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| Number | Title | Issue Date |
| 8187749 | Positive electrode for lithium ion secondary battery and lithium ion secondary battery using the same According to a positive electrode for a lithium ion secondary battery comprising a current collector and a mixture layer containing a transition metal-containing complex oxide as a positive electrode active material formed on the current collector, wherein the mixtu... | 05/29/2012 |
| 8178240 | Positive electrode and method for manufacturing the same and lithium battery utilizing the same Disclosed is a positive electrode applied in lithium battery and method for manufacturing the same. First, a lithium alloy oxide layer is formed on a substrate. Subsequently, an additional high density and low energy plasma treatment is processed, such that the lith... | 05/15/2012 |
| 8173301 | Positive electrode active material for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery including the same A positive electrode active material for a non-aqueous electrolyte secondary battery including a lithium-containing transition metal oxide having a closest-packed cubic structure of oxygen, the lithium-containing transition metal oxide having a composition represent... | 05/08/2012 |
| 8153301 | Cathode compositions for lithium-ion electrochemical cells Provided are compositions useful as cathodes for lithium-ion batteries. The compositions include lithium mixed metal oxides of the formula, Li[LixNiyMnz]O2, wherein x+y+z=1, 0 | 04/10/2012 |
| 8148015 | Cathode materials for lithium batteries Described are cathode materials for lithium batteries. Better cathode materials may be produced by mixing at least two compounds and a binder additive. The first compound includes one or more salts of lithium metal phosphorous while the second compound includes one ... | 04/03/2012 |
| 8137843 | Negative electrode active material for nonaqueous electrolyte battery, nonaqueous electrolyte battery, battery pack, and vehicle A negative electrode active material contains a metal-displaced lithium-titanium oxide of a ramsdellite structure expressed by the formula Li(16/7)-xTi(24/7)-yMyO8 (where M is at least one metal element selected from the g... | 03/20/2012 |
| 8097363 | Positive electrode material, its manufacturing method and lithium secondary battery The object of the invention is to provide positive electrode material in which a discharge rate characteristic and battery capacity are hardly deteriorated in the environment of low temperature of −30° C., its manufacturing method and a lithium secondary battery ... | 01/17/2012 |
| 8076030 | Alkali metal titanates, and electrodes and batteries based on the same Disclosed is a lithium titanate material, which may include an additive, and its use as an electrode in a battery. Specifically disclosed is a lithium titanate based material, with primary particle size larger than 100 nm, having very good high rate charge and disch... | 12/13/2011 |
| 8062792 | Processes for making dense, spherical active materials for lithium-ion cells Processes are provided for making dense, spherical mixed-metal carbonate or phosphate precursors that are particularly well suited for the production of active materials for electrochemical devices such as lithium ion secondary batteries. Exemplified methods include... | 11/22/2011 |
| 8029930 | Positive electrode material for lithium secondary battery, method for producing the same, and lithium secondary battery A positive electrode material for a lithium secondary battery, which is high in safety, high in capacity, excellent in cycle performance, and high in charge/discharge efficiency, is provided. The positive electrode material for a lithium secondary battery is a powde... | 10/04/2011 |
| 8021785 | Cathode active material for non-aqueous electrolyte secondary battery and its production method Provided are a cathode active material with high safety, with high discharge capacity even at high operating voltage, and with excellent cyclic charge and discharge properties, its production method and a non-aqueous electrolyte secondary battery containing the cath... | 09/20/2011 |
| 8007941 | Positive active material for rechargeable lithium battery and method of preparing same A positive active material for a rechargeable lithium battery. The positive active material includes a core and a surface-treatment layer on the core. The core includes at least one lithiated compound and the surface-treatment layer includes at least one coating mat... | 08/30/2011 |
| 8003255 | Nonaqueous electrolyte battery, lithium titanium composite oxide and battery pack A nonaqueous electrolyte battery is provided and includes: a negative electrode including a lithium titanium composite oxide showing an X-ray diffraction pattern in which each of main peak intensities of rutile TiO2, anatase TiO2 and Li2 | 08/23/2011 |
| 7998619 | Positive-electrode material for lithium secondary battery, secondary battery employing the same, and process for producing positive-electrode material for lithium secondary battery A subject for the invention is to provide a positive-electrode material, which has high capacity and high output and is inhibited from suffering a decrease in output with repetitions of charge and use. The invention provides a positive-electrode material for lithium... | 08/16/2011 |
| 7998620 | Positive electrode active material for non-aqueous electrolyte secondary battery and method for producing the same, and non-aqueous electrolyte secondary battery using positive electrode active material An object of the present invention is to provide a positive electrode active material for a non-aqueous electrolyte secondary battery, which can solve the problem that the capacity remarkably decreases with an increase of the number of charging and discharging cycle... | 08/16/2011 |
| 7976983 | Lithium ion secondary battery A lithium ion secondary battery including a positive electrode including a lithium composite oxide represented by the general formula (1): LixM1-yLyO2 (0.85≦x≦1.25 and 0≦y≦0.50; M is at least one selected from the ... | 07/12/2011 |
| 7968231 | Electrode materials and lithium battery systems A material comprising a lithium titanate comprising a plurality of primary particles and secondary particles, wherein the average primary particle size is about 1 nm to about 500 nm and the average secondary particle size is about 1 μm to about 4 μm. In some embod... | 06/28/2011 |
| 7960059 | 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 a metal hydroxide, having a second avera... | 06/14/2011 |
| RE42433 | Positive active material for rechargeable lithium battery and method of preparing same A positive active material for a rechargeable lithium battery is provided. The positive active material includes at least one compound selected from the group consisting of lithiated compounds, a metal oxide layer formed on a surface of the compound and metal oxide ... | 06/07/2011 |
| 7951490 | Positive electrode active matter and secondary battery using this A secondary battery both having a cathode and an anode with a separator in between. The cathode comprises a stable complex oxide LixNi1-y-zMnyMIzO2 and a highly conductive complex oxide LisMIIl-t... | 05/31/2011 |
| 7931987 | Lithium-ion battery A lithium-ion battery includes a positive electrode comprising a current collector and a first active material comprising LiCoO2 and a negative electrode comprising a current collector, a second active material, and a third active material. The second act... | 04/26/2011 |
| 7927740 | Battery pack and vehicle A battery pack includes nonaqueous electrolyte batteries each comprising a positive electrode and a negative electrode. The positive electrode contains a lithium-transition metal oxide having a layered crystal structure. The negative electrode contains a lithium-tit... | 04/19/2011 |
| 7927741 | Lithium transition metal oxide having layered structure In a lithium transition metal oxide having a layered structure, one is provided, which is particularly excellent as a positive electrode active material of a battery on board of an electric vehicle or a hybrid vehicle in particular. A lithium transition metal oxide ... | 04/19/2011 |
| 7923152 | Nonaqueous electrolyte battery, battery pack and vehicle A nonaqueous electrolyte battery includes a positive electrode containing a lithium-transition metal oxide having a layered crystal structure; a negative electrode containing a lithium-titanium composite oxide having a spinel structure; and a nonaqueous electrolyte.... | 04/12/2011 |
| 7883797 | Non-aqueous electrolyte battery A non-aqueous electrolyte battery that contains a molten salt electrolyte and has the enhanced output performances and cycle performances can be provided. The electrolyte has a molar ratio of lithium salt to molten salt of from 0.3 to 0.5, and the non-aqueous electr... | 02/08/2011 |
| 7883798 | Active material for battery and method of preparing the same An active material for a battery has a surface treatment layer that includes a conductive agent and at least one coating-element-containing compound selected from the group consisting of a coating-element-containing hydroxide, a coating-element-containing oxyhydroxi... | 02/08/2011 |
| 7879493 | Alkali metal titanates and methods for their synthesis Disclosed is a doped lithium titanate and its use as an electrode in a battery. Further disclosed is a method for making an alkali metal titanate, which method includes mixing an alkali metal compound and a titanium compound, impact milling the mixture, and heating ... | 02/01/2011 |
| 7851088 | Positive electrode active material for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery Disclosed is a positive electrode active material for a nonaqueous electrolyte secondary battery having at least a lithium-transition metal composite oxide of a layer structure, in which an existence ratio of at least one selected from the group consisting of elemen... | 12/14/2010 |
| 7816036 | Positive electrode active material and non-aqueous electrolyte secondary cell comprising the same To provide a non-aqueous electrolyte secondary battery in which the amount of Li deposited is small and the battery surface temperature does not increase so much, a positive electrode active material comprising crystal particles of an oxide having a layered single-p... | 10/19/2010 |
| 7811705 | Lithium-ion battery A lithium-ion battery includes a positive electrode that includes a current collector that includes a positive electrode comprising a current collector and an active material comprising a material selected from the group consisting of LiCoO2, LiMn2 | 10/12/2010 |
| 7807299 | Lithium-ion battery A lithium-ion battery includes a positive electrode including a positive current collector, a first active material, and a second active material. The battery also includes a negative electrode having a negative current collector and a third active material, the thi... | 10/05/2010 |
| 7807298 | Non-aqueous electrolyte secondary battery with laminated separator A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and an electrolyte, wherein the positive electrode comprises a positive electrode acti... | 10/05/2010 |
| 7771875 | Positive electrodes for rechargeable batteries Active materials for positive electrodes of rechargeable batteries and the methods of fabrication for the active materials as well as positive electrodes thereof are provided, where the active material comprises of a mixture of two components, A and B. A are compoun... | 08/10/2010 |
| 7767342 | Positive electrode active material including a lithium transition metal complex oxide and an oxide of a dissimilar element A non-aqueous electrolyte secondary battery that can restrict lowering of battery performance during battery preservation is provided. A negative electrode that a negative electrode mixture including graphite is applied on a rolled copper foil and a positive electro... | 08/03/2010 |
| 7763386 | Cathode active material and non-aqueous electrolyte secondary cell using same A cathode active material having a large capacity and improved charge/discharge cycle characteristics is disclosed. A battery has a cathode (2) having a cathode active material, an anode (3) and a non-aqueous electrolyte, and uses a cathode active mate... | 07/27/2010 |
| 7759006 | Electrode active material for lithium secondary battery Disclosed is a compound represented by the following formula 1. A lithium secondary battery using the same compound as electrode active material, preferably as cathode active material, is also disclosed. LiMP1-xAxO4 [F... | 07/20/2010 |
| 7759007 | Cathode active material and lithium ion secondary battery A lithium ion secondary battery is provided. The battery includes a positive electrode having at least a cathode active material and a binder, a negative electrode, an electrolyte, and a separator which are arranged between the positive electrode and the negative el... | 07/20/2010 |
| 7740985 | Lithium-ion battery A lithium-ion battery includes a positive electrode that has a current collector and a first active material and a negative electrode that has a current collector, a second active material, and a third active material. The second active material includes a lithium t... | 06/22/2010 |
| 7736807 | Non-aqueous electrolytic solution secondary battery A non-aqueous electrolytic solution secondary battery includes a positive electrode containing, as a positive electrode active material, a compound represented by the following general formula, LixFe1-yMyPO4, wherein M is ... | 06/15/2010 |
| 7732096 | Lithium metal oxide electrodes for lithium batteries An uncycled preconditioned electrode for a non-aqueous lithium electrochemical cell including a lithium metal oxide having the formula xLi2−yHyO.xM′O2.(1−x)Li1−zHzMO2 in which 0 | 06/08/2010 |
