Abstract: A capacitor includes a capacitor element, a collector plate joined to an electrode of the capacitor element, and a case accommodating the capacitor element and the collector plate. An inner surface of a bottom plate of the case has a contacting portion contacting the collector plate and a junction portion facing the collector plate. The junction portion of the inner surface of the bottom plate has a joining point joined to the collector plate and a separation part facing the collector plate around the joining point by a gap between the junction portion and the collector plate. The collector plate is located away from the contacting portion.

Abstract: This invention provides an aligned single-layer carbon nanotube bulk structure, which comprises an assembly of a plurality of aligned single-layer carbon nanotube and has a height of not less than 10 ?m, and an aligned single-layer carbon nanotube bulk structure which comprises an assembly of a plurality of aligned single-layer carbon nanotubes and has been patterned in a predetermined form. This structure is produced by chemical vapor deposition (CVD) of carbon nanotubes in the presence of a metal catalyst in a reaction atmosphere with an oxidizing agent, preferably water, added thereto. An aligned single-layer carbon nanotube bulk structure, which has realized high purify and significantly large scaled length or height, its production process and apparatus, and its applied products are provided.

Abstract: A method of fabricating a device is disclosed. The method comprises coating a solid structure by nanostructures selected from the group consisting of peptides and amino acids, under conditions that at least partially prevent assembly of the nanostructures into supramolecular structures.

Abstract: Provided as a secondary battery including a metallic can including a accommodating portion accommodated with an electrode assembly and an electrolyte together, and an opening portion; a metallic cap positioned in the opening portion of the can to seal the can; and a fuse-joining member having the melting point lower than that of the can and the cap, and being fused-joined in a state interposed at a joining portion between the can and the cap, and/or in the state surrounding around the joining portion.

Abstract: This invention comprise an energy storage module consisting of surface mounted solid state energy cells attached to a rigid circuit board with tabbed ends that act as positive and negative electrodes. The solid state energy cells are attached to each other by use of surface connection links on the rigid circuit board. The rigid circuit board is then inserted into a battery can with interior connection points that can accommodate the insertion of a tabbed end of the rigid circuit board so that positive voltage can be directed out to one external terminal end of the battery can and negative voltage can be directed out to another external terminal of the battery can.

Abstract: A prismatic battery cell or an electronic component comprising an electrode plate group of alternately stacked positive and negative electrode plates, wherein adjacent electrode plates of opposite polarity are insulated by an insulating separator, and electrode plates of one polarity are bent to converge at a common joining location for connecting together as a lead portion, the lead portion being joined together to a current collector of that one polarity, characterized in that the electrode plates are bent after the electrode plates are stacked and held or bundled together. Shaping the electrode plates to form the lead portions while the electrode plates are held in a stack means it is not necessary to handle pre-shaped electrode plates, since handling pre-shaped electrode plates in a production line could be tedious because the electrode plates are quite easily deformable.

Abstract: Electrolyte compositions suitable for use in batteries, such as a lithium ion battery, are disclosed The electrolyte compositions include functionalized metal oxide particles In several embodiments the compositions utilize the presence of solvent or a scavenger Methods of making and using electrolyte compositions are also disclosed Articles of manufacture containing an electrolyte composition are also disclosed

Abstract: An object of the present invention is to provide a method for producing a high-ductility, high-purity aluminum foil at a high film formation rate by electrolysis using a plating solution having a low chlorine concentration. A method for producing an aluminum foil of the present invention as a means for achieving the object is characterized in that an aluminum film is formed on a surface of a substrate by electrolysis using a plating solution at least containing (1) a dialkyl sulfone, (2) an aluminum halide, and (3) at least one nitrogen-containing compound selected from the group consisting of an ammonium halide, a hydrogen halide salt of a primary amine, a hydrogen halide salt of a secondary amine, a hydrogen halide salt of a tertiary amine, and a quaternary ammonium salt represented by a general formula: R1R2R3R4N.X (wherein R1 to R4 independently represent an alkyl group and X represents a counteranion for the quaternary ammonium cation), and then the film is removed from the substrate.

Abstract: A three-dimensional electrode array for use in electrochemical cells, fuel cells, capacitors, supercapacitors, flow batteries, metal-air batteries and semi-solid batteries.

Abstract: Provided is an electrochemical capacitor including an electrolyte, an electrode cell immersed in the electrolyte, and including first and second electrodes alternately laminated with separators interposed therebetween, a housing in which the electrolyte and the electrode cell are contained, and a hydrofluoric acid adsorption member for adsorbing hydrofluoric acid (HF) applied on at least a portion of an inner surface of the housing.

Abstract: Provided are a method of manufacturing an electrode for an electrochemical capacitor and an electrochemical capacitor manufactured using the same. The method of manufacturing an electrode for an electrochemical capacitor includes immersing a metal foil in an acid solution to form a porous current collector having a skeleton structure with a surface roughness, applying an active material on the porous current collector, and pressing the porous current collector including the active material to distribute the active material into the porous current collector.

Abstract: Disclosed herein is an energy storage apparatus. The energy storage apparatus according to an exemplary embodiment of the present invention includes: a first electrode structure; a second electrode structure opposite to the first electrode structure; and an electrolyte positioned between the first electrode structure and the second electrode structure, wherein the first electrode structure includes: a first current collector having a rugged structure; and a first active material layer conformally covering the rugged structure.

Abstract: Described herein are multi-functional composite materials containing energy storage assemblies that can be significantly resistant to tension/compression stress. The energy storage assemblies can contain at least one energy storage layer that contains an insulating layer having a plurality of openings arranged in a spaced apart manner, and a plurality of energy storage devices, each energy storage device being contained within one of the openings. The energy storage devices can be electrically connected to one another. The energy storage layer can contain a support material upon which electrical connections are formed. One or more energy storage layers can be disposed between two or more stress carrying layers to form an energy storage assembly that can have significant resistance to tension/compression stress. Energy storage devices suitable for use in the energy storage assemblies can include, for example, batteries, capacitors and/or supercapacitors.

Abstract: A device for releasing an explosive gas via a stack arranged on a roof of a building is provided. The upper free end of the stack is provided with a discharging head including a plurality of distribution pipes projecting from the stack in the form of a star. Each pipe includes an outlet on the free end thereof. The device reduces the pressure wave load exerted during an explosion even during adverse wind conditions. To this end, the end regions of the distribution pipes are embodied as jet pumps in which the explosive gas is the propellant sucking the ambient air.

Abstract: An electrochemical device comprising alternating layers of positive and negative electrodes separated from each other by separator layers. The electrode layers extend beyond the periphery of the separator layers providing superior contact between the electrodes and battery terminals, eliminating the need for welding the electrode to the terminal. Electrical resistance within the battery is decreased and thermal conductivity of the cell is increased allowing for superior heat removal from the battery and increased efficiency. Increased internal pressure within the battery can be alleviated without damaging or removing the battery from service while keeping the contents of the battery sealed off from the atmosphere by a pressure release system. Nonoperative cells within a battery assembly can also be removed from service by shorting the nonoperative cell thus decreasing battery life.

Abstract: Disclosed is an electrochemical capacitor and method for manufacturing the same. The electrochemical capacitor includes: at least two winding-type separators which are wound in a spiral shape and are stacked; and stacking-type first and second electrodes which are alternately interposed between the wound separators, respectively.

Abstract: An apparatus comprises a rigid-flex circuit board and an electrolyte, the rigid-flex circuit board comprising first and second rigid regions physically and electrically connected to one another by a flexible region, the flexible region comprising first and second sections each comprising an electrically conductive layer and a capacitive element, wherein the apparatus is configured such that a chamber is defined between the first and second sections with the respective capacitive elements contained therein and facing one another, the chamber comprising the electrolyte, and wherein the apparatus is configured to store electrical charge when a potential difference is applied between the respective capacitive elements.

Abstract: Provided are an energy storage device including an electrode in which lithium is introduced into a silicon layer and a method for manufacturing the energy storage device. A silicon layer is formed over a current collector, a solution including lithium is applied on the silicon layer, and heat treatment is performed thereon; thus, at least lithium can be introduced into the silicon layer. By using the solution including lithium, even when the silicon layer includes a plurality of silicon microparticles, the solution including lithium can enter a space between the microparticles and lithium can be introduced into the silicon microparticles which are in contact with the solution including lithium. Moreover, even when the silicon layer is a thin silicon film or includes a plurality of whiskers or whisker groups, the solution can be uniformly applied; accordingly, lithium can be included in silicon easily.

Abstract: The present invention provides a separator for an electricity storage device that is formed by superimposing two or more fiber layers, wherein at least one or more of the fiber layers is a synthetic fiber layer that contains synthetic fibers and a synthetic resin binding agent, and also provides a method of manufacturing the same. Moreover, the present invention provides a separator for an electricity storage device that contains thermoplastic synthetic fibers A, heat-resistant synthetic fibers B, natural fibers C, and a synthetic resin-based binding agent, and also provides a method of manufacturing the same.

Abstract: One example includes a capacitor case sealed to retain electrolyte, electrolyte disposed in the capacitor case, a capacitor electrode disposed in the capacitor case, an electronic component mounted to the capacitor electrode and disposed in the capacitor case, the electronic component including two contacts, with a first contact mounted onto the capacitor electrode and with a second contact mounted onto a terminal disposed on an exterior of the capacitor case and sealingly extending through the capacitor case, the first and second contacts electrically isolated from one another, a additional capacitor electrode disposed in the capacitor case, a separator disposed between the capacitor electrode and the additional capacitor electrode and a additional terminal disposed on the exterior of the capacitor case and in electrical communication with the additional capacitor electrode, with the terminal and the additional terminal electrically isolated from one another.

Abstract: A chemically linked catalyst-binder hydrogel material comprised of a water-insoluble chemical hydrogel is useful in, for example, fuel cells, batteries, electrochemical supercapacitors, semi-fuel cells etc. The water-insoluble chemical hydrogel is prepared by a chemical cross-linking reaction between a polymer (such as PVA or chitosan or gelatin) and an aqueous cross-linking agent such as glutaraldehyde, which is catalyzed by protic acid under ambient conditions of temperature and pressure.

Abstract: Electrical devices having a plurality of stacked electrode layers are described. At least one of the electrode layers contains continuous fibers that are infused with carbon nanotubes. The continuous fibers can be disposed upon an electrically conductive base plate. The electrical devices can further contain an electrolyte contacting each electrode layer and a layer of separator material disposed between each electrode layer, in which case the electrical devices can form a supercapacitor. Such supercapacitors can have a capacitance of at least about 1 Farad/gram of continuous fibers. The capacitance can be increased by coating at least a portion of the infused carbon nanotubes with a material such as, for example, a conducting polymer, a main group metal compound, and/or a transition metal compound. Methods for producing the electrical devices are also described.

Abstract: An electrode for a power storage device with less deterioration due to charge and discharge and a power storage device using the electrode are provided. In the electrode for a power storage device and the power storage device, a region including a metal element which functions as a catalyst is selectively provided over a current collector, and then, an active material layer is formed. By selectively providing the region including the metal element, a whisker can be effectively generated in the active material layer over the current collector, and the whisker generation region can be controlled. Accordingly, the discharge capacity can be increased and the cycle characteristics can be improved.

Abstract: A power storage device which can have an improved performance such as higher discharge capacity and in which deterioration due to peeling of an active material layer or the like is difficult to occur, and a method for manufacturing the power storage device are provided. The power storage device includes a current collector, a mixed layer formed over the current collector, and a crystalline silicon layer which is formed over the mixed layer and functions as an active material layer. The crystalline silicon layer includes a crystalline silicon region and a whisker-like crystalline silicon region including a plurality of protrusions projecting over the crystalline silicon region. The whisker-like crystalline silicon region includes a protrusion having a bending or branching portion.

Abstract: Various embodiments provide an electrode comprising a conductive substrate, a first layer of a mixture comprising iridium oxide in a crystalline phase and tantalum oxide in an amorphous phase on a portion of an outer surface of the conductive substrate, and a second layer of the mixture comprising iridium oxide in an amorphous phase and tantalum oxide in an amorphous phase on an outer surface of the first layer.

Abstract: An energy storage device is provided in which a discharge capacity can be high and/or in which degradation of an electrode due to repetitive charge and discharge can be reduced. An electrode of the energy storage device which includes a crystalline silicon layer serving as an active material layer is provided. The crystalline silicon layer includes a crystalline silicon region and a whisker-like crystalline silicon region having a plurality of protrusions projected upward from the crystalline silicon region. The protrusions include a first protrusion and a second protrusion; the second protrusion has a larger length along the axis and a sharper tip than the first protrusion.

Abstract: In various embodiments, exfoliated carbon nanotubes are described in the present disclosure. The carbon nanotubes maintain their exfoliated state, even when not dispersed in a medium such as a polymer or a liquid solution. Methods for making the exfoliated carbon nanotubes include suspending carbon nanotubes in a solution containing a nanocrystalline material, precipitating exfoliated carbon nanotubes from the solution and isolating the exfoliated carbon nanotubes. Nanocrystalline materials may include nanorods, hydroxyapatite and various hydroxyapatite derivatives. In some embodiments, methods for making exfoliated carbon nanotubes include preparing a solution of carbon nanotubes in an acid and filtering the solution through a filter to collect exfoliated carbon nanotubes on the filter. In some embodiments, a concentration of carbon nanotubes in the acid is below the percolation threshold.

Abstract: Provided is an electrode film comprising an active material having an average particle diameter being equal to or more than 2 ?m and equal to or less than 50 ?m and inorganic particles containing a conductive ion and having an average diameter being equal to or more than 1 nm and less than 2 ?m, wherein the active material is bound by the inorganic particles, and an electrode in which the electrode film is stacked on a current collector is also provided. In addition, an electric storage device, comprising the above-mentioned electrode, in which two electrodes are arranged so that their electrode films may be opposed to each other, the electrode films are wound or stacked with a separator interposed between the electrode films, and the electrodes and the separator are enclosed together with an electrolyte solution in a metal container is provided.

Abstract: The invention relates generally to carbon nano-tube composites and particularly to carbon nano-tube compositions for electrochemical energy storage devices and a method for making the same.

Abstract: An electrode material comprising 0.5-50 wt % functionalized graphene material and a capacitor comprising the electrode material are provided. A method for preparing the functionalized graphene material is also provided. The method comprises the step of chemically reducing the soluble graphene material and the step of physically reducing the chemically reduced graphene material.

Abstract: An electrode material is created by forming a thin conformal coating of metal oxide on a highly porous carbon meta-structure. The highly porous carbon meta-structure performs a role in the synthesis of the oxide coating and in providing a three-dimensional, electronically conductive substrate supporting the thin coating of metal oxide. The metal oxide includes one or more metal oxides. The electrode material, a process for producing said electrode material, an electrochemical capacitor and an electrochemical secondary (rechargeable) battery using said electrode material is disclosed.

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

Abstract: An electrode material is created by forming a thin coating or small deposits of metal oxide as an intercalation host on a carbon powder. The carbon powder performs a role in the synthesis of the oxide coating, in providing a three-dimensional, electronically conductive substrate supporting the metal oxide, and as an energy storage contribution material through ion adsorption or intercalation. The metal oxide includes one or more metal oxides. The electrode material, a process for producing said electrode material, an electrochemical capacitor and an electrochemical secondary (rechargeable) battery using said electrode material is disclosed.

Abstract: An electrode for an electrochemical device of the present invention includes an electrode mixture layer that includes a lithium-containing composite oxide expressed by the general composition formula (1): Li1+xMO2 as an active material, where x satisfies ?0.3?x?0.3 and M represents an element group including Ni, Mn, and Mg. The relationships 70?a?97, 0.5<b<30, 0.5<c<30, ?10<b?c<10, and ?8?(b?c)/c?8 are established, where a, b, and c represent the ratios of the number of elements of Ni, Mn, and Mg in the element group M to the total number of elements in the element group M, respectively, in units of mol %. The Ni has an average valence of 2.5 to 3.2, the Mn has an average valence of 3.5 to 4.2, and the Mg has an average valence of 1.8 to 2.2.

Abstract: Electrical devices having electrodes containing carbon nanotubes infused to a substrate are described herein. The electrical devices contain at least a first electrode material containing a first plurality of carbon nanotubes infused to a first substrate and a second electrode material containing a second plurality of carbon nanotubes infused to a second substrate. The first electrode material and the second electrode material are wound in a spiral configuration about a central axis. The electrical devices can be supercapacitors, which also contain at least an electrolyte in contact with the first electrode material and the second electrode material, and a first separator material disposed between the first electrode material and the second electrode material. Methods and apparatuses for making the electrical devices are also disclosed herein.

Abstract: A degassing system for a housing of an accumulator includes a labyrinth bolt having a bolt wall in which a plurality of channels are provided, which extend from the bolt interior toward outlets which are arranged in an axial section of the bolt wall. The degassing system also includes a labyrinth corso having a corso wall which, in the installed state, runs around the axial section of the bolt wall such that a gap is formed in the axial section between the bolt wall and the corso wall. The degassing system further includes a gas permeable membrane, which is arranged on an upper face of the labyrinth bolt.

Abstract: At least any of a second cathode lead terminal and a second anode lead terminal has such a construction that a lead portion is shifted with respect to a connection portion orthogonally. A first cathode lead terminal is closer to one end of a cathode foil than the second cathode lead terminal and a first anode lead terminal is closer to one end of an anode foil than the second anode lead terminal. A core has first and second lengths along first and second straight lines passing through a core axis, respectively. The first length is smaller than the second length. The cathode and anode foils are wound together around the core from the one end of each of the cathode and anode foils. The second straight line lies between the first cathode and anode lead terminals and the first straight line lies between the second cathode and anode lead terminals.

Abstract: An object is to provide an energy storage device capable of supplying stable voltage and easily detecting remaining capacity and charging capacity. The energy storage device includes a positive electrode, a negative electrode formed so as to face the positive electrode, and an electrolyte interposed between the positive electrode and the negative electrode, in which a discharging curve or a charging curve of the positive electrode has plateaus (also referred to as flat portions of the potential). Specifically, the discharging curve or the charging curve of the positive electrode has a plurality of plateaus, and positive electrode potential can be monitored in plural steps, whereby the remaining capacity and the charging capacity can be easily detected.

Abstract: A feedthrough of an electrolyte or other capacitor, in particular for use in a medical-electronic implant, is provided having a terminal pin which has a section which can be soft soldered at least in the interior of the electrolyte capacitor, an aluminum flange enclosing the terminal pin, and a glass solder plug which hermetically seals the terminal pin in relation to the aluminum flange.

Abstract: Ion storage electrodes formed by coating an underlying substrate with a nanofibrillar film of structured conjugate polymer nanofibers and methods of forming such electrodes are described herein. The electrical properties of the electrodes may be customized by modifying the structure of the polymer nanofibers, the thickness of the nanofiber film, and the pore size of the nanofiber films.

Abstract: The present invention relates to an electric energy storage device such as a capacitor, a secondary battery, or the like, and more particularly, to an electric energy storage device capable of improving high output characteristics by using a voltage terminal. The electric energy storage device according to an exemplary embodiment of the present invention includes a positive electrode and a negative electrode storing electric energy and a positive current terminal and a negative current terminal connected to the positive electrode and the negative electrode to apply current; and a positive voltage terminal and a negative voltage terminal connected to the positive electrode and the negative electrode to detect voltage across the positive electrode and the negative electrode, wherein the charging or discharging operation is controlled by using the detected voltage across the positive electrode and the negative electrode as control voltage.

Abstract: A first cathode lead terminal is arranged closer to one end of a cathode foil than a second cathode lead terminal, and a first anode lead terminal is arranged closer to one end of an anode foil than a second anode lead terminal. In a cross-section perpendicular to an axis, a core has a first length along a first straight line passing through the axis and a second length along a second straight line passing through the axis and orthogonal to the first straight line, and the first length is smaller than the second length. When the cathode and the anode foils are together wound around the core from each one end, the first straight line lies between the first cathode lead terminal and the first anode lead terminal and the second straight line lies between the second cathode lead terminal and the second anode lead terminal.

Abstract: An electrode foil for capacitor includes a substrate made of valve metal and a rough-surface layer on the substrate. The rough-surface layer includes a base layer on the substrate and a cover layer on the base layer. The base layer includes first fine particles made of valve metal. The cover layer includes second fine particles made of valve metal. The first fine particles have an average particle diameter larger than that of the second fine particles. This electrode foil has the rough-surface layer that can be produced stably by vapor deposition and provides an electrolytic capacitor having a large capacitance.

Abstract: The present invention relates to a power storage system including a negative electrode which has a crystalline silicon film provided as a negative electrode active material on the surface of a current collector and contains a conductive oxide in a surface layer section of the crystalline silicon film. Alternatively, the present invention relates to a method for manufacturing a power storage system, which includes the step of forming an amorphous silicon film on a current collector, adding a catalytic element for promoting crystallization of the amorphous silicon, onto a surface of the amorphous silicon film, heating the amorphous silicon film with the catalytic element added to crystallize the amorphous silicon film and thereby form a crystalline silicon film, and using the crystalline silicon film as a negative electrode active material layer.

Abstract: A composite electrode for an electricity storage device of the present invention includes: a substrate; a whisker or a fiber which is made of at least one of a metal and a metal compound and is formed on the substrate; and a coating layer which contains an active material and is formed on at least a part of a surface of the whisker or the fiber.

Abstract: Provided is a power storage device separator that is realized in the form of a heat-resistant, solvent-resistant, and dimensionally stable thin film. Also provided is a power storage device separator that can be realized in the form of a thin film which has excellent ion permeability and low resistance, which makes short-circuiting between electrodes and self-discharging difficult to occur, and in addition, which has excellent durability even after long periods of use under high temperature environments in the presence of organic solvents and ionic solutions.

Abstract: Achieved is an electricity storage device having a low internal resistance and a high energy density. In a pore distribution, which is obtained for a carbon material using a BJH method and is plotted on a graph with a pore diameter D on the abscissa and a derivative ?V/?D of a pore volume per unit mass or unit volume with respect to the pore diameter D on the ordinate, a ratio M1/M2 of the maximum value M1 of the derivative ?V/?D in an interval of the pore diameter D from 10 to 100 nm with respect to the maximum value M2 of the derivative ?V/?D in an interval of the pore diameter D from 2 to 10 nm is 1.5 or more.

Abstract: An electrode foil for capacitor includes a substrate made of a valve metal foil, a first rough surface layer made of a valve metal formed on the first surface of the substrate by vapor deposition, and a second rough surface layer made of a valve metal formed on the second surface of the substrate by vapor deposition. The mode of diameters of pores of the first and second rough surface layers ranges from 0.02 ?m to 0.10 ?m. The thickness of the first rough surface layer is larger than the thickness of the second rough surface layer. The electrode foil has the rough surface layers formed by vapor deposition fabricated stably so that a solid electrolytic capacitor with high capacitance can be obtained using the foil.

Abstract: A flexible, asymmetric electrochemical cell comprising: (A) A sheet of graphene paper as first electrode comprising nano graphene platelets having a platelet thickness less than 1 nm, wherein the first electrode has electrolyte-accessible pores; (B) A thin-film or paper-like first separator and electrolyte; and (C) A thin-film or paper-like second electrode which is different in composition than the first electrode; wherein the separator is sandwiched between the first and second electrode to form a flexible laminate configuration. The asymmetric supercapacitor cells with different NGP-based electrodes exhibit an exceptionally high capacitance, specific energy, and stable and long cycle life.

Abstract: Disclosed is a method for manufacturing an electrode for an electrochemical element, that is capable of forming an electrode active material layer on a current collector, particularly a perforated current collector having through-holes extended from the obverse surface to the reverse surface thereof, such as a punching metal or an expanded metal, simply, evenly and with good adhesion. The method is characterized by comprising the steps of (1) forming an electrode active material layer on a surface of a base material by using an electrode composition containing an electrode active material, an electroconductive material, and a binder, (2) laminating a current collector on the electrode active material layer formed on the surface of the base material, followed by hot pressing to bond the electrode active material layer and the current collector to each other, and (3) separating the base material from the electrode active material layer.