Entries |
Document | Title | Date |
20080241698 | LITHIUM SECONDARY BATTERY AND ELECTRODE FOR USE IN LITHIUM SECONDARY BATTERY - A non-aqueous lithium secondary battery capable of maintaining high capacity even when preserved under a high temperature circumstance or put to charge/discharge repetitively, the battery having an electrode in which at least one of a positive electrode or a negative electrode contains less than 5 wt % of a lithium ion conductive inorganic solid electrolyte powder and using an ion conductive non-aqueous electrolyte, and an electrode for use in the lithium secondary battery using an ion conducting non-aqueous electrolyte containing less than 5 wt % of a lithium ion conductive inorganic solid electrolyte powder. | 10-02-2008 |
20090123847 | ALL-SOLID-STATE CELL - An all-solid-state cell has a fired solid electrolyte body, a first electrode layer integrally formed on one surface of the fired solid electrolyte body by mixing and firing an electrode active material and a solid electrolyte, and a second electrode layer integrally formed on the other surface of the fired solid electrolyte body by mixing and firing an electrode active material and a solid electrolyte. The first and the second electrode layers are formed by mixing and firing the electrode active material and the amorphous solid electrolyte, which satisfy the relation Ty>Tz (wherein Ty is a temperature at which the capacity of the electrode active material is lowered by reaction between the electrode active material and the solid electrolyte material, and Tz is a temperature at which the solid electrolyte material is shrunk by firing). | 05-14-2009 |
20090136853 | Hydride battery - A battery is provided containing increased binding energy hydrogen compounds as oxidants of the battery cathode half reaction. The oxidant compounds are provided comprising at least one neutral, positive, or negative hydrogen species having a binding energy greater than its corresponding ordinary hydrogen species, or greater than any hydrogen species for which the corresponding ordinary hydrogen species is unstable or is not observed. The oxidant compounds comprise at least one increased binding energy hydrogen species and at least one other atom, molecule, or ion other than an increased binding energy hydrogen species. The oxidant compound may comprise a cation M | 05-28-2009 |
20090162755 | Thin Film Electrolyte for Thin Film Batteries - The invention relates to a solid-state lithium-ion thin-film electrolyte that, compared to the current state-of-the-art thin-film electrolyte, Lipon, exhibits an equal or larger electrochemical stability window (0-5.5 V vs. Li | 06-25-2009 |
20090197183 | SOLID BATTERY AND A METHOD FOR MANUFACTURING AN ELECTRODE THEREOF - A solid battery includes at least either one of a positive electrode and a negative electrode comprising bars of an active material of the electrode and bars of a solid electrolyte of the electrode arranged alternately in such a manner that each of the bars of the active material of the electrode is disposed adjacent to each of the bars of the solid electrolyte of the electrode, and a solid electrolyte constituting a separator and having a plane to which the bars of the active material and the bars of the solid electrolyte of the electrode are disposed in a crossing direction. There is also provided a method for manufacturing an electrode of such solid battery. | 08-06-2009 |
20090214957 | ALL-SOLID-STATE CELL - A first paste for a first electrode layer and a second paste for a second electrode layer are printed on a fired solid electrolyte by screen printing, etc. to form electrode patterns for forming the first electrode layer and the second electrode layer. The first and second pastes can be prepared by dissolving a binder in an organic solvent, adding an appropriate amount of the obtained solution to powders of an electrode active substance material and a solid electrolyte material, and kneading the resultant mixture. The first and second pastes are applied to the fired solid electrolyte to form a cell precursor, the cell precursor is placed in a hot press mold subjected to a thermal treatment while pressing from above by a punch, whereby the first and second electrode layer are formed from the first and second pastes. | 08-27-2009 |
20090239152 | Battery - To solve a problem that in a battery having a negative electrode having a capability of releasing a metal ion, a positive electrode for causing a liquid such as water or seawater to contribute to battery reaction, and an inorganic solid electrolyte, the inorganic solid electrolyte contacts the positive electrode for a long term, whereby a deterioration is generated from the interface between the electrolyte and the positive electrode so that the battery capacity falls or the battery cannot give a high power. The positive electrode and the inorganic solid electrolyte are not brought into contact with each other. Preferably, the interval between the positive electrode and the electrolyte is set to 0.3 nm or more. | 09-24-2009 |
20100216030 | POSITIVE ELECTRODE FOR ALL-SOLID SECONDARY BATTERY AND ALL-SOLID SECONDARY BATTERY EMPLOYING SAME - A positive electrode for an all-solid secondary battery having excellent rate capabilities and cycle performance and an all-solid secondary battery employing the same. The positive electrode includes a positive electrode active material surface-treated such that at least a part of the surface of the positive electrode active material that is capable of occluding and releasing lithium (Li) is coated with an oxide including at least one of the Group 13 elements. | 08-26-2010 |
20110053000 | CERAMIC MATERIAL AND USE THEREOF - The present invention provides a ceramic material allowing a pellet having higher density and satisfactory Li ion conduction to be obtained. The ceramic material contains Li, La, Zr, Al and O and has a garnet-type or garnet-like crystal structure, the ratio of the number of moles of Li with respect to La being 2.0 or greater to 2.5 or lower. | 03-03-2011 |
20110065006 | ALL-SOLID BATTERY AND METHOD OF MANUFACTURING THE SAME - The all-solid battery has two electrode layers of a positive electrode and a negative electrode interposing a solid electrolyte layer therebetween, in which at least one of the electrode layers is composed of a sintered body of a mixed material including at least one or more types of electrode active material particles comprising electrode active material and solid electrolyte particles comprising solid electrolyte, and a portion of at least 30% by area of a grain boundary surrounding the electrode active material particles has a coating layer with a thickness of 1 to 200 nm. | 03-17-2011 |
20110081580 | SOLID-STATE LITHIUM SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - A solid-state lithium secondary battery includes an electrode body including a positive electrode containing positive electrode active material particles and solid electrolyte particles, a negative electrode, and a solid electrolyte layer composed of solid electrolyte particles and disposed between the positive electrode and the negative electrode. In the solid-state lithium secondary battery, the solid electrolyte particles contained in the positive electrode and the solid electrolyte particles of the solid electrolyte layer are each composed of a lithium ion conductive material represented by chemical formula Li | 04-07-2011 |
20110195315 | SOLID BATTERY - A solid battery includes: a positive electrode active material layer that includes a positive electrode active material; a negative electrode active material layer that includes a negative electrode active material; and a solid electrolyte layer that is formed between the positive electrode active material layer and the negative electrode active material layer. A reaction suppressing portion made of an oxide of a group 4 metallic element is formed at an interface between the positive electrode active material and an amorphous non-bridging sulfide-based solid electrolyte material that does not substantially contain bridging sulfur. | 08-11-2011 |
20110223487 | ELECTROCHEMICAL CELL WITH SINTERED CATHODE AND BOTH SOLID AND LIQUID ELECTROLYTE - An electrochemical cell has an anode of electrochemically-active material; a cathode of electrochemically-active, porous, liquid-permeable, sintered, ceramic material; and a solid-state, liquid-impermeable electrolyte medium disposed between the anode and the cathode. The electrolyte may be a layer of glass or a layer of glass ceramic, or may be a combination of a layer of glass and a layer of glass ceramic. The cell may further contain a liquid electrolyte diffused throughout the cathode. | 09-15-2011 |
20110244337 | GARNET-TYPE LITHIUM ION-CONDUCTING OXIDE AND ALL-SOLID-STATE LITHIUM ION SECONDARY BATTERY CONTAINING THE SAME - 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 Li | 10-06-2011 |
20110274984 | SULFIDE SOLID ELECTROLYTE MATERIAL - A main object of the present invention is to provide a sulfide solid electrolyte material that generates little hydrogen sulfide. To achieve the object, the present invention provides a sulfide solid electrolyte material which has a LiSbS | 11-10-2011 |
20110300451 | LITHIUM ION CONDUCTIVE SOLID ELECTROLYTE AND PRODUCTION PROCESS THEREOF - A lithium ion conductive solid electrolyte formed by sintering a molding product containing an inorganic powder and having a porosity of 10 vol % or less, which is obtained by preparing a molding product comprising an inorganic powder as a main ingredient and sintering the molding product after pressing and/or sintering the same while pressing, the lithium ion conductive solid electrolyte providing a solid electrolyte having high battery capacity without using a liquid electrolyte, usable stably for a long time and simple and convenient in manufacture and handling also in industrial manufacture in the application use of secondary lithium ion battery or primary lithium battery, a solid electrolyte having good charge/discharge cyclic characteristic in the application use of the secondary lithium ion battery a solid electrolyte with less water permeation and being safe when used for lithium metal-air battery in the application use of primary lithium battery, a manufacturing method of the solid electrolyte, and a secondary lithium ion battery and a primary lithium battery using the solid electrolyte. | 12-08-2011 |
20120196189 | AMORPHOUS IONICALLY CONDUCTIVE METAL OXIDES AND SOL GEL METHOD OF PREPARATION - Amorphous lithium lanthanum zirconium oxide (LLZO) is formed as an ionically-conductive electrolyte medium. The LLZO comprises by percentage of total number of atoms from about 0.1% to about 50% lithium, from about 0.1% to about 25% lanthanum, from about 0.1% to about 25% zirconium, from about 30% to about 70% oxygen and from 0.0% to about 25% carbon. At least one layer of amorphous LLZO may be formed through a sol-gel process wherein quantities of lanthanum methoxyethoxide, lithium butoxide and zirconium butoxide are dissolved in an alcohol-based solvent to form a mixture which is dispensed into a substantially planar configuration, transitioned through a gel phase, dried and cured to a substantially dry phase. | 08-02-2012 |
20120231349 | SOLID ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A solid electrolyte for a rechargeable lithium battery includes a compound represented by Li | 09-13-2012 |
20120295167 | PHASE-PURE LITHIUM ALUMINIUM TITANIUM PHOSPHATE AND METHOD FOR ITS PRODUCTION AND ITS USE - The present invention relates to a method for producing lithium aluminum titanium phosphates of the general formula Li | 11-22-2012 |
20120295168 | PHASE-PURE LITHIUM ALUMINIUM TITANIUM PHOSPHATE AND METHOD FOR ITS PRODUCTION AND USE - The present invention relates to a method for producing lithium aluminium titanium phosphates of the general formula Li | 11-22-2012 |
20120308900 | LITHIUM ION CONDUCTIVE INORGANIC SUBSTANCE - To provide a lithium ion conductive inorganic substance that makes it possible to further enhance the charge-discharge voltage of batteries and to further improve the charge-discharge properties of batteries. The lithium ion conductive inorganic substance includes a ZrO | 12-06-2012 |
20120328959 | ALL SOLID STATE SECONDARY BATTERY AND METHOD FOR PRODUCING SAME - An all solid state secondary battery configured with the use of a NASICON-type compound for a solid electrolyte and a lithium-containing manganese oxide for a positive electrode active material. The all solid state secondary battery includes a positive electrode layer and a solid electrolyte layer, in which a positive electrode active material constituting the positive electrode layer contains a compound represented by the general formula Li | 12-27-2012 |
20130011746 | SOLID ELECTROLYTE MATERIAL AND ALL SOLID-STATE LITHIUM SECONDARY BATTERY - A solid electrolyte material for an all solid-state lithium secondary battery represented by Li | 01-10-2013 |
20130040208 | SULFIDE SOLID ELECTROLYTE MATERIAL, BATTERY, AND METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE MATERIAL - The problem of the present invention is to provide a sulfide solid electrolyte material having excellent ion conductivity. The present invention solves the problem by providing a sulfide solid electrolyte material comprising an M | 02-14-2013 |
20130052540 | ACTIVE MATERIAL FOR BATTERY, BATTERY, AND METHOD FOR PRODUCTION OF ACTIVE MATERIAL FOR BATTERY - An active material for a battery contains a Y | 02-28-2013 |
20130071757 | SOLID ELECTROLYTE MATERIAL, LITHIUM BATTERY, AND METHOD OF PRODUCING SOLID ELECTROLYTE MATERIAL - A main object of the present invention is to provide a solid electrolyte material having excellent Li ion conductivity. To attain the object, the present invention provides a solid electrolyte material represented by a general formula: Li | 03-21-2013 |
20130084505 | SOLID ELECTROLYTE MATERIAL AND LITHIUM BATTERY - A main object of the present invention is to provide a Li—La—Zr—O-based solid electrolyte material having favorable denseness. The present invention solves the problem by providing a solid electrolyte material including Li, La, Zr, Al, Si and O, having a garnet structure, and being a sintered body. | 04-04-2013 |
20130164631 | SULFIDE SOLID ELECTROLYTE MATERIAL AND LITHIUM SOLID STATE BATTERY - The main object of the present invention is to provide a sulfide solid electrolyte material with high Li ion conductivity. The present invention solves the problem by providing a sulfide solid electrolyte material comprising an ion conductor with an ortho-composition, and LiI, characterized in that the sulfide solid electrolyte material is glass with a glass transition point. | 06-27-2013 |
20130183589 | BATTERY SINTERED BODY, PRODUCING METHOD OF BATTERY SINTERED BODY AND ALL SOLID LITHIUM BATTERY - A battery sintered body, in which charge-discharge properties are restrained from deteriorating in accordance with sintering, and a producing method thereof. A battery sintered body includes: a phosphate compound of a nasicon type as a solid electrolyte material; and any one of an oxide of a spinel type containing at least one of Ni and Mn, LiCoO | 07-18-2013 |
20140023933 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND PROCESS FOR PRODUCING SAME - Provided are a non-aqueous electrolyte secondary battery having excellent high-temperature durability and capable of reducing the initial percent defective and a process for producing the same. The non-aqueous electrolyte secondary battery includes: a positive electrode containing a positive-electrode active material; negative electrode containing a negative-electrode active material; a non-aqueous electrolyte; and a porous layer provided on a surface of the positive electrode, wherein the porous layer contains inorganic solid electrolyte particles having a crystalline structure of rhombohedral crystal (R3c) with lithium ion conductivity represented by Li | 01-23-2014 |
20140038058 | LITHIUM TITANIUM MIXED OXIDE - A method is indicated for producing a lithium titanium mixed oxide, comprising the provision of a mixture of titanium dioxide and a lithium compound, calcining of the mixture, and grinding of the mixture in an atmosphere with a dew point <−50° C. A lithium titanium mixed oxide and a use of same are also indicated. In addition, an anode and a solid electrolyte for a secondary lithium-ion battery, as well as a corresponding secondary lithium-ion battery are provided. | 02-06-2014 |
20140080006 | ALL-SOLID LITHIUM ION SECONDARY BATTERY - To provide an all-solid lithium ion secondary battery having a high voltage, a small internal resistance, and a discharge capacity close to a theoretical capacity and being able to be produced at low cost, and therefore, even in the case of collective sintering, generation of an inactive material due to interface reaction at the interface between an electrode active material and a solid electrolyte is reduced. An all-solid lithium ion secondary battery including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer disposed between the positive electrode layer and the negative electrode layer, wherein an electrode active material included in the positive electrode layer is a phosphate having an olivine structure; and a solid electrolyte crystal included in the solid electrolyte layer includes polyphosphoric acid and the content of Li | 03-20-2014 |
20140141341 | SULFIDE SOLID ELECTROLYTE MATERIAL, LITHIUM SOLID-STATE BATTERY, AND METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE MATERIAL - A sulfide solid electrolyte material contains glass ceramics that contains Li, A, X, and S, and has peaks at 2θ=20.2° and 23.6° in X-ray diffraction measurement with CuKα line. A is at least one kind of P, Si, Ge, Al, and B, and X is a halogen. A method for producing a sulfide solid electrolyte material includes amorphizing a raw material composition containing Li | 05-22-2014 |
20140154585 | ALL-SOLID-STATE SECONDARY CELL - An all-solid-state secondary cell comprising at least a positive electrode, a negative electrode and a solid electrolyte layer which is positioned between the positive electrode and the negative electrode, wherein:
| 06-05-2014 |
20140162136 | METHOD OF FORMING LITHIUM-ALUMINUM-TITANIUM PHOSPHATE - Disclosed are methods of forming lithium-aluminum-titanium phosphate. The method includes providing a precursor solution including a titanium compound and an aluminum compound, forming an intermediate using a hydrothermal reaction process performed on the precursor solution, adding a lithium compound and a phosphate compound to the intermediate, and firing a mixture of the lithium compound, the phosphate compound, and the intermediate. | 06-12-2014 |
20140220454 | BATTERY AND METHOD OF MANUFACTURING THE SAME - A battery capable of improving ionic conduction is provided. The battery includes a cathode, an anode, and a solid electrolyte layer. One or more of the cathode, the anode, and the solid electrolyte layer includes a solid electrolyte binder. | 08-07-2014 |
20140295286 | CERAMIC ELECTROLYTE MATERIAL COMPRISING A MODIFIED POLYCRYSTALLINE LITHIUM METAL PHOSPHATE - There is disclosed a polycrystalline lithium-ion conductive membrane for a lithium-air battery that comprises at least one surface, a polycrystalline lithium-ion conductive material comprising grain boundaries, and at least one modifying phase, wherein (a) the at least one modifying phase is incorporated into the grain boundaries to form a modified polycrystalline lithium-ion conductive material comprising modified grain boundaries, (b) the at least one modifying phase is incorporated into the at least one surface to form a modified surface, or both (a) and (b). Various lithium based batteries, including lithium ion, lithium-air, and lithium-water batteries are disclosed, as well as methods for modifying the polycrystalline lithium-ion conductive membrane to allow it to be used in such battery applications. | 10-02-2014 |
20140295287 | LITHIUM ION-CONDUCTING GARNET-LIKE COMPOUNDS - A lithium ion-conducting compound, having a garnet-like crystal structure, and having the general formula: Li | 10-02-2014 |
20140315100 | Rechargeable lithium-sulfur battery having a high capacity and long cycle life - A rechargeable lithium-sulfur cell comprising an anode, a separator and/or electrolyte, a sulfur cathode, an optional anode current collector, and an optional cathode current collector, wherein the cathode comprises (a) exfoliated graphite worms that are interconnected to form a porous, conductive graphite flake network comprising pores having a size smaller than 100 nm; and (b) nano-scaled powder or coating of sulfur, sulfur compound, or lithium polysulfide disposed in the pores or coated on graphite flake surfaces wherein the powder or coating has a dimension less than 100 nm. The exfoliated graphite worm amount is in the range of 1% to 90% by weight and the amount of powder or coating is in the range of 99% to 10% by weight based on the total weight of exfoliated graphite worms and sulfur (sulfur compound or lithium polysulfide) combined. The cell exhibits an exceptionally high specific energy and a long cycle life. | 10-23-2014 |
20140363745 | SULFIDE SOLID ELECTROLYTE MATERIAL, BATTERY, AND PRODUCING METHOD FOR SULFIDE SOLID ELECTROLYTE MATERIAL - The object of the present invention is to provide a sulfide solid electrolyte material with favorable ion conductivity. The present invention attains the object by providing a sulfide solid electrolyte material including an M | 12-11-2014 |
20140370396 | METHOD OF PREPARING LITHIUM PHOSPHATE-BASED SOLID ELECTROLYTE - A method of preparing a lithium phosphate-based solid electrolyte according to an embodiment of the present invention may include preparing a precursor solution which includes a lithium compound, a phosphate compound, and an aluminum compound, forming a first intermediate by performing a hydrothermal reaction process on the precursor solution, forming a second intermediate by calcinating the first intermediate, and crystallizing the second intermediate. The precursor solution may further include a metal compound or a metalloid compound. The lithium phosphate-based solid electrolyte of the present invention may have high ionic conductivity and high purity. | 12-18-2014 |
20140377665 | CERAMIC MATERIAL AND PROCESS FOR PRODUCING THE SAME - A ceramic material that can exhibit sufficient compactness and lithium (Li) conductivity to enable the use thereof as a solid electrolyte material for a lithium secondary battery and the like is provided. The ceramic material contains aluminum (Al) and has a garnet-type crystal structure or a garnet-like crystal structure containing lithium (Li), lanthanum (La), zirconium (Zr) and oxygen (O). | 12-25-2014 |
20150017548 | SULFIDE SOLID ELECTROLYTE MATERIAL, BATTERY, AND PRODUCING METHOD FOR SULFIDE SOLID ELECTROLYTE MATERIAL - 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 2θ=29.58°±0.50° in X-ray diffraction measurement using a CuKα ray, characterized in that when a diffraction intensity at the above-mentioned peak of 2θ=29.58°±0.50° is regarded as IA and a diffraction intensity at a peak of 2θ=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. | 01-15-2015 |
20150024281 | METHOD FOR MANUFACTURING SULFIDE-BASED SOLID ELECTROLYTE - Provided is a method for manufacturing a sulfide-based solid electrolyte including preparing a precursor comprising lithium sulfide, germanium sulfide, aluminum sulfide, phosphorus sulfide, and sulfur, conducting a mixing process of the precursor to prepare a mixture, and crystallizing the mixture to form a compound represented by Li | 01-22-2015 |
20150030938 | ION CONDUCTING GLASS-CERAMICS, METHOD FOR MANUFACTURING SAME AND ALL-SOLID-STATE SECONDARY BATTERY INCLUDING SAME - An ion conducting glass-ceramics represented by the general formula (I): Na | 01-29-2015 |
20150037687 | SULFIDE SOLID ELECTROLYTE MATERIAL, BATTERY, AND PRODUCING METHOD FOR SULFIDE SOLID ELECTROLYTE MATERIAL - A main object of the present invention is to provide a sulfide solid electrolyte material having favorable ion conductivity and low reduction potential. The present invention solves the above-mentioned problem by providing a sulfide solid electrolyte material including an M | 02-05-2015 |
20150056518 | AMORPHOUS IONICALLY CONDUCTIVE METAL OXIDES AND SOL GEL METHOD OF PREPARATION - Amorphous lithium lanthanum zirconium oxide (LLZO) is formed as an ionically-conductive electrolyte medium. The LLZO comprises by percentage of total number of atoms from about 0.1% to about 50% lithium, from about 0.1% to about 25% lanthanum, from about 0.1% to about 25% zirconium, from about 30% to about 70% oxygen and from 0.0% to about 25% carbon. At least one layer of amorphous LLZO may be formed through a sol-gel process wherein quantities of lanthanum methoxyethoxide, lithium butoxide and zirconium butoxide are dissolved in an alcohol-based solvent to form a mixture which is dispensed into a substantially planar configuration, transitioned through a gel phase, dried and cured to a substantially dry phase. | 02-26-2015 |
20150118571 | FLUORINE-CONTAINING LITHIUM-GARNET-TYPE OXIDE CERAMICS - A lithium lanthanum zirconium oxide (LLZO) having a garnet crystal structure contains fluorine in an amount up to 40 mol %. The fluorine, which may be in the form of a lithium compound such as lithium fluoride, may act as a sintering aid and promote formation of the cubic garnet phase. The sintered oxide may be a dense ceramic that includes a plurality of distributed closed pores. Solid electrolyte membranes comprising the oxide can have an ionic conductivity of at least 1×10 | 04-30-2015 |
20150333330 | LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer is provided. The positive electrode layer includes a positive electrode current collector layer and a positive electrode active material layer. Positive electrode active material layer includes a positive electrode active material. The negative electrode layer includes a negative electrode current collector layer and a negative electrode active material layer. The negative electrode active material layer includes a negative electrode active material. Solid electrolyte layer between the positive and negative electrode active material layers includes a solid electrolyte. At least one of a ratio of a particle diameter of the solid electrolyte to a particle diameter of the positive electrode active material and a ratio of the particle diameter of the solid electrolyte to a particle diameter of the negative electrode active material is in the range of 1/10 to 1/3. | 11-19-2015 |
20150333362 | LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer is provided. The positive electrode layer includes a positive electrode current collector layer and a positive electrode active material layer. The positive electrode active material layer includes a positive electrode active material. The negative electrode layer includes a negative electrode current collector layer and a negative electrode active material layer. The negative electrode active material layer includes a negative electrode active material. The solid electrolyte layer between the positive and negative electrode active material layers includes a solid electrolyte. At least one of a ratio of a particle diameter of the solid electrolyte to a particle diameter of the positive electrode active material and a ratio of the particle diameter of the solid electrolyte to a particle diameter of the negative electrode active material ranges from 3.0 to 10.0. | 11-19-2015 |
20150333365 | LITHIUM ION SECONDARY BATTERY - Provided is an all-solid lithium ion secondary battery including a sintered body including a solid electrolyte layer and a positive electrode layer and a negative electrode layer which are stacked alternately with the solid electrolyte layer interposed therebetween, wherein: the positive electrode layer, the negative electrode layer, and the solid electrolyte layer include a compound containing lithium and boron; and a content of lithium and boron contained in the compound to a total of a positive electrode active material included in the positive electrode layer, a negative electrode active material included in the negative electrode layer, and a solid electrolyte included in the solid electrolyte layer is respectively 4.38 mol % to 13.34 mol % in terms of Li | 11-19-2015 |
20150333366 | LITHIUM ION SECONDARY BATTERY - A provided lithium ion secondary battery includes a pair of electrodes and a solid electrolyte layer. The solid electrolyte layer is provided between the pair of electrodes and includes titanium aluminum lithium phosphate. At least one of the pair of electrodes includes vanadium lithium phosphate. At least one of the pair of electrodes includes at least one constituent of titanium and aluminum. The amount of the at least one constituent existing on a side opposite to the solid electrolyte layer is smaller than the amount of the at least one constituent existing on the solid electrolyte layer side. | 11-19-2015 |
20150357673 | SULFIDE SOLID ELECTROLYTE MATERIAL, BATTERY, AND PRODUCING METHOD FOR SULFIDE SOLID ELECTROLYTE MATERIAL - The problem is to provide a sulfide solid electrolyte material with favorable Li ion conductivity in a low-temperature environment. The problem is overcome by providing a sulfide solid electrolyte material comprising an M | 12-10-2015 |
20150357675 | SULFIDE SOLID ELECTROLYTE MATERIAL, LITHIUM SOLID-STATE BATTERY, AND METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE MATERIAL - A sulfide solid electrolyte material contains glass ceramics that contains Li, A, X, and S, and has peaks at 2θ=20.2° and 23.6° in X-ray diffraction measurement with CuKα line. A is at least one kind of P, Si, Ge, Al, and B, and X is a halogen. A method for producing a sulfide solid electrolyte material includes amorphizing a raw material composition containing Li | 12-10-2015 |
20160056500 | 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. | 02-25-2016 |
20160093914 | POSITIVE-ELECTRODE ACTIVE-MATERIAL POWDER AND MANUFACTURING METHOD THEREFOR - 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 Li | 03-31-2016 |
20160164135 | NANOCOMPOSITE PARTICLES OF CONVERSION CHEMISTRY AND MIXED ELECTRONIC IONIC CONDUCTOR MATERIALS - Positive electrode films for a Li-secondary battery are provided. The films include composite particles including a mixed electronic ionic conductor (MEIC), a metal fluoride (MF), and optionally an electrically conductive additive comprising carbon. The films include a catholyte and a binder that are both in contact with the composite particle surfaces but not contained therein. The composite particles are characterized by a porosity of less than about 15% v/v at 25° C. Methods of forming positive electrode films for a Li-secondary battery are also provided. Methods of forming positive electrode films including annealed composite particles for a Li-secondary battery are also provided. The methods include preparing a composite including a mixed electronic ionic conductor (MEIC) including a member selected from metal oxides, metal sulfides, metal halides, metal oxyhalides, and combinations thereof, a nanodimensioned metal fluoride (MF), optionally a binder, and optionally an electrically conductive additive comprising carbon. | 06-09-2016 |
20160190639 | GARNET-TYPE SOLID ELECTROLYTE AND METHOD FOR PREPARING THE SAME - Disclosed are a garnet-type solid electrolyte and a method for preparing the same. The garnet-based solid electrolyte of the present invention is prepared by adding Al | 06-30-2016 |
20160197374 | SULFIDE SOLID ELECTROLYTE MATERIAL, BATTERY, AND PRODUCING METHOD FOR SULFIDE SOLID ELECTROLYTE MATERIAL | 07-07-2016 |
20170237118 | CUBIC IONIC CONDUCTOR CERAMICS FOR ALKALI ION BATTERIES | 08-17-2017 |