode electrode
An anode-limited battery and method of assembly are provided in which a lithium anode subassembly is constructed from two pieces of lithium foil. An elongated thicker piece of lithium foil is...
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6806001 |
Battery in bipolar stacked configuration and method for the production thereof
The invention relates to a battery of bipolar stack design, having a plurality of subcells. The battery, the subcells of which comprise in each case two electrodes of different polarity and an...
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6803152 |
Nonaqueous electrolytes based on organosilicon ammonium derivatives for high-energy power sources
A nonaqueous electrolyte additive includes an organosilicon backbone including at least one ethylene oxide (CH 2 CH 2 O) unit, at least two pyridinium groups bound to the backbone, the pyridinium...
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6800397 |
Non-aqueous electrolyte secondary battery and process for the preparation thereof
In accordance with the non-aqueous electrolyte secondary battery of the invention and the process for the preparation thereof, charging is carried out with a combination of a positive electrode...
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6797017 |
Preparation of &egr -phase silver vanadium oxide from &ggr -phase SVO starting material
The current invention relates to the preparation of an improved cathode active material for non-aqueous lithium electrochemical cell. In particular, the cathode active material comprises ε-phase...
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6794078 |
Fuel cell, fuel cell separator, and method of manufacture thereof
A fuel-cell separator comprising a resin and an electric conductor dispersed in the resin is produced by thermally molding a mixture comprising the electric conductor and the resin.
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6793692 |
Electrical component and method for manufacturing the same
To provide an electrical component, in which ions migrate between electrodes and which provides high efficiency. A method for manufacturing an electrical component, in which ions migrate between...
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6793691 |
Method for assembling battery element group and battery manufactured with the same method
A method for assembling battery element group includes the steps of folding the plates, arranging the positive and negative plates alternately, inserting a plate with one of the polarities into a...
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6790243 |
Lithium-ion cell and method for activation thereof
A lithium-ion cell includes a carbonaceous anode and a lithiated metal oxide cathode, with a plastic spacer therebetween and liquid electrolyte containing lithium salts. The cell stands for a...
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6786937 |
Sealing method and apparatus for a fuel cell stack
A fuel cell stack includes a stack of flow plates, a first gasket that is compatible with a coolant and a second gasket that is incompatible with the coolant. The stack of flow plates includes...
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6783888 |
Control of cell swelling by the proper choice of carbon monofluoride (CFx) cathode materials in high rate defibrillator cells
The minimization or elimination of swelling in lithium cells containing CF x as part of the cathode electrode and discharged under high rate applications is described. When CF x materials are...
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6783887 |
Method and apparatus for manufacturing battery module and unit battery cell for use in battery module
In the method for manufacturing the battery module according to this invention, after a pair of welding upper/lower electrodes 21, 22 or 23, 24 are arranged in contact on the cases 16, 16 of...
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6782605 |
Accumulator forming installation
An installation for manufacturing accumulators employs a plurality of pallets for supporting the accumulators, a loading station ( 3 ), an unloading station ( 4 ), a power supply ( 5 ), and an...
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6783883 |
Gas-proof assembly composed of a bipolar plate and a membrane-electrode unit of polymer electrolyte membrane fuel cells
According to known methods, gas chambers of fuel cells are sealed by applying pressure. A small space always remains between the electrode and the membrane. According to the inventive sealing...
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6780207 |
Method for manufacturing a lithium polymer secondary battery
A method for manufacturing a lithium polymer secondary battery including cells each having an anode, a cathode, and an isolation film, which is capable of minimizing the gap between each electrode...
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6777128 |
Secondary battery and fabrication method thereof
A secondary battery and a fabrication method of the secondary battery includes a battery unit having a positive electrode plate, a negative electrode plate and a separator interposed there between,...
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6777136 |
Lithium polymer battery and method for producing the same
In order to improve a storage stability at high temperatures of a lithium polymer battery including: a positive electrode comprising a lithium-containing complex oxide; a negative electrode...
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6759154 |
Water recovery for a fuel cell system
A fuel cell system is disclosed. A fuel cell stack is in fluid communication with a reformer. An air conditioning system is in fluid communication with the reformer. Methods of making and using a...
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6759170 |
Organic carbonate additives for nonaqueous electrolyte rechargeable electrochemical cells
A lithium ion electrochemical cell having high charge/discharge capacity, long cycle life and exhibiting a reduced first cycle irreversible capacity, is described. The stated benefits are realized...
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6753036 |
Method for fabrication of electrodes
Described herein is a method to fabricate porous thin-film electrodes for fuel cells and fuel cell stacks. Furthermore, the method can be used for all fuel cell electrolyte materials which utilize...
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6749648 |
Lithium metal oxides
Lithium metal oxide particles have been produced having average diameters less than about 100 nm. Composite metal oxides of particular interest include, for example, lithium cobalt oxide, lithium...
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6749950 |
Expanded grid
Provided for herein is a method of making an expanded metal grid, comprising: compression rolling a metal strip at a reduction ratio from about 1.25 to 1, to about 25 to 1 to produce a rolled...
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6750169 |
Composite electrodes for solid state devices
A solid state ionic device includes a dense electrolyte sandwiched between two porous electrodes. In one embodiment, the device is anode supported and the cathode is formed of a porous...
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6749964 |
Active positive-electrode material in electrochemical cells, and process for the production of these materials
The invention relates to novel materials based on coated metal particles for use as active positive-electrode material in electrochemical cells.
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6749649 |
Method and device for mounting cell
A method of attaching a battery cell in an apparatus acted upon by centrifugal force avoids an extreme decline in discharge capacity of the battery cell when acted upon by the centrifugal force....
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6749962 |
Lithium battery having an electrolyte gel using a crosslinked prepolymer to form an epoxy resin
A lithium battery including an electrode assembly having a cathode, an anode and a separator interposed between the cathode and the anode, a gel-state electrolyte solution having a crosslinking...
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6749650 |
System and method for multilayer fabrication of lithium polymer batteries and cells
Method of making Li-intercalateable electrodes for a lithium-ion battery by applying a first film onto a first face of an electrically conductive grid, which film comprises a plurality of...
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6746804 |
Nonaqueous organic electrolytes for low temperature discharge of rechargeable electrochemical cells
An alkali metal secondary electrochemical cell, and preferably a lithium ion cell, activated with an equilibrated quaternary solvent system, is described. The solvent system comprises a mixture of...
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6746796 |
Electrode-rolled battery and method of manufacturing electrode-rolled battery
There is an electrode-rolled battery in which an anode and a cathode are rolled in a manner that a separator is put between the anode and the cathode and in which a plurality of collecting tabs is...
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6746788 |
Concentration cells utilizing external fields
A method of producing concentration cells applicable to generating electricity. An external field is used to cause a translational displacement of small-volumed concentration differences that are...
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6740131 |
Apparatus for automatically fabricating fuel cell
An apparatus and method provide for automated converting of a web of a thin patterned catalyst-coated membrane to separate membrane sheets for fuel cell assembly. The membrane typically has a...
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6740451 |
Gold additive for a cathode including nickel oxyhydroxide for an alkaline battery
An alkaline battery includes a cathode including a gold salt, an anode including zinc, a separator between the cathode and the anode, and an alkaline electrolyte.
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6735852 |
Method and apparatus for unloading a battery group from a jig box
A method and apparatus of unloading a battery group from a jig box including engaging the bottom of group on a support, releasing the grip of the jig box on the group, raising the support and...
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6733546 |
Method of preparing an anode material for lithium secondary battery
The present invention provides anode material consisting of anode active material having a great charge-discharge capacity, a high charge-discharge efficiency, a flat discharge curve and good...
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