Abstract: A coating amount is adjusted based on a result of the inspecting step, then the coating amount is not adjusted during a standby period (Wt) which is a time taken to transfer the film from a coating section (21) to an inspecting section (26), and then the coating amount is adjusted based on the result of the inspecting step after the standby period has elapsed. With the configuration, an amount of a coating layer on a film base material is stabilized.

Abstract: A battery separator has performance enhancing additives or coatings, fillers with increased friability, increased ionic diffusion, decreased tortuosity, increased wettability, reduced oil content, reduced thickness, decreased electrical resistance, and/or increased porosity. The separator in a battery reduces the water loss, lowers acid stratification, lowers the voltage drop, and/or increases the CCA.

Abstract: An anode and a lithium ion battery employing the same are provided. The anode includes a lithium-containing layer and a single-ion conductive layer. The single-ion conductive layer includes an inorganic particle, a single-ion conductor polymer, and a binder. The single-ion conductor polymer has a first repeat unit of Formula (I), a second repeat unit of Formula (II), a third repeat unit of Formula (III), and a fourth repeat unit of Formula (IV) wherein R1 is O?M+, SO3?M+, N(SO2F)?M+, N(SO2CF3)?M+, N(SO2CF2CF3)?M+, COO?M+, or PO4?M+; M+ is Li+, Na+, K+, Cs+, or a combination thereof; and R2 is CH3, CH2CH3, or CH2CH2OCH2CH3. In particular, the weight ratio of the inorganic particle to the sum of the single-ion conductor polymer and the binder is from 4:1 to 9:1, and the weight ratio of the binder to the single-ion conductor polymer is from 1:1 to 9:1.

Abstract: The present invention provides a sodium secondary battery capable of reducing the amount of lithium used, and ensuring a larger discharge capacity maintenance rate when having repeated a charge and discharge, as compared with conventional techniques; and a mixed metal oxide usable as the positive electrode active material therefor. A mixed metal oxide of the present invention comprises Na and M1 wherein M1 represents three or more elements selected from the group consisting of Mn, Fe, Co and Ni with an Na:M1 molar ratio being a:1 wherein a is a value falling within the range of more than 0.5 and less than 1. Also, a mixed metal oxide of the present invention is represented by the following formula (1): NaaM1O2??(1) wherein M1 and a each have the same meaning as above. The positive electrode active material for secondary batteries of the present invention comprises the mixed metal oxide above.

Abstract: A battery is provided. The battery includes a positive electrode; a negative electrode; and an electrolyte that includes an electrolyte salt, a solvent, a matrix polymer, and a ceramic powder; wherein the matrix polymer is at least one selected from the group consisting of polyvinyl formal, polyacrylic acid ester, polyvinylidene fluoride, a copolymer of polyvinyl formal, a copolymer of polyacrylic acid ester and a copolymer of polyvinylidene fluoride; and wherein a mass ratio of the ceramic powder to the matrix polymer ranges from 2/1 to 5/1.

Abstract: A temperature control plate for controlling the temperature of components. The temperature control plate is formed of a plastic-metal composite material which includes a metal fiber fabric that is surrounded by a thermoset plastic. A casing contains the components. The temperature control plate is configured for conducting heat away from temperature-exposed components.

Abstract: A porous membrane for a secondary battery including non-electroconductive particles and a binder for a porous membrane, wherein the non-electroconductive particles are particles of a polymer, an arithmetic mean value of a shape factor of the non-electroconductive particles is 1.05 to 1.60, a variation coefficient of the shape factor is 16% or less, and a variation coefficient of a particle diameter of the non-electroconductive particles is 26% or less; manufacturing method thereof; and an electrode, a separator and a battery having the same.

Abstract: A composite electrode includes a mixture of active matter (AM) particles and EC material particles generating an electronic conductivity, the mixture being supported by an electrical lead forming a DC current collector. The electrode can be manufactured by a method which consists of modifying the AM particles and the EC particles so as to react with each other and with the material of the collector in order to form covalent and electrostatic bonds between said particles, as well as between the particles and the current collector, and then placing the different constituents in contact.

Abstract: Embodiments of the present invention facilitate a winding process and enable auxiliary current collectors to be securely fixed to a main current collector, thereby minimizing deformation during battery charging and discharging and maintaining sufficient strength. The jelly roll includes a first auxiliary current collector, a second auxiliary current collector, a mandrel insulating layer, and an electrode plate. The first auxiliary current collector and the second auxiliary current collector are spaced apart from each other and each has a mandrel protrusion on an opposite end portion. The mandrel insulating layer insulates the auxiliary current collectors from each other and insulates the auxiliary current collectors from an exterior. The electrode plate is formed by layering a separator, a first electrode plate, a separator and a second electrode plate and is wound on an external surface of the mandrel insulating layer.

Abstract: A lithium secondary battery is provided. The battery comprises: a positive electrode and a negative electrode which each has a specific composition and specific properties; and a nonaqueous electrolyte which contains a cyclic siloxane compound of formula (1), a fluorosilane compound of formula (2), a compound of formula (3), compound having an S—F bond in the molecule, nitric acid salt, nitrous acid salt, monofluorophosphoric acid salt, difluorophosphoric acid salt, acetic acid salt, or propionic acid salt in an amount of 10 ppm or more of the whole nonaqueous electrolyte.

Abstract: A lithium ion battery includes a positive electrode, a negative electrode, a microporous polymer separator disposed between the negative electrode and the positive electrode, and a polymer having a chelating agent tethered thereto. The polymer is incorporated into the lithium ion battery such that the chelating agent complexes with metal cations in a manner sufficient to not affect movement of lithium ions across the microporous polymer separator during operation of the lithium ion battery.

Abstract: Disclosed is an electrode whose surface includes an organic/inorganic composite porous coating layer comprising heat-absorbing inorganic particles and a binder polymer, wherein the heat-absorbing inorganic particle is at least one particle selected from the group consisting of antimony-containing compounds, metal hydroxides, guanidine-based compounds, boron-containing compounds and zinc tartrate compounds. A separator using the heat-absorbing inorganic particles as a component for forming or coating the separator, and an electrochemical device including the electrode and/or the separator are also disclosed. The separator using the heat-absorbing inorganic particles as a component for forming or coating the separator can ensure excellent thermal safety and minimizes degradation of the quality of a battery.

Abstract: A porous interlayer for a lithium-sulfur battery includes an electronic component and a negatively charged or chargeable lithium ion conducting component. The electronic component is selected from a carbon material, a conductive polymeric material, and combinations thereof. In an example, the porous interlayer may be disposed between a sulfur-based positive electrode and a porous polymer separator in a lithium-sulfur battery. In another example, the porous interlayer may be formed on a surface of a porous polymer separator.

Abstract: A magnesium battery (10) is constituted of a negative electrode (1), a positive electrode (2) and an electrolyte (3). The negative electrode (1) is formed of metallic magnesium and can also be formed of an alloy. The positive electrode (2) is composed of a positive electrode active material, for example, a metal oxide, graphite fluoride ((CF)n) or the like, etc. The electrolytic solution (3) is, for example, a magnesium ion-containing nonaqueous electrolytic solution prepared by dissolving magnesium(II) chloride (MgCl2) and dimethylaluminum chloride ((CH3)2AlCl) in tetrahydrofuran (THF). In the case of dissolving and depositing magnesium by using this electrolytic solution, the following reaction proceeds in the normal direction or reverse direction.

Abstract: A nonaqueous electrolyte battery includes: an electrode group including a positive electrode and a negative electrode; and a nonaqueous electrolyte including an electrolytic solution, the electrode group including an insulating layer, the insulating layer containing a ceramic, the electrolytic solution including an electrolyte salt and an additive, the electrolyte salt including the compound of formula (1), and the additive being at least one of the compounds of formulae (2) to (14), and the compound of formula (1) being contained in 0.001 mol/L to 2.5 mol/L with respect to the electrolytic solution.

Abstract: One embodiment includes a rechargeable charge storage device including a microcapsule disposed within said rechargeable charge storage device; and a thermal retardant chemical species contained within said microcapsule, wherein said microcapsule is adapted to release said chemical species upon being exposed to a triggering event either prior to or during an unstable rise in temperature of said charge storage device.

Abstract: A composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode. The composite cathode active material includes: a lithium transition metal oxide; and a lithium-containing impurity on a surface of the lithium transition metal oxide. The lithium-containing impurity includes free lithium in an amount of about 0.050 wt % or less based on a total weight of the composite cathode active material, and LiOH and Li2CO3 in a mole ratio of LiOH to Li2CO3 of about 0.50 or less.

Abstract: The invention provides a material for a lithium ion secondary battery, containing an aluminum silicate having an element molar ratio (Si/Al) of silicon (Si) to aluminum (Al) of 0.3 or more and less than 1.0, as well as an anode for a lithium ion secondary battery, a cathode material for a lithium ion secondary battery, a cathode mix for a lithium ion secondary battery, a cathode for a lithium ion secondary battery, an electrolyte solution for a lithium ion secondary battery, a separator for a lithium ion secondary battery, a binder for a lithium ion secondary battery, and a lithium ion secondary battery, which contain the material for a lithium ion secondary battery.

Abstract: A separator for an energy storage cell that is provided by a microporous web that includes an irreversible porosity-controlling agent a method for changing an operating characteristic of an energy storage cell.

Abstract: A non-aqueous electrolyte composition, useful in batteries, capacitors and the like, said electrolyte composition comprising an electrolyte support salt, a non-aqueous electrolyte carrier, and a polycyclic aromatic amine, e.g., a naphthyl amine.

Abstract: A battery separator for a lead/acid battery is resistant to oxidation arising from the use of water or acid containing contaminants, for example chromium (Cr), manganese (Mn), titanium (Ti), copper (Cu), and the like. The separator is a microporous membrane including a rubber. The rubber is no more than about 12% by weight of the separator. The rubber may be rubber latex, tire crumb, and combinations thereof. The rubber may be impregnated into the microporous membrane. The microporous membrane may be a microporous sheet of polyolefin, polyvinyl chloride, phenol-formaldehyde resins, cross-linked rubber, or nonwoven fibers. A method for preventing the oxidation and/or extending battery life of the separator is also included.

Abstract: In a lithium ion battery, one or more chelating agents may be attached to a microporous polymer separator for placement between a negative electrode and a positive electrode or to a polymer binder material used to construct the negative electrode, the positive electrode, or both. The chelating agents may comprise, for example, at least one of a crown ether, a podand, a lariat ether, a calixarene, a calixcrown, or mixtures thereof. The chelating agents can help improve the useful life of the lithium ion battery by complexing with unwanted metal cations that may become present in the battery's electrolyte solution while, at the same time, not significantly interfering with the movement of lithium ions between the negative and positive electrodes.

Abstract: One embodiment may include a lithium ion battery, wherein one or more chelating agents may be attached to a battery component.

Abstract: Provided is a battery system in which an interior part of a battery structure includes phase-change particles including a capsule and phase-change materials. The phase-change materials have a high latent heat of phase change at a specific temperature, and are encapsulated in the capsule. The capsule is made of an inert material. The battery system in accordance with the present invention can prolong a service life of the battery by inhibiting temperature elevation inside the battery under normal operating conditions without substantial effects on size, shape and performance of the battery, and further, can inhibit the risk of explosion resulting from a sharp increase in temperature inside the battery under abnormal operating conditions, thereby contributing to battery safety.

Abstract: In one embodiment, an energy storage device is provided which includes a cathode and an anode with a separator therebetween. At least one of the cathode or the anode has a rigid polymer matrix with an active material and elongated electrically conducting material having ion conducting moieties bonded thereto within the polymer matrix.

Abstract: A separator for an energy storage cell having a microporous matrix including a reversible porosity-controlling agent. The porosity-controlling agent is selected from the group consisting of agents that change size as a function of temperature, agents that change size as a function of electrolyte concentration, and agents that change size as a function of temperature and electrolyte concentration to provide a change in an overall porosity of the separator.

Abstract: The present invention provides a lithium-sulfur battery with a polysulfide confining layer, which can prevent loss of polysulfide formed on the surface of a positive electrode during charge and discharge reactions, thus improving the durability of the battery. For this purpose, the present invention provides a lithium-sulfur battery including a hydrophilic polysulfide confining layer interposed between a positive electrode and a separator to prevent a polysulfide-based material from being lost from the surface of the positive electrode during discharge.

Abstract: An alkali-chalcogen cell, in particular a lithium-sulfur cell. In order to increase the long-term stability and lifespan of the alkali-chalcogen cell, the separator of the alkali-chalcogen cell is provided with a polymer-ionophore component, in particular a polymer-ionophore diaphragm, including a polymeric matrix material and alkali-ionophores, in particular lithium ionophores.

Abstract: An object of this invention is to improve battery performance such as a rate capability of a nonaqueous electrolyte solution secondary battery using a separator constituting a thermoplastic resin-based porous film containing a filler. This invention provides a nonaqueous electrolyte solution secondary battery separator which is formed from a porous film containing a thermoplastic resin and a filler contained in the thermoplastic resin and has a content of chlorine of 10 ppm or less or a content of iron of 100 ppm or less as well as relates to a nonaqueous electrolyte solution secondary battery using this separator.

Abstract: A battery management system includes one or more lithium ion cells in electrical connection, each said cell comprising: first and second working electrodes and one or more reference electrodes, each reference electrode electronically isolated from the working electrodes and having a separate tab or current collector exiting the cell and providing an additional terminal for electrical measurement; and a battery management system comprising a battery state-of-charge monitor, said monitor being operable for receiving information relating to the potential difference of the working electrodes and the potential of one or more of the working electrodes versus the reference electrode.

Abstract: A lithium ion battery includes a positive electrode, a negative electrode, a microporous polymer separator disposed between the negative electrode and the positive electrode, and a polymer having a chelating agent tethered thereto. The polymer is incorporated into the lithium ion battery such that the chelating agent complexes with metal cations in a manner sufficient to not affect movement of lithium ions across the microporous polymer separator during operation of the lithium ion battery.

Abstract: The disclosure describes compositions and methods for producing a change in the voltage at which hydrogen gas is produced in a lead acid battery. The compositions and methods relate to producing a concentration of one or more metal ions in the lead acid battery electrolyte.

Abstract: A microporous silica-filled polyolefin separator (80) has a material composition that includes a fraction of cured rubber powder exhibiting low or no porosity. The cured rubber powder is a material derived from one or both of passenger and truck tires. The cured rubber powders exhibit the properties of increasing hydrogen evolution overpotential on the negative lead electrode and of decreasing the effect of antimony deposited on the negative electrode of the lead-acid battery. Incorporation of these cured rubber powders into the formulation of a microporous silica-filled polyethylene separator results in improved electrochemical properties in deep-cycle lead-acid batteries.

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: A non-aqueous electrolyte battery according to the present invention is a non-aqueous electrolyte battery including a positive electrode, a negative electrode, a separator and a non-aqueous electrolyte, wherein aluminum silicate or a derivative thereof is contained in a location that can come into contact with the non-aqueous electrolyte in the battery. In the non-aqueous electrolyte battery, it is preferable that at least one of the separator, the positive electrode, the negative electrode and the non-aqueous electrolyte contains aluminum silicate or a derivative thereof.

Abstract: A separator substrate include a substrate having a bulk portion and a surface portion, the surface portion having at least one porous area with a net charge; and ionic particles coupling to at least a part of the at least one porous area. The ionic particles have a net charge of an opposite sign to the net charge of the at least one porous area. The coupling between the part of the at least one porous area and the ionic particles may result in at least one of a good electrochemical performance, chemical stability, thermal stability, wettability, and mechanical strength of the separator substrate.

Abstract: Disclosed are glass compositions, glass fiber compositions, glass fiber battery separators, glass fiber filter media, battery additives and active materials formed with glass compositions disclosed, glass fiber radiation shields, and glass fiber paper compositions. Certain embodiments include, among other components, bismuth oxide. Certain embodiments include about 0.5-30% bismuth oxide of the composition by weight and silica oxide at about 54-70% of the composition by weight. Embodiments may also include other components. For example, zinc oxide can make up about 0.01-3% of the composition by weight.

Abstract: A porous sheet which has good balance between electrolytic solution permeability and dry-up resistance, is superior in high-rate property, and is suitable for a separator for an electrochemical element, and a manufacturing method thereof are provided. The present invention relates to a porous sheet comprising a porous substrate containing non-fibrillar fibers having an average fiber diameter of 0.01-10 ?m and a net-like structural body composed of a polymer, the net-like structural body having penetrating pores with a pore diameter of 0.01-10 ?m, wherein the net-like structural body is present at the surface and at the internal of the porous substrate and the non-fibrillar fibers having an average fiber diameter of 0.01-10 ?m and the net-like structural body are entangled; to a separator for an electrochemical element comprising the porous sheet; and to a method for manufacturing the porous sheet.

Abstract: A lithium battery includes a substrate, a positive electrode layer, a negative electrode layer, and a sulfide solid electrolyte layer disposed between the positive electrode layer and the negative electrode layer, the positive electrode layer, the negative electrode layer, and the sulfide solid electrolyte layer being provided on the substrate. In this lithium battery, the positive electrode layer is formed by a vapor-phase deposition method, and a buffer layer that suppresses nonuniformity of distribution of lithium ions near the interface between the positive electrode layer and the sulfide solid electrolyte layer is provided between the positive electrode layer and the sulfide solid electrolyte layer. As the buffer layer, a lithium-ion conductive oxide, in particular, LixLa(2?x)/3TiO3 (x=0.1 to 0.5), Li7+xLa3Zr2O12+(x/2) (?5?x?3, preferably ?2?x?2), or LiNbO3 is preferably used.

Abstract: An electrode assembly includes a positive electrode including a positive electrode active material; a negative electrode including a negative electrode active material; and a separator separating the positive electrode and the negative electrode from each other, and the separator including a porous layer formed by a combination of a barium titanate (BaTiO3) and a binder.

Abstract: An electrode assembly and a secondary battery having the same are provided. The electrode assembly includes a positive electrode including a positive electrode active material layer, a negative electrode including a negative electrode active material layer, and a porous layer for separating the positive and negative electrodes from each other that is formed of a combination of a ceramic material having a particle size of about 50 to 300 nm (particle size distribution value: D50) and a binder. Moreover, the porous layer contains an antacid. The secondary battery having the electrode assembly has satisfactory lifespan and overcharge characteristics.

Abstract: A separator includes a porous substrate having a plurality of pores; and a porous coating layer formed on at least one surface of the porous substrate and made of a mixture of a plurality of inorganic particles and a binder polymer, wherein the binder polymer includes a first polyvinylidene fluoride based copolymer having solubility of 25 weight % or more with respect to acetone at 35° C.; a second polyvinylidene fluoride-based copolymer having solubility of 10 weight % or less with respect to acetone at 35° C.; and a polymer having a cyano group. This separator decelerates deterioration of life span of an electrochemical device, and prevents disintercalation of inorganic particles in the porous coating layer, thereby improving safety of the electrochemical device.

Abstract: One embodiment may include a lithium ion battery, wherein one or more chelating agents may be attached to a battery component

Abstract: In accordance with at least selected embodiments or aspects, the present invention is directed to improved, unique, and/or high performance ISS lead acid battery separators, such as improved ISS flooded lead acid battery separators, ISS batteries including such separators, methods of production, and/or methods of use. The preferred ISS separator may include negative cross ribs and/or PIMS minerals. In accordance with more particular embodiments or examples, a PIMS mineral (preferably fish meal, a bio-mineral) is provided as at least a partial substitution for the silica filler component in a silica filled lead acid battery separator (preferably a polyethylene/silica separator formulation). In accordance with at least selected embodiments, the present invention is directed to new or improved batteries, separators, components, and/or compositions having heavy metal removal capabilities and/or methods of manufacture and/or methods of use thereof.

Abstract: A subject for the invention is to improve the cycle characteristics of a high-capacity secondary battery containing an active material packed at a high density, by using a particulate active material having a low aspect ratio. The invention relates to a nonaqueous-electrolyte secondary battery comprising a negative electrode and a positive electrode each capable of occluding/releasing lithium, a separator, and a nonaqueous electrolyte solution comprising a nonaqueous solvent and a lithium salt, characterized in that the separator comprises a porous film made of a thermoplastic resin containing an inorganic filler, and at least either of the following is satisfied: the active material contained in the negative electrode is a particulate active material having an aspect ratio of from 1.02 to 3; and the active material contained in the positive electrode is a particulate active material having an aspect ratio of from 1.02 to 2.2.

Abstract: A lead storage battery of the present invention has an electrode plate pack including: a plurality of negative electrode plates in each of which a negative electrode active material layer is retained by a negative electrode grid, a plurality of positive electrode plates in each of which a positive electrode active material layer is retained by a positive electrode grid, and a plurality of separators separating the positive and negative electrode plate; a positive electrode connecting member connected to each positive electrode plate of the electrode plate pack; and a negative electrode connecting member connected to each negative electrode plate of the electrode plate pack. The positive and negative electrode grids, and the positive and negative electrode connecting members comprise a Pb alloy including at least one of Ca and Sn, the negative electrode grid further includes Sb in a part thereof excluding the tab part, and the separator includes silica.

Abstract: A surface treated anode and a lithium battery using the same are provided. The surface treated anode includes a current collector, and an anode active material layer formed on the current collector. The anode active material layer is treated with an amine group containing compound.

Abstract: In an electric storage device, lithium electrodes are disposed on respective outermost portions of an electrode laminated unit in which a positive electrode and a negative electrode are laminated alternately via positive/negative electrode separators. The lithium electrode includes lithium metal serving as a lithium ion supply source, and a lithium electrode separator (a non-woven fabric separator) constituted by a non-woven fabric that satisfies the following conditions: (a) an average fiber diameter of 0.1 ?m to 10 ?m; and (b) a thickness of 5 ?m to 500 ?m is provided. By forming the lithium electrode separator that contacts the lithium electrode including the lithium ion supply source from a non-woven fabric in this manner, a dramatic improvement can be achieved in the cycle characteristic of the electric storage device.

Abstract: Disclosed herein is a secondary battery including an electrode assembly that can be charged and discharged, wherein the electrode assembly includes an electrode (‘safety electrode’) composed of a material that effects an electrochemical reaction when the secondary battery is overcharged (Overcharge reaction material’). The safety electrode according to the present invention is not directly added to components related to the operation of the secondary battery. Consequently, the safety electrode does not deteriorate the performance of the battery during the normal operation of the battery, and the safety electrode consumes the overcharge current through the electrochemical reaction, when the battery is overcharged, whereby the safety of the battery is fundamentally secured.

Abstract: Electronic short-circuiting between the anode and cathode in Li ion accumulators or batteries, an electronic separate of anode must be present with minimum electronic conductivity. To this end, in general a separating layer in the form of porous films, non-woven fabrics or nets made of polypropylene or similar polymers and containing Li ion-conducting salts and ceramic particles is used. Disadvantages of the known separating layers are the low thermal resistance and thereby embodiments with a high energy content, expensive manufacturing processes and complex interaction of the chemical substances used in the separating layers.