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Having Utility As A Reactive Material In An Electrochemical Cell; E.g., Battery, Etc.

Having Utility As A Reactive Material In An Electrochemical Cell; E.g., Battery, Etc. patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

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Having Utility As A Reactive Material In An Electrochemical Cell; E.g., Battery, Etc.



Active material for a lithium secondary battery, method of manufacturing the same, electrode including the active material, and lithium secondary battery including the electrode
12/18/14 - 20140367609 - Li[LixNiaCobMnc]O2-yFy.  [Formula 1]...

Active material for secondary battery and secondary battery using the same
12/18/14 - 20140367610 - An active material for a secondary battery with improved life characteristics is provided. An active material for a secondary battery according to this exemplary embodiment is an active material for a secondary battery represented by Lia1(Nix1Mn2-x1-y1-x1M1y1 M2z1)O4 wherein 0<x1, 0<y1, 0<z1, x1+y1+z1<2, and 0≦a1≦2; M1 is at least one selected...

Cathode active material for lithium ion secondary battery including lithium manganese borate compound and manganese oxide, and method for producing the same
12/11/14 - 20140361216 - Disclosed is a cathode active material for a lithium ion secondary battery which includes a lithium manganese borate compound and a manganese oxide. The lithium manganese borate compound contains a larger amount of lithium than conventional lithium manganese borate compounds. Therefore, a larger amount of lithium is deintercalated in a...

Method of preparing material for lithium secondary battery of high performance
12/04/14 - 20140353545 - Provided is a method for preparing a lithium mixed transition metal oxide, comprising subjecting Li2CO3 and a mixed transition metal precursor to a solid-state reaction under an oxygen-deficient atmosphere with an oxygen concentration of 10 to 50% to thereby prepare a powdered lithium mixed transition metal oxide having a composition...

Negative electrode active material for electric device
12/04/14 - 20140353546 - A negative electrode active material for an electric device includes an alloy containing, in terms of mass ratio, 35%≦Si≦78%, 7%≦Sn≦30%, 0%<Ti≦37% and/or 35%≦Si≦52%, 30%≦Sn≦51%, 0%<Ti≦35%, and inevitable impurities as a residue. The negative electrode active material can be obtained with a multi DC magnetron sputtering apparatus by use of, for...

Spinel-type lithium manganese transition metal oxide
12/04/14 - 20140353547 - Provided is a new spinel type lithium manganese transition metal oxide for use in lithium batteries, which can increase the capacity retention ratio during cycling, and can increase the power output retention ratio during cycling. Disclosed is a spinel type lithium manganese transition metal oxide having an angle of repose...

Stoichiometric lithium cobalt oxide and method for preparation of the same
12/04/14 - 20140353548 - The present invention enables production of a LiCoO2 electrode active material which has improved high-temperature storage properties and high-voltage cycling properties, and is robust in composition fluctuation in the production process. Therefore, the present invention provides advantages such as reduction of time and labor required for quality control and process...

Method for manufacturing cathode active material for lithium secondary battery
11/27/14 - 20140346392 - Provided is a method for manufacturing a cathode active material for a lithium secondary battery, the method including heat-treating a precursor aqueous solution containing a lithium precursor, a transition metal precursor, and an organic acid containing a carboxyl group, and having a chelation index (C.I) value less than 1 and...

Precursor for preparing lithium composite transition metal oxide and method for preparing the same
11/27/14 - 20140346393 - The transition metal precursor according to the present invention contains a specific anion. A lithium composite transition metal oxide prepared using the transition metal precursor comprises the anion homogeneously present on the surface and inside thereof, and a secondary battery based on the lithium composite transition metal oxide thus exerts...

Electrode active material for lithium secondary battery
11/27/14 - 20140346394 - Provided is an electrode active material comprising a nickel-based lithium transition metal oxide (LiMO2) wherein the nickel-based lithium transition metal oxide contains nickel (Ni) and at least one transition metal selected from the group consisting of manganese (Mn) and cobalt (Co), wherein the content of nickel is 50% or higher,...

Method for modification of lithium ion battery positive electrode material
11/20/14 - 20140339464 - The present invention discloses a method for modification of a lithium ion battery positive electrode material. The method comprises the following steps: (1) mixing organic acid and alcohol to obtain an organic solution; (2) adding positive electrode material into the organic solution to obtain a suspension; (3) washing with alcohol...

Cathode active material for lithium ion battery, cathode for lithium ion battery, and lithium ion battery
11/20/14 - 20140339465 - There is provided a cathode active material for a lithium ion battery having good battery properties. The cathode active material for a lithium ion battery is represented by a composition formula: Li(LixNi1-x-yMy)O2+α wherein M is one or more selected from Sc, Ti, V, Cr, Mn, Fe, Co, Cu, Zn, Ga,...

Cathode active material for lithium ion battery, cathode for lithium ion battery, and lithium ion battery
11/20/14 - 20140339466 - There is provided a cathode active material for a lithium ion battery having good battery properties. The cathode active material for a lithium ion battery is a cathode active material for a lithium ion battery represented by a composition formula: LixNi1-yMyO2+α wherein 0.9≦x≦1.2; 0<y≦0.7; and −0.1≦α≦0.1; and M is a...

Lithium manganese oxide composite, secondary battery, and manufacturing method thereof
11/13/14 - 20140332715 - To increase the amount of lithium ions that can be received and released in and from a positive electrode active material to achieve high capacity and high energy density of a secondary battery. A composite material of crystallites of LiMn2O4 (crystallites with a spinel crystal structure) and crystallites of Li2MnO3...

Anode active material for secondary battery, and secondary battery including same
11/13/14 - 20140332716 - An anode active material for a secondary battery includes an amount of a first element group in a range of about 0 at % (atomic percent) to about 30 at %, an amount of a second element group in a range of about 0 at % to about 20 at...

Method of producing a silicon/carbon composite material and use of such a material
11/13/14 - 20140332717 - A method of producing a silicon/carbon composite material which includes the following successive steps: providing a silicon/polymer composite material from silicon particles and a carbonaceous polymer compound, precursor of carbon and able to be cross-linked, performing at least partial cross-linking of the polymer of the silicon/polymer composite material so as...

Lithium silicate-based compound and production process for the same, positive-electrode active material and positive electrode for use in lithium-ion secondary battery as well as secondary battery
11/13/14 - 20140332718 - A lithium silicate-based compound according to the present invention is expressed by a general formula, Li(2−a+b)AaMn(1−x−y)CoxMySiO(4+α)Clβ (In the formula: “A” is at least one element selected from the group consisting of Na, K, Rb and Cs; “M” is at least one member selected from the group consisting of Mg, Ca,...

Multi-stage process for producing a material of a battery cell
11/06/14 - 20140326918 - A system and method thereof are provided for multi-stage processing of one more precursor compounds into a battery material. The system includes a mist generator, a drying chamber, one or more gas-solid separators, and one or more in-line reaction modules comprised of one or more gas-solid feeders, one or more...

Crystalline iron phosphate doped with metal, method of preparing the same, and lithium composite metal phosphate prepared therefrom
10/30/14 - 20140319413 - Provided are a crystalline iron phosphate doped with metals (MFePO4), which is used as a precursor of olivine-structured LiMFePO4 (LMFP) used as a cathode active material for lithium secondary batteries, and a method of preparing the crystalline iron phosphate, in which a crystalline iron phosphate doped with metals has the...

Negative electrode active material for electric device
10/30/14 - 20140319414 - A negative electrode active material for an electric device includes an alloy containing Si in a range from 23% to 64% exclusive, Sn in a range from 4% to 58% inclusive, Zn in a range from 0% to 65% exclusive, and inevitable impurities as a residue. The negative electrode active...

Chemical synthesis route for lithium ion battery applications
10/23/14 - 20140312267 - An exemplary embodiment of a synthesis method includes the following acts or steps: providing LiMn2O4 material as a precursor; leaching Mn from the LiMn2O4 material using an acid to form a synthesized solution; adding carbonaceous material to the synthesized solution; adding phosphoric acid to the synthesized solution with carbonaceous material...

Battery binder
10/23/14 - 20140312268 - Disclosed is a composition comprising an ethylene elastomer and a solvent wherein the composition is a binder for a lithium ion battery; the elastomer comprises or is produced from repeat units derived from ethylene and one or more comonomer selected from the group consisting of an alky(meth)acrylate; and the elastomer...

Doped lithium titanium spinel compound and electrode comprising same
10/23/14 - 20140312269 - The present invention relates to a doped lithium titanium spinel with formula I Li4−yK′yTi5−zK″zO12−xAx (I), wherein A is on or more anions selected from the group is consisting I, N, Br, Cl, F, K′, K″ are each one or more cations selected from the group consisting of Na, K, Cd,...

Novel fluoro material which may be used as an electrode active material
10/16/14 - 20140306149 - A fluoro material is provided for use as an electrode active material as well as a process for producing it. The material includes particles of a fluorosulfate which corresponds to formula (I) Li1-yFe1-xMnxSO4F (I) in which 0<x≦1 and 0≦y<1. The material includes a phase of triplite structure and optionally a...

Layered lithium nickel oxide, process for producing the same and lithium secondary cell employing it
10/16/14 - 20140306150 - (in Chemical Formula 1, M is any one selected from aluminum, magnesium, titanium, gallium and indium, and a, x, y and z satisfy 1.01≦a≦1.05, 0.7≦x≦0.9, 0≦y≦0.17, 0.02≦z≦0.16, and x+y+z=1, respectively)....

Active material for nonaqueous electrolyte secondary battery, method for manufacturing active material for nonaqueous electrolyte secondary battery, electrode for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery
10/16/14 - 20140306151 - Provided is an active material for a nonaqueous electrolyte secondary battery containing a lithium transition metal composite oxide which has a crystal structure of an α-NaFeO2 type and is represented by a compositional formula Li1+αMe1−αO2 (Me is a transition metal element including Co, Ni and Mn, α>0). In the lithium...

Cathode active material for lithium ion battery, cathode for lithium ion battery, and lithium ion battery
10/16/14 - 20140306152 - There is provided a cathode active material for a lithium ion battery having good battery properties. The cathode active material for a lithium ion battery is represented by a composition formula: LixNi1−yMyO2+α wherein M is one or more selected from Sc, Ti, V, Cr, Mn, Fe, Co, Cu, Zn, Ga,...

Cathode active material for lithium secondary battery
10/09/14 - 20140299813 - wherein m(Ni)/m(Mn) represents a molar ratio of nickel to manganese and m (Ni2+)/m (Mn4+) represents a molar ratio of Ni2+ to Mn4+. The cathode active material of the present invention has a uniform and stable layered structure through control of oxidation number of transition metals to a level higher than...

Method for preparing alkali metal and transition metal fluorosulfates
10/02/14 - 20140291572 - The invention relates to a method for preparing an alkali metal and transition metal fluorosulfate that is useful as an electrode material in an electrochemical battery that operates by alkali ion exchange. The method includes a first step that involves: preparing a mixture of precursors of elements making up fluorosulfate,...

Method for producing iron oxyfluoride positive electrode active substance and iron oxyflouride positive electrode active substance
10/02/14 - 20140291573 - Provided is a technology for producing a positive electrode active substance mainly composed of FeOF having a sufficient charge-discharge capacity, in the short-time and easy manner. Also provided is a positive electrode active substance mainly composed of FeOF. The method for producing the positive electrode active substance mainly composed of...

Anode active material for secondary battery and method for manufacturing same
10/02/14 - 20140291574 - An anode active material for a secondary battery is provided. The anode active material provides high-capacity, high-efficiency, charging and discharging characteristics. The anode active material for a secondary battery may include a silicon single phase and a silicon-metal alloy phase distributed around the silicon single phase. The silicon-metal alloy phase...

Composite materials of nano-dispersed silicon and tin and methods of making the same
10/02/14 - 20140291575 - Composite compounds of tin and lithium, silicon and lithium, or tin, silicon, and lithium having tin and silicon nano-dispersed in a lithium-containing matrix may be used as electrode materials and particularly anode materials for use with rechargeable batteries. Methods of making the composite compounds include the oxidation of alloys, the...

Composite cathode materials having improved cycle life
09/18/14 - 20140264158 - Lithiated composite materials and methods of manufacture are provided that are capable of imparting excellent capacity and greatly improved cycle life in lithium-ion secondary cells. By supplementing a high nickel content lithium storage material with a transition metal oxide lithium storage material or a dopant at relatively low levels, the...

Composite cathode materials having improved cycle life
09/18/14 - 20140264159 - Lithiated composite materials and methods of manufacture are provided that are capable of imparting excellent capacity and greatly improved cycle life in lithium-ion secondary cells. By supplementing a high nickel content lithium storage material with a transition metal oxide lithium storage material or a dopant at relatively low levels, the...

Method for the synthesis of metal cyanometallates
09/18/14 - 20140264160 - Methods are presented for synthesizing metal cyanometallate (MCM). A first method provides a first solution of AXM2Y(CN)Z, to which a second solution including M1 is dropwise added. As a result, a precipitate is formed of ANM1PM2Q(CN)R·FH2O, where N is in the range of 1 to 4. A second method for...

Surface modified lithium titanate and preparation method thereof
09/11/14 - 20140252267 - A surface modified lithium titanate and preparation method thereof is provided. In the surface modified lithium titanate, the deactivating groups distributed on the surface of the lithium titanate are —O—P—RR′R″, —O—P—(OR)R′R″, —O—P—(OR)(OR′)R″, and —O—P—(OR)(OR′)(OR″), where R, R′ and R″ are identical or different C1˜C8 alkyl or alkenyl groups. The deactivating...

Spinel type lithium-manganese-nickel-containing composite oxide
09/11/14 - 20140252268 - Provided is a new 5 V class spinel exhibiting an operating potential of 4.5 V or higher (5 V class) with respect to the Li metal reference potential, having an excellent discharge capacity retention ratio at high temperatures (for example, 45° C.). Suggested is a spinel type lithium-manganese-nickel-containing composite oxide...

Design of multi-electron li-ion phosphate cathodes by mixing transition metals
09/04/14 - 20140246619 - In general, the invention relates to electrode materials, e.g., novel cathode materials with high density, low cost, and high safety. A voltage design strategy based on the mixing of different transition metals in crystal structures known to be able to accommodate lithium in insertion and delithiation is presented herein. By...

Material for lithium secondary battery of high performance
09/04/14 - 20140246620 - Provided is a lithium mixed transition metal oxide having a composition represented by Formula I of LixMyO2 (M, x and y are as defined in the specification) having mixed transition metal oxide layers (“MO layers”) comprising Ni ions and lithium ions, wherein lithium ions intercalate into and deintercalate from the...

Binder for battery, and anode and lithium battery including the same
08/21/14 - 20140231706 - A binder for a battery including polyurethane particles and a binder polymer is disclosed. Additionally, a binder composition, and an anode and a lithium battery which include the binder are also disclosed....

Graphite material, method for producing same, carbon material for battery electrodes, and battery
08/21/14 - 20140231707 - A graphite material suitable as an electrode material for non-aqueous electrolytic secondary batteries; a method for producing the same and a carbon material for battery electrodes; and a secondary battery. The graphite material includes crystallite graphite particles wherein an oxygen amount (a) (mass %) in a region from a particle...

High energy cathode material
08/14/14 - 20140225029 - A composition for use in a battery electrode comprising a compound including lithium, manganese, nickel, and oxygen. The composition is characterized by a powder X-ray diffraction pattern having peaks including 18.6±0.2, 35.0±0.2, 36.4±0.2, 37.7±0.2, 42.1±0.2, and 44.5±0.2 degrees 2θ as measured using Cu Kα radiation....

Method of controlling the crystallinity of a silicon powder
08/14/14 - 20140225030 - A method of controlling the crystallinity of a silicon powder may include heating a reactor to a temperature of no more than 650° C., and flowing a feed gas comprising silane and a carrier gas into the reactor at a molar gas flux of from about 5 mol/min/m2 to about...

Lithium-rich lithium metal complex oxide
08/14/14 - 20140225031 - A lithium-rich lithium metal complex oxide contains at least 50 mol % of Mn with respect to a total amount of metals other than lithium, and at least one other metal. The lithium metal complex oxide has a tapped density in a range of 1.0 g/ml to 2.0 g/ml....

Positive electrode active material for non-aqueous secondary battery and manufacturing method thereof, as well as non-aqueous secondary battery using positive electrode active material
07/31/14 - 20140209832 - A positive electrode active material for a non-aqueous secondary battery having high capacity and high rate characteristics is intended to be provided. Further, a positive electrode for a non-aqueous secondary battery and a non-aqueous secondary battery are intended to be provided by using the positive electrode active material. The positive...

Carbon that carries a metal oxide nanoparticle, an electrode, and an electrochemical device incorporating the same
07/31/14 - 20140209833 - The present invention aims at: providing an accelerated reaction in a liquid-phase reaction; forming, by way of the reaction, a metal oxide nanoparticle and carbon that carries the metal oxide nanoparticle in a highly dispersed state; and providing an electrode containing the carbon and an electrochemical device using the electrode....

Process for the preparation of lithium titanium spinel and its use
07/31/14 - 20140209834 - Non-doped and doped lithium titanate Li4Ti5O12 obtainable by the thermal reaction of a stoichiometric composite oxide containing Li2TiO3 and TiO2, the preparation of the stoichiometric composite oxide, as well as a process for the preparation of lithium titanate Li4Ti5O12 and its use as anode material in rechargeable lithium-ion batteries....

Anode active material for secondary battery and method of manufacturing the same
07/24/14 - 20140203207 - An anode active material for a lithium secondary battery having high-capacity and high-efficient charging/discharging characteristics. The anode active material includes silicon single phases, and silicon-metal alloy phases distributed around the silicon single phases. The silicon single phases have a fine structure in which crystalline particles obtained through rapid-cooling solidification are...

Polycrystalline metal oxide, methods of manufacture thereof, and articles comprising the same
07/17/14 - 20140197357 - A particle, including: a plurality of crystallites including a first composition having a layered α-NaFeO2-type structure and including lithium in an amount of about 0.1 to about 1.3 moles, per mole of the first composition, nickel in an amount of about 0.1 to about 0.79 mole, per mole of the...

Positive electrode active material for sodium battery, and method of producing the same
07/17/14 - 20140197358 - (wherein M is at least one selected from the group consisting of titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper and zinc; A is at least one selected from the group consisting of aluminum, silicon, phosphorus, sulfur, titanium, vanadium and tungsten; x satisfies the condition 4≧x≧2; y satisfies the condition...

Negative electrode active material for nonaqueous electrolyte secondary batteries
07/03/14 - 20140183406 - This negative electrode active material for nonaqueous electrolyte secondary batteries contains a silicon solid solution in which one or more elements selected from among group 3 semimetal elements and metal elements, group 4 semimetal elements and metal elements (excluding silicon) and group 5 non-metallic elements and semimetal elements are solid-solved...

Cathode active material composition and lithium secondary battery including the same
07/03/14 - 20140183407 - Provided are a cathode active material composition including an xLi2MO3.(1−x)LiMeO2 composite (where 0<x<1, and M and Me represent metal ions and may be the same or different from each other) and a conductive polymer material, and a secondary battery including the cathode active material composition in a cathode. Since the...

Positive electrode material having a size dependent composition
06/26/14 - 20140175329 - The invention relates to cathode materials for Li-ion batteries having a size dependent compositions. The lithium metal oxide powder has a general formula LiaNixCoyMnzM′mO2±eAf, with 0.9<a<1.1, 0.2≦x≦0.9, 0<y≦0.4, 0<z≦0.7, 0≦m≦0.35, e<0.02, 0≦f≦0.05 and 0.9<(x+y+z+m+f)<1.1; M′ consisting of either one or more elements from the group Al, Mg, Ti, Cr, V,...

Particulate mixture, active material aggregate, cathode active material, cathode, secondary battery, and methods for producing the same
06/19/14 - 20140166928 - It is a mixture of silicon oxide particulates, transition metal oxide particulates, and lithium transition metal silicate particulates, and its powder X-ray diffraction measurement shows diffraction peaks near 2θ=33.1° and near 2θ=35.7°, and said silicon oxide particulates and said transition metal oxide particulates are amorphous, and said lithium transition metal...

Method for manufacturing carbon material for lithium ion secondary batteries, carbon material for lithium ion secondary batteries, negative electrode active material for lithium ion secondary batteries, composition, carbon composite for negative electrode materials of lithium ion secondary batteries, negative electrode compound for lithium ion secondary batteries, negative electrode for lithium ion secondary batteries, and lithium ion secondary battery
06/19/14 - 20140166929 - There is provided a method for manufacturing the lithium ion secondary batteries includes a mixing step of mixing a phenol resin and a resin composition containing silica particles so as to obtain a mixture, a spraying step of spraying the mixture obtained in the mixing step so as to form...

Lithium ion conductive substance, lithium ion conductive solid electrolyte using the lithium ion conductive substance, protective layer for an electrode of a lithium ion battery, and method for manufacturing the lithium ion conductive substance
06/19/14 - 20140166930 - Furthermore, a method for manufacturing the lithium ion conductive substance is provided that includes the following steps: (a) a step of forming an inorganic substance that contains predetermined quantities of a Li component, an Al component, a Ti component, a Si component, and a P component, into a sheet shape,...

Positive electrode active material precursor for lithium secondary battery, positive electrode active material manufactured by using thereof, and lithium secondary battery including same
06/12/14 - 20140158932 - The present disclosure relates to a positive electrode active material precursor for a lithium secondary battery, a positive electrode active material manufactured by using thereof, and a lithium secondary battery comprising the same. More specifically, it relates to a positive electrode active material precursor for a lithium secondary battery as...

Method for producing a fused product
06/12/14 - 20140158933 - A method for manufacturing a molten material (the crystallized portion of which consists of a single crystalline phase), includes a) mixing raw materials so as to form a feedstock; b) melting the feedstock until a liquid mass reaches a temperature higher than the melting temperature Tf of the molten material...

Production of battery grade materials via an oxalate method
06/05/14 - 20140151598 - An active electrode material for electrochemical devices such as lithium ion batteries includes a lithium transition metal oxide which is free of sodium and sulfur contaminants. The lithium transition metal oxide is prepared by calcining a mixture of a lithium precursor and a transition metal oxalate. Electrochemical devices use such...

Composite materials of nano-dispersed silicon and tin and methods of making the same
05/22/14 - 20140138574 - Composite compounds of tin and lithium, silicon and lithium, or tin, silicon, and lithium having tin and silicon nano-dispersed in a lithium-containing matrix may be used as electrode materials and particularly anode materials for use with rechargeable batteries. Methods of making the composite compounds include the oxidation of alloys, the...

Active material for secondary battery
05/22/14 - 20140138575 - An active material for a secondary battery whose lifetime characteristics are improved is provided. The active material for a secondary battery includes a first active material represented by Lip[M1mM22-m-nM3n]O4, wherein M1 is at least one selected from Ni, Cr, Fe, Co, and Cu; M2 is at least one selected from...

Aqueous redox flow batteries featuring improved cell design characteristics
05/22/14 - 20140138576 - wherein L1 is a catecholate, and L2 and L3 are each independently selected from catecholates, ascorbate, citrate, glycolates, a polyol, gluconate, glycinate, hydroxyalkanoates, acetate, formate, benzoates, malate, maleate, phthalates, sarcosinate, salicylate, oxalate, a urea, polyamine, aminophenolates, acetylacetone or lactate; each M is independently Na, Li, or K; n is 0...

Anode active material with whole particle concentration gradient for lithium secondary battery, method for perparing same, and lithium secondary battery having same
05/15/14 - 20140131616 - The present invention relates to a cathode active material, method for preparing same, and a lithium secondary battery having same, and more specifically, to a composite cathode active material, a method for preparing same, and a lithium secondary battery having same, the composite cathode active material having excellent lifespan characteristics...

Single-phase lithium-deficient lithium multicomponent transition metal oxide having a layered crystal structure and a method for producing the same
05/15/14 - 20140131617 - The present invention relates to a single-phase lithium-deficient lithium multicomponent transition metal oxide having a layered crystal structure represented by the formula Li1-aM11-x-y-zM2xM3yM4zO2, wherein M1 is one or more transition metals having an oxidation number of +3; M2 is one or more transition metals having an oxidation number of +4;...

Lithium cobalt oxide material
05/08/14 - 20140124701 - LiCoO2 material comprises LiCoO2 particles obtainable by a process in which Co(OH)2 particles comprising essentially octahedral shape particles, or Co3O4 particles obtained from Co(OH)2 comprising essentially octahedral shape particles, or Co3O4 particles comprising essentially octahedral shape particles and lithium salt are heated. Also disclosed are Co(OH)2 particles and the Co3O4...

Negative electrode active material for electric device
04/24/14 - 20140110628 - A negative electrode active material for an electric device includes an alloy containing silicon in a range from 33% by mass to 50% by mass, zinc in a range of greater than 0% by mass and less than or equal to 46% by mass exclusive, vanadium in a range from...

Cathode active material, and cathode and lithium battery including the material
04/17/14 - 20140103252 - wherein x+y+z=1, 0<x<0.33, 0<z≦0.1, and 0≦d≦0.1, Me is at least one metal selected from Mn, V, Cr, Fe, Co, Ni, Al, and B, and M′ is at least one metal selected from Sc, Y, and La....

Method of manufacturing silicon oxide
04/17/14 - 20140103253 - Provided is a method of manufacturing silicon oxide by which an amount of oxygen of the silicon oxide may be controlled. The method of manufacturing silicon oxide may include mixing silicon and silicon dioxide to be included in a reaction chamber, depressurizing a pressure of the reaction chamber to obtain...

Method for preparing an electrode active material for improving the properties of a battery, and lithium secondary battery including the electrode active material prepared thereby
04/03/14 - 20140091255 - A method of preparing an electrode active material for manufacturing a lithium secondary battery exhibiting stable charging/discharging efficiency and life-cycle characteristics even during high-speed charging/discharging cycles is provided. Also, a method of controlling both a composition ratio (Ti/Li) of surface elements and a composition of a lithium element in a...

Lithium manganese compounds and methods of making the same
03/20/14 - 20140077127 - Electrode materials such as LixMnO2 where 0.2<x≦2 compounds for use with rechargeable lithium ion batteries can be formed by mixing LiMn2O4 compounds or manganese dioxide compounds with lithium metal or stabilized and non-stabilized lithium metal powders....

Electrode binder for lithium secondary batteries, negative electrode for lithium secondary batteries using same, lithium secondary battery, automobile, method for producing electrode binder for lithium secondary batteries, and method for manufacturing lithium secondary battery
03/20/14 - 20140077128 - Provided are an electrode binder for lithium secondary batteries, which is suppressed in deterioration in adhesive power, strength and stretchability caused by decomposition of imide groups by hydrolysis, said imide groups being contained in a polyamide-imide that is used as a binder for an electrode active material, and which is...