Abstract: There is provided a method for producing a separator for an electricity storage device that includes a step of contacting a porous body formed from a silane-modified polyolefin-containing molded sheet with a base solution or acid solution, and a separator for an electricity storage device comprising a microporous film with a melted film rupture temperature of 180° C. to 220° C. as measured by thermomechanical analysis (TMA).

Abstract: There is provided a method for producing a separator for an electricity storage device that includes a step of contacting a porous body formed from a silane-modified polyolefin-containing molded sheet with a base solution or acid solution, and a separator for an electricity storage device comprising a microporous film with a melted film rupture temperature of 180° C. to 220° C. as measured by thermomechanical analysis (TMA).

Abstract: A porous electrolyte structure for a solid state battery is provided. The porous electrolyte structure has an interconnected ceramic matrix with a network of open pores disposed throughout a thickness of the porous electrolyte structure. The porous electrolyte structure includes a porosity of about 20% by volume to about 80% by volume. A solid state battery cell including the porous electrolyte structure and a method of making the solid state battery cell are also provided.

Abstract: The invention provides a method of improving the cycle-life of a lithium metal secondary battery. The method comprises implementing an anode-protecting layer between an anode active material layer and a porous separator/electrolyte, wherein the anode-protecting layer or cathode-protecting layer comprises a conductive sulfonated elastomer composite having from 0.01% to 40% by weight of a conductive reinforcement material and from 0.01% to 40% by weight of an electrochemically stable inorganic filler dispersed in a sulfonated elastomeric matrix material and the protecting layer has a thickness from 1 nm to 100 ?m, a fully recoverable tensile strain from 2% to 500%, a lithium ion conductivity from 10?7 S/cm to 5×10?2 S/cm, and an electrical conductivity from 10?7 S/cm to 100 S/cm when measured at room temperature.

Abstract: A battery cell system and method for manufacturing a battery cell system is provided. The battery cell system includes an electrode stack including a first anode with a first anode tab, a second anode with a second anode tab laterally offset from the first anode tab, a first cathode with a first cathode tab, and a second cathode with a second cathode tab laterally offset from the first cathode tab.

Abstract: Separator and electrolyte composites include a porous self-supporting separator film between or adjacent one or two electrolyte films. The electrolyte films may contain a glyme or mixture of glymes, LiX salt and complexing agent, such as PEO. The porous self-supporting separator film may be used dry or wetted with a liquid electrolyte composition. Solid state batteries and electrochemical cells are disclosed that include the described separator and electrolyte composites in combination with an anode and a cathode.

Abstract: A secondary battery includes a Z stack electrode assembly including a separator bent in a Z shape and including a plurality of bent areas, a first electrode plate on a lower portion of each of the bent areas, and a second electrode plate on an upper portion of each of the bent areas, and an exterior portion configured to accommodate the Z stack electrode assembly, and an outermost end area of the separator is bent to be thermally fused to a bent area of the plurality of bent areas of the separator.

Abstract: A filtration medium for a filter, having high dust collection efficiency, low pressure loss, a long service life and sufficient processing strength into a filter. A combined fiber nonwoven fabric includes first fibers having a mean fiber diameter of less than 200 nanometers, and second fibers having a mean fiber diameter in the range of 200 to 5000 nanometers, in which basis weight of the combined fiber nonwoven fabric is in the range of 2.1 to 15.0 g/m2.

Abstract: A protruding portion of a current collecting foil is provided at one end in a width direction over an entire length in a longitudinal direction. A first end of a positive electrode plate, which is located on a side on which the protruding portion is provided, is located outward of a second end in the width direction, the second end being an end of a positive electrode active material layer in the width direction located adjacent to the protruding portion. An insulating tape is interposed between a positive electrode plate and the negative electrode plate. Regarding a size and a position of the insulating tape, the insulating tape is provided in a region including the second end and the first end in the width direction, and the insulating tape is provided in a region including longitudinal ends of the positive electrode plate in the longitudinal direction.

Abstract: To provide a non-aqueous electrolytic solution for a storage device, which can reduce the electric resistance, which is excellent in cycle properties, and which can suppress gas generation by the reaction of the non-aqueous electrolytic solution, and a storage device. A non-aqueous electrolytic solution for a storage device having an electrolyte dissolved in a non-aqueous solvent, wherein the electrolyte is a lithium salt soluble in the non-aqueous solvent, and the non-aqueous electrolytic solution contains an organic sulfone compound represented by the following formula (1): wherein the symbols are as defined in the description.

Abstract: A separator is provided with a novel construction and/or a combination of improved properties. Batteries, methods, and systems associated therewith are also provided. In certain embodiments, novel or improved separators, battery separators, enhanced flooded battery separators, batteries, cells, and/or methods of manufacture and/or use of such separators, battery separators, enhanced flooded battery separators, cells, and/or batteries are provided. In addition, there is disclosed herein methods, systems, and battery separators having a reduced ER, improved puncture strength, improved separator CMD stiffness, improved oxidation resistance, reduced separator thickness, reduced basis weight, and any combination thereof.

Abstract: A battery cell, comprising a first electrode plate, an separator and a second electrode plate, the first electrode plate, the separator and the second electrode plate are stacked in sequence along a first direction, the battery cell also includes a first side surface and a second side surface which are disposed along the first direction and adjacent to each other, the first side surface and the second side surface are connected through a first connection region, the battery cell further includes an adhesive film, and the adhesive film is disposed in the first connection region, and is bonded to the first electrode plate, the separator and the second electrode plate, thereby improving safety of the battery cell.

Abstract: Disclosed herein are novel or improved microporous battery separator membranes, separators, batteries including such separators, methods of making such membranes, separators, and/or batteries, and/or methods of using such membranes, separators and/or batteries. Further disclosed are laminated multilayer polyolefin membranes with exterior layers comprising one or more polyethylenes, which exterior layers are designed to provide an exterior surface that has a low pin removal force. Further disclosed are battery separator membranes having increased electrolyte absorption capacity at the separator/electrode interface region, which may improve cycling. Further disclosed are battery separator membranes having improved adhesion to any number of coatings. Also described are battery separator membranes having a tunable thermal shutdown where the onset temperature of thermal shutdown may be raised or lowered and the rate of thermal shutdown may be changed or increased.

Abstract: Aspects of the disclosure relate to an insulator configured to attach to and extend along a length of a current collector of a battery cell. The insulator may include a body configured to prevent contact between the current collector and a housing of the battery cell. The insulator may include an attachment feature at a first end of the body. The attachment feature may be configured to attach the body to a first end of the current collector. The insulator may include a protrusion at a second end of the body. The protrusion may be configured to prevent rotation of the body with respect to the current collector.

Abstract: A polymer composition for producing gel extruded articles is described. The polymer composition contains polyethylene particles combined with a plasticizer and one or more shutdown reducing additives. The shutdown reducing additives decrease the shutdown temperature of polymer articles made from the polymer composition. In one embodiment, the polymer composition is used to form a porous membrane for use of a battery separator.

Abstract: Anion exchange membranes and materials including silica-based ceramics, and associated methods, are provided. In some aspects, anion exchange membranes that include a silica-based ceramic that forms a coating on and/or within a porous support membrane are described. The anion exchange membranes and materials may have certain structural or chemical attributes (e.g., pore size/distribution, chemical functionalization) that, alone or in combination, can result in advantageous performance characteristics in any of a variety of applications for which selective transport of positively charged ions through membranes/materials is desired. In some embodiments, the silica-based ceramic contains relatively small pores (e.g., substantially spherical nanopores) that may contribute to some such advantageous properties. In some embodiments, the anion exchange membrane or material includes quaternary ammonium groups covalently bound to the silica-based ceramic.

Abstract: An electrode includes: an active material coating portion coated with an electrode active material on at least one surface of an electrode collector; an active material non-coating portion which is formed on one side of the active material coating portion and is not coated with the electrode active material; and an electrode coating portion which is coated between the active material coating portion and the active material non-coating portion and contains a flame retardant.

Abstract: Systems and methods are provided for a slurry for coating an electrode structure. In one example, a method may include dispersing, by mixing at one or both of a high shear and a low shear, a solid ionically conductive polymer material in at least a first portion of a solvent to form a suspension, then dispersing, by mixing at the one or both of the high shear and the low shear, one or more additives in the suspension, and then mixing, at the one or both of the high shear and the low shear, a second portion of the solvent with the suspension to form a slurry. As such, the slurry including the solid ionically conductive polymer material may be applied as a coating in a solid-state battery cell, which may reduce resistance to Li-ion transport and improve mechanical stability relative to a conventional solid-state battery cell.

Abstract: An electrode sheet and a secondary battery comprising the same are provided. The electrode sheet comprises a current collector and an active material layer provided on at least one surface of the current collector. A first inorganic separation layer and a second inorganic separation layer are sequentially formed on the active material layer. The first inorganic separation layer comprises a plurality of pores having a diameter of 300 nm to 600 nm, and each of the plurality of pores extends from the first inorganic separation layer toward the second inorganic separation layer and penetrates through the second inorganic separation layer. The pore diameter of the pores in the second inorganic separation layer is uniform.

Abstract: A pouch exterior material that enables an electrode assembly to be easily mounted on an accommodating portion at a proper position, having an integrated shape and including an inserting portion provided at a center of the pouch exterior material and having a width equal to a thickness of the electrode assembly, accommodating portions provided symmetrically at two sides of the inserting portion and gradually deepening from a portion corresponding to a width center of the electrode assembly towards a portion corresponding to an edge of the electrode assembly, and a triangular stepped portion provided at two ends of the inserting portion and having a depth gradually decreasing towards an end.

Abstract: In the case in which a lithium metal is used in order to increase the capacity of a lithium secondary battery, reversibility of charging and discharging is reduced due to dendrite, etc. A lithium metal having LiF deposited thereon exhibits high stability, whereby reversibility of charging and discharging is increased. In addition, in the case in which LiF is deposited, the lithium metal, which is a negative electrode material, is not consumed, and the shape of a lithium metal electrode is not greatly changed.

Abstract: A substrate processing method includes forming a film of an ionic liquid on a surface of a substrate, on which a pattern is formed, by supplying the ionic liquid to the surface of the substrate, wherein the ionic liquid has a cation containing a hydrocarbon chain having six or more carbon atoms, and wherein at least one hydrogen atom in the hydrocarbon chain is substituted with a fluorine atom.

Abstract: Disclosed is a rechargeable battery having an integrated cell (12, 21, 33, 42). The rechargeable battery having an integrated cell (12, 21, 33, 42) includes a protective circuit board (11, 32, 41) disposed at the top of the battery and a cell (12, 21, 33, 42) disposed at the base of the battery. The cell includes a jellyroll (121, 43) and a metal housing (122, 22, 313, 44). The protective circuit board (11, 32, 41) is disposed on a protective board support structure (13, 36, 45). The cell (12, 21, 33, 42) is electrically connected to the protective circuit board (11, 32, 41) through a socket (14, 35, 46) disposed on the protective circuit board (11, 32, 41). A USB interface (15, 47) for charging the battery is disposed on the protective circuit board (11, 32, 41).

Abstract: An electrode according to an embodiment contains an electrode mixture layer containing an active material and a conductive assistant. In a logarithmic differential pore volume distribution by a mercury intrusion method, the electrode mixture layer satisfies: a ratio P1/P2 within a range of 2 or more and less than 8, and a ratio S1/S2 within a range of 3 or more and less than 10. P1 is a value of a maximum logarithmic differential pore volume in a pore diameter range of 0.1 ?m or more and 1 ?m or less. P2 is a value of a logarithmic differential pore volume of a pore diameter of 0.03 ?m. S1 is an integrated value in a pore diameter range of 0.1 ?m or more and 1 ?m or less. S2 is an integrated value in a pore diameter range of more than 0 ?m and less than 0.1 ?m.

Abstract: Silicon particles for active materials and electro-chemical cells are provided. The active materials comprising silicon particles described herein can be utilized as an electrode material for a battery. In certain embodiments, the composite material includes greater than 0% and less than about 90% by weight of silicon particles. The silicon particles have an average particle size between about 0.1 ?m and about 30 ?m and a surface including nanometer-sized features. The composite material also includes greater than 0% and less than about 90% by weight of one or more types of carbon phases. At least one of the one or more types of carbon phases is a substantially continuous phase.

Abstract: Devices for insulating the electrical terminals of cylindrical batteries, such as lithium-ion cells, to prevent the occurrence of shorting. One configuration is a device or apparatus which covers one or more terminals of the cell, thereby providing an insulative barrier, while still allowing the cell to be used. Another configuration is a cell covering partially covering the topmost portions of the negatively charged exterior cell case, closest to the positive terminal of the cell, and attaching the covering via a circumferential appendage which locks onto the cell. In another configuration the cell covering extends axially down the side of the cell case to cover part of, or the entirety of, the side of the negatively charged case.

Abstract: An ultrasonic solid-state lithium battery with built-in ultrasonic vibrating effect, including a battery case; and a positive electrode, a negative electrode and solid electrolyte installed on the battery case. A built-in ultrasonic vibrating module is provided within the positive electrode and/or negative electrode and/or solid electrolyte. The ultrasonic vibrating module has an ultrasonic vibrating element and an insulating layer covering the peripheral surfaces of the ultrasonic vibrating element. Wiring terminals electrically connected with the ultrasonic vibrating element are provided on or above a top end of the positive electrode and/or negative electrode and/or solid electrolyte.

Abstract: A secondary cell is disclosed, comprising a first end plate and a second end plate. The first end plate comprises a contacting tab configured to provide an electrical contact between a first electrode of an electrode assembly and a first terminal, as well as a first spacer arrangement arranged between the first end plate and the electrode assembly and configured to secure the electrode assembly in a length direction. The second end plate comprises a current collector and a second spacer arrangement, wherein the second spacer arrangement is arranged to secure the electrode assembly in the length direction and the current collector to secure the electrode assembly in a direction orthogonal to the length direction. A method for assembling such a cell is also disclosed.

Abstract: An electronic device includes a circuit boards that have a same or substantially same shape, and flat cables that have a same or substantially same shape. The circuit boards are provided in a predetermined arrangement and are connected by the flat cables. Each of the flat cables is a semi-rigid cable, having a shape in accordance with the predetermined arrangement of the circuit boards.

Abstract: An energy storage device for a motor vehicle includes a plurality of round cells for electrochemically storing energy, and a storage housing in which the plurality of round cells is provided. In the installed position, the round cells run substantially parallel to the vehicle transverse axis. The round cells are arranged within the storage housing in multiple layers in the direction of the vehicle vertical axis, wherein the number of layers varies in the direction of the vehicle longitudinal axis.

Abstract: An electrochemical stack assembly includes a laminated pouch surrounding a frame which encloses solid-state electrochemical cells and electrochemical stacks. In some embodiments, an electrochemical stack assembly includes one or more electrochemical cells, each electrochemical cell comprising a solid-state electrolyte to form at least one electrochemical stack with two major surfaces and four minor surfaces; a frame surrounding the at least one electrochemical stack with space between the frame and each of the four minor surfaces; and a laminated pouch surrounding the frame and the at least one electrochemical stack, the laminated pouch in contact with one or both of the major surfaces. In some embodiments, the frame comprises a tray. In some embodiments, the electrochemical stack assembly comprises two trays, each with an electrochemical stack comprising an electrochemical cell, the cell comprising a solid-state electrolyte.

Abstract: Battery separators and methods are disclosed. The battery separator may be used in a lithium battery. The separator may include a microporous membrane laminated to a coated nonwoven. The coating may contain a polymer and optionally, a filler or particles. The methods may include the steps of: unwinding the microporous membrane and the nonwoven, laminating the nonwoven and microporous membrane, and coating the nonwoven before or after lamination.

Abstract: The invention relates to lithium ion batteries and, more particularly, to lithium ion conducting composite polymer electrolyte separators. The separators include a nanofiber mat composed of electrospun nanofibers. The nanofibers include a polymer having one or more polar halogen groups, a lithium-containing solid or liquid electrolyte and nanoparticle filler. The polymer, electrolyte and filler are combined to form a solution that is subjected to the electro-spinning process to produce electrospun nanofibers in the form of the mat.

Abstract: A solid nanocomposite electrolyte material comprising a mesoporous dielectric material comprising a plurality of interconnected pores and an electrolyte layer covering inner surfaces of the mesoporous dielectric material. The electrolyte layer comprises: a first layer comprising a first dipolar compound or a first ionic compound, the first dipolar or ionic compound comprising a first pole of a first polarity and a second pole of a second polarity opposite to the first polarity, wherein the first layer is adsorbed on the inner surfaces with the first pole facing the inner surfaces; and a second layer covering the first layer, the second layer comprising a second ionic compound or a salt comprising first ions of the first polarity and second ions of the second polarity, wherein the first ions of the ionic compound or salt are bound to the first layer.

Abstract: There is provided a method for producing a separator for an electricity storage device that includes a step of contacting a porous body formed from a silane-modified polyolefin-containing molded sheet with a base solution or acid solution, and a separator for an electricity storage device comprising a microporous film with a melted film rupture temperature of 180° C. to 220° C. as measured by thermomechanical analysis (TMA).

Abstract: A solid polymer electrolyte precursor composition includes (i) one or more organic solvents; (ii) one or more cellulosic polymers dissolved in the organic solvent(s); (iii) one or more polymerizable components dissolved or dispersed in the organic solvent(s); (iv) one or more photo-initiators dissolved or dispersed in the organic solvent(s), where at least one of the one or more photo-initiators, following irradiation with light, promotes polymerization of at least one of the one or more polymerizable components; (v) one or more lithium ion sources dissolved or dispersed in the organic solvent(s); (vi) one or more plasticizers dissolved or dispersed in the organic solvent(s); and (vii) one or more ceramic particles dissolved or dispersed in the organic solvent(s).

Abstract: The invention provides a diaphragm for alkaline water electrolysis with reduced dissolution of an inorganic component in an alkali solution at low cost. The present invention relates to a diaphragm for alkaline water electrolysis, including magnesium hydroxide and an organic polymer resin.

Abstract: A cell includes a flat electrode assembly formed by superposing and winding respective first ends of a first electrode sheet, a first separator, a second electrode sheet, and a second separator. A first electrode tab is connected to the first electrode sheet, and a second electrode tab is connected to the second electrode sheet. The second electrode sheet includes a second current collector, a second outer membrane arranged on a surface facing away from a center of the cell, and a second inner membrane arranged on a surface facing the center of the cell. Respective starting ends of the second outer membrane and the second inner membrane are located on the second current collector between the first end of the second electrode sheet and a second bend. The second inner membrane is provided with an inner uncoated region at least at the second bend.

Abstract: An electrolyte solution containing a solvent and a compound represented by the following formula (1), wherein R1 is a C1-C5 linear or branched non-fluorinated alkyl group optionally containing an ether bond. Also disclosed is an electrochemical device including the electrolyte solution, a lithium ion secondary battery including the electrolyte solution and a module including the electrochemical device or lithium ion secondary battery.

Abstract: A battery module is provided comprising a plurality of battery cells and a housing having an internal space in which the plurality of battery cells are accommodated. The housing is at least partially formed of a plate member which is connected with the internal space. The plate member forms a flame or gas path which in an event of a battery cell malfunction generating a flame or gas is configured to discharge the generated flame or gas externally of the housing.

Abstract: A semiconductor solid state battery has an insulating layer provided between an N-type semiconductor and a P-type semiconductor. The first insulating layer preferably has a thickness of 3 nm to 30 ?m and a dielectric constant of 10 or less. The first insulating layer preferably has a density of 60% or more of a bulk body. The semiconductor layer preferably has a capture level introduced. The semiconductor solid state battery can eliminate leakage of an electrolyte solution.

Abstract: A composite membrane includes an ion-conductive polymer layer; and a plurality of gas blocking inorganic particles non-continuously aligned on the ion-conductive polymer layer, wherein the composite membrane has a radius of curvature of about 10 millimeters or less.

Abstract: The present invention relates to a lamination apparatus for a secondary battery, which thermally bonds an electrode assembly in which electrodes and separators are alternately stacked, the lamination apparatus comprising: a transfer member to transfer the electrode assembly; a support member to support each of top and bottom surfaces of the electrode assembly transferred by the transfer member; a heating member disposed outside the support member to heat the electrode assembly supported by the support member; and a moving member to move the heating member in a direction away from the electrode assembly.

Abstract: The present disclosure relates to a horizontal composite electricity supply structure, which comprises a first insulation layer, a second insulation layer, two electrically conductive layers, and a plurality of electrochemical system element groups. The two electrically conductive layers are disposed on the first and second insulation layers, respectively. The electrochemical system element groups are disposed between the first insulation layer and the second insulation layer, and connected in series and/or in parallel via the electrically conductive layers. The electrochemical system element group is formed by several serially connected electrochemical system elements. Each electrochemical system element includes a package layer on the sidewall, so that their electrolyte systems do not circulate with one another. Thereby, the high voltage produced by connection will not influence any single electrochemical system element nor decompose their respective electrolyte systems.

Abstract: In an aspect a system for battery environment management in an electric aircraft, where in the system include, at least a at least a battery pack mounted within a fuselage of an electric aircraft. A battery pack may include a plurality of batteries configured to provide electrical power to the electric aircraft. A battery pack may also include a pouch cell. Adjacent to the battery pack there may be at least a channel. A channel is configured to provide a flow path for directing battery ejecta to a predetermined location.

Abstract: Separator systems for electrochemical systems providing electronic, mechanical and chemical properties useful for applications including electrochemical storage and conversion. Separator systems include structural, physical and electrostatic attributes useful for managing and controlling dendrite formation and for improving the cycle life and rate capability of electrochemical cells including silicon anode based batteries, air cathode based batteries, redox flow batteries, solid electrolyte based systems, fuel cells, flow batteries and semisolid batteries.

Abstract: A horizontal composite electricity supply element group comprises a first insulation layer, a second insulation layer, a first patterned conductive layer, a second patterned conductive layer, and a plurality of electricity supply element groups. The first patterned conductive layer is disposed on the first insulation layer. The second patterned conductive layer is disposed on the second insulation layer. The plurality of electricity supply element groups are disposed between the first insulation layer and the second insulation layer, and connected in series and/or in parallel via the first patterned conductive layer and the second patterned conductive layer. The electricity supply element group is formed by several serially connected independent electricity supply elements whose electrolyte systems do not circulate with one another. Thereby, the high voltage produced by connection will not influence any single electricity supply element nor decompose their respective electrolyte systems.

Abstract: A cylindrical secondary battery includes a bottomed cylindrical battery case having an opening, an electrode group, an electrolyte solution, and a sealing member blocking the opening of the battery case. The electrode group includes a positive electrode, a negative electrode, and a separator. The negative electrode includes a negative electrode current collector and a negative electrode mix layer placed on at least one principal surface of the negative electrode current collector. The negative electrode mix layer includes a non-facing region not facing the positive electrode mix layer. The density of the negative electrode mix layer is 1.25 g/cm3 to 1.43 g/cm3, the ratio of the entire length of the non-facing region to the entire length of the negative electrode mix layer is 0.09 or more, and the inside diameter of a hollow section of the electrode group is 2.0 mm or less.

Abstract: Disclosed is a method of manufacturing an electrode-separator composite: including (S1) coating an electrode active material slurry on at least one surface of an electrode current collector and drying to form an electrode, (S2) coating a polymer solution containing polymer particles on at least one surface of the electrode to form a separator coating layer, and (S3) drying the separator coating layer to form a porous separator, and an electrode-separator composite manufactured by the manufacturing method and a lithium secondary battery comprising the same.

Abstract: Provided is a method for manufacturing a mono cell having a sheet-like negative electrode, a sheet-like separator and a sheet-like positive electrode laminated in this order. In this manufacturing method, adhesives are disposed at a plurality of points on an upper surface of the negative electrode, then, the negative electrode is bonded to a lower surface of the separator, and furthermore, adhesives are disposed at a plurality of points on a lower surface of the positive electrode, then the positive electrode is bonded to an upper surface of the separator. When viewed in the lamination direction of the mono cell, the positions of the adhesives and the positions of the adhesives do not overlap each other. Then, adhesives are disposed at a plurality of points on an upper surface of the positive electrode, and a lower surface of a separator is bonded to the upper surface of the positive electrode.