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7642014 |
Positive electrode active material containing a lithium-containing composite metal oxide 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 M1...
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7632604 |
Energy storage device and method
An article of electrochemical energy conversion is provided that includes a separator. The separator has a first surface that defines at least a portion of a first chamber, and a second surface...
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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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7629084 |
Cathode material for Li-ion battery applications
A family of Li-ion battery cathode materials and methods of synthesizing the materials. The cathode material is a defective crystalline lithium transition metal phosphate of a specific chemical...
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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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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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7601318 |
Method for synthesis of carbon-coated redox materials with controlled size
A method for the synthesis of compounds of the formula C—Li x M 1−y M′ y (XO 4 ) n , where C represents carbon cross-linked with the compound Li x M 1−y M′ y (XO 4 ) n , in which x, y and...
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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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7597997 |
Nonaqueous electrolyte secondary battery and method for producing same
A nonaqueous electrolyte secondary battery with excellent charging/discharging cycle characteristics is provided, more specifically a nonaqueous electrolyte secondary battery in which deterioration...
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7595133 |
Lithium cell
A primary cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS 2 ) and carbon particles. The electrolyte comprises a lithium salt dissolved in a nonaqueous solvent...
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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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7585594 |
Electrolyte with indicator
An electrolyte with an indicator, such as a dye, for detecting leakage from an electrochemical energy storage device is provided. Also provided is a method of making such an electrolyte with...
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7585593 |
Cathode material for Li-ion battery applications
A family of Li-ion battery cathode materials and methods of synthesizing the materials. The cathode material is a defective crystalline lithium transition metal phosphate of a specific chemical...
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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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7550098 |
Synthesis of metal compounds under carbothermal conditions
Active materials of the invention contain at least one alkali metal and at least one other metal capable of being oxidized to a higher oxidation state. Preferred other metals are accordingly...
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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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7534408 |
Process for preparing electroactive insertion compounds and electrode materials obtained therefrom
The invention relates to a process for preparing an at least partially lithiated transition metal oxyanion-based lithium-ion reversible electrode material, which comprises providing a precursor of...
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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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7510802 |
Multilayer ferritin array for bionanobattery
A thin-film electrode for a bio-nanobattery is produced by consecutively depositing arrays of a ferritin protein on a substrate, employing a spin self-assembly procedure. By this procedure, a first...
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7510808 |
Low temperature Li/FeS2 battery
The invention is a 1.5 volt primary electrochemical battery cell with an alkali metal lithium negative electrode (such as lithium), a positive electrode (comprising iron disulfide for example) and...
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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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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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7498100 |
Multi-phase, silicon-containing electrode for a lithium-ion battery
An electrode composition for a lithium-ion battery comprising particles having an average particle size ranging from 1 μm to 50 μm. The particles include an electrochemically active phase and an...
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7494744 |
Cathode material for Li-ion battery applications
A family of Li-ion battery cathode materials and methods of synthesizing the materials. The cathode material is a defective crystalline lithium transition metal phosphate of a specific chemical...
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7491468 |
Method for preparing positive electrode material for secondary cell, and secondary cell
A method for producing a cathode material for a secondary battery, characterized in that it comprises admixing a compound liberating a phosphate ion in a solution (phosphoric acid H 3 PO 4 ,...
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7491469 |
Energy storage and conversion devices using thermal sprayed electrodes
Thin cathodes are presented, For example, a cathode includes a substrate; and a layer of a nanostructured pyrite active material deposited on the substrate, wherein the layer of the nanostructured...
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7482097 |
Alkali-transition metal phosphates having a +3 valence non-transition element and related electrode active materials
This invention relates to electrode active materials, electrodes, and batteries. In particular, this invention relates to active materials comprising lithium or other alkali metals, transition...
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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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7457018 |
Synthesis method for carbon material based on LiMPO4
Method of synthesis for a material made of particles having a core and a coating and/or being connected to each other by carbon cross-linking, the core of these particles containing at least one...
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7452632 |
Negative active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery comprising same
A negative active material for a rechargeable lithium battery, a method for making the negative active material, and a rechargeable lithium battery including a carbonaceous material, which is...
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7438994 |
Non-aqueous electrolyte secondary battery
A non-aqueous electrolyte secondary battery has a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte solution. The positive electrode has a theoretical capacity...
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7422823 |
Alkali-iron-cobalt phosphates and related electrode active materials
This invention relates to electrode active materials, electrodes, and batteries. In particular, this invention relates to active materials comprising lithium or other alkali metals, iron, cobalt,...
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7393476 |
Positive electrode active material for lithium secondary cell and lithium secondary cell
A positive active material for lithium secondary batteries, includes a composite oxide including an oxide which is represented by the composite formula Li x Mn a Ni b Co c O 2 and has an α-NaFeO...
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7390472 |
Method of making nanostructured lithium iron phosphate—based powders with an olivine type structure
A low cost and scalable processes for producing nanostructured LiFe x M 1-x PO 4 and nanostructured LiFe x M 1-x PO 4 /C composite powders, where 1≦x≦0.1 and M is a metal cation, such as Mn,...
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7390336 |
Polyimide-based lithium metal battery
The present invention relates to Lithium Metal batteries. In particular, it is related to lithium metal batteries containing a polyimide-based electrolyte. The present invention concerns a new...
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7390473 |
Method of making fine lithium iron phosphate/carbon-based powders with an olivine type structure
Processes for producing fine LiFePO 4 /C and nanostructured LiFe x M 1−x PO 4 /C composite powders, where 1≦x≦0.1 and M is a metal cation. Electrodes made of either nanostructured LiFe x M...
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7378189 |
Electrode material for lithium secondary battery, electrode structure employing electrode material, and lithium secondary battery having electrode structure
The present invention provides: an electrode material for a lithium secondary battery containing lithium boron mixed oxide having a monoclinic LiBO 2 structure and represented by a chemical...
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7378192 |
Nonaqueous electrolyte battery
To present a nonaqueous electrolyte secondary battery using iron compound which is inexpensive and abundant in resource, as the active material for the positive electrode. An iron compound with...
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7371482 |
Lithium transition-metal phosphate powder for rechargeable batteries
Methods of manufacture and use of phosphates of transition metals are described as positive electrodes for secondary lithium batteries, including a process for the production of LiMPO 4 with...
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7368095 |
Composite oxide for solid oxide fuel cell and method for preparation thereof
The present invention provides a composite oxide for a high performance solid oxide fuel cell which can be fired at a relatively low temperature, and which has little heterogeneous phases of...
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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...
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7338734 |
Conductive lithium storage electrode
A compound comprising a composition A x (M′ 1-a M″ a ) y (XD 4 ) z , A x (M′ 1-a M″ a ) y (DXD 4 ) z , or A x (M′ 1-a M″ a ) y (X 2 D 7 ) z , and have values such that x, plus y(1-a)...
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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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