Abstract: To produce active material particles for a lithium ion secondary battery, which have favorable surface smoothness, with which the cycle characteristics can be improved while an increase in the internal resistance of an active material layer is suppressed, and with which decomposition of the electrolyte can be suppressed even at a high voltage. Active material particles (X) for a lithium ion secondary battery are contacted with a composition containing a compound (a) having a metal element (M) selected from the group consisting of Li, Mg, Ca, Sr, Ba, Pb, Y, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Zn, Al, In, Sn, Sb, Bi, La, Ce, Pr, Nd, Gd, Dy, Er and Yb and a composition containing a fluoropolymer (b) having repeating units represented by —[CF2—CR1, R2]— (wherein each of R1 and R2 is H, F or —CF3), followed by heating.

Abstract: A sputtering target including indium (In), tin (Sn) and zinc (Zn) and an oxide including one or more elements X selected from the following group X, the atomic ratio of the elements satisfying the following formulas (1) to (4): Group X: Mg, Si, Al, Sc, Ti, Y, Zr, Hf, Ta, La, Nd, Sm 0.10?In/(In+Sn+Zn)?0.85??(1) 0.01?Sn/(In+Sn+Zn)?0.40??(2) 0.10?Zn/(In+Sn+Zn)?0.70??(3) 0.70?In/(In+X)?0.

Abstract: Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxMyCo4-m-aAmSb12-n-z-bXnQz, where M is at least one selected from the group consisting of Ca, Sr, Ba, Ti, V, Cr, Mn, Cu, Zn, Ag, Cd, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, A is at least one selected from the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt, X is at least one selected from the group consisting of Si, Ga, Ge and Sn, Q is at least one selected from the group consisting of O, S, Se and Te, 0<x<1, 0?y<1, 0?m?1, 0?a?1, 0?n<9, 0?z?4, 0?b?3 and 0<n+z+b.

Abstract: A positive active material for a rechargeable lithium battery includes a nickel-based composite oxide represented by the following Chemical Formula 1, wherein the nickel-based composite oxide includes an over lithiated oxide and non-continuous portions of a lithium nickel cobalt manganese oxide on a surface of the over lithiated oxide. LiaNibCocMndO2 ??Chemical Formula 1 where 1<a<1.6, 0.1<b<0.7, 0.1<c<0.4, and 0.1<d<0.7.

Abstract: Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxMyCo4-m-aAmSb12-n-z-bXnTez, where M is at least one selected from the group consisting of Ca, Sr, Ba, Ti, V, Cr, Mn, Cu, Zn, Ag, Cd, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; A is at least one selected from the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt; X is at least one selected from the group consisting of Si, Ga, Ge and Sn; 0<x<1; 0<y<1; 0?m?1; 0?n<9; 0<z?2; 0?a?1; 0<b?3; and 0<n+z+b<12.

Abstract: Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxMyCo4-m-aAmSb12-n-zXnTez, where M is at least one selected from the group consisting of Ca, Sr, Ba, Ti, V, Cr, Mn, Cu, Zn, Ag, Cd, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; A is at least one selected from the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt; X is at least one selected from the group consisting of Si, Ga, Ge and Sn; 0<x<1; 0<y<1; 0?m?1; 0?n<9; 0<z?2 and 0<a?1.

Abstract: Batteries with particularly high energy capacity and low internal impedance have been described herein. The batteries can exhibit extraordinary long cycling with acceptable low amounts of fade. Pouch batteries using high specific capacity lithium rich metal oxide as positive electrode material combined with graphitic carbon anode can reach an energy density of at least about 180 Wh/kg at a rate of C/3 from 4.35V to 2V at room temperature while having a room temperature areas specific DC resistance of no more than about 75 ohms-cm2 at 20% SOC based on a full charge to 4.35V. High specific capacity lithium rich metal oxide with specific stoichiometry ranges used in these batteries are disclosed.

Abstract: The object of the present invention is to provide a lithium transition metal silicate-type cathode active material that shows superior cycle characteristics, and shows little deterioration of discharge capacity even after repeated charge-and-discharge. In the present invention, a cathode active material that is expressed by the general formula Li2-yFe1-xMxSi1-yXyO4 (M=at least one transition metal selected from the group consisting of Mn, Ti, Cr, V, Ni, Co, Cu, Zn, Al, Ge, Zr, Mo, W; X=at least one element selected from the group consisting of Ti, Cr, V, Zr, Mo, W, P, B; 0?x<1, 0?y<0.25), and contains a lithium transition metal silicate, which comprises a mixed phase of an orthorhombic-type structure with a space group Pmn21 symmetry, and a monoclinic-type structure with a space group P21/n symmetry, is provided.

Abstract: Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxMyCo4-mAmSb12-n-zXnTez, where M is at least one selected from the group consisting of Ca, Sr, Ba, Ti, V, Cr, Mn, Cu, Zn, Pd, Ag, Cd, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, A is at least one selected from the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt, X is at least one selected from the group consisting of Si, Ga, Ge and Sn, 0<x<1, 0<y<1, 0?m?1, 0?n<9 and 0<z?2.

Abstract: Amorphous or partially amorphous nanoscale ion storage materials are provided. For example, lithium transition metal phosphate storage compounds are nanoscale and amorphous or partially amorphous in an as-prepared state, or become amorphous or partially amorphous upon electrochemical intercalation or de-intercalation by lithium. These nanoscale ion storage materials are useful for producing devices such as high energy and high power storage batteries.

Abstract: The present invention relates to a mixed metal oxide exhibiting perovskite-type structural characteristics in which there are cations of Ba, Ca or Sr, a rare earth metal and Fe, Cr, Cu, Co or Mn present in three different coordination sites or a composition thereof, to a cathode composed of the mixed metal oxide or composition thereof and to a solid oxide fuel cell comprising the cathode.

Abstract: Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxMyCo4-mAmSb12-n-z-pXnQ?pTez, where M is at least one selected from the group consisting of Ca, Sr, Ba, Ti, V, Cr, Mn, Cu, Zn, Ag, Cd, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; A is at least one selected from the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt; X is at least one selected from the group consisting of Si, Ga, Ge and Sn; Q? is at least one selected from the group consisting of O, S and Se; 0<x<1; 0<y<1; 0?m?1; 0?n?7; 0<z?2 and 0<p?2.

Abstract: The invention provides electrode active materials comprising lithium or other alkali metals, manganese, a +3 oxidation state metal ion, and optionally other metals, and a phosphate moiety. Such electrode active materials include those of the formula: AaMnbMIcMIIdMIIIePO4 wherein (a) A is selected from the group consisting of Li, Na, K, and mixtures thereof, and 0<a?1; (b) 0<b?1; (c) MI is a metal ion in the +3 oxidation state, and 0<c<0.5; (d) MII is metal ion, a transition metal ion, a non-transition metal ion or mixtures thereof, and 0?d<1; (e) MIII is a metal ion in the +1 oxidation state and 0<e<0.5; and wherein A, Mn, MI, MII, MIII, PO4, a, b, c, d and e are selected so as to maintain electroneutrality of said compound.

Abstract: [Problems to be Solved] Provided is a positive electrode material for an electrical device, which has high capacity and improved initial charge-discharge efficiency. [Means for Solving the Problem] Disclosed is a positive electrode material for an electrical device, which is represented by the formula (1): aLi[Li1/3Mn2/3]O2.(1?a)Li[NixCoyMn1-x-y]O2??(1) (wherein, 0<a<1, 0<x<0.5, and 0<y<0.3) and satisfies the relational expression: 2x+y<1.

Abstract: A composite metal precursor including a composite metal hydroxide represented by Formula 1 below, wherein an amount of magnesium (Mg) in the composite metal hydroxide is less than or equal to 0.005 wt %, an electrode active material formed from the same, a positive electrode including the same, and a lithium secondary battery employing the same: (A1-x-yBxCy)(OH)2 ??[Formula 1] wherein in Formula 1, x, y, A, B, and C are as described in the detailed description.

Abstract: A material for a solid oxide fuel cell, the material including: a first metal oxide represented by Formula 1 and having a perovskite crystal structure; a second metal oxide having an electronic conductivity which is greater than an electrical conductivity of the first metal oxide, a thermal expansion coefficient which is less than a thermal expansion coefficient of the first metal oxide, and having a perovskite crystal structure; and a third metal oxide having a fluorite crystal structure: BaaSrbCoxFeyZ1-x-yO3-?,??Formula 1 wherein Z is at least one element selected from an element of Groups 3 to 12 and a lanthanide element, a and b satisfy 0.4?a?0.6, 0.4?b?0.6, and a+b?1, x and y satisfy 0.6?x?0.9, 0.1?y?0.4, and x+y<1, and ? is selected such that the first metal oxide is electrostatically neutral.

Abstract: Provided is a positive electrode active material for a lithium ion secondary battery expressed by the following Chemical Formula 1 and containing antimony.

Abstract: This oxide for a semiconductor layer of a thin-film transistor contains Zn, Sn and In, and at least one type of element (X group element) selected from an X group comprising Si, Hf, Ga, Al, Ni, Ge, Ta, W and Nb. The present invention enables a thin-film transistor oxide that achieves high mobility and has excellent stress resistance (negligible threshold voltage shift before and after applying stress) to be provided.

Abstract: Novel articles and methods to fabricate same with self-assembled nanodots and/or nanorods of a single or multicomponent material within another single or multicomponent material for use in electrical, electronic, magnetic, electromagnetic and electrooptical devices is disclosed. Self-assembled nanodots and/or nanorods are ordered arrays wherein ordering occurs due to strain minimization during growth of the materials. A simple method to accomplish this when depositing in-situ films is also disclosed. Device applications of resulting materials are in areas of superconductivity, photovoltaics, ferroelectrics, magnetoresistance, high density storage, solid state lighting, non-volatile memory, photoluminescence, thermoelectrics and in quantum dot lasers.

Abstract: Provided is a resistive element which is excellent in inrush current resistance even in the case of having a surface-mountable small chip shape. The resistive element has an element main body composed of a semiconductor ceramic in which a main constituent thereof is composed of a Mn compound represented by the general formula (Nd1-xMx)yBazMn2O6 (M is at least one rare-earth element selected from Sm, Gd, Eu, Tb, Dy, Ho, Er, and Y), and x, y, and z respectively meet the conditions of: 0.05?x?0.4; 0.80?y?1.2; and 0.80?z?1.2 in the chemical formula.

Abstract: A magnetocaloric structure includes a magnetocaloric material and at least one protective layer. The magnetocaloric material has bar type or plank type. The protective layer is disposed on the magnetocaloric material.

Abstract: The material according to the invention is based on a material having the composition Ln6WO12 with a defect fluorite structure in which the cations, at least partially, have been substituted in a defined manner in the A and/or B position. It has the following composition: Ln1-xAx)6(W1-yBy)zO12-? where Ln=an element from the group (La, Pr, Nd, Sm), A=at least one element from the group (La, Ce, Pr, Nd, Eu, Gd, Tb, Er, Yb, Ca, Mg, Sr, Ba, Th, In, Pb), B=at least one element from the group (Mo, Re, U, Cr, Nb), 0?x?0.7 and 0?y?0.5, wherein, however, either x or y>0, 1.00?z?1.25 and 0???0.3. The mixed proton-electron conducting material exhibits an improved mixed conductivity, good chemical stability as well as good sintering properties, and can be used in particular as a material for a hydrogen-separating membrane or as a electrolyte at higher temperatures.

Abstract: The present disclosure relates to a composite material for a temperature sensor, and a method of manufacturing the temperature sensor using the same. The composite material according to the disclosure may contain four or more kinds of metal oxides that are combined with highly insulating materials, thereby producing a material with semiconductor-like properties that makes it possible to easily and accurately measure a temperature even at a high temperature in the range of 500° C. and above. Furthermore, unlike a conventional temperature sensors in which an electrode is printed/plated on the device surface, the sensor of the disclosure includes electrode wires with a predetermined diameter that are inserted into the metal oxide of the temperature sensor during a process in which the metal oxide is press-molded to form the temperature sensor so the electrode wires are prevented from becoming disconnected from the device.

Abstract: PVDF-g-PAN has been synthesized by grafting polyacrylonitrile onto polyvinylidene fluoride using an ATRP/AGET method. The novel polymer is ionically conducive and has much more flexibility than PVDF alone, making it especially useful either as a binder in battery cell electrodes or as a polymer electrolyte in a battery cell.

Abstract: The present invention relates to the field of lithium-ion battery, and particularly to high-capacity cathode material, and high-energy density lithium-ion secondary battery prepared using the same. The cathode material comprises cathode active material, a binder and a conductive agent, in which the cathode active material is a compound material of lithium cobalt oxide-based active material A and nickel-based active material B pretreated before being mixed, and the mass ratio B/A of the lithium cobalt oxide-based active material A and nickel-based active material B is between 0.82 and 9. The present invention can produce a battery having both larger capacity and higher energy density, and address the problem of gas generation in the battery at high temperature.

Abstract: A positive electrode for a lithium rechargeable battery, the positive electrode including a positive electrode active material; a binder; and a positive electrode additive represented by the following Formula 1: wherein R is a substituted or unsubstituted C1 to C10 alkyl group or a substituted or unsubstituted C5 to C30 aryl group and n is 0 or 1.

Abstract: The invention relates to a cobalt-free NTC ceramic having the composition Nia?Cub?Coc?MndO4 where 0.09<a?<0.6, 0.02<b?<0.65, 0.12<c?<0.58 and 1.6<d?<2.1. The invention further relates to a method for producing a cobalt-free NTC ceramic, the composition of which is derived from a cobalt-containing NTC ceramic of general formula NiaCubCocMndO4 where 0.09<a<0.6, 0.02<b<0.65, 0.12<c<0.58 and 1.6<d<2.1, wherein Co is replaced by Zn.

Abstract: The present invention relates to a nano-positive electrode material of lithium cell and preparation thereof. And the material comprising Lithium iron phosphate as substrate, conductive doping ion and voltage-boosting doping ion, have the general chemical formula: (Lix[M1-x])(Fey[N1-y])PO4, wherein: x=0.9˜0.96; y=0.93˜0.97; M represents conductive doping ion; N represents voltage-boosting doping ion. The material is prepared by solid phase reaction, of which the process for preparation includes: all raw materials is mixed homogeneously-milled into powder-pellet-formed-isothermally sintered for 2˜3 hours under 200˜400° C. in inner atmosphere-cooled-milled into powder-pellet-formed-isothermally sintered for 15˜20 hours under 500˜780° C. in inner atmosphere-cooled-milled into powder-airflow grinded and classified. The method is of low production cost, easy to operate, environment friendly and of high yield.

Abstract: Provided is a lithium ion positive electrode active material for a secondary battery that can realize a high operating voltage and a high capacity while suppressing capacity drop with cycles by using a low-cost material. A positive electrode active material for a secondary battery, which is a lithium manganese composite oxide represented by the following general formula (I) Lia(MxMn2-x-yYy)(O4-wZw) ??(I) wherein in the formula (I), 0.5?x?1.2, 0<y?0.3, 0?a?1.2, and 0<w?1; M contains at least Fe and may further contain at least one selected from the group consisting of Ni, Cr and Cu other than Fe; Y is at least one selected from the group consisting of Li, Be, B, Na, Mg, Al, K, Ca, Ti and Si; and Z is at least one of F and Cl.

Abstract: The present invention advantageously provides a high-voltage lithium battery cathode material and its general formula for the composition of the high-voltage lithium battery cathode material presented in this invention: LiMn1.5Ni0.5-XMXO4 Of which: 0<X?0.2, M represents one or several elements comprised by copper, zinc, magnesium, aluminum, cadmium, zirconium, and titanium. The present invention relates to a high-voltage lithium battery cathode material, which utilizes the liquid-phase co-precipitation method to dope transition metal elements, so that all elements could be mixed at the atomic level and obtain a relatively uniform product, stabilizing the crystal structure, avoiding the capacity attenuation caused by structure collapse in the material cyclic process; in addition, this invention has also increased the conductivity, improved the capacity of 5 V platform, thereby avoiding the substantial damage to the battery system resulted from the decomposition of the electrolyte.

Abstract: Disclosed is a cathode for secondary batteries comprising a compound having a transition metal layer containing lithium as at least one compound selected from the following formula 1: (1?x)Li(LiyM1?y?zMaz)O2?bAb*xLi3PO4 (1) wherein M is an element stable for a six-coordination structure, which is at least one selected from transition metals that belong to first and second period elements; Ma is a metal or non-metal element stable for a six-coordination structure; A is at least one selected from the group consisting of halogen, sulfur, chalcogenide compounds and nitrogen; 0<x<0.1; 0<y<0.3; 0?z<0.2; and 0?b<0.1.

Abstract: Disclosed is a cathode active material for secondary batteries comprising at least one compound selected from the following formula 1: (1?s?t)[Li(LiaMn(1-a-x-y)NixCoy)O2]*s[Li2CO3]*t[LiOH] (1) wherein 0<a<0.2, 0<x<0.9, 0<y<0.5, a+x+y<1, 0<s<0.03, and 0<t<0.03; and a, x and y represent a molar ratio, and a and t represent a weight ratio. The cathode active material has long lifespan at room temperature and high temperatures and provides superior stability, although charge and discharge are repeated at a high current.

Abstract: A material suitable for a semiconductor included in a transistor, a diode, or the like is provided. The material is an oxide material including In, M1, M2 and Zn, in which M1 is an element in the group 13 of the periodic table, a typical example thereof is Ga, and M2 is an element whose content is less than the content of M1. Examples of M2 are Ti, Zr, Hf, Ge, Sn, and the like. To contain M2 leads to suppression of generation of oxygen vacancies in the oxide material. A transistor which includes as few oxygen vacancies as possible can be achieved, whereby reliability of a semiconductor device can be increased.

Abstract: An objective of the present invention is to provide a lithium secondary battery which can achieve a higher capacity and a longer life without reduction in a lower voltage in the battery. In the present invention, a compound represented by general formula (I) described below is used as a cathode active material, and a compound represented by general formula (II) described below is used as an anode active material, Lia1(Nix1Mn2-x1-y1M1y1)O4 ??(I) wherein the M1 is at least one of Ti, Si, Mg and Al, the a1 satisfies 0?a1?1, the x1 satisfies 0.4?x1?0.6, and the y1 satisfies 0?y1?0.4; and Lia2M21-y2M3y2Oz2 ??(II) wherein the M2 is at least one of Si and Sn; the M3 is at least one of Fe, Ni and Cu, the a2 satisfies 0?a2?5, the y2 satisfies 0?y2<0.3, and the z2 satisfies 0<z2<2.

Abstract: A material or compound is provided having a spinel structure and corresponding to the formula LiyNi0.5Mn1.5?xIVMnxIIIAzO4?d, where: 0.02?x?0.35; d>0; A is selected from the group comprising Na, K, Mg, Nb, Al, Ni, Co, Zr, Cr, Fe, Cu, Ti, Zn, Si and Mo; 0.8?y?1.2; 0?z?0.1; and has a mesh parameter of between 8.174 and 8.179 ?.

Abstract: A hydrogen-absorbing alloy, which is used as a negative electrode material of nickel-metal hydride secondary batteries for hybrid electric vehicles, and particularly for batteries to drive electric motors of hybrid electric vehicles, is an AB5-type alloy having a CaCu5-type crystal structure and the general formula RNiaCobAlcMnd (R: mixture of rare earth metals), wherein 4.15?a?4.4, 0.15?b?0.35, 1?c/d?1.7, 5.25?a+b+c+d?5.45.

Abstract: Mixed oxide which has the composition LixMn0.5?a Ni0.5?b Coa+b O2, where 0.8?x?1.2, 0.05?a?0.3, 0.05?b?0.3, ?0.1?a?b?0.02 and a+b<0.5, and has a BET surface area of from 3 to 20 m2/g, a multimodal particle size distribution and a d50 of less than or equal to 5 ?m. Mixed oxide which has the composition Lix Mn0.5?a Ni0.5?b Coa+b O2, where 0.8?x?1.2, 0.05?a?0.3, 0.05?b?0.3, ?0.1?a?b?0.02 and a+b<0.5, and has a BET surface area of from 0.05 to 1 m2/g, a d50 of less than or equal to 10 ?m and a ratio of the intensities of the signals at 2?=18.6±1° to 2?=44.1±1° in the X-ray diffraction pattern of greater than or equal to 2.4.

Abstract: The invention relates to: a lithium-transition metal compound powder for a positive-electrode material of lithium secondary batteries, which is a powder that comprises a lithium-transition metal compound having a function of being capable of an insertion and elimination of lithium ions, wherein the particles in the powder contain, in the inner part thereof, a compound that, when analyzed by an SEM-EDX method, has peaks derived from at least one element selected from the Group-16 elements belonging to the third or later periods of the periodic table and at least one element selected from the Group-5 to Group-7 elements belonging to the fifth and sixth periods of the periodic table; a process for producing the powder; a positive electrode for lithium secondary batteries; and a lithium secondary battery.

Abstract: A method of growing electrochemically active materials in situ within a dispersed conductive matrix to yield nanocomposite cathodes or anodes for electrochemical devices, such as lithium-ion batteries. The method involves an in situ formation of a precursor of the electrochemically active materials within the dispersed conductive matrix followed by a chemical reaction to subsequently produce the nanocomposite cathodes or anodes, wherein: the electrochemically active materials comprise nanocrystalline or microcrystalline electrochemically active metal oxides, metal phosphates or other electrochemically active materials; the dispersed conductive matrix forms an interconnected percolation network of electrically conductive filaments or particles, such as carbon nanotubes; and the nanocomposite cathodes or anodes comprise a homogeneous distribution of the electrochemically active materials within the dispersed conductive matrix.

Abstract: A method for producing a lithium alkali transition metal oxide for use as a positive electrode material for lithium secondary batteries by a precipitation method. The positive electrode material is a lithium alkali transition metal composite oxide and is prepared by mixing a solid state mixed with alkali and transition metal carbonate and a lithium source. The mixture is thermally treated to obtain a small amount of alkali metal residual in the lithium transition metal composite oxide cathode material.

Abstract: Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxMyCo4-m-aAmSb12-n-zXnQ?z, where M is at least one selected from the group consisting of Ca, Sr, Ba, Ti, V, Cr, Mn, Cu, Zn, Ag, Cd, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; A is at least one selected from the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt; X is at least one selected from the group consisting of Si, Ga, Ge and Sn; Q? is at least one selected from the group consisting of O, S and Se; 0<x<1; 0<y<1; 0?m?1; 0?n<9; 0<z?2 and 0<a?1.

Abstract: Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxMyCo4-mAmSb12-n-z-pXnQ?pTez, where M is at least one selected from the group consisting of Ca, Sr, Ba, Ti, V, Cr, Mn, Cu, Zn, Ag, Cd, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; A is at least one selected from the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt; X is at least one selected from the group consisting of Si, Ga, Ge and Sn; Q? is at least one selected from the group consisting of O, S and Se; 0<x<1; 0<y<1; 0?m?1; 0?n?7; 0<z?2 and 0<p?2.

Abstract: Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxMyCo4-m-aAmSb12-n-z-bXnQ?z, where M is at least one selected from the group consisting of Ca, Sr, Ba, Ti, V, Cr, Mn, Cu, Zn, Ag, Cd, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; A is at least one selected from the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt; X is at least one selected from the group consisting of Si, Ga, Ge and Sn; Q? is at least one selected from the group consisting of O, S and Se; 0<x<1; 0<y<1; 0?m?1; 0?n<9; 0<z?2; 0?a?1, 0<b?3 and 0<n+z+b<12.

Abstract: Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxMyCo4-m-aAmSb12-n-z-bXnQz, where M is at least one selected from the group consisting of Ca, Sr, Ba, Ti, V, Cr, Mn, Cu, Zn, Ag, Cd, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, A is at least one selected from the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt, X is at least one selected from the group consisting of Si, Ga, Ge and Sn, Q is at least one selected from the group consisting of O, S, Se and Te, 0<x<1, 0?y<1, 0?m?1, 0?a?1, 0?n<9, 0?z?4, 0?b?3 and 0<n+z+b.

Abstract: A material for a solid oxide fuel cell, the material including: a first compound having a perovskite crystal structure, a first ionic conductivity, a first electronic conductivity, and a first thermal expansion coefficient, wherein the first compound is represented by Formula 1 below; and a second compound having a perovskite crystal structure, a second ionic conductivity, a second electronic conductivity, and a second thermal expansion coefficient, BaaSrbCoxFeyZ1-x-yO3-?,??Formula 1 wherein Z is a transition metal element, a lanthanide element, or a combination thereof, a and b satisfy 0.4?a?0.6 and 0.4?b?0.6, respectively, x and y satisfy 0.6?x?0.9 and 0.1?y?0.4, respectively, and ? is selected so that the first compound is electrically neutral.

Abstract: A compound of formula Lia+y(M1(1?t)Mot)2M2b(O1?xF2x)c wherein: M1 is selected from the group consisting in Ni, Mn, Co, Fe, V or a mixture thereof; M2 is selected from the group consisting in B, Al, Si, P, Ti, Mo; with 4?a?6; 0<b?1.8; 3.8?c?14; 0?x<1; ?0.5?y?0.5; 0?t?0.9; b/a<0.45; the coefficient c satisfying one of the following relationships: c=4+y/2+z+2t+1.5b if M2 is selected from B and Al; c=4+y/2+z+2t+2b if M2 is selected from Si, Ti and Mo; c=4+y/2+z+2t+2.5b if M2 is P; with z=0 if M1 is selected from Ni, Mn, Co, Fe and z=1 if M1 is V.

Abstract: A cathode active material comprising a composition represented by the following general formula (1): LiaM1xM2yM3zPmSinO4??(1) wherein M1 is at least one kind of element selected from the group of Mn, Fe, Co and Ni; M2 is any one kind of element selected from the group of Ti, V and Nb; M3 is at least one kind of element selected from the group of Zr, Sn, Y and Al; “a” satisfies 0<a?1; “x” satisfies 0<x?2; “y” satisfies 0<y<1; “z” satisfies 0?z<1; “m” satisfies 0?m<1; and “n” satisfies 0<n?1.

Abstract: Methods for forming a cathode active material comprise sintering flakes formed from a nickel, manganese, cobalt and lithium-containing slurry to form the cathode material having the formula Li2Ni1?x?yMnxCoyO2, wherein ‘x’ is a number between about 0 and 1, ‘y’ is a number between about 0 and 1, and ‘z’ is a number greater than or equal to about 0.8 and less than 1. Lithium-ion batteries having cathode active materials formed according to methods of embodiments of the invention are provided.

Abstract: The composite positive active material of a lithium battery is composed of a main active material containing lithium and a sheathing active material containing lithium, whose particle diameter is far smaller than that of the main active material. A pulp containing these two active materials is sprayed and dried to form a mixed powder. The composite positive active material is obtained by means of sintering the mixed powder.

Abstract: The present invention discloses a method for producing a positive electrode active material for a lithium secondary battery constituted by a lithium-nickel-cobalt-manganese complex oxide with a lamellar structure, the method including: (1) a step of preparing a starting source material for producing the complex oxide including a lithium supply source, a nickel supply source, a cobalt supply source, and a manganese supply source; (2) a step of pre-firing the starting source material by heating at a pre-firing temperature that has been set to a temperature lower than 800° C. and higher than a melting temperature of the lithium supply source; and (3) a step of firing the pre-fired material obtained in the pre-firing step by raising a temperature to a temperature range higher than the pre-firing temperature.