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| Number | Title | Issue Date |
| 8053115 | Active material for lithium ion battery having Mg-containing lithium titanate and lithium ion battery It is an object of the present invention to provide an active material for lithium ion battery having an excellent discharge capacity in the potential flat part and a high-performance and long-life lithium ion battery, and particularly to provide a technology of imp... | 11/08/2011 |
| 8003256 | Positive electrode active material having magnesium atoms and sulfate groups, method for manufacturing the same, and lithium secondary battery having the same A positive electrode active material for a lithium secondary battery according to an aspect of the present invention is a lithium-transition metal compound oxide which is produced by mixing a lithium compound, a transition metal compound, a magnesium compound, and a... | 08/23/2011 |
| 7862932 | Catalyst, electrode, membrane electrode assembly and fuel cell Disclosed is a catalyst, including a catalyst particle containing at least one component selected from the group consisting of gold, platinum and an gold alloy, the gold alloy containing gold and at least one element selected from transition metal elements of the fo... | 01/04/2011 |
| 7517614 | Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same The negative active material for a rechargeable lithium battery of the present invention includes a carbonaceous material and a silicon-based compound represented by Formula 1: Si(1-y)MyO1+x(1) where 0≦y≦1, âˆ... | 04/14/2009 |
| 7482096 | Alleviation of voltage delay in lithium-liquid depolarizer/electrolyte solvent battery cells Voltage delay in an active metal anode/liquid cathode battery cell can be significantly reduced or completely alleviated by coating the active metal anode (e.g., Li) surface with a thin layer of an inorganic compound with Li-ion conductivity using chemical treatment... | 01/27/2009 |
| 7442469 | Cathode active material and non-aqueous electrolyte secondary battery A cathode with a cathode active material is provided. The cathode active material is obtained by mixing a zirconium-containing lithium cobalt composite oxide containing zirconium as a sub-component element in a first lithium cobalt composite oxide expressed by a for... | 10/28/2008 |
| 7438992 | Lithium-based active materials and preparation thereof The invention provides novel lithium-mixed metal materials which, upon electrochemical interaction, release lithium ions, and are capable of reversibly cycling lithium ions. The invention provides a rechargeable lithium battery which comprises an electrode formed fr... | 10/21/2008 |
| 7435510 | Nonaqueous electrolyte secondary battery A nonaqueous electrolyte secondary battery comprising a positive electrode containing a positive active material, a negative electrode containing a negative active material and a nonaqueous electrolyte, wherein a lithium transition metal complex oxide A formed by al... | 10/14/2008 |
| 7435509 | Electrode for a lithium cell This invention relates to a positive electrode for an electrochemical cell or battery, and to an electrochemical cell or battery; the invention relates more specifically to a positive electrode for a non-aqueous lithium cell or battery when the electrode is used the... | 10/14/2008 |
| 7432015 | Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same The negative active material for a rechargeable lithium battery of the present invention includes a carbonaceous material and a silicon-based compound represented by Formula 1: Si(1-y)MyO1+x   (1) where 0 | 10/07/2008 |
| 7422824 | Active material of positive electrode for nonaqueous electrolyte secondary battery and process for producing the same A positive electrode active material for a non-aqueous electrolyte secondary battery includes a particle of a composite oxide which contains Li and Co, wherein: the composite oxide further contains an element M1 and an element M2; the element M... | 09/09/2008 |
| 7416814 | Lithium secondary battery, and process for producing the same A lithium secondary battery, which comprises a positive electrode, a negative electrode containing a lithium ion-storable/dischargeable negative electrode-active material and a lithium ion conductive, non-aqueous electrolytic solution or polymer electrolyte can have... | 08/26/2008 |
| 7399552 | Battery Provided is a battery capable of improving charge-discharge cycle characteristics. The battery comprises a spirally wound electrode body in which a cathode and an anode are spirally wound with a separator in between. The capacity of the anode includes a capacity com... | 07/15/2008 |
| 7390594 | Anode material for lithium batteries Primary and secondary Li-ion and lithium-metal based electrochemical cell system. The suppression of gas generation is achieved through the addition of an additive or additives to the electrolyte system of respective cell, or to the cell itself whether it be a liqui... | 06/24/2008 |
| 7381497 | Positive electrode active material for non-aqueous electrolyte secondary battery A positive electrode active material for a non-aqueous electrolyte secondary battery, comprising a lithium-containing composite oxide, wherein the composite oxide is represented by the general formula: LizCo1-x-yMgxMyO | 06/03/2008 |
| 7381395 | Non-aqueous electrolyte secondary battery and method of manufacturing the same A positive electrode used in the non-aqueous electrolyte secondary battery of the present invention includes a hexagonal system lithium-containing cobalt composite oxide represented by the general expression ┌LiCo1-XMXO2 (M=Zr, Mg,... | 06/03/2008 |
| 7381496 | Lithium metal oxide materials and methods of synthesis and use A composition having a formula LixMgyNiO2 wherein 0.9 | 06/03/2008 |
| 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 impurities other than the desired composition. The composite oxide is the o... | 05/06/2008 |
| 7364793 | Powdered lithium transition metal oxide having doped interface layer and outer layer and method for preparation of the same The present invention provides a powdered lithium transition metal oxide useful as a major component for cathode active material of rechargeable lithium batteries, comprising a lithium transition metal oxide particle, a doped interface layer formed near the surface ... | 04/29/2008 |
| 7335445 | Positive electrode active material for alkaline storage battery, positive electrode and alkaline storage battery A particulate positive electrode active material for an alkaline storage battery comprising: (a) solid solution nickel hydroxide particles containing at least magnesium and (b) a coating layer comprising cobalt oxide being formed on the surface of the solid solution... | 02/26/2008 |
| 7335446 | Non-aqueous electrolyte secondary battery Cycle performance is improved without degrading initial efficiency of a non-aqueous electrolyte secondary battery that includes a positive electrode, a negative electrode, a non-aqueous electrolyte containing a solute and a solvent, the positive electrode including ... | 02/26/2008 |
| 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 Lix(Ni1-y, Coy)1-zMz | 02/19/2008 |
| 7314682 | Lithium metal oxide electrodes for lithium batteries An uncycled electrode for a non-aqueous lithium electrochemical cell including a lithium metal oxide having the formula Li(2+2x)/(2+x)M′2x/(2+x)M(2−2x)/(2+x)O2−δ, in which 0≦x | 01/01/2008 |
| 7314684 | Layer cathode methods of manufacturing and materials for Li-ion rechargeable batteries A positive electrode active material for lithium-ion rechargeable batteries of general formula Li1+xNiαMnβAγO2 and further wherein A is Mg, Zn, Al, Co, Ga, B, Zr, or Ti and 0 | 01/01/2008 |
| 7309547 | Hydrogen absorbing alloy, electrode thereof and nickel-metal hydride battery A hydrogen absorbing alloy containing at least a rare-earth element, magnesium (Mg), nickel (Ni) and aluminum (Al), having an intensity ratio (IA/IB) of not smaller than 0.6 (where IA represents an intensity of the highest peak in a ... | 12/18/2007 |
| 7303840 | Manganese oxide composite electrodes for lithium batteries An activated electrode for a non-aqueous electrochemical cell is disclosed with a precursor of a lithium metal oxide with the formula xLi2MnO3.(1−x)LiMn2−yMyO4 for 0 | 12/04/2007 |
| 7300722 | Lithium battery containing bismuth metal oxide A battery includes a cathode having an oxide containing one or more metals and pentavalent bismuth, an anode including lithium, a separator between the cathode and the anode, and an electrolyte. The metal(s) can be an alkali metal, an alkaline earth metal, a transit... | 11/27/2007 |
| 7294435 | Positive electrode active material for nonaqueous electrolyte secondary battery, positive electrode mixture for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery Disclosed is a positive electrode active material for a nonaqueous electrolyte secondary battery containing at least a lithium-transition metal composite oxide of a spinel structure, in which at least one kind of element which may become tetravalent exists on at lea... | 11/13/2007 |
| 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 source with a coating liquid, and drying the carbon source, and the negat... | 10/23/2007 |
| 7285260 | Synthesis method for carbon material based on LiMM'(XO) 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 compound of formula LixM1−yM′y(XO | 10/23/2007 |
| 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 LiNiO2 type, characterized in that the active material satisfies the formula: Li(M1 | 10/23/2007 |
| 7282300 | Lithium secondary battery comprising overdischarge-preventing agent The present invention relates to a lithium secondary battery comprising an overdischarge-preventing agent. Particularly, the present invention provides a lithium secondary battery comprising an overdischarge-preventing agent having superior effects for an overdischa... | 10/16/2007 |
| 7270915 | Alkali/transition metal HALO-and hydroxy-phosphates and related electrode active materials The present invention relates to novel battery having a first electrode comprising an electrode active material represented by the general formula AaMb(XY4)2Zd, a second electrode which is a counter-electrode to... | 09/18/2007 |
| 7255963 | Non-aqueous electrolyte rechargeable battery A non-aqueous electrolyte rechargeable battery including: (a) a positive electrode capable of charging and discharging lithium; (b) a negative electrode capable of charging and discharging lithium; (c) a separator or a lithium ion conductive layer interposed between... | 08/14/2007 |
| 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 electrolyte including an imide salt of calcium or a sulfonic acid sa... | 07/24/2007 |
| 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 optionally added fine electroconductive additive, and containing the... | 06/26/2007 |
| 7235225 | 12CaO·7A1O compound and method for preparation thereof There is provided a C12A7 compound capable of selectively and reversibly clathrating X− ions, such as active oxygen radicals, with improved controllability. The C12A7 compound clathrating OH− ions and On− at a concentration of ... | 06/26/2007 |
| 7229717 | Anode active material and battery using it A battery with a high capacity and superior cycle characteristics, and an anode active material used for it are provided. An anode active material contains tin as a first element, a second element, and a third element. The second element is at least one from the gro... | 06/12/2007 |
| 7217406 | Lithium-manganese composite oxide granular secondary particle, method for production thereof and use thereof Granular secondary particles of a lithium-manganese composite oxide suitable for use in non-aqueous electrolyte secondary batteries showing high-output characteristics which are granular secondary particles made up of aggregated crystalline primary particles of a li... | 05/15/2007 |
| 7183018 | Electrode material for anode of rechargeable lithium battery, electrode structural body using said electrode material, rechargeable lithium battery using said electrode structural body, process for producing said electrode structural body, and process for producing said rechargeable lithium battery An electrode material for an anode of a rechargeable lithium battery, containing a particulate comprising an amorphous Sn.A.X alloy with a substantially non-stoichiometric ratio composition. For said formula Sn.A.X, A indicates at least one kind of an element select... | 02/27/2007 |
