Abstract: A liquid hydrophobic phase transition substance is provided that may improve the safety of a battery and restrain the deterioration in performance of the battery without deteriorating the properties of the battery. The liquid hydrophobic phase transition substance includes a hydrophobic salt having a melting point of 80° C. or more and a hydrophilic salt of an alkali or an alkaline earth.

Abstract: An electrolyte composition and catalyst ink, a solid electrolyte membrane formed by printing the electrolyte composition and catalyst ink, and a secondary battery including the solid electrolyte membrane. An electrolyte composition includes a solvent; a lithium salt dissolved in the solvent; and a cycloolefin-based monomer dissolved or dispersed in the solvent and a catalyst ink includes a catalyst that promotes the ring-opening and polymerization reactions of the cycloolefin monomers of the electrolyte composition.

Abstract: The disclosure relates to ceramic lithium ion electrolyte membranes and processes for forming them. The ceramic lithium electrolyte membrane may comprise at least one ablative edge. Exemplary processes for forming the ceramic lithium ion electrolyte membranes comprise fabricating a lithium ion electrolyte sheet and cutting at least one edge of the fabricated electrolyte sheet with an ablative laser.

Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality.

Abstract: The invention provides a method of readily manufacturing a lithium secondary battery including a solid electrolyte layer having space for accommodating deposited lithium. A lithium secondary battery includes a positive electrode element, a negative electrode element and a solid electrolyte layer placed between them. A method of manufacturing the battery includes a first step of stacking at least a first group of particles and a second group of particles to form the solid electrolyte layer, the second group of particles having an average particle diameter larger than that of the first group of particles, and a second step of stacking the positive and negative electrode elements on the solid electrolyte layer such that the negative electrode element is in contact with a surface of the second group of particles in the solid electrolyte layer.

Abstract: Provided are a Li-ion battery (nonaqueous-electrolyte battery) 100 that includes a positive-electrode active-material layer 12, a negative-electrode active-material layer 22, and a sulfide-solid-electrolyte layer 40 disposed between the active-material layers 12 and 22. The sulfide-solid-electrolyte layer 40 includes a sulfur-added layer 43 in an intermediate portion in the thickness direction of the sulfide-solid-electrolyte layer 40. The sulfur-added layer 43 has a higher content of elemental sulfur than any other portion of the sulfide-solid-electrolyte layer 40. The sulfur-added layer 43 substantially does not have any pin holes.

Abstract: Provided is a positive-electrode body for a nonaqueous-electrolyte battery in which formation of high-resistance layers at the contact interfaces between positive-electrode active-material particles and solid-electrolyte particles is suppressed so that an increase in the interface resistance is suppressed. A positive-electrode body 1 for a nonaqueous-electrolyte battery according to the present invention includes a mixture of sulfide-solid-electrolyte particles 11 and covered positive-electrode active-material particles 10 in which surfaces of positive-electrode active-material particles 10a are covered with cover layers 10b having Li-ion conductivity. The cover layers 10b are formed of an amorphous oxide having oxygen deficiency. The cover layers 10b have oxygen deficiency and, as a result, Li-ion conductivity and electron conductivity that are sufficient for charge and discharge of the battery can be stably ensured in the cover layers 10b.

Abstract: A lithium ion secondary battery includes a positive electrode, a negative electrode and a thin film solid electrolyte including lithium ion conductive inorganic substance. The thin film solid electrolyte has thickness of 20 ?m or below and is formed directly on an electrode material or materials for the positive electrode and/or the negative electrode. The thin film solid electrolyte has lithium ion conductivity of 10?5Scm?1 or over and contains lithium ion conductive inorganic substance powder in an amount of 40 weight % or over in a polymer medium. The average particle diameter of the inorganic substance powder is 0.5 ?m or below. According to a method for manufacturing the lithium ion secondary battery, the thin film solid electrolyte is formed by coating the lithium ion conductive inorganic substance directly on the electrode material or materials for the positive electrode and/or the negative electrode.

Abstract: 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 M1 element (such as a Li element), an M2 element (such as a Ge element and a P element), and an S element; having a peak in a position of 2?=29.58°±0.50° in an X-ray diffraction measurement using a CuK? line; and having an IB/IA value of less than 0.50 when a diffraction intensity at the peak of 2?=29.58°±0.50° is represented by IA and a diffraction intensity at a peak of 2?=27.33°±0.50° is represented by IB.

Abstract: Ionically conducting, redox active additive composite electrolytes are disclosed. The electrolytes include an ionically conductive component and a redox active additive. The ionically conductive component may be an ionically conductive material such as an ionically conductive polymer, ionically conducting glass-ceramic, ionically conductive ceramic, and mixtures thereof.

Abstract: A method for making ion conducting films includes the use of primary inorganic chemicals, which are preferably water soluble; formulating the solution with appropriate solvent, preferably deionized water; and spray depositing the solid electrolyte matrix on a heated substrate, preferably at 100 to 400° C. using a spray deposition system. In the case of lithium, the deposition step is then followed by lithiation or addition of lithium, then thermal processing, at temperatures preferably ranging between 100 and 500° C., to obtain a high lithium ion conducting inorganic solid state electrolyte. The method may be used for other ionic conductors to make electrolytes for various applications. The electrolyte may be incorporated into a lithium ion battery.

Abstract: An all-solid-state secondary battery that includes a positive electrode, a negative electrode, and a solid electrolyte, and which has good moldability and favorable battery characteristics. In the all-solid-state secondary battery, a carbon material having carbon particles with a fracture strength of 100 MPa or less is used for an electrode active material.

Abstract: The outer surface of a metal electrode 202 of a rechargeable oxide-ion battery (ROB) cell is covered by its own dense electrolyte 204 and interconnection 206, where the dense electrolyte 204 and interconnection 206 hermetically seal the metal electrode away from oxygen-containing environment to prevent direct contact between active metal and oxygen which would lead to self discharge, thus, producing a self-sealed metal electrode of a ROB cell without introducing additional sealing components.

Abstract: An all-solid-state battery, and manufacturing method thereof. The all-solid-state battery has a plurality of laminated bodies including: a cathode layer; an anode layer; and a solid electrolyte layer sandwiched therebetween, when neighboring two laminated bodies are defined as a first and second laminated body, the solid electrolyte layer of the first and second laminated body being connected through an insulating layer, to a pair of side surfaces of the laminated plurality of the laminated bodies, a first current collector which is connected with the cathode layer but not connected with the anode layer and a second current collector which is connected with the anode layer but not connected with the cathode layer being arranged respectively, a plurality of insulating layers connected to the solid electrolyte layers being arranged between the cathode layer and the second current collector and between the anode layer and the first current collector.

Abstract: A composite solid electrolyte includes a monolithic solid electrolyte base component that is a continuous matrix of an inorganic active metal ion conductor and a filler component used to eliminate through porosity in the solid electrolyte. In this way a solid electrolyte produced by any process that yields residual through porosity can be modified by the incorporation of a filler to form a substantially impervious composite solid electrolyte and eliminate through porosity in the base component. Such composites may be made by disclosed techniques. The composites are generally useful in electrochemical cell structures such as battery cells and in particular protected active metal anodes, particularly lithium anodes, that are protected with a protective membrane architecture incorporating the composite solid electrolyte.

Abstract: 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 ZrO2 component from 2.6% to 52.0% by mass on an oxide basis. The lithium ion conductive inorganic substance is preferably used for lithium ion secondary batteries that have a positive electrode layer, a negative electrode layer, and a solid electrolyte layer intervening between the positive electrode layer and the negative electrode layer.

Abstract: Li/air battery cells are configurable to achieve very high energy density. The cells include a protected a lithium metal or alloy anode and an aqueous catholyte in a cathode compartment. In addition to the aqueous catholyte, components of the cathode compartment include an air cathode (e.g., oxygen electrode) and a variety of other possible elements.

Abstract: In a stacked battery including a plurality of electrolyte layers having substantially the same resistance value, an uneven temperature distribution during charge and discharge changes the resistance values of solid electrolyte layers to cause variations in output among a plurality of unit cells in a stacking direction. A power storage device includes a plurality of electrolyte layers which are stacked with an electrode element interposed between them, wherein the plurality of electrolyte layers include an electrolyte layer provided at a first position in a stacking direction and an electrolyte layer provided at a second position different from the first position, heat radiation being lower at the second position than at the first position, and the electrolyte layer at the second position has a resistance value higher than that of the electrolyte layer at the first position.

Abstract: Hybrid radical energy storage devices, such as batteries or electrochemical devices, and methods of use and making are disclosed. Also described herein are electrodes and electrolytes useful in energy storage devices, for example, radical polymer cathode materials and electrolytes for use in organic radical batteries.

Abstract: 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.

Abstract: A solid electrolyte structure containing a porous solid electrolyte is prepared. At least the porous solid electrolyte of the solid electrolyte structure is immersed in a first sol solution containing at least a precursor of an electrode active material as a solute. Then, the first sol solution, in which the porous solid electrolyte is immersed, is heated. A solvent of the first sol solution is evaporated by the heating, whereby a pore of the porous solid electrolyte is filled with a high concentration (a large amount) of the electrode active material precursor.

Abstract: A practical solid-state battery composed primarily of ceramic or glass materials and containing no liquid, gel or polymeric electrolytes. The invention utilizes solid-state electrolyte materials with solid-state anode and cathode materials along with construction concepts utilized in the multi layered ceramic capacitor (MLCC) industry to result in a compact primary or secondary battery.

Abstract: A gel-like or solid electrolyte containing (i) an electrolyte solution containing an electrolyte dissolved in an organic solvent, (ii) a lamellar clay mineral and/or an organically modified lamellar clay mineral and (iii) a polyvalent onium salt compound and a photoelectric transducer element and a dye-sensitized solar cell using the same.

Abstract: A composite solid electrolyte includes a monolithic solid electrolyte base component that is a continuous matrix of an inorganic active metal ion conductor and a filler component used to eliminate through porosity in the solid electrolyte. In this way a solid electrolyte produced by any process that yields residual through porosity can be modified by the incorporation of a filler to form a substantially impervious composite solid electrolyte and eliminate through porosity in the base component. Such composites may be made by disclosed techniques. The composites are generally useful in electrochemical cell structures such as battery cells and in particular protected active metal anodes, particularly lithium anodes, that are protected with a protective membrane architecture incorporating the composite solid electrolyte.

Abstract: A main object of the present invention is to provide a safe and highly-reliable all-solid-state lithium secondary battery using a sulfide-based solid electrolyte material which can restrain generation of hydrogen sulfide gas, in case a large amount of water is entered into a battery case by an accident such as submersion associated with a breakage of the container. To attain the above-mentioned object, the present invention provides an all-solid-state lithium secondary battery using a sulfide-based solid electrolyte material, characterized in that the battery has a metal salt M-X comprising a metal element “M” and an anionic part “X” in a battery case thereof, and further characterized in that a metal cation of the metal salt M-X generated by disassociation caused with water can react with a sulfide ion generated by a reaction between the sulfide-based solid electrolyte material and the water.

Abstract: In a non-aqueous electrolyte secondary battery, a separator in which its dynamic hardness DH obtained when the load to an indenter reaches 12 kgf/cm2 is 1000 or more is used. This separator includes at least one porous layer X including a polyolefin, and at least one porous layer Y including a heat resistant resin. The porosity of the porous layer X is 35% or more and 65% or less. In a pore size distribution of the porous layer X measured with a mercury porosimeter, a ratio of pores having a pore size of 0.02 ?m or more and 0.2 ?m or less is 40 vol % or more relative to a total pore volume. The thermal deformation temperature of the heat resistant resin is 160° C. or more.

Abstract: An all-solid-state battery includes: a positive electrode having a positive electrode current collector and a positive electrode layer on the positive electrode current collector; a negative electrode having a negative electrode current collector and a negative electrode layer on the negative electrode current collector; and an electrolyte between the positive and negative electrodes. The electrolyte is made of a first solid-state electrolyte having lithium ionic conductivity. The positive electrode layer includes a base portion and an active material portion. The base portion is made of a second solid-state electrolyte having lithium ionic conductivity in a continuous phase. The active material portion is dispersed in the base portion, and includes a positive electrode active material. The first and second solid-state electrolytes are lithium ionic conductive material having a hydride solid-state electrolyte, respectively.

Abstract: An electrolytic solution for an electrolytic capacitor includes a solvent and an electrolyte dissolved in the solvent. This electrolyte includes at least one of a carboxylic acid and a salt of the carboxylic acid. The carboxylic acid has a carboxyl group and at least one or more of substituents bonded to each terminal carbon of a straight main chain. The substituent bonded to the each terminal carbon of the main chain is hydrophilic, and/or a hydrophilic substituent is bonded to at least one of carbons other than the both terminal carbons of the main chain.

Abstract: In the all-solid secondary battery of the present invention, a positive electrode layer and a negative electrode layer are disposed on both sides of a solid electrolyte layer, a first inorganic solid electrolyte and a second inorganic solid electrolyte are included into at least one of the positive electrode layer, the negative electrode layer, and the solid electrolyte layer, the content of transition metal in the first inorganic solid electrolyte is less than 15% by mass on oxide basis, and the content of transition metal in the second inorganic solid electrolyte is 15% by mass or more on oxide basis.

Abstract: Provided are a nonaqueous electrolyte battery that can suppress internal short circuits due to growth of dendrites from a negative electrode and has high charge-discharge cycle capability; and a solid electrolyte with which the charge-discharge cycle capability of a nonaqueous electrolyte battery can be improved by using the solid electrolyte as a solid electrolyte layer of the nonaqueous electrolyte battery. The nonaqueous electrolyte battery includes a positive electrode, a negative electrode, and a solid electrolyte layer interposed between these electrodes, wherein the solid electrolyte layer includes a high-sulfur-content portion containing 10 mol % or more of elemental sulfur. The solid electrolyte for a nonaqueous electrolyte battery includes a high-sulfur-content portion containing 10 mol % or more of elemental sulfur.

Abstract: A solid electrolyte for a rechargeable lithium battery includes a compound represented by Li1+xTi2?xAlxMy(PO4)3-y, and a glass-based oxide selected from LiPO3, Li2O—B2O3, and combinations thereof. A rechargeable lithium battery includes the solid electrolyte.

Abstract: A molten salt composition is disclosed containing two or more types of molten salt MTFSI whose anion is an imide anion TFSI and whose cation is an alkali metal M exhibits a lower electrolyte melting point and a wider operating temperature range than a simple salt does. This brings about various advantages such as a wider range of materials that are chosen for use in batteries and the like.

Abstract: A solid state battery including at least one multilayered battery cell comprising: 1) a layer of negative electrode material; 2) a layer of positive electrode material; and 3) a layer of perovskite-type oxide material disposed between the layer of positive electrode material and the layer of negative electrode material, where said layer of perovskite-type oxide material is electrically insulating and capable of readily conducting or transporting protons.

Abstract: A coordination compound of an element of the boron group, the production of the compound and methods of using the compound as an additive, stabilizer, catalyst, co-catalyst, activator for catalyst systems, conductivity improver, and electrolyte.

Abstract: A polymer electrolyte; and an electrochemical device utilizing the polymer electrolyte. In accordance with the diffusion of cell-phone and other portable information devices and in accordance with the recent-year development of new use of power source for hybrid electric automobile, etc., enhanced reliability is increasingly demanded on electrochemical devices, such as battery, for use as the power source thereof. Although generally a liquid electrolyte is employed in electrochemical devices, the liquid electrolyte is likely to induce trouble, such as liquid leakage, presenting a major factor for reliability loss. Accordingly, use of a polymer electrolyte in place of the liquid electrolyte to attain an enhancement of reliability is being studied. However, conventional polymer electrolytes have had the problem that it is difficult to simultaneously satisfy ion conductivity and reliability.

Abstract: There are provided a new crosslinked polymer electrolyte excellent in water resistance and solvent resistance, high in heat resistance, inexpensive and low in methanol permeability, and suitable for the proton conductive membrane of a fuel cell, by means of the crosslinked polymer electrolyte obtained by the following (1) or (2), and its production method. (1) A compound having two or three or more reactive groups is reacted with a polymer electrolyte. (2) A compound having two or three or more reactive groups is reacted with a polymer to obtain a crosslinked polymer and then an ion exchange group is introduced into the resultant polymer.

Abstract: 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.

Abstract: Provided is an anode for use in electrochemical cells, wherein the anode active layer has a first layer comprising lithium metal and a multi-layer structure comprising single ion conducting layers and polymer layers in contact with the first layer comprising lithium metal or in contact with an intermediate protective layer, such as a temporary protective metal layer, on the surface of the lithium-containing first layer. Another aspect of the invention provides an anode active layer formed by the in-situ deposition of lithium vapor and a reactive gas. The anodes of the current invention are particularly useful in electrochemical cells comprising sulfur-containing cathode active materials, such as elemental sulfur.

Abstract: A current collector for a nonaqueous electrolyte battery, in which oxygen content in the surface of an aluminum porous body is low. The current collector is made of an aluminum porous body. The content of oxygen in an aluminum porous body surface is 3.1% by mass or less. The aluminum porous body includes an aluminum alloy containing at least one Cr, Mn and transition metal elements. The aluminum porous body can be prepared by a method in which, after an aluminum alloy layer is formed on the surface of a resin of a resin body having continuous pores, the resin body is heated to a temperature of the melting point of the aluminum alloy or less to thermally decompose the resin body while applying a potential lower than the standard electrode potential of aluminum to the aluminum alloy layer with the resin body dipped in a molten salt.

Abstract: An optimal architecture for a polymer electrolyte battery, wherein one or more layers of electrolyte (e.g., solid block-copolymer) are situated between two electrodes, is disclosed. An anolyte layer, adjacent the anode, is chosen to be chemically and electrochemically stable against the anode active material. A catholyte layer, adjacent the cathode, is chosen to be chemically and electrochemically stable against the cathode active material.

Abstract: The electrolyte includes one or more salts and a silane. The silane has a silicon linked to one or more first substituents that each include a poly(alkylene oxide) moiety or a cyclic carbonate moiety. The silane can be linked to four of the first substituents. Alternately, the silane can be linked to the one or more first substituents and one or more second substituents that each exclude both a poly(alkylene oxide) moiety and a cyclic carbonate moiety.

Abstract: To provide a power storage apparatus which can achieve improved heat radiation of a power storage unit, a power storage apparatus has a power storage unit including an electrode element placed with an electrolyte layer, and a case housing the power storage unit and a cooling fluid which is used for cooling the power storage unit and is in contact with at least the electrode element.

Abstract: A composite solid electrolyte include a monolithic solid electrolyte base component that is a continuous matrix of an inorganic active metal ion conductor and a filler component used to eliminate through porosity in the solid electrolyte. In this way a solid electrolyte produced by any process that yields residual through porosity can be modified by the incorporation of a filler to form a substantially impervious composite solid electrolyte and eliminate through porosity in the base component. Methods of making the composites is also disclosed. The composites are generally useful in electrochemical cell structures such as battery cells and in particular protected active metal anodes, particularly lithium anodes, that are protected with a protective membrane architecture incorporating the composite solid electrolyte.

Abstract: A polymer electrolyte membrane comprising as a main ingredient a block copolymer (P) which comprises, as its constituents, a vinyl alcoholic polymer block (A) and a polymer block (B) having ion-conducting groups, which block copolymer (P) is cross-linking treated, and a membrane-electrode assembly and a fuel cell using the polymer electrolyte membrane, respectively. Preferred as polymer block (B) is one having a styrene or vinylnaphthalene skeleton or a 2-(meth)acrylamido-2-methylpropane skeleton. The ion-conducting group includes a sulfonic acid group, a phosphonic acid group or the like.

Abstract: A solid secondary battery that includes a positive electrode layer, a solid electrolyte layer including an oxide-based solid electrolyte, and a negative electrode layer. At least one of the positive electrode layer and the negative electrode layer, and the solid electrolyte layer are joined by sintering. At least one of the positive electrode layer and the negative electrode layer includes an electrode active material, and a conductive agent containing a carbon material, and the conductive agent includes a carbon material which has a specific surface area of 1000 m2/g or less.

Abstract: An energy storage device includes a first electrode comprising a first material and a second electrode comprising a second material, at least a portion of the first and second materials forming an interpenetrating network when dispersed in an electrolyte, the electrolyte, the first material and the second material are selected so that the first and second materials exert a repelling force on each other when combined. An electrochemical device, includes a first electrode in electrical communication with a first current collector; a second electrode in electrical communication with a second current collector; and an ionically conductive medium in ionic contact with said first and second electrodes, wherein at least a portion of the first and second electrodes form an interpenetrating network and wherein at least one of the first and second electrodes comprises an electrode structure providing two or more pathways to its current collector.

Abstract: The main object of the present invention is to provide a solid electrolyte with intergranular resistance decreased. The present invention solves the above-mentioned problem by providing a solid electrolyte comprising a garnet-type compound with Li ion conductivity as the main component, characterized in that a phosphate group-containing Li ion conductor is provided between particles of the above-mentioned garnet-type compound, and the phosphate group-containing Li ion conductor has a smaller particle diameter than a particle diameter of the above-mentioned garnet-type compound and makes face contact with the above-mentioned garnet-type compound.

Abstract: A solid electrolyte material that can react with an electrode active material to forms a high-resistance portion includes fluorine.

Abstract: A polymer electrolyte membrane includes a porous base membrane and electrolytes dispersed within the pores of the base membrane. The electrolytes include metal oxide compounds having acid functionality. A process for making the membrane is also provided. The membrane is compatible, durable, highly conductive, mechanically strong and dimensionally stable.

Abstract: The effective ionic conductivity in a composite structure is believed to decrease rapidly with volume fraction. A system, such as a bipolar device or energy storage device, has structures or components in which the diffusion length or path that electrodes or ions must traverse is minimized and the interfacial area exposed to the ions or electrons is maximized. In some embodiments, electrodes comprising a plurality of channels are provided, wherein the electrodes are constructed and arranged to allow diffusion of an ionic species from an electrolyte to a surface thereof. The device includes components that can be reticulated or has a reticulated interface so that an interface area can be increased. The increased interfacial perimeter increases the available sites for reaction of ionic species. The aspect ratio of the reticulated features can be varied. Such bipolar devices can be fabricated by a variety of methods or procedures.