Abstract: A negative electrode material includes an active material, which is present in an amount ranging from about 60 wt % to about 95 wt % of a total wt % of the negative electrode material. The negative electrode material further includes a polyimide binder, which is present in an amount ranging from about 1 wt % to about 20 wt % of the total wt % of the negative electrode material. The polyimide binder contains a repeating unit, where a backbone structure of each repeating unit has no ether group present and no more than one carbonyl group present. The negative electrode material also includes a conductive filler, which is present in an amount ranging from about 3 wt % to about 20 wt % of the total wt % of the negative electrode material.

Abstract: The present invention concerns a device for producing electrical energy comprising two cells intended to contain two solutions of different concentrations of at least one solute and separated by at least one separation membrane in which channels are arranged, each of the cells being provided with an electrode intended to be in contact with the solution that said cell will contain, characterized in that the walls of the channels consist of a material chosen from boron nitride, carbon doped with boron, boron nitride doped with carbon, or any other mixture of the elements boron, carbon and nitrogen, and a method for producing electrical energy that implements such a device.

Abstract: A lead-acid battery improving the charge acceptance in an initial stage, suppressing the decrease of the charge acceptance for a long time use of the battery and having a long life is provided. In a lead-acid battery using a paste type negative plate prepared by filling a past form negative active material using a lead powder as a starting material in a collector made of a lead alloy, a flake graphite and a condensate of bisphenols and aminobenzene sulfonic acid are contained in the negative active material. The average primary particle diameter of the flake graphite is 10 ?m or more and 220 ?m or less, preferably, 100 ?m or more and 220 ?m or less. The content of the flake graphite is preferably from 0.5 mass parts to 2.7 mass parts and, more preferably, from 1.1 mass parts to 2.2 mass parts based on 100 mass parts of the negative active material (spongy metallic lead) in a fully charged state.

Abstract: Provided is a method of manufacturing a superconducting wire. A superconducting tape having an outer surface is provided, a copper layer is formed on the outer surface of the superconducting tape, and first metal tape and second metal tape are respectively attached on a first surface and a second surface of the superconducting tape on which the copper layer is formed.

Abstract: A lithium-air battery includes a lithium anode; an air cathode; and a separator between the lithium anode and an air cathode the separator including a cross-linked polysiloxane.

Abstract: An object of the present invention is to provide a secondary battery in which the decomposition of an electrolyte liquid is suppressed and the generation of a gas is reduced, even in the case of using a laminate film as a package.

Abstract: The present disclosure provides a separator for lithium battery, particularly to a separator including a middle layer formed by a punch method. Also, a manufacturing method of the separator is provided. The separator formed by the punch method has a better heat-resistant property in an elevated temperature and features a high mechanical strength.

Abstract: The present invention relates to an electrode paste manufacturing system that includes, a twin screw extrusion mixer, a mohno pump that is connected at an inlet thereof to an outlet of the twin screw extrusion mixer, a deaerating tank that is connected to an outlet of the mohno pump, and a vacuum pump that is connected at an inlet thereof to the deaerating tank. The vacuum pump is configured such that a conduit system on the deaerating tank side of an airtight line formed at a contact portion between a rotor and a stator of the mohno pump is a closed system with the airtight line being a boundary.

Abstract: An electrode material containing an electrode active material, and a carbonaceous coating film which covers the electrode active material and contains sulfur; and an electrode material including a secondary particle including a plurality of primary particles as the electrode active material, wherein the primary particles are covered with a carbonaceous coating film so that the carbonaceous coating film is interposed between the primary particles and the carbonaceous coating film contains sulfur.

Abstract: The present invention provides a positive electrode material for a nickel-zinc secondary battery, a positive electrode for a nickel-zinc secondary battery and a method for preparing the positive electrode. The positive electrode material for a nickel-zinc secondary battery provided by the present invention includes: 68 wt %˜69 wt % positive electrode active material, 0.6 wt %˜1 wt % yttrium oxide, 0.2 wt %˜0.6 wt % calcium hydroxide, 3.5 wt %˜4 wt % nickel powder, and a binder in balance; the positive electrode active material being a spherical nickel hydroxide coated with Co (III). The positive electrode material for a nickel-zinc secondary battery provided by the present invention contains no Co(II) ion and cadmium ion. The positive electrode prepared by the positive electrode material provided by the present invention can reduce the amount of hydrogen evolved in the battery while ensuring relatively high electrode charging/discharging capacity.

Abstract: A lithium ion secondary battery electrode according to the present invention includes (A) a non-fluorinated polymer; (B) an active material; (C) a thickener; and (D) a conductive auxiliary agent. An elution ratio of (A) the non-fluorinated polymer in an electrolytic solution solvent at 60° C. is equal to or less than 1.0 mass %, and a swelling ratio of (A) the non-fluorinated polymer in the electrolytic solution solvent at 60° C. is equal to or more than 10 mass % and equal to or less than 50 mass %.

Abstract: A novel hybrid lithium-ion anode material based on coaxially coated Si shells on vertically aligned carbon nanofiber (CNF) arrays. The unique cup-stacking graphitic microstructure makes the bare vertically aligned CNF array an effective Li+ intercalation medium. Highly reversible Li+ intercalation and extraction were observed at high power rates. More importantly, the highly conductive and mechanically stable CNF core optionally supports a coaxially coated amorphous Si shell which has much higher theoretical specific capacity by forming fully lithiated alloy. Addition of surface effect dominant sites in close proximity to the intercalation medium results in a hybrid device that includes advantages of both batteries and capacitors.

Abstract: An air battery containing an electrode and a polymer film, wherein the polymer film is disposed on the air intake side of the electrode, and the polymer film is a film of a polymer comprising a repeating unit represented by the following formula (1), wherein R1, R2, and m are defined in the specification.

Abstract: To provide a lithium ion secondary battery electrode in which a coated layer is held on a surface of an active material layer over a long period of time to suppress decomposition of the electrolysis solution and to enhance the cyclability, a manufacturing process for the same, and a lithium ion secondary battery using the electrode. A lithium ion secondary battery electrode includes a current collector, an active material layer containing a binder formed on a surface of the current collector, and a coated layer formed on the surface of at least a part of the active material layer, wherein the coated layer is an acrylic type copolymer cured substance including an acrylic type main chain and a side chain having polyester or polyether graft-polymerized to the acrylic type main chain and the coated layer is chemically bonded with the binder.

Abstract: The invention relates to an electrochemical lithium accumulator comprising at least one first electrochemical cell and at least one second electrochemical cell separated from each other by a current-collecting substrate, which substrate supports on a first face, an electrode of said first electrochemical cell, and on its second face opposite to said first face, an electrode of opposite sign of said second electrochemical cell, each cell comprising a positive electrode and a negative electrode separated by an electrolyte, characterized inter alia in that said current-collecting substrate is in copper or in copper alloy.

Abstract: Provided are: a porous electrode substrate which has excellent handling properties and surface smoothness and satisfactory gas permeability and electrical conductivity, and enables the reduction of damage to a polymer electrolyte membrane when integrated into a fuel cell; and a process for producing the porous electrode substrate.

Abstract: The invention relates to a method of preparing an electrochemical electrode which is partially or totally covered with a film that is obtained by spreading an aqueous solution comprising a water-soluble binder over the electrode and subsequently drying same. The production cost of the electrodes thus obtained is reduced and the surface porosity thereof is associated with desirable resistance values.

Abstract: Electrochemical capacitors and methods for producing such electrochemical capacitors. The electrochemical capacitor can have an initial charged state and a cycled charged state and can include an anode, a cathode, and an electrolyte. The anode can include a first mixture having a first plurality of electrically conductive carbon-comprising particles having a first average porosity. The cathode can include a second mixture having a second plurality of electrically conductive carbon-comprising particles having a second average porosity greater than said first average porosity. The electrolyte can be physically and electrically contacting said anode and said cathode, and the first mixture in the cycled charged state can be substantially free of lithium metal particles and can further include a plurality of lithium ions intercalating the first plurality of carbon comprising particles. The mass ratio of the cathode and the electrolyte can be less than 1.

Abstract: Liquid-free lithium-air cells are provided which incorporate a solid electrolyte having enhanced ionic transport and catalytic activity. The solid electrolyte is positioned between a lithium anode and an oxygen cathode, and comprises a glass-ceramic and/or a polymer-ceramic electrolyte including a dielectric additive.

Abstract: The invention relates to a negative active material for a rechargeable lithium battery, including an inner layer including a material being capable of doping and dedoping lithium, a carbon layer outside the inner layer, and an outer layer disposed on the carbon layer and including a material being capable of doping and dedoping lithium. The materials being capable of doping and dedoping lithium may be the same or different from each other. The invention further relates to a method of preparing the negative active material including: preparing a tube-shaped template with a hollow part; forming an outer layer including a material which can dope and dedope lithium inside the template; forming an inner precursor layer including a material which can dope and dedope lithium modified with an organic functional group inside the outer layer; annealing the template; and removing the template.

Abstract: The object of an exemplary embodiment of the invention is to provide a secondary battery with a high performance in which the generation of the swelling can be suppressed and in which the cycle property is excellent. An exemplary embodiment of the invention is a secondary battery, comprising an electrode assembly in which a positive electrode and a negative electrode are oppositely disposed, an electrolyte liquid, and a package which encloses the electrode assembly and the electrolyte liquid inside; wherein the negative electrode is formed by binding a negative electrode active substance, which comprises metal (a) that can be alloyed with lithium, metal oxide (b) that can absorb and desorb lithium ion, and carbon material (c) that can absorb and desorb lithium ion, to a negative electrode collector with at least one selected from polyimides and a polyamide-imides; and wherein the electrolyte liquid comprises a compound represented by any one of predetermined formulae.

Abstract: An object is to provide a higher-performance secondary battery, particularly to provide a secondary battery having a low impedance. The present exemplary embodiment is a secondary battery comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other, an electrolyte liquid, and a package accommodating the electrode assembly and the electrolyte liquid, wherein the negative electrode includes a negative electrode active substance containing at least one selected from a metal (a) capable of being alloyed with lithium, and a metal oxide (b) capable of occluding and releasing lithium ions, a negative electrode binder, and a negative electrode current collector; and the electrolyte liquid contains a sulfide compound.

Abstract: The present disclosure provides an anode for a secondary battery, comprising a wire-type current collector; a metallic anode active material layer formed on the surface of the wire-type current collector and comprising a metallic anode active material; and an inert metal layer formed on the surface of the metallic anode active material layer and having no reactivity with lithium.

Abstract: An electrical energy storage device 20 is disclosed as a secondary battery device 22 having an anode 28 containing Aluminum and Indium and a cathode 38 that includes an electroactive layer 42 with a host lattice 44 having a conjugated system with delocalized it electrons. A dopant 48 containing Aluminum is bonded with and intercalated in the host lattice 44. A membrane 34 of cellulose is wetted with a non-aqueous electrolyte 24 containing glycerol and first ions 26 containing Aluminum and having a positive charge and second ions 27 containing Aluminum and having a negative charge, and is sandwiched between the anode 28 and the cathode 38. A method for constructing a secondary battery device 22 is disclosed as well, including steps for producing the electrolyte 24, the anode 28, and the cathode 38 including the dopant 48.

Abstract: A biodegradable battery is provided. The battery includes an anode comprising a material including an inner surface and an outer surface, wherein electrochemical oxidation of the anode material results in the formation of a reaction product that is substantially non-toxic and a cathode comprising a material including an inner surface and an outer surface, the inner surface of the cathode being in direct physical contact with the inner surface of the anode, wherein electrochemical reduction of the cathode material results in the formation of a reaction product that is substantially non-toxic, and wherein the cathode material presents a larger standard reduction potential than the anode material.

Abstract: A cathode material comprising an active material, a carbon material, a binder polymer, a lithium salt, and a solvent. The cathode material has a viscosity in the range from about from about 3.0 to about 30.0 cP such that the cathode material can be applied to a surface using an ink jet print head. An anode base material includes from about 50% to about 85% by weight of metallic lithium particles substantially free from other metals and from about 15% to about 50% by weight of a solvent. The anode base material has a viscosity such that the anode base material can be extruded.

Abstract: There is provided an improvement for capacitors having activated carbon electrodes by the use of an electrolyte solution containing a carbonate of the formula RO(C?O)OR1 and a conductive salt such as a lithium salt or a quaternary ammonium salt at a concentration of from 0.6 to 3 mol/l.

Abstract: An electroactive composition includes an anodic material; a poly(arylene oxide); and stabilized lithium metal particles; where the stabilized lithium metal particles have a size less than about 200 ?m in diameter, are coated with a lithium salt, are present in an amount of about 0.1 wt % to about 5 wt %, and are dispersed throughout the composition. Lithium secondary batteries including the electroactive composition along with methods of making the electroactive composition are also discussed.

Abstract: An object of the present invention is to provide a negative electrode for a lithium ion secondary battery with the excellent high-temperature cycle characteristic, and a lithium ion secondary battery including the same. In the negative electrode active material for a lithium ion secondary battery according to the present invention, a surface of a negative electrode active material including silicon or silicon oxide is coated with a polymer compound, and the polymer compound includes a polyacrylic acid derivative whose carboxyl groups at ends of side chains are cross-linked with a divalent metal cation (Mg2+, Ca2+, Sr2+, Ba2+, Co2+, Ni2+, Cu2+, or Zn2+).

Abstract: Provided are active materials for electrochemical cells. The active materials include silicon containing structures and treatment layers covering at least some surface of these structures. The treatment layers may include aminosilane, a poly(amine), and a poly(imine). These layers are used to increase adhesion of the structures to polymer binders within active material layers of the electrode. As such, when the silicon containing structures change their size during cycling, the bonds between the binder and the silicon containing structure structures or, more specifically, the bonds between the binder and the treatment layer are retained and cycling characteristics of the electrochemical cells are preserved. Also provided are electrochemical cells fabricated with such active materials and methods of fabricating these active materials and electrochemical cells.

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: A composite having an electrically conductive substrate and a polymer derived from a vinyl-containing siloxane monomer coating on the substrate. A method of electropolymerizing a vinyl-containing siloxane monomer to form a coating on an electrically conductive substrate.

Abstract: Metal-sulfur batteries, such as lithium-sulfur batteries, are prepared using one or more organosulfur species such as organic polysulfides and organic polythiolates as part of the liquid or gel electrolyte solution, as part of the cathode, and/or as part of a functionalized porous polymer providing an intermediate separator element.

Abstract: A positive electrode active material layer comprises a coating layer for coating at least part of surfaces of positive electrode active material particles. The coating layer comprises alternate layers of a cationic material layer containing a cationic material having a positive zeta potential and an anionic material layer containing an anionic material having a negative zeta potential under neutral conditions, and a material layer having a zeta potential of opposite sign to that of the positive electrode active material particles is bonded to the surfaces of the positive electrode active material particles. The coating layer is thin and uniform, and has a high strength for bonding to the positive electrode active material particles, so the coating layer suppresses direct contact of the positive electrode active material particles and an electrolytic solution even when a nonaqueous secondary battery is used at a high voltage.

Abstract: A lithium ion battery cathode additive includes a core-shell coating structure formed by elemental lithium powder and a polymer coated on the surface of the elemental lithium powder, where the polymer can dissolve in a carbonic ester solvent, the polymer cannot react with N,N-dimethylformamide (DMF), N,N-dimethylacetamide (DMAc), N-2-methyl pyrrolidone (NMP), tetrahydrofuran (THF), acetone or methanol, and the polymer exists stably at a temperature of 0-150° C. The lithium ion battery cathode additive may be added in a lithium ion battery cathode material as a lithium source, for compensating lithium consumption of a battery cathode in a first-time charge-discharge process. Embodiments of the present invention further provide a fabrication method of the lithium ion battery cathode additive, a lithium ion battery cathode sheet and a lithium ion battery that include the lithium ion battery cathode additive, where the lithium ion battery has high energy density and a long cycle life.

Abstract: Disclosed are an anode active material for secondary batteries, capable of intercalating and deintercalating ions, the anode active material including a core including a crystalline carbon-based material, and a composite coating layer including one or more materials selected from the group consisting of low crystalline carbon and amorphous carbon, and a hydrophilic material containing oxide capable of intercalating and deintercalating ions, wherein the composite coating layer includes a matrix comprising one component selected from (a) the one or more materials selected from the group consisting of low crystalline carbon and amorphous carbon and (b) the hydrophilic material containing oxide capable of intercalating and deintercalating ions, and a filler including the other component, incorporated in the matrix, and a secondary battery including the anode active material.

Abstract: Disclosed herein is an organic radical polyimide, represented by Formula 1 below: The organic radical polyimide can be applied to a cathode, an anode or the like, and can be widely applied to an organic solar cell, an organic transistor, organic memory or the like. Further, the organic radical polyimide can be used to manufacture a secondary battery having high energy density because it has high radical density. Further, the organic radical polyimide can be formed into an ultrathin film such as a polymer film and can be used to manufacture a flexible next-generation battery because it does not include metal components and causes a stable oxidation-reduction reaction.

Abstract: Selenium or selenium-containing compounds may be used as electroactive materials in electrodes or electrochemical devices. The selenium or selenium-containing compound is mixed with a carbon material.

Abstract: A positive electrode active material layer comprises positive electrode active material particles containing a Li compound or a Li solid solution selected from LixNiaCobMncO2, LixCobMncO2, LixNiaMncO2, LixNiaCobO2 and Li2MnO3 wherein 0.5?x?1.5, 0.1?a<1, 0.1?b<1, and 0.1?c<1, a bonding portion for bonding the positive electrode active material particles with each other and bonding the positive electrode active material particles with a current collector, and an organic coating layer for coating at least part of surfaces of at least the positive electrode active material particles. Having a high strength of bonding with the Li compound, the organic coating layer suppresses direct contact of the positive electrode active material particles and an electrolytic solution even when a lithium-ion secondary battery is used at a high voltage.

Abstract: A battery electrode for a lithium ion battery that includes an electrically conductive substrate having an electrode layer applied thereto. The electrode layer includes an organic material having high alkalinity, or an organic material which can be dissolved in organic solvents, or an organic material having an imide group(s) and aminoacetal group(s), or an organic material that chelates with or bonds with a metal substrate or that chelates with or bonds with an active material in the electrode layer. The organic material may be guanidine carbonate.

Abstract: According to one embodiment, a separator for a lead-acid battery includes a membrane film of an ultra-high molecular weight polymer material (UHMWPE). Precipitated silica and glass fibers are disposed throughout the membrane film and held or maintained in position by the UHMWPE. The separator may have a thickness of between 1 and 50 mils and include between 10% and 30% by weight of the UHMWPE, between 40% and 80% by weight of the precipitated silica, between 5% and 25% by weight of processing oils, and between 1% and 30% by weight of the glass fibers.

Abstract: An energy storage device includes a nanostructured network and an electrolyte in contact with the nanostructured network. The nanostructured network is an electrically conducting nanostructured network that provides combined functions of an electrode and a charge collector of the energy storage device. An electrical device includes an energy storage device that includes a nanostructured network and an electrolyte in contact with the nanostructured network, and a load-bearing electrical circuit electrically connected to the electrical energy storage device. The energy storage device is suitable to power the electrical device while in operation.

Abstract: A lithium ion battery separator includes a porous film of a polymeric chelating agent. The polymeric chelating agent includes a poly(undecylenyl-macrocycle), where the macrocycle is a chelating agent. A positive electrode includes a structure and a coating formed on a surface of the structure. The structure includes a lithium transition metal based active material, a binder, and a conductive carbon; and the coating includes a poly(undecylenyl-macrocycle), where the macrocycle is a chelating agent. The separator and/or positive electrode are suitable for use in a lithium ion battery.

Abstract: One example of a lithium ion battery component is a lithium ion battery separator including a planar microporous polymer membrane and a chelating agent bonded to the planar microporous polymer membrane through a linking group. The chelating agent is bonded such that the permanent dipole moment of the chelating agent is oriented perpendicular to the plane of the planar microporous polymer membrane.

Abstract: A non-aqueous electrolyte secondary battery includes an electrode assembly including a positive electrode including a positive electrode active material layer, a negative electrode, and a separator disposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte, wherein at least one of the positive electrode and the separator contains a phosphoric acid ester compound containing at least one metal element and represented by a general formula (1) (where X and Y each represent a metal element, a hydrogen atom, or an organic group; at least one of X and Y represents a metal element; when the metal element is divalent, X and Y together represent a single metal element; and n represents an integer of 2 or more and 10 or less).

Abstract: An object of one embodiment of the present invention is to provide a secondary battery in which deterioration of charge-discharge cycle characteristics is suppressed, to suppress generation of defects caused by expansion and contraction of an active material in a negative electrode, or to prevent deterioration caused by deformation of a secondary battery. To prevent deterioration, a material that can be alloyed with lithium and fluidified easily is used for a negative electrode. To hold a negative electrode active material over a surface of a current collector, a covering layer that covers the negative electrode active material is provided. Furthermore, a portion where the current collector and the negative electrode active material are in contact with each other is alloyed. In other words, an alloy that is in contact with both the current collector and the negative electrode active material is provided in the negative electrode.

Abstract: An anode and a battery capable of improving battery characteristics such as cycle characteristics are provided. A coating containing at least one from the group consisting of oligomers having a polyene structure and derivatives thereof is provided on the surface of an anode active material layer. The anode active material layer contains a substance containing Si or Sn as an element as an anode active material. By the coating, oxidation of the anode active material layer is inhibited, and decomposition reaction of the electrolytic solution is inhibited.

Abstract: According to one embodiment, there is provided a nonaqueous electrolyte battery. The nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The negative electrode includes a negative electrode material layer. The negative electrode material layer includes a negative electrode active material capable of absorbing and releasing lithium at a potential of 0.78 V (vs. Li/Li+) or more. A film containing a compound having a propylene glycol backbone is formed on at least a part of a surface of the negative electrode material layer. A content of the compound having the propylene glycol backbone in the film is 2 ?mol to 40 ?mol per g of a weight of the negative electrode material layer.

Abstract: Disclosed are an anode active material for secondary batteries, capable of intercalating and deintercalating ions, the anode active material including a core including a crystalline carbon-based material, and a composite coating layer including one or more materials selected from the group consisting of low crystalline carbon and amorphous carbon, and a hydrophilic material, wherein the composite coating layer includes a matrix comprising one component selected from one or more materials selected from the group consisting of low crystalline carbon and amorphous carbon, and a hydrophilic material, and a filler including the other component, incorporated in the matrix, and a secondary battery including the anode active material.

Abstract: Disclosed are an anode active material for secondary batteries, capable of intercalating and deintercalating ions, comprising a core comprising a crystalline carbon-based material and a composite coating layer comprising one or more materials selected from the group consisting of low crystalline carbon and amorphous carbon, and a metal and/or a non-metal capable of intercalating and deintercalating ions, wherein the composite coating layer comprises a matrix comprising one component selected from one or more materials selected from the group consisting of low crystalline carbon and amorphous carbon and a metal and/or a non-metal capable of intercalating and deintercalating ions, and a filler comprising the other component, incorporated in the matrix, and a secondary battery comprising the anode active material.