1066results about "Oxide conductors" patented technology

A solid electrolyte includes: LiaAbEc(SO4)dJeXfHh, A is selected from alkaline earth metals and alkali metals other than Li, E is selected from Al, Ga, In, Sc, Y, Ti, Zr, Hf, and lanthanides, J is selected from OH, BO2, BO3, BO4, B3O6, B4O7, CO3, NO3, AlO2, SiO3, SiO4, Si2O7, Si3O9, Si4O11, Si6O18, PO3, PO4, P2O7, P3O10, SO3, SO5, S2O3, S2O4, S2O5, S2O6, S2O7, S2O8, BF4, PF6, BOB, (COO)2, N, AlCl4, CF3SO3, CH3COO, CF3COO, OOC—(CH2)2—COO, OOC—CH2—COO, OOC—CH(OH)—CH(OH)—COO, OOC—CH(OH)—CH2—COO, C6H5SO3, OOC—CH═CH—COO, OOC—CH═CH—COO, C(OH)(CH2COOH)2COO, AsO4, BiO4, CrO4, MnO4, PtF6, PtCl6, PtBr6, PtI6, SbO4, SeO4, TeO4, HCOO, and O, X is selected from F, Cl, Br, and I, 0.5≤a<6, 0≤b<6,0<c<2,0.1<d≤6.0, 0<e≤6.0, 0<f≤6.1, and 0≤h≤0.2, and a peak is observed at a diffraction angle 2θ=22.3°±1.0° in an X-ray diffraction pattern in which Cu-Kα is used as a line source.

This solid electrolyte (10) contains LiaAbEc (SO4) dJeXfHh... (1), in formula (1), A is at least one element selected from the group consisting of alkali metals other than Li and alkaline earth metals, E is at least one element selected from the group consisting of Al, Ga, In, Sc, Y, Ti, Zr, Hf and lanthanide elements, and J is selected from the group consisting of OH, BO2, BO3, BO4, B3O6, B4O7, CO3, NO3, AlO2, SiO3, SiO4, Si2O7, Si3O9, Si4O11, Si6O18, PO3, PO4, P2O7, P3O10, SO3, SO5, S2O3, S2O4, S2O5, S2O6, S2O7, S2O8, BF4, 0.5 < = a < 6, 0 < = b < 6, 0 < c < 2, 0.1 < d < = 6.0, 0 < e < = 6.0, 0 < f < = 6.1, and 0 < = h < = 0.2 are satisfied, and a peak is confirmed at a diffraction angle 2 [theta] = 22.3 DEG + / -1.0 DEG in an X-ray diffraction pattern using Cu-K [alpha] as a radiation source.

An all-solid-state battery includes a sintered body including a positive electrode, a negative electrode and a solid electrolyte layer between the positive electrode and the negative electrode, in which the solid electrolyte layer contains a first solid electrolyte having a γ-Li3PO4-type crystal structure, and the negative electrode contains a second solid electrolyte having a γ-Li3PO4-type crystal structure and one or more selected from Ag and a Ag-containing alloy.

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.

The solid electrolyte material of the present disclosure is a solid electrolyte material including Li, M, O, and X. Here, M is at least one selected from the group consisting of Nb and Ta, X is at least one selected from the group consisting of F, Cl, Br, and I, and the solid electrolyte material has a specific surface area of greater than 7.5 m2 / g. The battery of the present disclosure includes a positive electrode, a negative electrode, and an electrolyte layer arranged between the positive electrode and the negative electrode. At least one of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material of the present disclosure.

The solid electrolyte material of the present disclosure comprises Li, M, O, X, and H. Here, M is at least one selected from the group consisting of Nb and Ta, X is at least one selected from the group consisting of F, Cl, Br, and I, and the molar ratio of H to M is greater than 0.08 and 1.50 or less. The battery of the present disclosure includes a positive electrode, a negative electrode, and an electrolyte layer provided between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material of the present disclosure.

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

To provide a stabilized solid garnet electrolyte article, a method of making the stabilized solid garnet electrolyte article, and a method for using the stabilized solid garnet electrolyte article in an energy storage device.SOLUTION: A solid garnet composition comprises: a bulk composition consisting of or consisting essentially of a lithium garnet; and a surface composition consisting of or consisting essentially of a surface protonated garnet on at least a portion of the exterior surface of the lithium garnet, wherein the surface composition is compositionally stable in air and insensitive to carbon dioxide.SELECTED DRAWING: None

The transparent conducting film comprises a base material layer, a first resin layer, a base layer and a composite conducting layer which are sequentially arranged in a stacked mode, and the composite conducting layer comprises a first ITO conducting layer and a second ITO conducting layer arranged on the face, away from the base layer, of the first ITO conducting layer. The mass ratio of indium oxide to tin oxide in the raw material indium tin oxide of the first ITO conducting layer is 90: 10, and the mass ratio of indium oxide to tin oxide in the raw material indium tin oxide of the second ITO conducting layer is 93: 7; the first ITO conducting layer and the second ITO conducting layer are both prepared through a magnetron sputtering process, the bombardment gas during magnetron sputtering is krypton, and the direct-current sputtering voltage is 350-400 v. The transparent conductive film provided by the invention has good conductivity and light transmission, and is low in cost.

The present invention provides a ceramic particle (141) and a coating layer (142) that covers at least a part of the surface of the ceramic particle and contains two or more phases. The coating layer contains a first phase (142a) that is composed of an oxide-based ion conductor, and a second phase (142b) that is composed of an amorphous-containing ion conductor which contains an amorphous phase. The first phase has an ionic conductivity which is higher than that of the second phase. The second phase has a Young's modulus which is lower than that of the first phase.

The present exemplary embodiments relate to a positive electrode active material, its manufacturing method, and a lithium secondary battery including the same. The positive electrode active material according to an exemplary embodiment is a metal oxide particle including:a metal oxide particle comprising a central portion and a surface portion located on the surface of the central portion, wherein, the metal oxide particle includes nickel, cobalt, manganese, and doping elements and is composed of a single particle, and the metal oxide particle includes a crystal phase of layered structure belonging to the R-3m space group on the surface, and an average grain size is 1550 Å or more.

Provided are solid-state hybrid electrolytes. The hybrid electrolytes have a polymeric material layer, which may be a polymer copolymer layer or a gel polymer copolymer layer, disposed on at least a portion of an exterior surface or all of the exterior surfaces of a solid-state electrolyte. A hybrid electrolyte can form an interface with an electrode of an ion-conducting battery that exhibits desirable properties. The solid-state electrolyte can comprise a monolithic SSE body, a mesoporous SSE body, or an inorganic SSE having fibers et strands, which may be aligned. In the case of solid-state electrolytes that have strands, the strands can be formed using a sacrificial template. The hybrid solid-state electrolytes can be used in ion-conducting batteries, which may be flexible, ion-conducting batteries.

The present application relates to field of cathode material, and a cathode material and a method for preparing the same, a lithium ion battery provided, where the cathode material includes an active material having a chemical formula Lia(NixCoyRz)1-bMbO2, where 0.9≤a≤1.10, x+y+z=1, 0.8≤x≤0.99, 0≤y≤0.15, 0≤z≤0.1, 0≤b≤0.1; R includes Al and / or Mn, M includes a metal element; and a coating layer on surface of the active material, where the coating layer includes a phosphate compound; the cathode material has a particle hardness of Cs≥50 Mpa and satisfies the following: Cs10 / Cs50≥0.7; where Cs10 is hardness of particles with a particle size D10, and Cs50 is hardness of particles with a particle size D50. The cathode material and method for preparing the same, lithium ion battery provided, which improve coating uniformity, precisely control coating amount, improve rate and cycling performance of lithium ion battery, and reduce production costs.

The present invention provides an ion-conducting solid containing an oxide characterized by the general formula Li 6+a-c-2d Y 1-a-b-c-d M1 a M2 b M3 c M4 d B3O9 is represented. (In the formula, M1 represents at least one metallic element selected from a group consisting of Mg, Mn, Zn, Ni, Ca, Sr, and Ba; M2 represents at least one metallic element selected from a group consisting of La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, In, and Fe; M3 represents at least one metallic element selected from a group consisting of Hf, Sn, and Ti; M4 represents at least one metallic element selected from a group consisting of Nb and Ta; and a, b, c, and d represent real numbers, each within certain ranges, while satisfying 0.010 ≤ a + b + c + d < 1.000.)

Provided is an electrode composite material for a secondary battery that can satisfy both the electronic conductivity and the ionic conductivity at a high level and thus effectively increase the battery characteristics. An electrode composite material for a secondary battery contains a positive-electrode active material and a conductive agent, the positive-electrode active material containing: (i) at least one transition metal element selected from the group consisting of Cr, Fe, Mn, Co, Ni, Ti, and Nb; (ii) at least one element selected from the group consisting of P, Si, and B; and (iii) an element consisting of O, the conductive agent containing a fibrous carbon.

A method for producing a halide solid electrolyte according to the present disclosure comprises (A) subjecting an oxide mixture that contains a composite oxide containing Li and Ti and an oxide starting material containing Li and M to a halogenation treatment so as to obtain a halide solid electrolyte which contains Li, Ti, M, and X. Here, M represents at least one element that is selected from the group consisting of metal elements (excluding Li and Ti) and metalloid elements, and X represents at least one element that is selected from the group consisting of F, Cl, Br, and I.

To provide a solid electrolyte capable of improving the initial charge-discharge efficiency of an all-solid-state battery.SOLUTION: A solid electrolyte is represented by formula (1): AaAlbZr1-b+αGcOdXe. In the formula (1), A represents one or more elements selected from the group consisting of Li, K, and Na; G represents one or more elements selected from the group consisting of Mg, Ca, Sr, Ba, Y, Yb, Sc, La, Ce, Hf, Ta, W, and Nb; X represents one or more elements selected from the group consisting of F, Cl, Br, and I; the value a satisfies 0.1<a<2+b+β; b satisfies 0.1≤b≤0.9; c satisfies 0≤c<0.5; d satisfies 0.01<d<3; e satisfies 2.5<e<6.1; α satisfies -0.5<α<0.3; and β is a value corresponding to the valence of element G.SELECTED DRAWING: Figure 1

The invention relates to a method for producing mayenite, comprising the following sequential steps: a) preparing a feed suitable for obtaining, at the end of step c), a product comprising more than 90% mayenite in percentage by weight based on the weight of the crystalline phase, said mayenite comprising calcium and / or strontium, aluminum and oxygen; b) melting the feedstock until a molten material is obtained; c) cooling the molten material in order to solidify the molten material and obtain a polycrystalline fused product; the melting is carried out using an electric arc furnace and in a reducing medium.

The present disclosure relates to the technical field of solar cells, and discloses a composite TCO thin film, a heterojunction solar cell, and a photovoltaic assembly. The composite TCO thin film comprises a first TCO layer, a second TCO layer, and a mixed layer, stacked sequentially; the mixed layer comprises multiple conductive regions and multiple anti-reflection regions, the conductive regions and the anti-reflection regions both being in contact with the second TCO layer, and the conductive regions and the anti-reflection regions being alternatingly arranged.

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.

Provided is a novel solid electrolyte material of high density and high ionic conductivity, and an all-solid-state lithium ion secondary battery that utilizes the solid electrolyte material. The solid electrolyte material has a chemical composition represented by Li7-3xGaxLa3Zr2O12 (0.08≤x<0.5), has a relative density of 99% or higher, belongs to space group I-43d, in the cubic system, and has a garnet-type structure. The lithium ion conductivity of the solid electrolyte material is 2.0×10−3 S / cm or higher. The solid electrolyte material has a lattice constant a such that 1.29 nm≤a≤1.30 nm, and lithium ions occupy the 12a site, the 12b site and two types of 48e site, and gallium occupies the 12a site and the 12b site, in the crystal structure. The all-solid-state lithium ion secondary battery has a positive electrode, a negative electrode, and a solid electrolyte. The solid electrolyte is made up of the solid electrolyte material of the present invention.

A solid electrolyte ceramic having a chemical composition represented by a specific general formula, and further including one or more transition metal elements selected from Co, Ni, Mn, and Fe, and having a garnet-type crystal structure in which a content X of Li and a content Y of D1 representing one or more elements selected from Ta, Nb, and Bi are each within specific ranges.

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.

Provided are: a new compound exhibiting hydride ionic conduction performance with high conductivity; a method for producing the same; and a use for batteries or the like using the same.　A compound represented by general formula (I).　(I): Ba1.75-xSrxLiHaOb (In the formula, x represents a number satisfying 0<x≤1.65, b represents a number satisfying 0<b≤1.5, and a represents a number satisfying charge compensation for b.)

A hydrophobic conductive film (10), a preparation method therefor, and a use thereof, relating to the technical field of semiconductor preparation. The method comprises the following steps: 1) performing a pre-zincation treatment on a surface of a substrate (20), and forming a saturated zinc atom layer (11); 2) alternately feeding a zinc precursor and an oxygen precursor into a reaction chamber and introducing an inert gas for purging, and growing a zinc oxide film layer (12) on a surface of the saturated zinc atom layer (11); 3) performing a post-zincation treatment on the zinc oxide film layer (12) to form a zincated transition layer (13); 4) performing a fluorination post-treatment on the zincated transition layer (13) and forming a zinc fluoride surface layer (14). The prepared hydrophobic conductive film (10) has the characteristics of strong hydrophobicity, good adhesion to the substrate, high film reliability, good film density, precise and controllable thickness, good film uniformity, high step coverage, and high optical transmittance. Compared with microstructures, the hydrophobic conductive film has greater stability, is compatible with various semiconductor packaging processes, effectively resists environmental interference, and can be applied in various hydrophobic scenarios.

To provide an all-solid-state battery having high initial charge-discharge efficiency.SOLUTION: A solid electrolyte material comprises Li, Zr, X, O, and P, wherein X is one or more elements selected from the group consisting of F, Cl, Br, and I; the molar ratio of P to Zr is 0.05 or more to 1.50 or less; the molar ratio of X to Zr is 5.0 or more to 10.0 or less; the molar ratio of X to P is more than 5.0 and less than 100.0; and the molar ratio of O to P is 0.5 or more to 2.9 or less.SELECTED DRAWING: Figure 1

Provided is a solid electrolyte containing a boron oxide containing Li, an element R selected from the group consisting of Yb, Er, Ho, Tm and La, an element A selected from the group consisting of Al, Fe, Mn and Ga, and an element M selected from the group consisting of Zr and Ce.

A solid electrolyte according to the present invention includes, as a main component, a component where, using values a-f that are larger than 0, the compositional formula thereof is represented by Lia+dMbXcAeOf (wherein, M is an element that is trivalent when a cation, X is a halogen element, and A is elemental sulfur or elemental phosphorus), and 0.8c≤(a+3b)≤1.2c and 1.6f≤(d+n×e)≤2.4f (wherein, n is 4 or 6 when A is elemental sulfur, and n is 5 when A is elemental phosphorus) are satisfied. As a result, it is possible to provide a solid electrolyte having high temperature stability and high lithium ion conductivity.

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.)