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3188 results about "All solid state" patented technology
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Garnet-type lithium ion-conducting oxide and all-solid-state lithium ion secondary battery containing the same
ActiveUS20110244337A1Improve lithium ion conductivitySmall rate of changeSolid electrolyte cellsElectrolytesAll solid stateIntensity normalization
An all-solid-state lithium ion secondary battery containing a novel garnet-type oxide serving as a solid electrolyte. The garnet-type lithium ion-conducting oxide is one represented by the formula Li5+XLa3(ZrX, A2-X)O12, wherein A is at least one selected from the group consisting of Sc, Ti, V, Y, Nb, Hf, Ta, Al, Si, Ga, Ge, and Sn and X satisfies the inequality 1.4≦X<2, or is one obtained by substituting an element having an ionic radius different from that of Zr for Zr sites in an garnet-type lithium ion-conducting oxide represented by the formula Li7La3Zr2O12, wherein the normalized intensity of an X-ray diffraction (XRD) pattern with a diffraction peak, as normalized on the basis of the intensity of a diffraction peak, is 9.2 or more.
Owner:TOYOTA CENT RES & DEV LAB INC
Garnet materials for li secondary batteries and methods of making and using garnet materials
Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and / or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and / or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device. Also, the methods set forth herein disclose novel sintering techniques, e.g., for heating and / or field assisted (FAST) sintering, for solid state energy storage devices and the components thereof.
Owner:QUANTUMSCAPE BATTERY INC
Flexible solid electrolyte, all-solid-state lithium battery including the flexible solid electrolyte, and method of preparing the flexible solid electrolyte
InactiveUS20140170504A1Improve ionic conductivityFinal product manufactureAbrasion apparatusAll solid stateComposite electrolyte
A flexible solid electrolyte includes a first inorganic protective layer, an inorganic-organic composite electrolyte layer including an inorganic component and an organic component, and a second inorganic protective layer, where the inorganic-organic composite electrolyte layer is disposed between the first inorganic protective layer and the second inorganic protective layer, and the inorganic component and the organic component collectively form a continuous ion conducting path.
Owner:SAMSUNG ELECTRONICS CO LTD
Garnet materials for li secondary batteries and methods of making and using garnet materials
Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and / or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and / or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device. Also, the methods set forth herein disclose novel sintering techniques, e.g., for heating and / or field assisted (FAST) sintering, for solid state energy storage devices and the components thereof.
Owner:QUANTUMSCAPE BATTERY INC
Organic-inorganic all-solid-state composite electrolyte as well as preparation and application methods thereof
PendingCN106785009AIncrease transport activityImprove wettabilitySolid electrolytesSecondary cellsElectrical conductorComposite electrolyte
The invention relates to organic-inorganic all-solid-state composite electrolyte as well as preparation and application methods thereof, belonging to the field of lithium ion batteries. According to the organic-inorganic all-solid-state composite electrolyte, a highly-ordered three-dimensional connection network skeleton is formed by an inorganic fast lithium ion conductor, and a three-dimensional connection network is filled with a polymer and lithium salt. The organic-inorganic all-solid-state composite electrolyte which is flexible and has a controllable three-dimensional connection network structure is prepared. The electrolyte is high in lithium ion conductivity, wide in electrochemical window, good in mechanical property and stable to lithium metal. A lithium ion secondary battery assembled by a composite electrolyte membrane prepared by the method is high in capacity, stable in cycle performance, low in interface impedance and good in interface stability.
Owner:UNIV OF SCI & TECH BEIJING
Garnet materials for li secondary batteries and methods of making and using garnet materials
Disclosed herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also disclosed herein are lithium-stuffed garnet thin films having fine grains therein. Also disclosed herein are methods of making and using lithium-stuffed garnets as catholytes, electrolytes and / or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are electrochemical devices which incorporate these garnet catholytes, electrolytes and / or anolytes. Also disclosed herein are methods for preparing dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device. Also disclosed herein are sintering techniques, e.g., for heating and / or field assisted (FAST) sintering, for solid state energy storage devices and the components thereof.
Owner:QUANTUMSCAPE CORP
Manufacturing method of all solid state power lithium ion battery
ActiveCN108232318AReduce interface resistanceImprove securitySolid electrolytesFinal product manufactureHigh energyAdhesive
The invention discloses a manufacturing method of an all solid state power lithium ion battery. The manufacturing method comprises the steps of dissolving an anode active material, a conductive agent,an adhesive and a polymer electrolyte in a solvent, so as to prepare an anode sizing agent, applying the anode sizing agent to an anode current collector, performing thermal treatment and rolling treatment so as to obtain an anode piece; then dissolving a cathode material, a conductive agent, an adhesive and a polymer electrolyte in a solvent, so as to prepare a cathode sizing agent, applying thecathode sizing agent to a cathode current collector, and performing thermal treatment and rolling treatment so as to obtain a cathode piece; dissolving a polymer electrolyte, a filler and lithium salt in a solvent, so as to prepare an electrolyte solution; applying the electrolyte solution to the surface of the anode piece or the cathode piece, and performing thermal treatment to obtain an anodepiece or a cathode piece with an electrolyte layer; and finally, assembling the anode piece and the cathode piece in a winding or superposing manner, so as to prepare the all solid state lithium ion battery. The all solid state lithium battery prepared by the method has the advantages of lower interface resistance, higher energy density, high security and the like.
Owner:SHAANXI COAL & CHEM TECH INST
Apparatus and method of remote gas trace detection
Owner:GAS TECH INST
All-solid state lithium ion battery composite positive electrode material and preparation method thereof, and all-solid state lithium ion battery
ActiveCN103633329AImprove cycle lifeImprove discharge capacityCell electrodesSecondary cellsSolid state electrolyteTitanium disulfide
Embodiments of the present invention provide an all-solid state lithium ion battery composite positive electrode material, which comprises a positive electrode active material and a cladding layer arranged on the surface of the positive electrode active material, the positive electrode active material is one or a plurality of materials selected from a lithium cobalt oxide, lithium nickelate, lithium manganate, lithium iron phosphate, lithium nickel cobalt manganese, vanadium pentoxide, molybdenum trioxide and titanium disulfide, and the cladding layer material is one or a plurality of lithium-containing transition metal oxides. According to the present invention, with the cladding layer, formation of the space charge layer can be effectively inhibited, the electrode / inorganic solid state electrolyte interface can be improved, and the interface resistance of the all-solid state lithium ion battery can be easily reduced so as to improve cycle stability and durability of the all-solid state lithium ion battery. Embodiments of the present invention further provide a preparation method for the all-solid state lithium ion battery composite positive electrode material, and an all-solid state lithium ion battery containing the all-solid state lithium ion battery composite positive electrode material.
Owner:泰州市海通资产管理有限公司
All solid-state omni directional luminary and flashlight
InactiveUS6371625B2Guaranteed normal transmissionLight source combinationsLighting elementsCamera lensAll solid state
A laser lens glow baton is a hand held, dual purpose, visual signaling baton. This device can be used as a flashlight that projects a well-defined beam of light via its laser lens and assembly or as a highly visible luminary that radiates an intense flux of light similar to neon tube. The laser lens glow baton is useful as a visual-signaling device because the colors of the main body and the colors of the projected beam emitted from the laser lens assembly are easily changed. The laser lens glow baton may be easily fabricated in different lengths because of its compartmentalization of the components.
Owner:GRACE INDS
Polycarbonate all-solid-state polymer electrolyte, all-solid-state secondary lithium battery made of same and preparation and application thereof
The invention relates to solid-state electrolytes, in particular to a polycarbonate all-solid-state polymer electrolyte, an all-solid-state secondary lithium battery made of the same and preparation and application thereof. The all-solid-state polymer electrolyte is prepared from polycarbonate macromolecules, lithium salt and a porous supporting material; the thickness is 20-800 micrometers, the mechanical strength is 10-80 MPa, the room temperature ion conductivity is 2*10<-5>S / cm-1*10<-3>S / cm, and the electrochemical window is higher than 4V. The all-solid-state polymer electrolyte is easy to prepare and form, good in mechanical property, high in ion conductivity and wide in electrochemical window; meanwhile, the solid-state electrolyte effectively inhibits growth of negative electrode lithium dendrites and improves interface stability and long circulation performance.
Owner:QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
All-solid state battery, electrode for all-solid state battery, and method of manufacturing the same
InactiveUS20160233510A1Improve contact qualityImprove discharge performanceNon-aqueous electrolyte accumulatorsElectrode thermal treatmentAll solid stateEngineering
Provided are an all-solid state battery with a better quality of contact among particles of an active material and with an enhanced discharge capacity; an electrode for an all-solid state battery; and a method of manufacturing the same. The all-solid state battery is manufactured through the steps of: causing a deliquescent solid electrolyte to deliquesce, the deliquescent solid electrolyte having ionic conductivity, electronic conductivity and a deliquescent property; preparing an electrode mixture by mixing the deliquescent solid electrolyte having deliquesced and an active material together; heat-treating and shaping the electrode mixture to produce an electrode; and bonding the thus-produced electrode and a solid electrolyte layer with the solid electrolyte layer interposed between the electrode and another electrode which are paired to serve as a positive electrode and a negative electrode.
Owner:HITACHI LTD
Method for producing solid electrolyte structure, method for producing all-solid-state cell, solid electrolyte structure, and all-solid-state cell
InactiveUS20090226790A1Excellent connection interfaceSimple interfaceElectrode thermal treatmentFinal product manufactureAll solid stateHeat treated
A first fine particle-containing solution is deposited on an appropriate substrate, and dried to form a first fine particle aggregate layer. Polymer particles are deposited on the first fine particle aggregate layer, and are supplied with a second fine particle-containing solution such that the polymer particles are immersed in the second fine particle-containing solution. The second fine particle-containing solution is dried to form a second fine particle aggregate layer containing a large number of the polymer particles embedded. A first structure precursor is completed at this stage. Then, the first structure precursor is separated from the substrate, and thermally treated. Thus, the production of a first solid electrolyte structure, which has a porous solid electrolyte portion and a dense solid electrolyte portion integrated, is completed.
Owner:TOKYO METROPOLITAN UNIVERSITY +1
All-Solid-State Cell
InactiveUS20150037688A1Improve charge and discharge cycle characteristicsIncrease capacitySolid electrolytesElectrode thermal treatmentAll solid stateCrystal plane
An all-solid-state cell contains at least a positive electrode layer, a solid electrolyte layer, and a negative electrode layer, which are arranged in a stack. The positive electrode layer contains only a positive electrode active material, and a predetermined crystal plane of the positive electrode active material is oriented in a direction of lithium ion conduction. The negative electrode layer contains a carbonaceous material, and the volume ratio of the carbonaceous material to the negative electrode layer is 70% or greater.
Owner:NGK INSULATORS LTD
Solid electrolyte structure for all-solid-state battery, all-solid-state battery, and their production methods
InactiveUS20090226816A1Excellent charge and discharge characteristicsReduce contact resistanceFinal product manufactureSolid electrolyte cellsAll solid statePorous layer
A solid electrolyte structure (1) for all-solid-state batteries includes a plate-like dense body (2) formed of a ceramic that includes a solid electrolyte, and a porous layer (3) formed of a ceramic that includes a solid electrolyte that is the same as or different from the solid electrolyte of the dense body (2), the porous layer (3) being integrally formed on at least one surface of the dense body (2) by firing. The solid electrolyte structure can reduce the contact resistance at the interface between the solid electrolyte and an electrode.
Owner:NGK INSULATORS LTD +1
Amorphous ionically-conductive metal oxides, method of preparation, and battery
A method for forming an amorphous ionically conductive metal oxide, such as lithium lanthanum zirconium oxide (LLZO), by chemical vapor deposition (CVD), as well as to the ionically conductive material formed by the method, are provided. Such a material may be utilized as a solid electrolyte and / or as a solid separator in an all solid state lithium battery.
Owner:JOHNSON IP HLDG LLC
Anode active material, preparation method of anode active material, high-performance anode slurry containing anode active material, and all-solid-state lithium ion battery
ActiveCN106784798AImprove mobilityImprove electrochemical performanceCell electrodesSecondary cellsInorganic compoundSulfide
The invention relates to an anode active material, a preparation method of the anode active material, high-performance anode slurry containing the anode active material, and an all-solid-state lithium ion battery. The anode active material is a nickel-rich type core-shell structure particle or a nickel-rich type core-shell structure particle coated with an inorganic compound coating layer at the surface; an inner core of the nickel-rich type core-shell structure particle is LiNixCoyMn1-x-yO2; the shell is nickel cobalt lithium aluminate. The invention also provides the high-performance anode slurry, which comprises the anode active material, a composite conductive agent, a composite bonding agent, an additive and an organic solvent, wherein the additive is sulfide solid electrolyte; the anode slurry is used for preparing an anode plate consisting of an anode current collector, an anode slurry layer and a modification layer; the anode plate, the sulfide solid electrolyte and a cathode plate are assembled into the all-solid-state lithium ion battery. The all-solid-state lithium ion battery has the prominent advantages of high mass specific energy, high volumetric specific energy, good rate capability, good cycle performance, high safety and the like, and has wide application prospects.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI
All-solid-state lithium secondary battery and method for producing the same
ActiveUS20140162113A1Increase energy densityLow melting pointElectrode thermal treatmentFinal product manufactureAll solid stateClose contact
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−α), Mxα / β)γ+(B1−y, Ay)z+O2−δ (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, α satisfies 0≦α<1, β represents the valence of M, γ represents the average valence of (Li+x(1−α), Mα), y satisfies 0≦y<1, z represents the average valence of (B1−y, Ay) and x, α, β, γ, z, and γ satisfy the relational expression (x(1−α)+xα / β)γ+z=2δ) serving as a matrix.
Owner:TOYOTA CENT RES & DEV LAB INC
All-solid-state lithium battery
InactiveUS20120028128A1Improve securityImprove output characteristicsCell electrodesSolid electrolyte cellsAll solid stateRare-earth element
There is provided an all-solid lithium battery having excellent output characteristics. The battery has a cathode, an electrolyte layer, and an anode. The cathode contains a cathode active material represented by formula (1) and a sulfide solid electrolyte, and the electrolyte layer contains a sulfide solid electrolyte:LiaNibCocMndMeOf+σ (1)(1.01≦a≦1.05; f: 2 or 4; σ: not less than −0.2 and not more than 0.2; M: Mg, Ca, Y, rare earth elements, etc.; provided that when f=2, 0≦b≦1, 0≦c≦1, 0≦d≦1, 0≦e≦0.5, and b+c+d+e=1; when f=4, 0≦b≦2, 0≦c≦2, 0≦d≦2, 0≦e≦1, and b+c+d+e=2).
Owner:SANTOKU CORP
All-solid battery and manufacturing method therefor
ActiveUS20140134483A1Suppress the generation of carbon residueSuppress internal short circuit of the all-solid batterySolid electrolytesElectrode thermal treatmentSetterSurface roughness
A method for manufacturing an all-solid battery that includes preparing a first green sheet as a green sheet for at least any one of a positive electrode layer and a negative electrode layer and a second green sheet as a green sheet for a solid electrolyte layer, stacking the first green sheet and the second green sheet to form a stacked body, and firing the stacked body with a setter placed in contact with at least one surface of the stacked body. The setter in contact with the at least one surface of the stacked body is 0.11 μmRa or more and 50.13 μmRa or less in surface roughness.
Owner:MURATA MFG CO LTD
Electrode for all solid-state secondary battery and method for producing same
[Problem] To provide an electrode for all-solid-state secondary batteries, which is capable of improving the high-temperature cycle characteristics of an all-solid-state secondary battery. [Solution] An electrode for all-solid-state secondary batteries of the present invention comprises a collector, a conductive adhesive layer and an electrode mixture layer. The electrode mixture layer contains a binder, an inorganic solid electrolyte that contains sulfur atoms, and an electrode active material. The conductive adhesive layer contains conductive particles and a binder for adhesive layers, said binder being composed of a diene polymer. The diene polymer contains 10-75% by mass of a diene monomer unit, and has an iodine number of 5-350 mg / 100 mg. The sulfur atoms contained in the inorganic solid electrolyte and carbon-carbon double bonds of the diene polymer are crosslinked with each other.
Owner:ZEON CORP
All-solid-state film electrochromic glass and preparation method thereof
ActiveCN103771724AImprove stabilitySimple production processGlass/slag layered productsAll solid stateInorganic ions
The present invention relates to an all-solid-state film electrochromic glass, which comprises a substrate, an ion blocking layer, a first transparent conductive layer, an inorganic discolored layer, an inorganic ion conductor layer, an inorganic ion storage layer, a second transparent conductive layer and a protective layer, wherein the ion blocking layer, the first transparent conductive layer, the inorganic discolored layer, the inorganic ion conductor layer, the inorganic ion storage layer, the second transparent conductive layer and the protective layer are sequentially formed on the substrate through a vapor deposition method. The present invention further provides a preparation method for the all-solid-state film electrochromic glass. The all-solid-state film electrochromic glass has advantages of electrochromic energy-saving glass stability increase and manufacturing process simplifying.
Owner:CSG HOLDING
All-solid-state lithium battery with gradient structure and preparation method thereof
ActiveCN103746089AObvious solid electrolyteObvious electrode interfaceFinal product manufactureNon-aqueous electrolyte accumulator electrodesAll solid statePower flow
The invention discloses an all-solid-state lithium battery with a gradient structure and a preparation method thereof. The all-solid-state lithium battery comprises a cathode with a gradient structure layer, a solid electrolyte layer, and a metal anode or an anode with a gradient structure layer; the preparation method comprises the following steps: preparing cathode slurries with different component concentrations or particle sizes or molecular weights, coating a collector electrode with the cathode slurries according to the component concentration gradient or particle size gradient or molecular weight gradient to prepare an electrode layer, coating the electrode layer with the solid electrolyte layer, finally attaching the metal anode, or preparing anode slurries with different component concentrations or particle sizes or molecular weights, coating the electrolyte layer with the anode slurries according to an opposite concentration gradient or particle size gradient or molecular weight gradient based on the preparation method of the cathode electrode layer, and finally attaching a collector electrode to obtain the all-solid-state lithium battery with a gradient structure; the preparation method is simple, and the prepared all-solid-state lithium battery is stable in large-rate charge and discharge, and can work normally at large current.
Owner:王海斌
Preparation method of full-solid-state nano composite polymer electrolyte
InactiveCN102891335APrevent crystallizationIncrease the fast transfer areaMaterial nanotechnologySecondary cellsAll solid stateOrganic solvent
The invention relates to a preparation method of a full-solid-state nano composite polymer electrolyte. The preparation method comprises the following steps of: mixing surface functional graphene, dissociated lithium salt and a polymer substrate and dissolving into an organic solvent, thereby obtaining a sol-like compound through ultrasonic treatment and mechanical blending; pouring on a Teflon template; and drying in a vacuum drying tank, thereby obtaining an electrolyte membrane. According to the invention, the full-solid-state nano composite polymer electrolyte is prepared through adding chemically modified graphene, not only room temperature conductivity is high, but also the surface is smooth and even, the internal components are uniform, and the full-solid-state nano composite polymer electrolyte is high in lithium ion transference number and electrochemical stability.
Owner:TONGJI UNIV
Electrode active material layer, all solid state battery, manufacturing method for electrode active material layer, and manufacturing method for all solid state battery
InactiveUS20110065007A1Reduce interface resistanceSuppress generationSolid electrolytesSolid electrolyte cellsAll solid stateSolid state electrolyte
Owner:TOYOTA JIDOSHA KK
All-solid-state cell
InactiveUS20140072870A1Accelerate emissionsIncrease battery capacitySolid electrolytesActive material electrodesAll solid stateCarbon nanotube
An all-solid-state cell has a positive electrode layer containing a positive electrode active material, a solid electrolyte layer containing a lithium ion conducting material, and a negative electrode layer containing a negative electrode active material. The negative electrode active material in the negative electrode layer contains a plurality of cylindrical carbon nanotube molecules, and the axes of the carbon nanotube molecules are oriented in a predetermined direction.
Owner:NGK INSULATORS LTD
Organic and inorganic composite all-solid-state electrolyte and all-solid-state battery formed from same
InactiveCN105811002AGood flexibilityGood chemical stabilitySolid electrolytesFinal product manufactureElectrical conductorInorganic compound
The invention relates to an organic and inorganic composite all-solid-state electrolyte, in particular to an organic polycarbonate macromolecule and inorganic fast-ion conductor composite all-solid-state electrode and preparation and application of an all-solid-state battery formed from the same. The organic and inorganic composite all-solid-state electrolyte comprises polycarbonate macromolecule, an inorganic fast-ion conductor, a lithium salt and a porous rigid support material, the thickness of the organic and inorganic composite all-solid-state electrolyte is 5-2,000 micrometers, the mechanical strength is 2-150MPa, the room-temperature ionic conductivity is 1*10<-4>-6*10<-3> S / cm, and an electrochemical window is greater than 4V. The organic and inorganic composite all-solid-state electrolyte provided by the invention is easy to prepare and simple to form, has favorable mechanical property, and is relatively high in room-temperature ionic conductivity and relatively wide in electrochemical window; and meanwhile, by the organic and inorganic composite all-solid-state electrolyte, the growth of lithium dendrites of a negative electrode can be effectively prevented, the interface stability is improved, and the long-circulation and safe application performance of the battery are further improved.
Owner:QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
Electrolyte material for all solid-state lithium secondary battery, preparation method for electrolyte material and all solid-state lithium secondary battery
ActiveCN103560267AClose contactLower Boundary ResistanceSolid electrolytesFinal product manufactureDopantAll solid state
The invention provides an electrolyte material (LiaPbScMd) for an all solid-state lithium secondary battery and a preparation method for the electrolyte material. The electrolyte material, shown in a formula (I) LiaPbScMd, for the all solid-state lithium secondary battery is prepared from Li2S, P2S5 and a dopant, wherein the dopant is selected from one or more of compounds of nonmetal elements in main groups III, IV, V, VI and VII of lithium and compounds formed from at least two of the nonmetal elements in the main groups III, IV, V, VI and VII; in the formula (I), M is selected from one or more of the nonmetal elements in the main groups III, IV, V, VI and VII, a is more than 0 and less than or equal to 10, b is more than 0 and less than or equal to 5, c is more than 0 and less than or equal to 15, and d is more than 0 and less than 1. The electrolyte material for the all solid-state lithium secondary battery has high electrical conductivity, high electrochemical stability and the like, and is favorable for application. The invention also provides the all solid-state lithium secondary battery.
Owner:STATE GRID CORP OF CHINA +3
All-solid-state cell
ActiveUS20150044576A1Transportation is highImprove cycle stabilityAlkali titanatesTantalum compoundsAll solid stateSolid state electrolyte
An all-solid-state cell, which includes a lithium-containing anode, a cathode and a lithium ions-conducting solid-state electrolyte separator situated between the anode and the cathode. To improve the safety and cycle stability of the cell, the cathode includes a composite material including at least one lithium titanate and at least one lithium ions-conducting solid-state electrolyte. Furthermore, the invention relates to a corresponding all-solid-state battery and a mobile or stationary system equipped with it.
Owner:ROBERT BOSCH GMBH
Cathode for secondary batteries, method for producing cathode for secondary batteries, and all-solid-state secondary battery
ActiveUS20150325844A1High capacity retentionSolid electrolytesFinal product manufactureAll solid stateEngineering
To provide: a cathode for secondary batteries, which has a high capacity retention rate; a method for producing a cathode for secondary batteries; and an all-solid-state secondary battery comprising the cathode. This object has been achieved providing by a cathode for secondary batteries, which is characterized by comprising a cathode active material layer containing at least a cathode active material and a solid electrolyte, wherein the cathode active material has an oil absorption amount of 35 to 50 ml per 100 g; wherein the solid electrolyte has an average particle diameter of 1.5 to 2.5 μm; and wherein the cathode active material layer is formed by mixing the cathode active material and the solid electrolyte in the absence of solvent and pressure-forming the resulting mixture.
Owner:TOYOTA JIDOSHA KK
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