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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.



Cathode active material for lithium secondary battery and lithium secondary battery including the same
04/02/15 - 20150090924 - A and A′ are each independently at least one monovalent or divalent anion....

Cathode active material for high voltage lithium secondary battery and lithium secondary battery including the same
04/02/15 - 20150090925 - A is at least one monovalent or divalent anion....

Precursor for preparing lithium composite transition metal oxide, method for preparing the precursor, and lithium composite transition metal oxide
04/02/15 - 20150090926 - where M is at least one selected from the group consisting of Ti, Co, Al, Cu, Fe, Mg, B, Cr and period II transition metals, A is a monoanion or dianion, 0.15≦a≦0.3, 0.005≦b≦0.1, −0.1≦z≦0.1 and 0≦y≦0.1....

Cathode active material and lithium secondary battery including the same
04/02/15 - 20150090927 - Disclosed are a cathode active material including a lithium transition metal oxide based on at least one transition metal selected from the group consisting of Ni, Mn and Co, wherein at least one hetero element selected from the group consisting of Ti, Co, Al, Cu, Fe, Mg, B, Cr, Bi,...

Cathode materials for lithium battery having higher performance
04/02/15 - 20150090928 - wherein 0.95<z<1.1; M=Ni1-x-yMnxCoy, 0<y<0.5, and a ratio of Mn to Ni (x/(1-x-y)) is in the range of 0.4 to 1.1, comprising mixing (i) a Co-containing precursor, (ii) an Mn—Ni-containing precursor, and (iii) optionally, an Li-containing precursor, and heat-treating the mixture at a temperature of more than 400° C. under an...

Lithium-ion secondary battery
04/02/15 - 20150090929 - A lithium-ion secondary battery 100 includes a positive electrode current collector 221 and a porous positive electrode active material layer 223 retained by the positive electrode current collector 221. The positive electrode active material layer 223 contains, for example, positive electrode active material particles 610, an electrically conductive material 620,...

Negative-electrode active material for nonaqueous-electrolyte secondary battery production process for the same, negative electrode for nonaqueous-electrolyte secondary battery, and nonaqueous-electrolyte secondary battery
03/19/15 - 20150076399 - The negative-electrode active material includes an Si-metal-carbon composite composed of: a metal/carbon composite matrix including at least one metal selected from the group consisting of Cu, Fe, Ni, Ti, Nb, Zn, In and Sn, at least one member selected from the group consisting of N, O, P and S, and...

Precursor for preparing of lithium composite transition metal oxide
03/12/15 - 20150069293 - wherein M is at least one selected form the group consisting of Ti, Co, Al, Cu, Fe, Mg, B, Cr, Zr, Zn and Period II transition metals; and 0.2≦a≦0.25, 0≦b≦0.1, and 0<x<0.5....

Positive electrode active substance particles and process for producing the same, and non-aqueous electrolyte secondary battery
03/05/15 - 20150060725 - The present invention relates to positive electrode active substance particles comprising a compound having at least a crystal system belonging to a space group of R-3m and a crystal system belonging to a space group of C2/m, the positive electrode active substance particles having a specific intensity ratio; a content...

Cathode active material and lithium secondary battery containing them
03/05/15 - 20150060726 - Provided is a non-aqueous electrolyte-based, high-power lithium secondary battery having a long service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging. The battery comprises a mixture of a lithium/manganese spinel oxide having a substitution of a manganese (Mn) site with...

High-power and high-energy-density lithium compound solid-state cathode
02/26/15 - 20150053889 - A solid-state (non-organic) high-power and high-energy-density cathode that is mechanically, thermally, and ionically robust....

Method of preparing cathode active material precursor for lithium rechargeable battery, cathode active material precursor for lithium rechargeable battery prepared thereby, and cathode active material formed using the cathode active material precursor
02/26/15 - 20150053890 - According to the present invention, the method of preparing a cathode active material precursor for a lithium secondary battery controls the concentration of a concentration gradient part and a shell part in a precursor to obtain a desired concentration of a transition metal in the shell part. As a result,...

Production process for electrode material, electrode and electric storage device
02/19/15 - 20150048273 - The present invention relates to a production process for an electrode material, an electrode and an electric storage device, and the production process for an electrode material comprises a step of heating a polymer having a silicon-containing unit and a silicon-non-containing unit....

Negative active material for secondary battery and method of manufacturing the same
02/12/15 - 20150041707 - A negative active material for a secondary battery that provides high capacity, high efficiency charging and discharging characteristics includes: a silicon single phase; and a silicon-metal alloy phase by which the silicon single phase is bounded, wherein the negative active material comprises 5 to 30 wt % of nickel, 5...

Gyroidal mesoporous carbon materials and methods thereof
02/12/15 - 20150041708 - The present invention relates to, inter alia, gyroidal mesoporous carbon materials and methods of use and manufacture thereof. In one embodiment, the present invention relates to a mesoporous carbon composition comprising a gyroidal mesoporous carbon having an ordered gyroidal structure and mesopores having a pore size of greater than 2...

Active material for battery, nonaqueous electrolyte battery, and battery pack
02/12/15 - 20150041709 - 2<MNb/MTi<5   (II)...

3v class spinel complex oxides as cathode active materials for lithium secondary batteries, method for preparing the same by carbonate coprecipitation, and lithium secondary batteries using the same
02/12/15 - 20150041710 - Disclosed herein is a 3V class spinel oxide with improved high-rate characteristics which has the composition Li1+x[MyMn(2−y)]O4−zSz (0≦x≦0.1, 0.01≦y≦0.5, 0.01≦z≦0.5, and M is Mn, Ni or Mg). Further disclosed is a method for preparing the 3V class spinel oxide by carbonate coprecipitation of starting materials, addition of sulfur, followed by...

Anode active material for lithium-ion batteries
02/05/15 - 20150034861 - In at least one embodiment, a rechargeable battery is provided comprising an anode having an active material including MSb2O4 having a purity level of greater than 93 percent by weight, wherein M is a metal. The metal may have an oxidation state of 2+ and may include transition metals and/or...

Process for producing a positive electrode mix and a lithium ion secondary battery
02/05/15 - 20150034862 - To obtain a process for producing a positive electrode mix capable of producing, in a short time, a positive electrode mix in a stable slurry state containing a high nickel lithium composite oxide with less variation of viscosity change with time. A lithium composite oxide at high nickel content is...

Positive electrode active material
02/05/15 - 20150034863 - A positive-electrode active material is formed of a solid solution type complex oxide represented by a compositional formula of [Li1.5][Li{0.5{1−x}−ny}(n−1)yM′nyMn1−xM1.5x]O3, wherein 0.1±x±0.5 is satisfied, M is represented by NiαCoβMnγ, where 0<α≦0.5, 0≦β≦0.33, and 0<γ≦0.5, M′ is at least one element selected from the group consisting of Mg, Zn, Al, Fe,...

Positive electrode active material, positive electrode for electrical device, and electrical device
02/05/15 - 20150034864 - [Summary] A positive electrode active material is provided to contain: a solid solution lithium-containing transition metal oxide (A) represented by Li1.5[NiaCobMnc[Li]d]O3 (where a, b, c and d satisfy the relations of 0.2≦a≦0.7, 0.1≦d≦0.4, a+b+c+d=1.5, 1.1≦a+b+c≦1.35, and 0<b/a<1); and a lithium-containing transition metal oxide (B) represented by Li1.0Nia′Cob′Mnc′O2 (where a′, b′...

Precursor for preparation of lithium composite transition metal oxide and method of preparing the same
02/05/15 - 20150034865 - The transition metal precursor includes a particular composite transition metal compound and a hydrocarbon compound, and thus, when a lithium composite transition metal oxide is prepared using the same, carbon may be present in lithium transition metal oxide particles and/or on surfaces thereof, whereby a secondary battery including the lithium...

Negative active material, negative electrode and lithium battery including the negative active material, and method of preparing the negative active material
01/22/15 - 20150021516 - A negative active material, a lithium battery including the negative active material, and a method of preparing the negative active material. The negative active material includes a silicon-based alloy including Si, Al, and Fe. The silicon-based alloy includes an active phase of silicon nanoparticles and an inactive phase of Si3Al3Fe2...

Cathode material with oxygen vacancy and manufacturing process thereof
01/22/15 - 20150021517 - A cathode material with oxygen vacancy is provided. The cathode material includes a lithium metal phosphate compound having a general formula LiMPO4-z, wherein M represents at least one of a first-row transition metal, and 0.001≦z≦0.05....

Positive-electrode material for nonaqueous-electrolyte secondary battery, method for manufacturing the same, and nonaqueous-electrolyte secondary battery using said positive-electrode material
01/22/15 - 20150021518 - Provided is a positive-electrode material for nonaqueous-electrolyte secondary batteries, the positive-electrode material being capable of achieving both high capacity and high output when used for a positive electrode for nonaqueous-electrolyte secondary batteries. Also, provided is a method for manufacturing the positive-electrode material for nonaqueous-electrolyte secondary batteries, wherein a lithium metal...

Positive electrode active material and secondary battery
01/15/15 - 20150014581 - A positive electrode active material that achieves high capacity and high energy density of a secondary battery is provided. The positive electrode active material is represented by Li2Mn1-XAXO3 and contains a metal element, Si, or P as A. The positive electrode active material has higher discharge capacity than Li2MnO3....

Anode material for ultrafast-charging lithium ion batteries and a method of its synthesis
01/15/15 - 20150014582 - An anode material for ultrafast-charging lithium ion batteries, the anode material comprising C—Li4Ti5O12. A method of synthesizing an anode material for ultrafast-charging lithium ion batteries, the method comprising the steps of: adding lithium to an organic alcohol to form a first solution; adding titanium via an organic titanium source to...

Solid solution lithium-containing transition metal oxide and lithium ion secondary battery
01/08/15 - 20150008363 - A solid solution lithium-containing transition metal oxide includes a compound represented by chemical formula (1): Li1.5[NiaCobMnc[Li]d]O3, where a, b, c and d satisfy relationships: 0<a≦0.75, 0≦b≦0.5, 0<c≦1.0, 0.05≦d≦0.25, and a+b+c+d=1.5. A dQ/dV curve obtained in such a manner as to differentiate an open circuit voltage curve on a discharge side...

Active material for nonaqueous electrolyte secondary battery, method for manufacturing active material, electrode for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery
01/08/15 - 20150008364 - An active material for a nonaqueous electrolyte secondary battery includes a lithium transition metal composite oxide which has an α-NaFeO2-type crystal structure, is represented by the compositional formula Li1+αMe1−αO2 (Me is a transition metal element containing Mn, Ni and Co; and 0<α<1) and satisfies the requirement of 1.250≦(1+α)/(1−α)≦1.425. The half-width...

Method for synthesizing air electrode powder for mid- and low- temperature solid oxide fuel cell according to sol-gel process
01/01/15 - 20150001442 - Provided is a method for synthesizing air electrode powder, which uses instead of an organic solvent lanthanum-nitrate, strontium-nitrate, cobalt-nitrate, and iron-nitrate, which are affordable and can undergo water-based synthesis, by controlling additional mol ratio and a synthesis temperature of a chelate agent and an esterification reaction accelerating agent instead of...

Disordered metal hydride alloys for use in a rechargeable battery
12/25/14 - 20140374651 - A structurally and compositionally disordered electrochemically active alloy material is provided with excellent capacity and cycle life, as well as superior high-rate dischargeability. The alloy employs a disordered A2B4+x(AB5) structure, wherein x is a number between 1 and 4. This crystal structure combined with a tailored amount of electrochemically active...

Synergistic multiphase hydride alloy
12/25/14 - 20140374652 - A hydrogen storage alloy material includes a primary phase having an ABx type structure and a secondary phase having a B2 structure that enhances the electrochemical properties of the alloy. The A component of the primary phase includes La and Ce, and the B component of the primary phase includes...

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...