Abstract: The present disclosure provides a method for preparing a transition metal lithium oxide, comprising steps of: A) mixing a lithium salt and a transition metal compound, and performing a pretreatment to obtain a precursor; wherein the pretreatment temperature is 100-300° C.; and the pretreatment time is 1-10 h; B) precalcining the precursor to obtain an intermediate; and C) continuously feeding the intermediate into a feed port of a moving bed reactor, and calcining, to obtain a transition metal lithium oxide. In the present disclosure, a pretreatment process is performed before the precalcination, and the pretreatment temperature and time are further limited, thereby solving the problem of material hardening during the calcination process of battery materials.

Abstract: A method for producing a M-carbonate precursor of a Li-M oxide cathode material in a continuous reactor, wherein M=NixMnyCozAn, A being a dopant, with x>0, y>0, 0?z?0.35, 0?n?0.02 and x+y+z+n=1, the method comprising the steps of: —providing a feed solution comprising Ni-, Mn-, Co- and A-ions, and having a molar metal content M? feed, —providing an ionic solution comprising either one or both of a carbonate and a bicarbonate solution, the ionic solution further comprising either one or both of Na- and K-ions, —providing a slurry comprising seeds comprising M?-ions and having a molar metal content M? seeds, wherein M?=Nix?Mny?Coz?A?n?, A? being a dopant, with 0?x??1, 0?y??1, 0?z??1, 0?n??1 and x?+y?+z?+n?=1, and wherein the molar ratio M? seeds/M? feed is between 0.001 and 0.

Abstract: A novel composite electrode material and a method for manufacturing the same, a composite electrode containing said composite electrode material, and a Li-based battery comprising said composite electrode are disclosed. Herein, the composite electrode material of the present invention comprises: a core, wherein a material of the core is at least one selected from the group consisting of Sn, Sb, Si, Ge, and compounds thereof; and a graphene nanowall or a graphene-like carbon nanowall; wherein the graphene nanowall or the graphene-like carbon nanowall grows on a surface of the core.

Abstract: A process for the recycling of an electrochemically active material is described. The process comprises the steps of reacting the electrochemically active material with an oxidizing agent or a reducing agent in a solvent without addition of a strong acid, to produce a lithium salt and a delithiated electrochemically active material precipitate. This precipitate is separated from the lithium salt and used in the regeneration of the electrochemically active material.

Abstract: An active material having a high capacity for negative electrodes of nonaqueous secondary batteries is provided by pyrolysis of a composite resin (A) which has a silanol group and/or a hydrolysable silyl group and which contains a polysiloxane segment (a1) and a polymer segment (a2) other than the polysiloxane segment (a1), and furthermore, a negative electrode using the above active material and a nonaqueous secondary battery including the above negative electrode are also provided. In addition, by pyrolysis of a dispersion liquid obtained from the composite resin (A), silicon particles, and an organic solvent, an active material having a high capacity for negative electrodes of nonaqueous secondary batteries is provided, and furthermore, a negative electrode using the above active material and a nonaqueous secondary battery including the above negative electrode are also provided.

Abstract: The friction material composition, friction material and friction member are provided, in which copper, having serious environmental effects, is not contained or is not contained at more than 0.5 mass % of copper, rust adhering force is low, rust delamination is difficult to occur, the friction material composition includes a binder, an organic filler, an inorganic filler, and a fibrous substrate, wherein the friction material composition contains no copper as an element or contains not more than 0.5 mass % of copper, and contains fibrillated aramid fiber as the fibrous substrate, 0.2 to 2 mass % of sodium carbonate and 2.5 to 10 mass % of calcium hydroxide.

Abstract: A composite oxide which includes lithium, at least one of calcium and magnesium, and nickel and manganese, and has a lithium-excess layered rock-salt structure, and a cathode active material and a lithium secondary battery which contain the composite oxide.

Abstract: A positive active material including: a core including an overlithiated lithium transition metal oxide, and a coating layer which is disposed on at least a portion of a surface of the core, the coating layer including a polymer having an oxidation potential of about 4.4 volts to about 4.7 volts versus lithium metal. Also a manufacturing method thereof, and a positive electrode and a lithium battery including the positive active material.

Abstract: A cathode active material includes a first cathode material configured of a layered rocksalt type lithium metal oxide, the layered rocksalt type lithium metal oxide including lithium and a metal other than lithium, the metal configured of nickel (Ni), or nickel (Ni) and the like. A site occupancy of metal ions other than lithium at a 3a site obtained by Rietveld analysis of a powder X-ray diffraction pattern of the first cathode material in a cathode in a discharged state is about 5% or less, and a site occupancy of metal ions other than the metal occupying a part of a 3b site at the 3b site is about 1% or over, and the cathode active material is covered with a coating film, and an exposed amount of the cathode active material exposed from the coating film is within a range from about 0.05% to about 8% both inclusive.

Abstract: [Object] An object of the present invention is to provide a method for manufacturing an oxide single crystal substrate having less dispersion in characteristics within the substrate surface. [Means to solve the Problems] In the manufacture method of the present invention, a powder containing a Li compound is dispersed in a medium to form a slurry, and heat is applied while the slurry is in contact with the surface of the oxide single crystal substrate, so as to diffuse Li into the substrate from the surface thereof to effect a modification of the substrate; or after the slurry is brought into contact with the surface of the oxide single crystal substrate, the oxide single crystal substrate is buried in a powder containing the Li compound, and heat is applied to effect the diffusion of Li in the substrate from the surface thereof whereby a modification of the substrate occurs.

Abstract: A method for producing a potassium titanate easily produces a potassium titanate having a high single phase ratio and a significantly reduced fibrous potassium titanate content in high yield. The method for producing a potassium titanate includes: a mixing step that mixes a titanium raw material with a potassium raw material, the titanium raw material including 0 to 60 mass % of titanium oxide having a specific surface area of 1 to 2 m2/g, 40 to 100 mass % of titanium oxide having a specific surface area of 7 to 200 m2/g, and 0 to 4.5 mass % in total of one or more materials selected from titanium metal and titanium hydride, and the potassium raw material including a potassium compound; a calcination step that calcines a raw material mixture obtained by the mixing step at a calcination temperature of 950 to 990° C.; and a grinding step that grinds a calcined powder obtained by the calcination step using one or more means selected from a vibrating mill and an impact pulverizer.

Abstract: An object of the invention is to provide a nonaqueous electrolyte secondary battery having good cycle characteristics. The nonaqueous electrolyte secondary battery of the present invention includes a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, a separator interposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte. The positive electrode active material is a layered lithium transition metal oxide, and the positive electrode active material has a crystallite size of 140 nm or less. The negative electrode active material contains at least carbon, and the nonaqueous electrolyte contains 2 to 30% by volume of fluoroethylene carbonate.

Abstract: An active material expressed by a general formula; LiaNibCocMndDeOf (where 0.2?“a”?1, “b”+“c”+“d”+“e”=1, 0?“e”<1, “D” is at least one element selected from the group consisting of Li, Fe, Cr, Cu, Zn, Ca, Mg, Zr, S, Si, Na, K and Al, and 1.7?“f”?2.1) includes a high manganese portion, which is made of a metallic oxide including Ni, Co and Mn at least and of which the composition ratio between Ni, Co and Mn is expressed by Ni:Co:Mn=b2:c2:d2 (note that “b2”+“c2”+“d2”=1, 0<“b2”<1, 0<“c2”<“c”, and “d”<“d2”<1), in a superficial layer thereof.

Abstract: Disclosed are a cathode active material represented by Formula 1 below and including a metal cation having a greater ionic radius than a Ni cation and represented by M of Formula 1 at a Li cation site or in an empty space within a crystal lattice so as to prevent mixing of Ni cations into a Li layer, a lithium secondary battery including the same, and a method of preparing the cathode active material which has improved productivity. LiaNixMnyCozMwO2?tAt??(1) wherein a, x, y, w, M, A, z, and t are the same as defined in the specification.

Abstract: The present disclosure provides a positive electrode active material for nonaqueous electrolyte secondary batteries including: a lithium transition metal composite oxide represented by general formula: Lia(Ni1-xCrx)?(Mn1-yTiy)2-?-?-?-?Mg?Al?M?O4 in which 1.00?a?1.30, 0.020?x?0.200, 0.006?y?0.070, 0.450???0.550, 0???0.015, 0???0.035, and 0???0.010, and M represents at least one element selected from the group consisting of Na, K, Ca, Sr, Ba, Ga, Co, Zn, Si, Ge, Zr, Hf, Sn, Ta, Nb, P, Bi, Mo, and W.

Abstract: A particulate precursor compound for manufacturing a lithium transition metal (M)-oxide powder usable as an active positive electrode material in lithium-ion batteries, wherein (M) is NixMnyCozAv, A being a dopant, wherein 0.33?x?0.60, 0.20?y?0.33, and 0.20?z?0.33, v?0.05, and x+y+z+v=1, the precursor having a specific surface area PBET in m2/g, a tapped density PTD in g/cm3, a median particle size PD50 in ?m, and wherein (I). PBET PTD * PD ? ? 50 ? 0.021 ( 0.1566 * x ) - 0.

Abstract: Microwave radiation may be applied to electrochemical devices for rapid thermal processing (RTP) (including annealing, crystallizing, densifying, forming, etc.) of individual layers of the electrochemical devices, as well as device stacks, including bulk and thin film batteries and thin film electrochromic devices. A method of manufacturing an electrochemical device may comprise: depositing a layer of the electrochemical device over a substrate; and microwave annealing the layer, wherein the microwave annealing includes selecting annealing conditions with preferential microwave energy absorption in the layer. An apparatus for forming an electrochemical device may comprise: a first system to deposit an electrochemical device layer over a substrate; and a second system to microwave anneal the layer, wherein the second system is configured to provide preferential microwave energy absorption in the device layer.

Abstract: A sodium manganese composite oxide represented by Formula 1: NaxMayMnzMbvO2+d??Formula 1 wherein, 0.2?x?1, 0<y?0.2, 0<z?1, 0?v<1, 0<z+v?1, ?0.3?d<1, Ma is an electrochemically inactive metal, and Mb is different from Ma and Mn, and is at least one transition metal selected from elements in Groups 4 to 12 of the periodic table of the elements.

Abstract: The present invention provides a lithium secondary battery using a lithium transition metal composite oxide as a positive electrode active material. The lithium secondary battery is constituted with a negative electrode on and/or around which a cyclic silazane-based compound and/or a reaction product thereof are present. The cyclic silazane-based compound comprises a Si—N bond in the ring constituting the cyclic silazane-based compound and also has at least one vinyl group.

Abstract: A method of reducing magnetic and/or oxidic contaminants in lithium metal oxygen compounds in particle form, in order to obtain purified lithium metal oxygen compounds, by means of treatment in a grinding process and sifting process with continuous or non-continuous removal and obtaining of the purified lithium metal oxygen compound. The grinding process and sifting process are terminated prematurely before the residue amounts to less than 1% of the quantity m. The residue, containing contaminants, is discarded.

Abstract: The present invention provides methods for preparing trimanganese tetroxide with low BET specific surface area and methods for controlling particle size of trimanganese tetroxide and trimanganese tetroxide product.

Abstract: Microwave radiation may be applied to electrochemical devices for rapid thermal processing (RTP) (including annealing, crystallizing, densifying, forming, etc.) of individual layers of the electrochemical devices, as well as device stacks, including bulk and thin film batteries and thin film electrochromic devices. A method of manufacturing an electrochemical device may comprise: depositing a layer of the electrochemical device over a substrate; and microwave annealing the layer, wherein the microwave annealing includes selecting annealing conditions with preferential microwave energy absorption in the layer. An apparatus for forming an electrochemical device may comprise: a first system to deposit an electrochemical device layer over a substrate; and a second system to microwave anneal the layer, wherein the second system is configured to provide preferential microwave energy absorption in the device layer.

Abstract: A method for allowing production of high-purity perrhenic acid from crude rhenium sulfide by applying a dry process is provided. A method for producing an aqueous solution of perrhenic acid includes 1) a step for roasting rhenium sulfide under an oxygen-containing gas to collect gasified rhenium oxide; 2) a step for cooling and solidifying the gasified rhenium oxide while keeping sulfur oxide entrained in the gasified rhenium oxide a gaseous state, and subsequently performing solid-gas separation, thereby improving purity of rhenium oxide; and 3) a step for dissolving the solidified rhenium oxide into water, or heating and gasifying the solidified rhenium oxide and then dissolving the gasified rhenium oxide into water, to obtain the aqueous solution of perrhenic acid.

Abstract: A method allowing production of high-purity perrhenic acid from rhenium sulfide by applying pyrometallurgical process is provided.

Abstract: An electrode material obtained using a polyol process and a synthesis method is provided. The synthesis method includes steps of preparing a mixed solution by mixing a transition metal compound, a polyacid anionic compound and a lithium compound with a polyol solvent; and obtaining a resultant product by reacting the mixed solution in a heating apparatus. There is an advantage in that the electrode material, which has crystallinity due to a structure such as an olivine structure or a nasicon structure, can be synthesized using a polyol process at a low temperature without performing a heat treatment proces. The nanoelectrode material synthesized by the method has a high crystallinity, uniform particles, and a structure having a diameter ranging from several nanometers to several micrometers. Further, the electrode material has a high electrochemical stability.

Abstract: An all-solid-state lithium ion secondary battery containing a novel garnet-type oxide serving as a solid electrolyte. The garnet-type lithium ion-conducting oxide is one represented by the formula Li5+XLa3(ZrX, A2-X)O12, wherein A is at least one selected from the group consisting of Sc, Ti, V, Y, Nb, Hf, Ta, Al, Si, Ga, Ge, and Sn and X satisfies the inequality 1.4?X<2, or is one obtained by substituting an element having an ionic radius different from that of Zr for Zr sites in an garnet-type lithium ion-conducting oxide represented by the formula Li7La3Zr2O12, wherein the normalized intensity of an X-ray diffraction (XRD) pattern with a diffraction peak, as normalized on the basis of the intensity of a diffraction peak, is 9.2 or more.

Abstract: The present invention relates to a cathode active material with whole particle concentration gradient for a lithium secondary battery, a method for preparing same, and a lithium secondary battery having same, and more specifically, to a composite cathode active material, a method for manufacturing same, and a lithium secondary battery having same, the composite cathode active material having excellent lifetime characteristics and charge/discharge characteristics through the stabilization of crystal structure as the concentration of a metal comprising the cathode active material shows concentration gradient in the whole particle, and having thermostability even in high temperatures.

Abstract: Disclosed are a method of producing fine particulate alkali metal niobate in a liquid phase system, wherein the size and shape of particles of the fine particulate alkali metal niobate can be controlled; and fine particulate alkali metal niobate having a controlled shape and size. Specifically disclosed are a method of producing particulate sodium-potassium niobate represented by the formula (1): NaxK(1-x)NbO3 (1), the method including four specific steps, wherein a high-concentration alkaline solution containing Na+ ion and K+ ion is used as an alkaline solution; and particulate sodium-potassium niobate having a controlled shape and size.

Abstract: A cathode electrode material for use in rechargeable Li-ion batteries, based on the integration of two Li-based materials of NASICON- and Spinel-type structures, is described in the present invention. The structure and composition of the cathode can be described by a core material and a surface coating surrounding the core material, wherein the core of the cathode particle is of the formula LiMn2-xNixO4?? (0.5?x?0 & 0???1) and having a spinel crystal structure, the surface coating is of the formula Li1+xMxTi2-x(PO4)3 (M: is a trivalent cation, 0.5?x?0) having a NASICON-type crystal structure.

Abstract: 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 gas-solid separators, and one or more reactors. Various gas-solid mixtures are formed within the internal plenums of the drying chamber, the gas-solid feeders, and the reactors. In addition, heated air or gas is served as the energy source within the processing system and as the gas source for forming the gas-solid mixtures to facilitate reaction rate and uniformity of the reactions therein. Precursor compounds are continuously delivered into the processing system and processed in-line through the internal plenums of the drying chamber and the reaction modules into final reaction particles useful as a battery material.

Abstract: Sodium hexatitanate having a mean particle diameter in the range of 2-5 ?m and an indeterminate shape, and is either obtained by firing a milled mixture obtained as a result of mechanochemical milling of a titanium source and a sodium source or prepared from sodium trititanate obtained by firing a milled mixture obtained as a result of mechanochemical milling of a titanium source and a sodium source.

Abstract: A method for preparing a positive active material for a rechargeable lithium battery includes: a) providing a furnace and a crucible that is included in the furnace; b) putting a mixture of a composite metal precursor and a lithium compound into the crucible; and c) preparing a positive active material for a rechargeable lithium battery by firing the mixture in the crucible, wherein during the process b), the mixture in the crucible is positioned so that a minimum distance from a predetermined position inside the mixture to an exterior of the mixture in the crucible is about 5 cm or less. A rechargeable lithium made by this method is disclosed.

Abstract: According to the present invention, there is provided a process for producing lithium manganate particles having a high output and an excellent high-temperature stability. The present invention relates to a process for producing lithium manganate particles comprising the steps of mixing a lithium compound, a manganese compound and a boron compound with each other; and calcining the resulting mixture in a temperature range of 800 to 1050° C., wherein an average particle diameter (D50) of the boron compound is not more than 15 times an average particle diameter (D50) of the manganese compound, and wherein the lithium manganate particles have a composition represented by the following chemical formula: Li1+xMn2-x-yY1yO4+B in which Y1 is at least one element selected from the group consisting of Ni, Co, Mg, Fe, Al, Cr and Ti, and x and y satisfy the conditions of 0.03?x?0.15 and 0?y?0.20, respectively.

Abstract: The present invention aims at providing lithium manganate having a high output and an excellent high-temperature stability. The above aim can be achieved by lithium manganate particles having a primary particle diameter of not less than 1 ?m and an average particle diameter (D50) of kinetic particles of not less than 1 ?m and not more than 10 ?m, which are substantially in the form of single crystal particles and have a composition represented by the following chemical formula: Li1+xMn2-x-yYyO4 in which Y is at least one element selected from the group consisting of Al, Mg and Co; x and y satisfy 0.03?x?0.15 and 0.05?y?0.20, respectively, wherein the Y element is uniformly dispersed within the respective particles, and an intensity ratio of I(400)/I(111) thereof is not less than 33% and an intensity ratio of I(440)/I(111) thereof is not less than 16%.

Abstract: 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 represented by Formula I of LixMyO2 wherein M, x and y are as defined in the specification. Therefore, since the high-Ni lithium mixed transition metal oxide having a given composition can be prepared by a simple solid-state reaction in air, using a raw material that is cheap and easy to handle, the present invention enables industrial-scale production of the lithium mixed transition metal oxide with significantly decreased production costs and high production efficiency.

Abstract: Provided is a cathode active material containing a Ni-based lithium mixed transition metal oxide. More specifically, the cathode active material comprises the lithium mixed transition metal oxide having a composition represented by Formula I of LixMyO2 wherein M, x and y are as defined in the specification, which is prepared by a solid-state reaction of Li2CO3 with a mixed transition metal precursor under an oxygen-deficient atmosphere, and has a Li2CO3 content of less than 0.07% by weight of the cathode active material as determined by pH titration. The cathode active material in accordance with the present invention and substantially free of water-soluble bases such as lithium carbonates and lithium sulfates and therefore has excellent high-temperature and storage stabilities and a stable crystal structure.

Abstract: 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 MO layers and a portion of MO layer-derived Ni ions are inserted into intercalation/deintercalation layers of lithium ions (“reversible lithium layers”) thereby resulting in the interconnection between the MO layers. The lithium mixed transition metal oxide of the present invention has a stable layered structure and therefore exhibits improved stability of the crystal structure upon charge/discharge. In addition, a battery comprising such a cathode active material can exhibit a high capacity and a high cycle stability.

Abstract: Disclosed are a method of producing fine particulate alkali metal niobate in a liquid phase system, wherein the size and shape of the particulate alkali metal niobate can be controlled; and fine particulate alkali metal niobate having a controlled shape and size. One of specifically disclosed is a method of producing a substantially rectangular cuboid particulate alkali metal niobate represented by MNbO3 (1), wherein M represents one element selected from alkaline metals, including specific four steps. Another one of specifically disclosed is particulate alkali metal niobate represented by the formula (1) having a substantially rectangular cuboid shape, wherein the substantially rectangular cuboid shape has a longest side and a shortest side, the length of the longest side represented by an index Lmax is 0.10 to 25 ?m, and the length of the shortest side represented by an index Lmin is 0.050 to 15 ?m.

Abstract: A method of producing a layered structure lithium mixed metal oxide, including a step of calcining a lithium mixed metal oxide raw material containing a transition metal element and a lithium element in a molar ratio of the lithium element to the transition metal element of 1 or more and 2 or less, in the presence of an inactive flux containing one or more compounds selected from the group consisting of a carbonate of M, a sulfate of M, a nitrate of M, a phosphate of M, a hydroxide of M, a molybdate of M, and a tungstate of M, wherein M represents one or more elements selected from the group consisting of Na, K, Rb, Cs, Ca, Mg, Sr and Ba.

Abstract: A method for making a catalyst composition suitable for various purposes, such as the reduction of nitrogen oxides, is provided. The method includes combining dawsonite or a dawsonite derivative with a catalytic active element.

Abstract: A negative electrode active substance for lithium battery is an oxide containing Re at least.

Abstract: The first aspect of the present invention provides a method of manufacturing an active material capable of improving the discharge capacity of a lithium-ion secondary battery. The method of manufacturing an active material in accordance with the first aspect of the present invention comprises the steps of heating a phosphate source, a vanadium source, and water so as to form an intermediate containing phosphorus and vanadium and having a specific surface area of at least 0.1 m2/g but less than 25 m2/g; and heating the intermediate, a water-soluble lithium salt, and water. The second aspect of the present invention provides a method of manufacturing an active material capable of improving the rate characteristic of a lithium-ion secondary battery.

Abstract: There is provided a battery including a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive electrode active material layer, on at least one surface of a positive electrode current collector, including a binder and a positive electrode active material of a deoxidized lithium transition metal composite oxide. The positive electrode active material layer shows first and second peaks of oxygen amounts generated from a type of the positive electrode active material in the positive electrode active material layer when the positive electrode active material layer is heated in a charge state of higher than or equal to 4.2 V and lower than or equal to 4.5 V in a lithium antipode potential, the second peak appearing in a temperature region higher than a temperature region of the first peak. At least the second peak appears in a temperature region higher than 220° C.

Abstract: With the object of providing a positive electrode active material for lithium battery that can increase the filling density, can increase the output characteristics, and furthermore, with a small voltage decrease during conservation at high temperature in a charged state, a positive electrode active material for lithium battery is proposed, containing a spinel type (Fd3-m) lithium transition metal oxide represented by general formula Li1+xM2?xO4?? (where M represents a transition metal including Mn, Al and Mg, x represents 0.01 to 0.08 and 0??) and a boron compound, the inter-the atomic distance Li—O of the spinel type lithium transition metal oxide being 1.971 ? to 2.006 ?, and the amount of magnetic substance measured for the positive electrode active material for lithium battery being 600 ppb or less.

Abstract: It is an object of the present invention to provide a positive electrode material having a large ratio of the discharge capacity around 4 V to the total discharge capacity including the discharge capacity at 4V or lower while making the discharge capacity around 4 V sufficient, for the purpose of providing a lithium secondary battery using a lithium transition metal phosphate compound excellent in thermal stability, utilizing the discharge potential around 4V (vs. Li/Li+) that is higher than the discharge potential of LiFePO4, and being advantageous with respect to the detection of the end of discharge state, and a lithium secondary battery using the same. The present invention uses a positive active material for a lithium secondary battery containing a lithium transition metal phosphate compound represented by LiMn1-x-yFexCoyPO4(0.1?x?0.2, 0<y?0.2).

Abstract: The invention is directed to a solid ion conductor which has a garnet-like crystal structure and has the stoichiometric composition L7+xAxG3?xZr2O12, wherein L is in each case independently a monovalent cation, A is in each case independently a divalent cation, G is in each case independently a trivalent cation, 0?x?3 and O can be partly or completely replaced by divalent or trivalent anion.

Abstract: Nanomaterials of the JT phase of the titanium oxide TiO2-x, where 0?x?1 having as a building block a crystalline structure with an orthorhombic symmetry and described by at least one of the space groups 59 Pmmn, 63 Amma, 71 Immm or 63 Bmmb. The nanomaterials are in the form of nanofibers, nanowires, nanorods, nanoscrolls and/or nanotubes and are obtained from a hydrogen titanate and/or a mixed sodium and hydrogen titanate precursor compound that is isostructural to the JT crystalline structure. The titanates are the hydrogenated, the protonated, the hydrated and/or the alkalinized phases of the JT crystalline phase that are obtained from titanium compounds such as titanium oxide with an anatase crystalline structure, amorphous titanium oxide, and titanium oxide with a rutile crystalline structure, and/or directly from the rutile mineral and/or from ilmenite.

Abstract: The present invention relates to a positive electrode active material comprising a lithium-containing composite oxide containing nickel with an oxidation state of 2.0 to 2.5 and manganese with an oxidation state of 3.5 to 4.0, the oxidation state determined by the shifts of energy at which absorption maximum is observed in the X-ray absorption near-K-edge structures, and to a non-aqueous electrolyte secondary battery using the same, the positive electrode active material being characterized in having a high capacity, a long storage life and excellent cycle life.

Abstract: 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, and a binder 630. In this lithium-ion secondary battery 100, the positive electrode active material particles 610 have a shell portion 612 constituted by a lithium transition metal oxide, a hollow portion 614 formed inside the shell portion 612, and a through hole 616 penetrating the shell portion 612. In the lithium-ion secondary battery 100, in the positive electrode active material layer 223 on average, the hollow portion 614 accounts for 23% or higher of an apparent sectional area of the positive electrode active material particles 610.

Abstract: A method for extracting ions from an active material for use in a battery electrode includes mixing the active material and an activating compound to form a mixture. The mixture is annealed such that an amount of ions is extracted from the active material, an amount of oxygen is liberated from the active material, and an activated active material is formed. Embodiments of the invention include the activated active material, the electrode, and the primary and secondary batteries formed from such activated active materials.