Abstract: A separator for an electrochemical device including a porous polymer substrate and a porous coating layer on at least one side of the porous polymer substrate. The porous coating layer includes first binder particles, second binder particles, and inorganic particles. The inorganic particles are mostly dispersed in a first surface region of the porous coating layer, and the second binder particles are mostly dispersed in a second surface region of the porous polymer substrate, in which the first surface region faces the porous polymer substrate and the second surface region is an opposite surface region to the first surface region. The inorganic particles have a larger weight per particle than each respective weight per particle of the first and second binder particles.

Abstract: An alkaline battery separator containing an alkali resistant fiber and a binder, wherein the alkaline battery separator has two surfaces which are a surface A that is smoother comparing with the other surface and has an arithmetic mean surface roughness Ra (A), and a surface B that is rougher and has an arithmetic mean surface roughness Ra (B), the amount of the binder is 5 to 20% by mass based on the total mass of the separator, a value obtained by dividing the arithmetic mean surface roughness Ra (A) by the arithmetic mean surface roughness Ra (B) [Ra (A)/Ra (B)] is 0.700 or more and 0.980 or less, and the arithmetic mean surface roughness Ra (B) of the surface B is 3.0 ?m or more and 10 ?m or less.

Abstract: A blood purification device includes a porous molded body containing an inorganic ion-adsorbing material and is characterized by the following: the concentrations of Mg, Al, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Ga, Rb, Sr, Y, Zr, Mo, Ru, Ag, Cd, Sn, Cs, La, Pr, Sm, Gd, Tb, Ta, Au, Tl, Co, In, and Bi are each 0.1 ppb or less and the concentrations of Ba, Nd, Pb, And Ce are each 1 ppb or less in a physiological saline solution for injection both three months and six months after said physiological saline solution for injection is sealed in the blood purification device; and the number of fine particles having a size of 10 ?m or more is 25 or less and the number of fine particles having a size of 25 ?m or more is 3 or less in 1 mL of the physiological saline solution for injection.

Abstract: A negative electrode for a lithium secondary battery and a lithium secondary battery including the negative electrode are disclosed. The negative electrode includes a negative electrode current collector, a first negative electrode active material layer present on the negative electrode current collector, and a second negative electrode active material layer present on the first negative electrode active material layer. The first negative electrode active material layer includes two or more kinds of first negative electrode active materials, and the second negative electrode active material layer includes a second negative electrode active material having swelling that is smaller than that of the first negative electrode active material layer. Therefore, the surface of the negative electrode does not exhibit deformation during pre-lithiation.

Abstract: An energy storage apparatus includes an energy storage device and a spacer, in which the spacer has a main body portion, and a third protrusion having a shape that protrudes in a first direction that is a direction from the main body portion to a side surface or a bottom surface of the energy storage device, the protrusion not abutting on a surface of the energy storage device that faces the first direction, and an end edge of the main body portion in the first direction is positioned away in the first direction relative to the surface of the energy storage device that faces the first direction.

Abstract: A plurality of battery cells each having a prismatic shape, a fixing member that fixes the plurality of battery cells in a stacked state, and a thermal insulation sheet that is sandwiched between stacking surfaces of battery cells and thermally insulates the adjacent battery cells, wherein thermal insulation sheet is an inorganic fiber sheet in which inorganic fibers are aggregated in a three-dimensionally non-directional manner and fine voids are provided between the inorganic fibers.

Abstract: This disclosure details exemplary immersion cooling battery array designs for use in electrified vehicle battery packs or other electrified components. An exemplary battery array design may include a battery subassembly including a compressible spacer assembly and a plurality of battery cells held by the compressible spacer assembly. The battery subassembly may be surrounded by an outer shell assembly. A non-conductive (i.e., dielectric) fluid may be received and communicated inside the outer shell assembly for thermally managing heat generated by the battery cells.

Abstract: Disclosed herein are embodiments of doped and undoped spherical or spheroidal lithium lanthanum zirconium oxide (LLZO) powder products, and methods of production using microwave plasma processing, which can be incorporated into solid state lithium ion batteries. Advantageously, embodiments of the disclosed LLZO powder display a high quality, high purity stoichiometry, small particle size, narrow size distribution, spherical morphology, and customizable crystalline structure.

Abstract: An aspect of the present application provides a separator comprising a porous substrate, and a first coating layer disposed on at least one surface of the porous substrate and comprising an inorganic particle and a binder. The first coating layer comprises a first region and a second region, the first coating layer in the first region comprises a first thickness, and the first coating layer in the second region comprises a second thickness; the first thickness is greater than the second thickness, and the area in the second region is greater than the area in the first region. Another aspect of the present application provides a lithium ion battery comprising a positive electrode, a negative electrode and the above separator. The purpose of the present application is to provide a separator having an increased thickness in a partial coating layer and a lithium ion battery comprising the above separator.

Abstract: A separator which includes: a porous polymer substrate having a plurality of pores; a separator base including a porous coating layer formed on at least one surface of the porous polymer substrate; and an adhesive layer formed on at least one surface of the separator base, said adhesive layer comprising a plurality of second inorganic particles and adhesive resin particles, wherein the weight ratio of the second inorganic particles to the adhesive resin particles is 5:95-60:40, and the diameter of the adhesive resin particles is 1.1-3.5 times the diameter of the second inorganic particles. An electrochemical device including the separator is also disclosed. The separator shows improved adhesion between an electrode and the separator, maintains the pores of the adhesive layer even after a process of electrode lamination, and improves the resistance of an electrochemical device.

Abstract: A method for manufacturing a separator, including the steps of: (S1) preparing a dispersion containing inorganic particles dispersed in a first solvent and a first binder polymer dissolved in the first solvent; (S2) preparing a binder polymer solution containing a second binder polymer dissolved in a second solvent, and mixing the binder polymer solution with the dispersion so that a combined weight of the inorganic particles and the first binder polymer in the dispersion may be 1.5-8 times of a weight of the second binder polymer in the binder polymer solution; and (S3) applying the resultant mixture to at least one surface of a porous polymer substrate, followed by drying, to form a porous coating layer on the porous polymer substrate. Also, a separator obtained by the method and an electrochemical device including the same.

Abstract: A pasting carrier for a lead-acid battery. The pasting carrier includes a nonwoven fiber mat having a thickness between 5 and 50 mils, the nonwoven fiber mat being composed of a plurality of entangled glass microfibers.

Abstract: Flexible batteries, comprising at least two cells, wherein at least two cells are connected by flexible connectors, such that the battery can be bent. The batteries can be incorporated into clothing and gear.

Abstract: The present application relates to an ink composition for a secondary battery separator, a separator for a secondary battery including the same, and a method for preparing the same.

Abstract: According to one embodiment, an electrode group includes a positive electrode active material-containing layer, a negative electrode active material-containing layer, a lithium ion conductive layer, and a porous layer. The lithium ion conductive layer includes lithium-containing inorganic particles. The lithium ion conductive layer covers at least part of the positive electrode active material-containing layer. The porous layer covers at least part of the negative electrode active material-containing layer. The positive electrode active material-containing layer and the negative electrode active material-containing layer face each other via the lithium ion conductive layer and the porous layer.

Abstract: Disclosed are a separator and an electrochemical device including the same. The separator includes: a porous substrate having a plurality of pores; and a pair of porous coating layers formed on at least one surface of the porous substrate, and including a plurality of inorganic particles and a binder disposed partially or totally on the surface of the inorganic particles to connect and fix the inorganic particles with each other, wherein the binder is used in an amount of 5-40 wt % based on the total weight of the porous coating layer, the inorganic particles include boehmite particles, the binder includes a fluorine-based binder and a rubber-based binder, and the fluorine-based binder and the rubber-based binder are used at a weight ratio of 80:20-99.9:0.1.

Abstract: An environment control system utilizes oxygen and humidity control devices that are coupled with an enclosure to independently control the oxygen concentration and the humidity level within the enclosure. An oxygen depletion device may be an oxygen depletion electrolyzer cell that reacts with oxygen within the cell and produces water through electrochemical reactions. A desiccating device may be g, a dehumidification electrolyzer cell, a desiccator, a membrane desiccator or a condenser. A controller may control the amount of voltage and/or current provided to the oxygen depletion electrolyzer cell and therefore the rate of oxygen reduction and may control the amount of voltage and/or current provided to the dehumidification electrolyzer cell and therefore the rate of humidity reduction. The oxygen level may be determined by the measurement of voltage and a limiting current of the oxygen depletion electrolyzer cell. The enclosure may be a food or artifact enclosure.

Abstract: A method of charging a secondary battery, including first, second and third charging sections in which a CC-charging performed as first, second, and third Crate (C1, C2, C3), respectively, is supplied until the voltage of the secondary battery reaches a respective first, second and third charging cutoff voltage (V1), (V2), (V3) and a CV-charging is performed as the respective charging C-rate gradually decreases in response to reaching the respective charging cutoff voltage (V1), (V2), (V3), wherein the charging cutoff voltage satisfies the V1=n?(0.25˜0.15), V2 n?(0.2˜0.1), and V3=n (here, ‘n’ is an electric potential at the full charge of the secondary battery), and V1<V2<V3.

Abstract: A nonaqueous electrolyte secondary battery separator is provided in which thickness unevenness caused by wrinkles is reduced. The nonaqueous electrolyte secondary battery separator includes a polyolefin porous film, and when a test piece cut out from the nonaqueous electrolyte secondary battery separator is immersed in propylene carbonate, the test piece exhibits an elongation percentage difference of not more than 0.20%; the elongation percentage difference being a difference between (i) an elongation percentage in a longitudinal direction of the test piece as observed after 30 minutes of immersion in propylene carbonate and (ii) an elongation percentage in the longitudinal direction of the test piece as observed after 24 hours of immersion in propylene carbonate.

Abstract: Disclosed are a composite electrolyte, including: a network web formed of a fiber containing a polymer and inorganic particles, wherein a content of the inorganic particles is 5 wt % or less based on a total weight of the composite electrolyte, a preparing method thereof, and a lithium metal battery including the same.

Abstract: There is provided an electrode assembly including a first electrode laminate having at least one or more electrode units having a first area, stacked therein, a second electrode laminate having at least one or more electrode units having a second area smaller than the first area, stacked therein, and a step portion provided by stacking the first electrode laminate and the second electrode laminate in a direction perpendicular to a plane and having a step formed due to a difference in areas of the first and second electrode laminates, the electrode assembly being characterized in that, the electrode unit is wound by a rectangular-shaped separation film such that at least a portion of the rectangular-shaped separation film covers the step portion of the electrode assembly, and a step having a shape identical to the step portion is formed.

Abstract: The present application describes the use of a solid electrolyte interphase (SEI) fluorinating precursor and/or an SEI fluorinating compound to coat an electrode material and create an artificial SEI layer. These modifications may increase surface passivation of the electrodes, SEI robustness, and structural stability of the silicon-containing electrodes.

Abstract: A separator for an electrochemical element interposed between a pair of electrodes, capable of holding an organic electrolytic solution contains an electrolyte. The separator is a wet-laid nonwoven fabric containing 10-50 mass % of thermoplastic synthetic fibers and 50-90 mass % of beaten regenerated cellulose fibers having a mean fiber length of 0.2-2.0 mm, the separator has a thickness of 10-70 ?m and a density of 0.25-0.90 g/cm3, including two parts obtained by bisecting a cross-section of the separator in a thickness direction. Two A-parts with a small number of the thermoplastic synthetic fibers and B-part with a large number of the thermoplastic synthetic fibers, and the A and B parts are formed into a single layer in an integrated manner; a value obtained by dividing the number of thermoplastic synthetic fibers in the A part by the number of the thermoplastic synthetic fibers in the B part is 0.85 or less.

Abstract: The present invention relates to a solid polymer electrolyte formed of a polymer matrix including a lithium ion conductor, and a method of preparing the same. The solid polymer electrolyte of the present invention can be molded in the form of a film and used in an electrochemical device such as a lithium polymer secondary battery or the like.

Abstract: This invention is related to a type of Air Metal Fuel Cell. The Air Metal Fuel Cell in this invention is made of a positive air electrode, metal negative electrode, membrane/membrane bag, siphon material, electrolyte, mandrel, shockproof buffer layer, cathode electrolyte, positive electrolyte, battery shell and supporting fixing device. There is a hydrophobic structure layer between the positive and negative electrodes. The advantages of the invented cell include high energy density, low production costs, and superior safety and reliability.

Abstract: The present disclosure relates to a composite separator, a preparation method of the composite separator, and an electrochemical device containing the composite separator. The composite separator includes a substrate and an inorganic layer disposed on at least one surface of the substrate. The substrate is a porous substrate, and the inorganic layer is an inorganic dielectric layer which is a continuous dense film layer with porosity lower than 10% and contains no binder. A thickness of the inorganic layer is 20 nm-1000 nm. An interfacial peeling force between the inorganic layer and the substrate is no less than 30 N/m. The separator of the present application has high wettability with respect to electrolyte, almost no thermal shrinkage, relatively high mechanical strength, and favorable corrosion resistance and durability performances, and thus, a battery using the separator has relatively high thermal stability and nailing strength.

Abstract: Provided are separators for use in batteries and capacitors comprising (a) at least 50% by weight of an aluminum oxide and (b) an organic polymer, wherein the aluminum oxide is surface modified by treatment with an organic acid to form a modified aluminum oxide, and wherein the treatment provides dispersibility of the aluminum oxide in aprotic solvents such as N-methyl pyrrolidone. Preferably, the organic acid is a sulfonic acid, such as p-toluenesulfonic acid. Also preferably, the organic polymer is a fluorinated polymer, such as polyvinylidene fluoride. Also provided are electrochemical cells and capacitors comprising such separators.

Abstract: An insulating (nonconductive) microporous nonwoven polymeric battery separator comprised of a single layer of enmeshed microfibers and nanofibers and supercalendered to extremely thin dimensions and high densities is provided. Such a separator accords the ability to not only attune the porosity and pore size to any desired level through a single nonwoven fabric, but provide further benefits in terms of further reduced pore size, reduced electrolyte level requirements, and reduced total volume of the subject battery cell itself. As a result, the inventive separator permits a high strength material with low porosity and low pore size to levels previously unattained. The separator, a battery including such a separator, the method of manufacturing such a separator, and the method of utilizing such a separator within a battery device, are all encompassed within this invention.

Abstract: Chemical additives are disclosed to increase solubility of salts in liquefied gas electrolytes.

Abstract: A method for manufacturing an electrode having a laminated body including an insulating layer laminated on an electrode active material layer, said method comprising: a step of laminating an insulating layer on an electrode active material layer formed on a base, such that a thickness value of the insulating layer is at least twice a surface roughness Rz value of the electrode active material layer, the surface roughness Rz value being a ten point average roughness as measured in accordance with JIS B0601 1994.

Abstract: Disclosed is a method for manufacturing a separator for an electrochemical device. The method contributes to formation of a separator with good bondability to electrodes and prevents inorganic particles from detaching during an assembling process of an electrochemical device.

Abstract: A battery has an integrated flame retardant device, wherein the battery has: a cathode layer, a separating layer, and an anode layer, wherein the separating layer is arranged between the cathode layer and the anode layer, wherein the separating layer is impermeable to electrons and permeable to at least one positive type of ion, wherein the separating layer has a flame retardant device having at least one glass fibre, which includes a closed cavity, and wherein a flame retardant is arranged in the cavity. The battery has increased fire resistance.

Abstract: A separator having a first polymer diaphragm and a second polymer diaphragm and a layer between the first polymer diaphragm and the second polymer diaphragm including particles featuring low elasticity, the first polymer diaphragm and the second polymer diaphragm being interconnected, which may be periodically, by first support elements. In addition, a galvanic cell and a battery having such a separator are provided.

Abstract: A positive electrode plate includes a front positive electrode active material layer on a front surface of a positive electrode metal foil, and having a positive electrode large tapered portion that extends at an incline from one edge of the front surface of the positive electrode metal foil at a positive electrode large inclination angle. A negative electrode plate includes a front negative electrode active material layer on a front surface of a negative electrode metal foil, and having a negative electrode large tapered portion that extends at an incline from one edge of the front surface of the negative electrode metal foil at a negative electrode large inclination angle. The positive and negative electrode plates are alternately laminated with a separator interposed therebetween such that each of their front surfaces is oriented in the same direction in the rear-to-front directional axis along the thickness of the plates.

Abstract: Provided are an organic/inorganic composite electrolyte, an electrode-electrolyte assembly and a lithium secondary battery including the organic/inorganic composite electrolyte, and a manufacturing method of the electrode-electrolyte assembly. The porous organic/inorganic composite electrolyte, includes a first pore peak in a pore size range of about 100 nm to about 300 nm in a total pore distribution chart, and 50% or more of pores having a pore size range of about 100 nm to about 300 nm based on a total pore volume.

Abstract: A binder composition for a non-aqueous secondary battery porous membrane comprises: a polymer; and an organic solvent, wherein a boiling point of the organic solvent is 30° C. or more and 100° C. or less, and an absolute difference |SPdiff|=|SPp?SPs| between a solubility parameter SPp of the polymer and a solubility parameter SPs of the organic solvent is 1.5 or more and 6.0 or less.

Abstract: A pasting carrier for a lead-acid battery. The pasting carrier includes a nonwoven fiber mat having a thickness between 5 and 50 mils, the nonwoven fiber mat being composed of a plurality of entangled glass microfibers.

Abstract: An electrode-composite separator assembly for a lithium battery, the electrode-composite separator assembly including an electrode; and a composite separator, wherein the composite separator includes a separator, and a coating film disposed on a surface of the separator, wherein the coating film includes a copolymer including an electrolyte-insoluble repeating unit and a repeating unit represented by Formula 1; and at least one selected from an inorganic particle and an organic-inorganic particle, wherein the electrode-composite separator assembly does not have an exothermic peak between 400° C. to 480° C. when analyzed by differential scanning calorimetry, wherein Formula 1 is wherein, in Formula 1, R3 is hydrogen or a C1-C5 alkyl group, and R4 is a C1-C10 alkyl group. Also, a lithium battery including the electrode-composite separator assembly.

Abstract: An anaerobic aluminum-water electrochemical cell is provided. The electrochemical cell includes: a plurality of electrode stacks, each electrode stack comprising an aluminum or aluminum alloy anode, and at least one cathode configured to be electrically coupled to the anode and having a surface characterized by an electrochemical roughness factor of at least 5 and a mean pore diameter of at least 50 ?m; one or more physical separators between each electrode stack adjacent to the cathode; a housing configured to hold the electrode stacks, an electrolyte, and the physical separators; and a water injection port, in the housing, configured to introduce water into the housing.

Abstract: A separator for a battery includes a base having an anode side configured to contact an anode of the battery and a cathode side configured to contact a cathode of the battery. The anode side has a different material consistency than the cathode side.

Abstract: Provided is a lithium ion secondary battery including, as components accommodated in a container, a positive electrode that intercalates and deintercalates lithium, a negative electrode that intercalates and deintercalates lithium, a nonaqueous electrolytic solution that contains a lithium salt, and a separator that is interposed between the positive electrode and the negative electrode. The separator includes a porous resin layer containing polyolefin as a main component.

Abstract: A composite membrane includes: an organic layer having a plurality of through holes; and ion conductive inorganic particles disposed in the through holes, wherein a hydrophobic coating layer is disposed on a surface of the ion conductive inorganic particles.

Abstract: A cable type secondary battery includes an inner electrode support; and a sheet-like inner electrode—separation layer—outer electrode complex which is spirally wound around the outer side of the inner electrode support. The inner electrode—separation layer—outer electrode complex is formed such that an inner electrode, a separation layer, and an outer electrode are compressed integrally. According to one embodiment, an electrode and a separation layer are bonded integrally so that the separation layer in close contact with the electrode absorbs electrolyte so as to induce a uniform supply of the electrolyte to an outer electrode active material layer, thereby increasing the stability and performance of a cable type secondary battery. In addition, the cable type secondary battery has a sheet-like electrode, whereby the resistance of the cable type secondary battery is reduced and the performance of the battery may be improved.

Abstract: Provided herein are a variety of porous separator materials, particularly those prepared by gas-assisted electrospray and electrospinning processes.

Abstract: Provided is a lithium ion capacitor that is capable, during internal short circuiting, of suppressing an increase in capacitor temperature and controlling the onset of gasification, smoking and ignition, and of having preferably both low resistance (i.e., high output density) and high cycle characteristics. The lithium ion capacitor comprises an electrode laminated body stored in a casing together with a non-aqueous electrolytic solution containing a lithium ion-containing electrolyte; wherein the electrode laminated body is laminated so that a negative electrode collector having a negative electrode active material comprised of a carbon material, and a positive electrode body having a positive electrode active material face each other through a laminated separator where a polyolefin porous membrane and an insulating porous membrane are laminated; and characterized in that the insulating porous membrane is in contact with the negative electrode body.

Abstract: Electrodeposited copper foils having adequate puncture strength to withstand both pressure application during consolidation with negative electrode active materials during manufacture, as well as expansion/contraction during repeated charge/discharging cycles when used in a rechargeable secondary battery are described. These copper foils find specific utility as current collectors in rechargeable secondary batteries, particularly in lithium secondary battery with high capacity. Methods of making the copper foils, methods of producing negative electrode for use in lithium secondary battery and lithium secondary battery of high capacity are also described.

Abstract: Disclosed is a method for manufacturing an all-solid-state lithium ion battery in which a laminated battery is coated with a thermosetting resin, capable of preventing the thermosetting resin from cracking due to charge and discharge of the all-solid-state lithium ion battery after the battery is coated with the thermosetting resin, the method including a first step of laminating a cathode layer, a solid electrolyte layer and an anode layer to form a laminated battery having both end faces in a lamination direction and side faces, a second step of charging the laminated battery until the laminated battery has 100% to 112% of state of charge, a third step of coating at least the side faces of the laminated battery that is charged with a thermosetting resin in an uncured state, and a fourth step of heating to cure the thermosetting resin.

Abstract: The present invention includes a process for producing treated filler that includes (a) treating a slurry that includes untreated filler where the untreated filler has not been previously dried, with a treating composition that includes a treating agent, thereby forming a treated filler slurry, and (b) drying the treated filler slurry to produce treated filler. The treating agent can include an unsaturated fatty acid, derivative of an unsaturated fatty acid, or salt thereof. The present invention also is directed to treated filler prepared by the process, as well as rubber compounding compositions and tires including the treated filler.

Abstract: Disclosed are a separator for an electrochemical device substantially comprising inorganic particles to provide an excellent mechanical strength, an electrochemical device comprising the same, and a method of manufacturing the separator using a high internal phase emulsion (HIPE).

Abstract: An object of the present invention is to provide a solid lithium secondary battery in which occurrence of short-circuit is suppressed during charging. The object is attained by providing a solid lithium secondary battery comprising an anode current collector, a solid electrolyte layer, a cathode active material layer, and a cathode current collector in this order, wherein the solid electrolyte layer is provided on a surface of the anode current collector, the solid electrolyte layer contains a sulfide solid electrolyte particle, a surface shape of the solid electrolyte layer, which faces the anode current collector, is formed in correspondence with a surface shape of the anode current collector, and 10-point average roughness (Rz) of the surface of the anode current collector on a solid electrolyte layer side, and 10-point average roughness (Rz) of a surface of the solid electrolyte layer on an anode current collector side are in a range of 1.8 ?m to 2.5 ?m, respectively.