329results about "Oxide conductors" patented technology

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

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 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.

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.

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).

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.

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.

A solid electrolyte material of the present disclosure includes: Li; M; O; X; and S. The M is at least one selected from the group consisting of Ti, Zr, and Hf. The X is at least one selected from the group consisting of F, Cl, Br, and I. A molar ratio of the O to the X is more than 0 and 0.3 or less. A battery 1000 of the present disclosure includes: a positive electrode 201; a negative electrode 203; and an electrolyte layer 202 provided 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 includes the solid electrolyte material of the present disclosure.

To provide a positive electrode active material with high capacity and good cycle characteristics. [Solution] The positive electrode active material is designed to show little change in its crystal structure between the charged and discharged states. For example, in the discharged state, it has a layered rock salt-type crystalline structure, and when charged with a high voltage of about 4.6V In its state, the positive electrode active material having a pseudo-spinel type crystal structure is more responsive than known positive electrode active materials. The crystal structure and volume change little before and after discharge. When analyzed by XRD, 2θ = 19.30 ± 0.20° and 2θ = 45.55 ± 0 A diffraction peak occurs at 0.10°.

The invention relates to the field of batteries, in particular to a composite cathode conductive agent and a preparation method and application thereof. The composite cathode conductive agent comprises reduced graphene oxide and a zinc oxide nanosheet layer coated on the surface of the reduced graphene oxide. The composite cathode conductive agent can reduce direct contact between conductive carbon and electrolyte and inhibit side reaction between the conductive carbon and sulfide solid electrolyte. A normal electron transmission path is reserved through a coating defect or an uncovered area.

There are provided a lithium ion conductor, a sheet, and a power storage device with which the transference number for Li ions can be increased. The lithium ion conductor contains a solid electrolyte containing Li, La, Zr, and O and having a garnet-type or garnet-like crystal structure and an electrolyte solution in which a lithium salt is dissolved in at least one organic solvent. The organic solvent includes sulfolane or a sulfolane derivative, and, in the electrolyte solution, the molality of the lithium salt is 1.4 mol / kg or more. The percentage of the volume of the solid electrolyte to the total of the volume of the solid electrolyte and the volume of the electrolyte solution is 52% or more and less than 100%. The sheet and the power storage device contain the lithium ion conductor.

The present invention addresses the problem of providing a solid-state battery and active material capable of suppressing decreases in the recovery capacity of the solid-state battery and capable of suppressing increases in the resistance of the solid-state battery, even if the solid-state battery is stored in a high-temperature environment in a charged state. A solid electrolyte, according to the present invention, contains a lithium (Li) element, a phosphorus (P) element, a sulfur (S) element, an oxygen (O) element, and a halogen (X) element. The molar ratio of the halogen (X) element to the phosphorus (P) element is less than 1.2. The molar ratio of the oxygen (O) element to the phosphorus (P) element is greater than 0.001 but less than 1.0. According to the present invention, the X-ray diffraction pattern measured by an X-ray diffractometer using Cu Kα radiation has diffraction peaks at a position of 2θ=15.4°±1° and at a position of 2θ=17.8°±1°.

To provide a positive electrode active material with high capacity and good cycle characteristics. [Solution] The positive electrode active material is designed to show little change in its crystal structure between the charged and discharged states. For example, in the discharged state, it has a layered rock salt-type crystalline structure, and when charged with a high voltage of about 4.6V... In its state, the positive electrode active material having a pseudo-spinel type crystal structure is more responsive than known positive electrode active materials. The crystal structure and volume change little before and after discharge. When analyzed by XRD, 2θ = 19.30 ± 0.20° and 2θ = 45.55 ± 0 A diffraction peak occurs at 0.10°.

The present invention relates to a cobalt-free positive electrode active material having improved thermal stability and electrochemical properties, and a lithium secondary battery using the same.

An oxide which has a garnet-type crystal structure including Li, La, and Zr, in which the crystal structure belongs to a space group I41 / acd, a percent Li occupancy of 8a sites is 30% or more and 95% or less, and a percent Li occupancy of 16e sites is 60% or less (excluding 0%).

The present invention relates to a method for producing a composite solid electrolyte having high ionic conductivity, which is capable of being produced in a continuous process and in large scale.

The solid electrolyte material of the present disclosure contains Li, Zr, Fe, O, and X, X is at least one selected from F, Cl, Br, and I, in the X-ray diffraction pattern obtained by X-ray diffraction measurement using Cu-Kα rays, a first peak exists in the range of diffraction angle 2θ of 14.7° or more and 15.1° or less, a second peak exists in the range of diffraction angle 2θ of 29.9° or more and 30.7° or less, and a third peak exists in the range of diffraction angle 2θ of 34.1° or more and 34.8° or less.

Disclosed herein are a solid ion conductor compound includinga compound that is represented by Formula 1 and has an argyrodite-type crystal structure, an ion conductivity of 3 mS / cm or more at 25 °C, and an average particle diameter of 0.1 µm to 7 µm, a solid electrolyte including the solid ion conductor compound, an electrochemical cell including the solid ion conductor compound, and a method of preparing the solid ion conductor compound.         <Formula 1>     LiaM1xPSyM2zM3w In Formula 1, M1 is at least one metal element selected from Group 1 to 15 elements, except for Li, in the Periodic Table, M2 is at least one element selected from Group 17 elements in the Periodic Table, M3 isSOn, and 4≤a≤8, 0≤x<1, 3≤y≤7, 0<z≤2, 0≤w<2, 1.5≤n≤5, and 0<x+w<3.

Provided are: a powder with which it is possible to reduce peeling at the interface of a sheet (14), and a corresponding sheet and secondary battery (10) The powder contains solid electrolyte particles (18), and the angularity of a cross-sectional contour (19) of the particles is 300-1600. The particles more preferably have a Vickers hardness of 80 HV or more. This sheet contains said powder. This secondary battery includes, in order, a positive electrode (11), an electrolyte layer (14), and a negative electrode (15). The negative electrode includes an active material layer (17) comprising lithium metal. The electrolyte layer includes said sheet.

An electrolyte composition contains an ion conductive inorganic solid electrolyte, a polymer having an ability to preferentially conduct metal ions, and an ionic liquid.

One aspect of the present disclosure provides an ion-conducting substance which contains an alkali metal element, a divalent metal element D, a trivalent or higher metal element M, and a halogen element, has a cubic crystal structure, and has an X-ray diffraction pattern obtained by measurement using a CuK [alpha] ray at 25 DEG C, the ratio of the peak height of diffraction peak A to the peak height of diffraction peak B is 0.80-2.50, where diffraction peak B is the diffraction peak having the maximum peak height observed in the 2 [theta] angle range of 45-53 DEG, and diffraction peak A is the diffraction peak having the maximum peak height observed in the 2 [theta] angle range of 33-38 DEG.