Abstract: A solid electrolyte, in which an occupied impurity level that is formed by a part of elements contained in a mobile ion-containing material being substituted and that is occupied by electrons is included in a band gap of the mobile ion-containing material, and an amount of charge retention per composition formula of the occupied impurity level is equal to or greater than an amount of charge retention of mobile ions per composition formula of the mobile ion-containing material.

Abstract: Provided are a cathode active material for a lithium secondary battery, a cathode and a lithium secondary battery each including the same, and a method of manufacturing the same. The cathode active material for a lithium secondary battery includes a core including a lithium metal oxide and a coating layer formed on a surface and the inner grain boundaries of the core, wherein the coating layer includes a metal sulfide.

Abstract: This solid electrolyte is a zirconium phosphate-based solid electrolyte in which a part of phosphorous or zirconium that is contained in the solid electrolyte is substituted with an element with a variable valence.

Abstract: This solid electrolyte is a zirconium phosphate-based solid electrolyte in which a part of phosphorous or zirconium that is contained in the solid electrolyte is substituted with an element with a variable valence.

Abstract: A solid electrolyte, in which a part of an element contained in a mobile ion-containing material is substituted, and an occupied impurity level that is occupied by electrons or an unoccupied impurity level that is not occupied by electrons is provided between a valence electron band and a conduction band of the mobile ion-containing material, and a smaller energy difference out of an energy difference between a highest level of energy in the occupied impurity level and an energy and a LUMO level difference between a lowest level of energy in the unoccupied impurity level and a HOMO level is greater than 0.3 eV.

Abstract: This solid electrolyte is a zirconium phosphate-based solid electrolyte in which a part of phosphorous or zirconium that is contained in the solid electrolyte is substituted with an element with a variable valence.

Abstract: A solid electrolyte, in which a part of an element contained in a mobile ion-containing material is substituted, and an occupied impurity level that is occupied by electrons or an unoccupied impurity level that is not occupied by electrons is provided between a valence electron band and a conduction band of the mobile ion-containing material, and a smaller energy difference out of an energy difference between a highest level of energy in the occupied impurity level and an energy and a LUMO level difference between a lowest level of energy in the unoccupied impurity level and a HOMO level is greater than 0.3 eV.

Abstract: An electrolyte according to the present disclosure contains a lithium composite metal oxide represented by the following compositional formula. Li7-xLa3(Zr2-xAx)O12-yFy In the formula, 0.1?x?1.0, 0.0<y?1.0, and A represents two or more types of Ta, Nb, and Sb.

Abstract: A co-fired all-solid-state battery that includes a negative electrode, a solid electrolyte layer, and a positive electrode. The negative electrode contains a negative electrode active material and a garnet-type solid electrolyte. The negative electrode active material contains Li, V, and O. The negative electrode active material has a mole ratio (Li/V) of a Li content to a V content of 2.0 or more. The garnet-type solid electrolyte contains Li, La, Zr, and O.

Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuK? rays, it has a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peek B at 2?=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2<c+d<1.9??(1) 0.845<SA/SB<1.200??(A) where SA is an area of the diffraction peak A and SB is an area of the diffraction peak B.

Abstract: A garnet-type ion-conducting oxide configured to inhibit lithium carbonate formation on the surface of crystal particles thereof, and a method for producing an oxide electrolyte sintered body using the garnet-type ion-conducting oxide. The garnet-type ion-conducting oxide represented by a general formula (Lix-3y-z, Ey, Hz)L?M?O? (where E is at least one kind of element selected from the group consisting of Al, Ga, Fe and Si; L is at least one kind of element selected from an alkaline-earth metal and a lanthanoid element: M is at least one kind of element selected from a transition element which be six-coordinated with oxygen and typical elements in groups 12 to 15 of the periodic table; 3?x?3y?z?; 0?y?0.22; C?z?2.8; 2.5???3.5; 1.5???2.5; and 11???13), wherein a half-width of a diffraction peak which has a highest intensity and which is observed at a diffraction angle (2?) in a range of from 29° to 32° as a result of X-ray diffraction measurement using CuK? radiation, is 0.164° or less.

Abstract: A method for preparing a lithium ion solid-state accumulator comprising an anode, a cathode, and a solid-state electrolyte includes pressing and sintering pre-calcined electrolyte powder to an electrolyte layer. The pre-calcined electrolyte powder comprises at least one phosphate compound, at least one silicide compound, or at least one phosphorus sulfide. The method further includes applying, on both sides of the electrolyte layer, one electrode each. Prior to the application of the at least one electrode layer on a surface of the sintered electrolyte layer, first, at least one intermediate layer, and, then, on this intermediate layer, the electrode layer is applied. The at least one intermediate layer is a layer of electrolyte and anode material and/or a layer of electrolyte and cathode material.

Abstract: A solid-state battery includes an anode, a cathode, and a solid electrolyte between the anode and cathode. The anode or cathode includes bonded active material particles having thereon a mixed ionic and electronic conducting conformal interface layer that provides a transport path for ions and electrons during operation of the solid-state battery, and lacks solid electrolyte particles.

Abstract: The present invention provides an energy storage device comprising a cathode region or other element. The device has a major active region comprising a plurality of first active regions spatially disposed within the cathode region. The major active region expands or contracts from a first volume to a second volume during a period of a charge and discharge. The device has a catholyte material spatially confined within a spatial region of the cathode region and spatially disposed within spatial regions not occupied by the first active regions. In an example, the catholyte material comprises a lithium, germanium, phosphorous, and sulfur (“LGPS”) containing material configured in a polycrystalline state. The device has an oxygen species configured within the LGPS containing material, the oxygen species having a ratio to the sulfur species of 1:2 and less to form a LGPSO material.

Abstract: Provided is a sulfide solid electrolyte material which has a composition that does not contain Ge, while having a smaller Li content than conventional sulfide solid electrolyte materials, and which has both lithium ion conductivity and chemical stability at the same time. A sulfide solid electrolyte which has a crystal structure represented by composition formula (Li3.45+??4?Sn?)(Si0.36Sn0.09)(P0.55??Si?)S4 (wherein ??0.67, ??0.33 and 0.43<?+? (provided that 0.23<??0.4 when ?=0.2 and 0.13<??0.4 when ?=0.3 may be excluded)), or a crystal structure represented by composition formula Li7+?Si?P1??S6 (wherein 0.1??<0.3).

Abstract: An all-solid-state secondary battery has a positive electrode collector, a positive electrode active material layer, a negative electrode active material layer, a negative electrode collector, and a solid electrolyte. The solid electrolyte has an interlayer solid electrolyte located between the positive electrode active material layer and the negative electrode active material layer, and the all-solid-state secondary battery further includes a trapping layer that traps a metal of which at least one of the positive electrode collector and the negative electrode collector is formed.

Abstract: A method of treatment of a sample of lithium titanium thiophosphate LiTi2(PS4)3 including: (a) providing a solid sample of lithium titanium thiophosphate LiTi2(PS4)3, (b) compressing the lithium titanium thiophosphate sample provided in step (a) to form a compressed powder layer; and (c) sintering the lithium titanium thiophosphate obtained as a compressed powder layer in step (b) at a temperature of at least 200° C. and at most 400° C.

Abstract: The present invention provides an LGPS-based solid electrolyte production method characterized by having a step in which a mixture of Li3PS4 crystals having a peak at 420±10 cm?1 in a Raman measurement and Li4MS4 crystals (M being selected from the group consisting of Ge, Si, and Sn) is heat treated at 300-700° C. In addition, the present invention can provide an LGPS-based solid electrolyte production method characterized by having: a step in which Li3PS4 crystals having a peak at 420±10 cm?1 in a Raman measurement, Li2S crystals, and sulfide crystals indicated by MS2 (M being selected from the group consisting of Ge, Si, and Sn) are mixed while still having crystals present and a precursor is synthesized; and a step in which the precursor is heat treated at 300-700° C.

Abstract: The problem of the present invention is to provide a sulfide solid electrolyte material with favorable reduction resistance. The present invention solves the problem by providing a sulfide solid electrolyte material having a peak at a position of 2?=30.26°±1.00° in X-ray diffraction measurement using a CuK? ray, and having a composition of Li(4?x?4y)Si(1?x+y)P(x)S(4?2a?z)O(2a+z) (a=1?x+y, 0.65?x?0.75, ?0.025?y?0.1, ?0.2?z?0).

Abstract: (Problem to be Solved) The present application is to provide an all-solid-state lithium-sulfur battery that experiences little reduction in battery performance even after repeated charging/discharging cycling, does not generate toxic gas when damaged, and does not require addition of equipment or the like for management of moisture or oxygen concentration; and a production method for the all-solid-state lithium-sulfur battery. (Means for Solution) The present invention uses a positive electrode that contains sulfur and a conductive material, a negative electrode that contains lithium metal, and, as an electrolyte layer that is interposed between the positive electrode and the negative electrode, an oxide solid electrolyte to achieve a high-performance all-solid-state lithium-sulfur battery.

Abstract: Provided are an all-solid state secondary battery including inorganic solid electrolyte particles having conductivity for ions of metals belonging to Group I or II of the periodic table; and electrode active material particles, in which a proportion of a nitrogen element in an element composition of a surface of at least one kind of the inorganic solid electrolyte particles or the electrode active material particles is 0.1 atm % or more, particles for an all-solid state secondary battery, a solid electrolyte composition for an all-solid state secondary battery for which the particles are used, an electrode sheet for an all-solid state secondary battery, and an all-solid state secondary battery, and methods for manufacturing the same.

Abstract: Provided is a lithium ion secondary battery with reduced battery resistance, this lithium ion secondary battery using a positive electrode active material with a high potential and a phosphate-based solid electrolyte. The lithium ion secondary battery disclosed herein includes a positive electrode, a negative electrode, and a nonaqueous electrolytic solution. The positive electrode has a positive electrode active material layer including a positive electrode active material having an operation upper limit potential of at least 4.6 V relative to metallic lithium and a phosphate-based solid electrolyte. The nonaqueous electrolytic solution includes a boric acid ester including a fluorine atom.

Abstract: Provided is a method of producing a sulfide solid electrolyte which brings low costs, and large sulfur reducing effect, the method comprising heat-treating material for a sulfide solid electrolyte at a temperature no less than a melting point of elemental sulfur while vibrating the material.

Abstract: A sulfide solid electrolyte material having high Li ion conductivity can be obtained by providing a method for producing a sulfide solid electrolyte material that has peaks at 2?=20.2° and 2?=23.6° in an X ray diffraction measurement using a CuK? ray, the method including steps of: an amorphizing step of obtaining sulfide glass by amorphization of a raw material composition that includes at least Li2S, P2S5, LiI and LiBr and a heat treatment step of heating the sulfide glass at a temperature of 195° C. or higher.

Abstract: An electrolyte according to the invention includes a crystalline first electrolyte portion which contains a lithium composite metal oxide represented by the compositional formula (1). (Li7?3xGax)(La3?yNdy)Zr2O12??(1) In the formula, x and y satisfy the following formulae: 0.1?x?1.0 and 0.01?y?0.2.

Abstract: A glass-ceramic includes an oxide containing lithium (Li), silicon (Si), and boron (B) and has an X-ray diffraction spectrum with two or more peaks appearing in the range 20°?2??25° and with two or more peaks appearing in the range 25°<2??30°.

Abstract: A process for making a superionic conducting salt includes: combining a primary salt and an impact member, the primary salt including an ordered phase and being an ionic conductor; impacting the primary salt with the impact member; and converting the primary salt to the superionic conducting salt in response to impacting the primary salt with the impact member at a conversion temperature to make the superionic conducting salt, the conversion temperature optionally being less than a thermally activated transition temperature that thermally converts the primary salt to the superionic conducting salt in an absence of the impacting the primary salt, and the superionic conducting salt including a superionic conductive phase in a solid state at less than the thermally activated transition temperature.

Abstract: An all-solid-state lithium secondary battery includes a positive electrode; a negative electrode; and a solid electrolyte arranged between the positive and negative electrodes, to conduct lithium ions. In the all-solid-state lithium secondary battery, a mixed layer is in close contact with a surface of the solid electrolyte adjacent to the positive electrode, the mixed layer containing the positive-electrode active material and (Lix(1??), Mx?/?)?+(B1?y, Ay)z+O2?? (wherein in the formula, M and A each represent at least one or more elements selected from C, Al, Si, Ga, Ge, In, and Sn, ? satisfies 0??<1, ? represents the valence of M, ? represents the average valence of (Li+x(1??), M?), y satisfies 0?y<1, z represents the average valence of (B1?y, Ay) and x, ?, ?, ?, z, and ? satisfy the relational expression (x(1??)+x?/?)?+z=2?) serving as a matrix.

Abstract: Provided is an aluminum secondary battery comprising an anode, a cathode, and an electrolyte in ionic contact with the anode and the cathode to support reversible deposition and dissolution of aluminum at the anode, wherein the anode contains aluminum metal or an aluminum metal alloy as an anode active material and the cathode comprises a cathode active layer of an exfoliated graphite or carbon material having inter-flake pores from 2 nm to 10 ?m in pore size (preferably from 2 nm to 20 nm, more preferably from 2 nm to 10 nm, and most preferably from 2 to 5 nm). Such an aluminum battery delivers a high energy density, high power density, and long cycle life.

Abstract: A sulfide solid electrolyte material has favorable ion conductivity and resistance to reduction. The sulfide solid electrolyte material includes a peak at a position of 2?=29.86°±1.00° in X-ray diffraction measurement using a CuK? ray, and a composition of Li2y+3PS4 (0.1?y?0.175).

Abstract: An oxide all-solid-state battery excellent in lithium ion conductivity and joint strength between an anode active material layer and solid electrolyte layer thereof. In the oxide all-solid-state battery, the solid electrolyte layer is a layer mainly containing a garnet-type oxide solid electrolyte sintered body represented by the following formula (1): (Lix-3y-z, Ey, Hz)L?M?O?; a solid electrolyte interface layer is disposed between the anode active material layer and the solid electrolyte layer; the solid electrolyte interface layer contains at least a Si element and an O element; and a laminate containing at least the anode active material layer, the solid electrolyte interface layer and the solid electrolyte layer has peaks at positions where 2?=32.3°±0.5°, 37.6°±0.5°, 43.8°±0.5°, and 57.7°±0.5° in a XRD spectrum obtained by XRD measurement using CuK? irradiation.

Abstract: A solid electrolyte material represented by Formula 1: L1+2x(M1)1?x(M2)(M3)4??Formula 1 wherein 0.25<x<1, L is at least one element selected from a Group 1 element, M1 is at least one element selected from a Group 2 element, a Group 3 element, a Group 12 element, and a Group 13 element, M2 is at least one element selected from a Group 5 element, a Group 14 element, and a Group 15 element, and M3 is at least one element selected from a Group 16 element, and wherein the solid electrolyte material has an I-4 crystal structure.

Abstract: A forming solution for forming a layer containing a solid electrolyte for an all-solid-state alkali metal secondary battery comprising a component derived from A2S and MxSy (A is selected from Li and Na; M is selected from P, Si, Ge, B, Al and Ga; and x and y are a number that gives a stoichiometric ratio in accordance with a species of M) as a starting material for manufacturing the solid electrolyte, a nonpolar organic solvent and a polar organic solvent having a polarity value higher than that of the nonpolar organic solvent by 0.3 or more.

Abstract: A vehicle traction battery includes a battery cell, the battery cell including a cathode, and anode, and a separator the anode and cathode. The separator includes at least one protective layer that is impermeable to polysulfides and at least one ion-conducting conductive layer whose composition is different than that of the protective layer and that is designed as a copolymer which includes a stabilizing phase and an ionically conductive phase, the protective layer including an inorganic substance.

Abstract: A structure for use in an energy storage device, the structure comprising a backbone system extending generally perpendicularly from a reference plane, and a population of microstructured anodically active material layers supported by the lateral surfaces of the backbones, each of the microstructured anodically active material layers having a void volume fraction of at least 0.1 and a thickness of at least 1 micrometer.

Abstract: The main object of the present invention is to provide a sulfide solid electrolyte material having favorable ion conductivity and high stability against moisture. The present invention solves the above-mentioned problem by providing a sulfide solid electrolyte material comprising an M1 element (such as Li element), an M2 element (such as Ge element, Sn element and P element) and a S element, and having a peak at a position of 2?=29.58°±0.50° in X-ray diffraction measurement using a CuK? ray, characterized in that when a diffraction intensity at the above-mentioned peak of 2?=29.58°±0.50° is regarded as IA and a diffraction intensity at a peak of 2?=27.33°±0.50° is regarded as IB, a value of IB/IA is less than 0.50, and the M2 contains at least P and Sn.

Abstract: An object of the invention is to provide a sulfide solid electrolyte material with high heat stability. In the invention, the object is achieved by providing a sulfide solid electrolyte material comprising an ion conductor having (i) a Li element and (ii) an anion structure containing at least a P element, wherein a main component of the anion structure is PS43?, and the ion conductor has the PS43? and PS3O3? as the anion structure, but has neither PS2O23? nor PSO33?.

Abstract: Disclosed is method of preparing a selenium carbon composite material and a use of the selenium carbon composite material in a cathode of a lithium selenium secondary battery. A battery formed with a cathode of the disclosed selenium carbon composite material has high energy density and stable electrochemical performance. The disclosed selenium carbon composite material can effectively shorten the migration distance of lithium ions during charging and discharging of the battery and improve conductivity and utilization of selenium after compounding carbon and selenium. Multiple batteries formed with cathodes of the disclosed selenium carbon composite material can be assembled into a lithium selenium pouch-cell battery having stable electrochemical performance and high energy density.

Abstract: A problem of the present invention is to provide a lithium solid battery in which generation of short-circuits caused by dendrite is inhibited. The present invention solves the problem by providing a lithium solid battery comprising a solid electrolyte layer having a sulfide glass containing an ion conductor which has a Li element, a P element and a S element, and having an average pore radius calculated by mercury press-in method being 0.0057 ?m or less.

Abstract: A lithium secondary battery including: a positive electrode, a negative electrode, and a sulfide solid electrolyte disposed between the positive electrode and the negative electrode, wherein the positive electrode includes a positive active material particle and a coating film including an oxide including lithium (Li) and zirconium (Zr) on a surface of the positive active material particle.

Abstract: The main object of the present disclosure is to provide a composite active material with a capability of improving a battery output. The present disclosure achieves the object by providing a composite active material comprising: an oxide active material, an oxide solid electrolyte layer that coats a surface of the oxide active material, and a sulfide solid electrolyte layer that coats a surface of the oxide solid electrolyte layer; wherein the sulfide solid electrolyte layer has a specific surface area in a range of 1.06 m2/g to 1.22 m2/g, and a thickness the sulfide solid electrolyte layer is in a range of 15 nm to 25 nm.

Abstract: [Problem to be Solved] An object is to provide a solid electrolyte which is improved in relative density while having favorable lithium-ion conductivity and which can be preferably employed in a lithium-air battery and the like, and a method of manufacturing the same. [Solution] In a solid electrolyte satisfying formula (I): Li1+XM1XM2YTi2?X?Y(PO4)3??(I) (in formula (I), M1 is one or more elements selected from the group consisting of Al3+, Cu3+, Co3+, Fe3+, Ni3+, Ga3+, Cr3+, and Sc3+, M2 is one or more elements selected from the group consisting of Si4+, Ge4+, Sn4+, Hf4+, and Zr4+, and X and Y are real numbers satisfying X+Y?1), the solid electrolyte has a NASICON-type crystal structure, and lattice constants of the NASICON-type crystal structure are such that a length along an a-axis is 0.8 nm or more and a length along a c-axis is 2.8 nm or less.

Abstract: The present disclosure relates to garnet powder, a manufacturing method thereof, a solid electrolyte sheet using a hot press, and a manufacturing method thereof. In particular, the present disclosure provides a method for manufacturing Li7La3Zr2O12 (LLZ) garnet powder including preparing a mixture by first dry mixing Li2CO3, La2O3, ZrO2, and Al2O3. The mixture is first calcinated for 5 to 7 hours in a temperature range of 800 to 1000° C. The calcinated mixture is ground to a powder with an average particle size of 1 to 4 ?m through dry grinding. A cubic-phased LLZ garnet powder is prepared by second calcinating the ground mixture for 10 to 30 hours in a temperature range of 1100 to 1300° C.

Abstract: The present invention relates to heterogeneous acid catalysts comprising or consisting of mixed metal salts, of lithium and aluminum phosphates and sulfates, and combinations with metallic cations, such as magnesium, titanium, zinc, zirconium and gallium, to provide adequate Lewis acidity; organic or inorganic porosity promoters, such as polysaccharides; and agglomerates, such as clays, kaolin and metal oxides of the type MxOy, where; M=Al, Mg, Sr, Zr or Ti, and other metals of groups IA, IIA and IVB, x=1 or 2 and y=2 or 3, for the formation of particles. A process is disclosed for obtaining from the catalyst by the hydrolysis of aluminum lithium hydride with water and oxygenated solvent, such as an ether. The catalysts are used in batch reactor and continuous flow systems in reactions that require moderate Lewis acidity, such as refining, petrochemical and general chemistry, including the transesterification of glycerides to produce alkyl esters.

Abstract: A composite active material including composite particles and a sulfide-based solid electrolyte is proposed. The composite particles contain active material particles and an oxide-based solid electrolyte. The active material particles contain at least any one of a cobalt element, a nickel element and a manganese element and further contain a lithium element and an oxygen element. The oxide-based solid electrolyte coats all or part of a surface of each of the active material particles. The sulfide-based solid electrolyte further coats 76.0% or more of a surface of each of the composite particles.

Abstract: Provided is a sulfide-based solid electrolyte, including: a Na element; a Ge element; a P element; and a S element, wherein an atomic percentage (at. %) of each of the Na element, the Ge element, the P element, and the S element is as follows when a total of the respective elements is 100 at. %, Na: from 38.8 at. % to 48.4 at. % Ge: from 0.5 at. % to 8.9 at. % P: from 3.9 at. % to 7.9 at. % S: from 43.6 at. % to 48.6 at. %.

Abstract: Provided is a solid electrolyte with which charge/discharge efficiency and cycle characteristics can be increased by reducing the electron conductivity of a compound which has a cubic crystal structure belonging to a space group F-43m, and is represented by Compositional Formula: Li7-xPS6-xHax (Ha is Cl or Br). Proposed is a sulfide-based solid electrolyte for a lithium ion battery, which includes a compound having a cubic crystal structure belonging to a space group F-43m, and being represented by Compositional Formula: Li7-xPS6-xHax (Ha is Cl or Br), in which x in the above Compositional Formula is 0.2 to 1.8, and the value of the lightness L* thereof in the L*a*b* color system is 60.0 or more.

Abstract: A structure for use in an energy storage device, the structure comprising a backbone system extending generally perpendicularly from a reference plane, and a population of microstructured anodically active material layers supported by the lateral surfaces of the backbones, each of the microstructured anodically active material layers having a void volume fraction of at least 0.1 and a thickness of at least 1 micrometer.

Abstract: A positive electrode active material for a lithium ion secondary cell, in which the amount of a transition metal present in the vicinity of the outermost surface thereof is significantly decreased is provided. A solid electrolyte-coated positive electrode active material powder contains particles of a positive electrode active material for lithium ion secondary cell, containing a composite oxide of Li and a transition metal M, having on a surface thereof a coating layer of a solid electrolyte represented by Li1+XAlXTi2?X(PO4)3, wherein 0 £ X £ 0.5. An average proportion of a total atom number of Al, Ti and P in a total atom number of Al, Ti, M and P within an etching depth of 1 nm from the outermost surface determined by analysis in a depth direction with XPS is 50% or more. The transition metal M is, for example, at least one kind of Co, Ni and Mn.

Abstract: The present invention relates to a method for producing lithium aluminum titanium phosphates of the general formula Li1+xTi2?xAlx(PO4)3, wherein x is ?0.4, a method for their production as well as their use as solid-state electrolytes in lithium ion accumulators.