533results about "Oxide conductors" patented technology

Disclosed herein are halide-based solid electrolytes with high ionic conductivity for all-solid-state sodium ion batteries. For example, disclosed herein are solid electrolytes comprising: ABCλ-2x-zDx+y, wherein: A is chosen from Li, Na, K, Mg, Ca, Zn, Al, In, Fe, and combinations thereof; B is chosen from Ca, Mg, Zn, In, V, Nb, Ta, Mn, Ti, Zr, Hf, Fe, Co, Ni, Al, Ga, and combinations thereof; C is chosen from F, Cl, Br, I, and combinations thereof; D is chosen from O, S, Se, Te, and combinations thereof; λ is an integer chosen from 4, 5, and 6, such that the solid electrolyte is charge neutral; 0 < x < 1; 0 < z < 2; and 0 < y < 1.

To provide a positive electrode active material with high capacity and good cycle characteristics.SOLUTION: A positive electrode active material exhibits minimal change in crystal structure between the charged and discharged states. For example, a positive electrode active material that has a layered rock-salt crystal structure in the discharged state and a pseudo-spinel crystal structure in the charged state at a high voltage of about 4.6 V exhibits less change in crystal structure and volume between charge and discharge than known positive electrode active materials. When this pseudo-spinel crystal structure is present, diffraction peaks appear at 2θ=19.30±0.20° and 2θ=45.55±0.10° when analyzed by XRD.SELECTED DRAWING: Figure 1

A positive electrode material according to an aspect of the present disclosure includes a positive electrode active material and a first solid electrolyte that coats the surface of the positive electrode active material. The first solid electrolyte contains Li, M1, O, and X1. M1 is at least one element selected from the group consisting of Nb and Ta. X1 is at least one element selected from the group consisting of Cl, Br, and I.

The present invention relates to a positive electrode active material for a secondary battery which includes a first positive electrode active material and a second positive electrode active material, wherein an average particle diameter (D50) of the first positive electrode active material is twice or more an average particle diameter (D50) of the second positive electrode active material, and the second positive electrode active material has a crystallite size of 200 nm or more.

The present invention relates to an electrically conductive material satisfying a conductivity index (PC) of 0.03 to 8.10, in which the conductivity index is defined by the aspect ratio, the powder resistance, and the bulk density, BET specific surface area, and volume cumulative average particle size D50 when the powder resistance is measured as factors, and according to the present invention, the conductivity index of the electrically conductive material is less than or equal to 0.03 and less than or equal to 8.10, and according to the present invention, the conductivity index of the electrically conductive material is less than or equal to 0.03 and less than or equal to 8.10. By using physical properties that may relate to resistance characteristics and lifespan characteristics of an electrode, thereby clarifying and defining a relationship between the physical properties, it is possible to provide a conductive material capable of improving performance of an electrode when a specific range is satisfied. A conductive material, such as a conductive material disposed in the aperture and disposed on a surface of the active material, forms conductive network connection paths between and within the active material particles in the electrode.

The present invention provides an ion conductive solid which contains an oxide that is represented by formula Li6+a-c-2dX1-a-b-c-dM1aM2bM3cM4dB3O9. (In the formula, X represents at least one metal element that is selected from the group consisting of Lu, Ho, Er and Tm; M1 represents at least one metal element that is selected from the group consisting of Mg, Mn, Zn, Ni, Ca, Sr and Ba; M2 represents at least one metal element that is selected from the group consisting of La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Lu, In, Fe and Sc; M3 represents at least one metal element that is selected from the group consisting of Zr, Ce, Hf, Sn and Ti; M4 represents at least one metal element that is selected from the group consisting of Nb and Ta; a, b, c and d are specific real numbers; and the cases where X and M2 represent the same metal element are excluded.)

The invention relates to the technical field of low-resistance conductive materials, and particularly discloses a base particle vortex mediated near-room-temperature ultralow-resistance material which comprises a main body material and a regulating medium, the main body material is a doped transition metal oxide or a carbon-based composite material; the regulation and control medium is a low-atomic-weight doping agent; the doped transition metal oxide is La-doped SrTiO3 or Nb-doped TiO. Compared with a traditional copper conductor, the material has the advantages that the resistance is obviously reduced, the energy loss in the electron transmission process can be greatly reduced, the energy efficiency of electronic equipment and new energy equipment can be obviously improved, the material can adapt to the environment temperature change of most indoor and outdoor engineering application scenes, and the application prospect is wide. The problem that part of low-resistance materials are poor in temperature stability is solved, the reliability of long-term operation of devices is guaranteed, conventional processes and equipment such as magnetron sputtering, spin coating and pyrolysis, tube furnace doping and mechanical bending are adopted in the whole process, the operation process is clear and easy to understand, and large-scale production can be achieved in common material laboratories or small and medium-sized production workshops.

To provide an electrolyte composition with excellent ionic conductivity. [Solution] An electrolyte composition comprising an ion-conducting inorganic solid electrolyte, a polymer having the ability to preferentially conduct metal ions, and an ionic liquid.

The solid electrolyte material of the present disclosure consists of Li, La, O, and I. The battery 1000 of the present disclosure includes a positive electrode 201, a negative electrode 203, and an electrolyte layer 202. The electrolyte layer 202 is disposed between the positive electrode 201 and the negative electrode 203. At least one selected from the group consisting of the positive electrode 201, the negative electrode 203, and the electrolyte layer 202 contains the solid electrolyte material of the present disclosure.

The lithium composite oxide single crystal has a chemical composition represented by Li7-3x-w-vGaxLa3Zr2-w-vTaWNbvO12 (0.02≤x<0.5, 0≤W≤1.0, 0≤V≤1.0, and 0.05≤W+V≤1.0), which belongs to a space group I-43d in a cubic system and has a garnet structure.

Process for making a particulate (oxy)hydroxide of TM wherein TM represents a combination of metals, and wherein TM comprises nickel and at least one metal selected from cobalt and aluminum and manganese, wherein said process comprises the steps of: (a) combining an aqueous slurry of metallic nickel and at least one metal selected from aluminum and transition metals other than nickel with an oxidant selected from oxygen and nitrate in a first reaction vessel or in a first group of reaction vessels at a temperature of from 5° to 40°C, (b) transferring aqueous reaction medium from the first reaction vessel to a second reaction vessel, wherein said second reaction vessel contains a slurry of a hydroxide of TM, wherein the pH value in step (b) is higher than in step (a) and the temperature is in the range of from 45° to 80°C, thereby forming and growing particles of hydroxide of TM, (c) removing the particles from step (b) from the liquid by a solid-liquid separation method, and drying the particles, (d) returning liquid phase obtained in step (c) to the first reaction vessel.

The solid electrolyte material according to the present disclosure comprises Li, La, O, and I. The battery 1000 according to the present disclosure is provided with a positive electrode 201, a negative electrode 203, and an electrolyte layer 202. The electrolyte layer 202 is arranged between the positive electrode 201 and the negative electrode 203. At least one member selected from the group consisting of the positive electrode 201, the negative electrode 203, and the electrolyte layer 202 contains the solid electrolyte material according to the present disclosure.

Provided are an electrolyte powder, a sheet, an electrochemical element, and an electric power storage device which can facilitate quality control. The electrolyte powder has a garnet-type crystalline structure containing Li, Zr, and La, and satisfies b*≥2 in chromatic coordinates of CIE 1976 L*a*b* color space. The electrolyte powder optionally satisfies a*≥0, and the chroma represented by c*={(a*)2+(b*)2}1 / 2 optionally satisfies 2≤c*≤10. The sheet, the electrochemical element, and the electric power storage device each include the electrolyte powder.

Disclosed is an optical laminate including: a first laminate comprising a first polarizing plate and a first transparent conductive layer; a second laminate opposite to the first laminate and comprising a second polarizing plate and a second transparent conductive layer; and a liquid crystal layer disposed between the first laminate and the second laminate, wherein the first laminate and the second laminate each has a Martens hardness (HM) of 100 N / mm2 to 430 N / mm2 and an elastic recovery rate (nIT) of 40% to 87%, as measured when a pressing load of 1 mN is applied thereto for 15 seconds using a nanoindenter. Also disclosed is a smart window including the optical laminate. A polarizing plate-transparent conductive layer laminate positioned above and below the liquid crystal layer is not deformed due to its excellent hardness and may be recovered after being compressed, due to its excellent elastic recovery rate.

The present invention relates to an electrode for use in an energy storage device, the electrode comprising an electron collector, an active material and an electrically conductive binder wherein the electrically conductive binder comprises a solution treated n-type electrically conductive polymer having an electrical conductivity of at least 100 S / cm.

Provided is a crystalline sulfide solid electrolyte having a high ionic conductivity and being capable of realizing a reduction in raw material cost, which contains a lithium atom, a phosphorus atom, a sulfur atom, an oxygen atom, and a halogen atom, has diffraction peaks at 2θ = 20.3 ± 0.5° and 29.6 ± 0.6° in X-ray diffraction measurement using a CuKα line, has a peak attributable to PSO33- observed at 39.6 ± 5.0 ppm in solid-state 31P-NMR measurement, and has a composition represented by the following composition formula: (100 - y)(0.5)(Li3+2zP(S1-xOx)4+z) + (y)LiX (in which, x, y, and z satisfy 0.00060 ≤ x ≤ 0.15, 3.0 ≤ y <25.0, and -0.17 ≤ z ≤ 1.5, respectively, and X represents a halogen atom).

The present invention provides a light-transmitting conductive film suitable for reducing resistance and suppressing yellowing, a transparent conductive film equipped with the light-transmitting conductive film, and an article with the transparent conductive film. [Solution] The light-transmitting conductive film 20 contains an indium-containing conductive oxide and includes a first region 21 in at least a portion of its thickness that contains krypton in a content ratio of less than 0.1 atomic percent. The light-transmitting conductive film 20 also contains an indium-containing conductive oxide and includes a second region 22 in at least a portion of its thickness that does not contain krypton.

To provide a sintered body having a cubic garnet type structure lithium metal oxide sintered at a temperature of 900°C or lower capable of being integrally sintered with an electrode and excellent in ionic conductivity, a solid electrolyte using the sintered body, an all-solid-state lithium-ion battery, and a method for manufacturing the sintered body, the solid electrolyte, and the all-solid-state lithium-ion battery.SOLUTION: Disclosed is a sintered body which includes particles comprising a lithium metal oxide of a cubic garnet structure represented by Li7-aLa3 A2O12 where the parameter a satisfies 0≤a≤0.9, and the element A is at least one element selected from the group consisting of Zr, Ta, Hf, Sn, Nb, Ti, V, Bi, Mo, and W, and lithium hydroxide located at grain boundaries of the particles. A volume ratio of the lithium metal oxide to the total of the lithium metal oxide and lithium hydroxide is in the range of 50 vol% or more and 95 vol% or less.SELECTED DRAWING: Figure 1

The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a positive electrode active material, which includes an overlithiated lithium manganese-based oxide, which is a solid solution with a phase belonging to a C2 / m space group and a phase belonging to an R3-m space group and in which stability degradation caused by excessive amounts of lithium and manganese in the lithium manganese-based oxide is mitigated and / or prevented because there are regions with different proportions of the phase belonging to the C2 / m space group and the phase belonging to the R3-m space group in the lithium manganese-based oxide, and a lithium secondary battery including the same.

The present invention relates to a solid electrolyte comprising sulfide-based solid electrolyte particles and a lithium-metal-oxide located on the surface of the particles, wherein the half-width of the main peak in an X-ray diffraction analysis of the solid electrolyte is 0.160 or less, and a method for producing the same.

A technique that can improve ionic conductivity is provided.An electrolyte includes an inorganic composite particle that is a composite of an inorganic particle with a compound having a betaine structure and one or more functional groups selected from a (meth)acryloxy group, a Si(OR)3 group (R is a hydrogen atom or an alkyl group having 1 to 3 carbon atoms), and an Al(OR)2 group (R is a hydrogen atom or an alkyl group having 1 to 3 carbon atoms).

To provide a positive electrode active material having high capacity and good cycle performance.SOLUTION: A positive electrode active material has a small difference in a crystal structure between a charged state and a discharged state. For example, the crystal structure and volume of the positive electrode active material, which has a layered rock-salt crystal structure in the discharged state and a pseudo-spinel crystal structure in the charged state at a high voltage of approximately 4.6 V, are changed less by charge and discharge than those of a known positive electrode active material. With the pseudo-spinel crystal structure, XRD analysis results in diffraction peaks at 2θ of 19.30±0.20° and 2θ of 45.55±0.10°.SELECTED DRAWING: Figure 1

To provide a positive electrode active material having high capacity and good cycle performance.SOLUTION: A positive electrode active material has a small difference in a crystal structure between a charged state and a discharged state. For example, the crystal structure and volume of the positive electrode active material, which has a layered rock-salt crystal structure in the discharged state and a pseudo-spinel crystal structure in the charged state at a high voltage of approximately 4.6 V, are changed less by charge and discharge than those of a known positive electrode active material. With the pseudo-spinel crystal structure, XRD analysis results in diffraction peaks at 2θ of 19.30±0.20° and 2θ of 45.55±0.10°.SELECTED DRAWING: Figure 1

An electrode material of the present disclosure is an electrode material that includes a compound represented by the chemical formula BaZr1-x-yMxCoyO3-δ. M is In or Yb, and the chemical formula satisfies 0<x<1, 0<y<1, 0<(x+y)<1, and 0<δ<1. A membrane electrode assembly of the present disclosure includes a first electrode including the electrode material, and an electrolyte membrane provided on a first main surface of the first electrode.

Aspects relate to patterned nanostructures having a feature size not including film thickness of below 5 microns. The patterned nanostructures are made up of nanoparticles having an average particle size of less than 100 nm. A nanoparticle composition, which, in some cases, includes a binder, is applied to a substrate. A patterned mold used in concert with electromagnetic radiation function to manipulate the nanoparticle composition in forming the patterned nanostructure. In some embodiments, the patterned mold nanoimprints a pattern onto the nanoparticle composition and the composition is cured through UV or thermal energy. Three-dimensional patterned nanostructures may be formed. A number of patterned nanostructure layers may be prepared and joined together. In some cases, a patterned nanostructure may be formed as a layer that is releasable from the substrate upon which it is initially formed. Such releasable layers may be arranged to form a three-dimensional patterned nanostructure for suitable applications.

Provided is a composite electrolyte containing an inorganic solid electrolyte and an organic solid electrolyte, the organic solid electrolyte containing a molecular crystal and having a porosity of 15% or less.

The method for producing a halide solid electrolyte according to the present disclosure comprises: (A) halogenating an oxide mixture containing a composite oxide containing Li and Ti and an oxide raw material containing Li and M, thereby obtaining a halide solid electrolyte containing Li, Ti, M, and X; here, M is at least one element selected from the group consisting of metal elements (excluding Li and Ti) and metalloid elements, and X is at least one element selected from the group consisting of F, Cl, Br, and I.

To provide an air electrode material and an air electrode for a proton conduction ceramic fuel cell, having low reaction resistance of an air electrode and capable of achieving high output density, and a proton conduction ceramic fuel cell using the air electrode.SOLUTION: An air electrode for a proton conduction ceramic fuel cell is a perovskite-type composite oxide represented by the following general formula (1): Bax1Coα1Feβ1Mgγ1Mδ1O3-y1 (1) (in formula (1), M represents at least one selected from among Ti, Ni, Zn, Y, Pr, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb, Lu, Sc and Ga, x1 is 0.90 to 1.10, α1 exceeds 0.00 and 1.00 or less, β1 exceeds 0.00 and 1.00 or less, γ1 exceeds 0.00 and 0.30 or less, δ1 exceeds 0.00 and 0.30 or less, and y1 is 0.0 or more and 0.8 or less).SELECTED DRAWING: None

To provide a composite, a sheet, an electrochemical element, and a power storage device, ensuring electrical conductivity. A composite includes a metal oxide and an ester-type solvent in which an electrolyte salt is dissolved, in which an ionic liquid attaches to the surface of the metal oxide. A sheet contains the composite. An electrochemical element contains the composite. A power storage device includes a positive electrode layer, a negative electrode layer, and a separator which isolates the positive electrode layer from the negative electrode layer, and contains the composite.