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7635539 |
Non-aqueous electrolyte secondary battery
As a negative electrode active material, carbon materials such as natural graphite, artificial graphite, non-graphitized carbon, and cork (charcoal) can be used. Further, a negative electrode...
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7635536 |
Manganese oxide composite electrodes for lithium batteries
An activated electrode for a non-aqueous electrochemical cell is disclosed with a precursor thereof a lithium metal oxide with the formula xLi 2 MnO 3 .(1−x)LiMn 2−y M y O 4 for...
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7629080 |
Electrode materials for electrochemical cells
A lithiated metal phosphate material is doped by a portion of the lithium atoms which are present at the M2 sites of the material. The doped material has the general formula: Li 1+x M 1−x−d D d...
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7629082 |
Anode active material with improved electrochemical properties and electrochemical device comprising the same
Disclosed is an anode active material, comprising: (a) a carbonaceous material; and (b) a carbide coating layer partially or totally formed on a surface of the carbonaceous material, the carbide...
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7625664 |
Flexible thin printed battery and device and method of manufacturing same
A flat, flexible electrochemical cell is provided. The within invention describes various aspects of the flat, flexible electrochemical cell. A printed anode is provided that obviates the need for...
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7625670 |
Cathode material for secondary batteries with non-aqueous electrolyte, a process for preparing the cathode material and lithium secondary battery containing the same
Provided are a cathode active material for a non-aqueous electrolyte lithium secondary battery, a process for preparing the same and a lithium secondary battery comprising the same. The cathode...
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7622223 |
Nonaqueous electrolyte secondary battery
A nonaqueous electrolyte secondary battery includes a positive electrode containing a positive active material, a negative electrode containing a negative active material and a nonaqueous...
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7622221 |
Non-aqueous electrolyte secondary battery and positive electrode active material therefor
A positive electrode active material for a non-aqueous electrolyte secondary battery including a manganese oxide having a spinel structure, wherein the manganese oxide is represented by the general...
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7622224 |
Lithium storage cell presenting both a high electrical potential and a high lithium insertion capacity
A lithium storage cell comprises at least a first electrode comprising an active material wherein Li + cations can be inserted, a second electrode and an electrolyte. The active material of the...
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7615312 |
Substituted phenothiazine redox shuttles for rechargeable lithium-ion cell
A rechargeable lithium-ion cell contains a positive electrode, negative electrode, charge-carrying electrolyte containing charge carrying medium and lithium salt, and an N-substituted or...
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7615317 |
N-oxide redox shuttles for rechargeable lithium-ion cell
A rechargeable lithium-ion cell contains a positive electrode, negative electrode, charge-carrying electrolyte containing charge carrying medium and lithium salt, and cycloaliphatic N-oxide...
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7615508 |
Cathode for air assisted battery
A cathode for an air recovery alkaline battery is disclosed. The cathode contains at least about 60% by weight MnO 2 and at least about 2% by weight of a hydrophobic polymer; the MnO 2 consists...
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7611803 |
Electrochemical cell
An alkaline electrochemical cell having an anode containing zinc and a cathode that includes a catalyst and an iodate is disclosed. The catalyst catalyzes the reduction of the iodate when the cell...
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7608332 |
Cathode material particle comprising of plurality of cores of coated grains
A cathode material particle comprising a plurality of cathode material cores and each cathode material core having plurality of grains and each grain being uniformly covered with a nano-metal oxide...
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7608362 |
Cathode active material, method of preparing the same, and cathode and lithium battery containing the material
Composite cathode active materials having a large diameter active material and a small diameter active material are provided. The ratio of the average particle diameter of the large diameter active...
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7601463 |
Nonaqueous electrolyte secondary battery
A nonaqueous electrolyte secondary battery includes: an outer housing; a nonaqueous electrolyte filled in the outer housing, a positive electrode housed in the outer housing, a negative electrode...
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7601462 |
Cathode active material for lithium rechargeable battery and lithium rechargeable battery using the same
A cathode active material for a lithium rechargeable battery is provided. The cathode active material is used for a lithium rechargeable battery containing a cathode, an anode, and an electrolytic...
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7592100 |
Positive-electrode active material and nonaqueous-electrolyte secondary battery containing the same
The present invention provides a high-capacity and low-cost non-aqueous electrolyte secondary battery, comprising: a negative electrode containing, as a negative electrode active material, a...
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7588860 |
Lithium primary battery
A lithium primary battery including: a positive electrode containing a mixed crystalline manganese oxide; a negative electrode containing at least one selected from the group consisting of lithium...
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7585435 |
High density cobalt-manganese coprecipitated nickel hydroxide and process for its production
The present invention provides high density cobalt-manganese coprecipitated nickel hydroxide, particularly having a tapping density of 1.5 g/cc or greater, and a process for its production...
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7585592 |
Positive electrode and nonaqueous electrolyte secondary battery
A positive electrode for a secondary battery and a secondary battery. A mixture of at least a lithium metal oxide with a hexagonal crystal structure (belonging to the R3m space group) containing...
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7585590 |
Rechargeable lithium-ion cell with triphenylamine redox shuttle
Provided is a rechargeable lithium-ion cell that contains a positive electrode, a negative electrode, a charge-carrying electrolyte containing a charge carrying medium and a lithium salt, and a...
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7585432 |
High density cobalt-manganese coprecipitated nickel hydroxide and process for its production
The present invention provides high density cobalt-manganese coprecipitated nickel hydroxide, particularly having a tapping density of 1.5 g/cc or greater, and a process for its production...
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7582383 |
Complex oxide materials and cathode materials for lithium ion battery
A lithium secondary battery that is highly safe and has long life. The battery, which is a nonaqueous lithium secondary battery, utilizes a cathode active material comprising a complex oxide...
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7582386 |
Nonaqueous electrolyte battery, battery pack and vehicle
A nonaqueous electrolyte battery includes a positive electrode and a negative electrode. The positive electrode comprises a positive electrode layer containing a metal compound. The metal compound...
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7579114 |
Method of preparing positive electrode active material
A positive electrode active material for a non-aqueous electrolyte battery comprising a lithium-containing transition metal oxide, produced with the use of a dry precursor obtained by: introducing...
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7575831 |
Co-precipitation method for the preparation of Li1+xNi1-yCoyO2-based cathode materials
A method for preparing Li 1+x Ni 1−y Co y O 2 cathode materials is disclosed, wherein −0.2≦x≦0.2 and 0.05≦y≦0.5. The method includes the following steps: (A) adding a first solution...
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7556887 |
Nonaqueous electrolyte secondary battery with negative electrode having a La3Co2Sn7 type crystal structure
A nonaqueous electrolyte secondary battery includes a case, a nonaqueous electrolyte provided in the case, a positive electrode provided in the case and capable of absorbing-releasing Li, and a...
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7556655 |
Method of producing lithium ion cathode materials
A method of producing Li y [Ni x Co 1−2x Mn x ]O 2 wherein 0.025≦x≦0.5 and 0.9≦y≦1.3. The method includes mixing [Ni x Co 1−2x Mn x ]OH 2 with LiOH or Li 2 CO 3 and one or both of...
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7556889 |
Positive electrode active material for secondary battery, positive electrode for secondary battery, secondary battery and method for producing positive electrode active material for secondary battery
A life of a secondary battery is extended, increase in a resistance when storing a secondary battery at an elevated temperature is prevented, and increase in a resistance during a charge-discharge...
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7547491 |
Cathode active material, method of preparing the same, and cathode and lithium battery applying the material
Composite cathode active materials comprising a composite oxide and an acid treated with an organic solvent are provided. The composite cathode active materials are prepared by treating mixtures of...
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7541114 |
Anode active material, manufacturing method thereof, and non-aqueous electrolyte secondary battery
In order to provide a 3V level non-aqueous electrolyte secondary battery with a flat voltage and excellent cycle life at a high rate with low cost, the present invention provides a positive...
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7527896 |
Nonaqueous electrolyte secondary battery
A nonaqueous electrolyte secondary battery which comprises a positive electrode including particles of lithium-containing layered nickel oxide represented by a general formula Li a Ni x Co y Al z M...
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7529014 |
Boron-substituted lithium compounds, active electrode materials, batteries and electrochrome devices
Lithium insertion compound having the following formula (I):
Li α M β M1 v M2 w M3 x M4 y M5 z B γ (XO 4−ε Z ε ) 1 ...
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7524581 |
Non-aqueous electrochemical cells
Electrochemical cells are disclosed. In some embodiments, an electrochemical cell includes a cathode having less than about 2,000 ppm of water, an anode, and an electrolyte having a first lithium...
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7524529 |
Method for making a lithium mixed metal compound having an olivine structure
A method for preparing a Li x M y PO 4 compound having an olivine structure includes: preparing a solution containing transition metal M ions, Li + ions and PO 4 3− ions; drying the solution...
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7524439 |
Positive electrode for non-aqueous electrolyte battery and method of producing the same as well as non-aqueous electrolyte battery
In a positive electrode of a non-aqueous electrolyte battery, at least one metal oxide selected from the group consisting of titanium dioxide, alumina, zinc oxide, chromium oxide, lithium oxide,...
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7517613 |
Positive electrode material for lithium secondary battery and lithium secondary battery using the same
A positive electrode material for a nonaqueous lithium secondary battery and a lithium secondary battery that has superior cycle life and safety and reduced internal resistance of the battery at...
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7510801 |
Alkaline battery and method for producing the same
There is provided an alkaline battery produced by sealing in an outer package body: a positive mixture containing at least one selected from manganese dioxide and a nickel oxide, a conducting...
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7507502 |
Negative electrode having intermetallic compound that occludes/desorbs lithium as an active material layer on collector for non-aqueous secondary battery and non-aqueous secondary battery using the same
A negative electrode of the present invention has an active material layer composed of an intermetallic compound on a collector. The intermetallic compound is capable of occluding/desorbing lithium...
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7507501 |
Positive active material composition for rechargeable lithium batteries
A positive active material composition for a rechargeable lithium battery includes at least one lithiated compound, and at least one additive compound selected from the group consisting of a...
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7501208 |
Doped manganese dioxides
An active manganese dioxide electrode material that exhibits improved electrochemical performances compared with conventional manganese dioxide materials includes at least one dopant. The doped...
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7491464 |
Alkaline cell with flat housing
An alkaline cell having a flat housing, preferably of cuboid shape. The housing may be laser welded closed with a metal cover inserted as a part of an end cap assembly. A portion of an insulating...
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7488465 |
Solid state synthesis of lithium ion battery cathode material
Single-phase lithium-transition metal oxide compounds containing cobalt, manganese and nickel can be prepared by wet milling cobalt-, manganese-, nickel- and lithium-containing oxides or oxide...
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7481991 |
Process for producing lithium-containing composite oxide for positive electrode for lithium secondary battery
A process to produce a positive electrode active material for a lithium secondary battery, having a large volume capacity density and high safety, uniform coating properties, charge and discharge...
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7479352 |
Cathode active material for lithium battery, cathode including the cathode active material, and lithium battery employing the cathode active material
Cathode active materials for lithium batteries are provided. In one embodiment, the cathode active material is a lithium complex material represented by the following Formula: yLi[Li 1/3 Me 2/3 ]O...
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7479349 |
Batteries including a flat plate design
A battery having flat, stacked, anode and cathode layers. The battery can be adapted to fit within an implantable medical device.
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7476467 |
Lithium secondary battery with high power
The present invention provides a non-aqueous electrolyte-based high power lithium secondary battery having a long-term service life and superior safety at both room temperature and high...
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7476466 |
Alkaline dry battery with a nickel oxyhydroxide and manganese oxide positive electrode including a calcium compound
Provided is an alkaline dry battery allowing suppression of polarization in pulse discharge under heavy load to improve discharge characteristics, and having high reliability in safety in case of...
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7468225 |
Non-aqueous electrolyte secondary battery
A non-aqueous electrolyte secondary battery including a positive electrode and a negative electrode each capable of absorbing and desorbing lithium, a separator interposed therebetween, and a...
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