Abstract: A thin energy storage device having high capacity is obtained. An energy storage device having high output is obtained. A current collector and an active material layer are formed in the same manufacturing step. The number of manufacturing steps of an energy storage device is reduced. The manufacturing cost of an energy storage device is suppressed. One embodiment of the present invention relates to a method for manufacturing of an electric double layer capacitor, or a lithium ion capacitor, which includes porous metal electrodes formed by removing a metal from an alloy foil, and an electrolyte provided therebetween. A surface area per volume of the porous structure is greater than or equal to 100 m2/cm3.

Abstract: The present application is directed to carbon materials comprising an optimized pore structure. The carbon materials comprise enhanced electrochemical properties and find utility in any number of electrical devices, for example, as electrode material in ultracapacitors. Methods for making the disclosed carbon materials are also disclosed.

Abstract: A method comprising the steps of encapsulating a power source including a set of power terminals in a cover and sealing the power source including the set of power terminals within the cover and inserting a set of conductive contacts through the cover to contact the set of power terminals and provide conductive access to the set of power terminals of the power source from outside the cover without allowing exposure of the power source to an environment outside the cover.

Abstract: A system includes a power source having a set of power terminals, a cover encapsulating the power source including the set of power terminals and sealing the power source including the set of power terminals within the cover, and a set of conductive contacts passing through the cover, contacting the set of power terminals, and providing conductive access to the set of power terminals of the power source from outside the cover without allowing exposure of the power source to an environment outside the cover.

Abstract: An electrochemical capacitor includes a positive electrode, a negative electrode disposed proximally to the positive electrode, and a non-aqueous electrolyte, wherein the positive electrode and the negative electrode are immersed in the non-aqueous electrolyte, and a case is presented in the energy storage system to accommodate the non-aqueous electrolyte, the positive electrode, and the negative electrode. The positive electrode has a porous matrix having a plurality of micrometer sized pores and nanostructured metal oxides, wherein the porous matrix is a 3-dimensional (3D) mesoporous metal or a 3D open-structured carbonaceous material, and the nanostructured metal oxides are coated inside the plurality of pores of the porous matrix.

Abstract: Embodiments of the present disclosure relate to a solid-state supercapacitor. The solid-state supercapacitor includes a first electrode, a second electrode, and a solid-state ionogel structure between the first electrode and the second electrode. The solid-state ionogel structure prevents direct electrical contact between the first electrode and the second electrode. Further, the solid-state ionogel structure substantially fills voids inside the first electrode and the second electrode.

Abstract: An object of the present invention is to provide a biaxially oriented film suitable as a reinforcing member for an electrolyte membrane of a polymer electrolyte fuel cell, the film having excellent hot water resistance in a high-temperature and high-humidity use environment and being capable of maintaining the reinforcing effect for a prolonged period of time. The invention resides in a biaxially oriented film for reinforcing an electrolyte membrane of a polymer electrolyte fuel cell, the film being characterized in that the film (i) contains syndiotactic polystyrene as a major component and (ii) has a Young's modulus in at least one of the machine direction and the transverse direction ranging from 4,500 to 8,000 MPa.

Abstract: A dye-sensitized solar cell includes: a collective electrode having a light-transmitting function, a photoelectrode to be electrically connected to the collective electrode and being a semiconductor layer having a dye adsorbed thereon, and a counter electrode apart from the photoelectrode arranged in the interior of a tube-shaped vessel formed of a transparent glass; glass sealed portions formed at both ends of the tube-shaped vessel; external leads penetrating through the glass sealed portions and drawn out of the tube-shaped vessel; and an electrolytic solution filled in the tube-shaped vessel and hermetically sealed wherein the counter electrode includes an electric double-layer capacitor, the electric double-layer capacitor includes the counter electrode which also serves as a positive polarized electrode, a negative polarized electrode arranged apart therefrom inside of the counter electrode, and a separator arranged between the counter electrode and the negative polarized electrode, and the electrolytic

Abstract: A water-soluble binder composition including a first polymer having one or more hydroxyl groups in its repeating unit, and a polybasic acid compound. The binder composition is for an electrode and is environmentally friendly, has improved cycle life characteristics, and has improved adhesion strength of an active material and improved adhesion strength of the active material to a current collector. An electrode including the binder composition and a secondary battery including the electrode, are also provided.

Abstract: An ultracapacitor includes at least one electrode that includes carbon nanotubes. The carbon nanotubes may be applied in a variety of ways, and a plurality of layers may be included. Methods of fabrication of carbon nanotubes and ultracapacitors are provided.

Abstract: A storage unit (1, 2, 3, 4) for storing electrical energy, comprising at least one energy store (5, 6, 7, 11) which has a positive electrical connecting terminal (10) and a negative electrical connecting terminal (12) and is designed to be charged and discharged with electrical energy via the positive connecting terminal (10) and the negative connecting terminal (12).

Abstract: Embodiments of the invention describe energy storage devices, porous electrodes, and methods of formation. In an embodiment, an energy storage device includes a porous structure containing multiple main channels that extend into an electrically conductive structure at an acute angle. In an embodiment, an energy storage device includes a porous structure containing an array of V-groove or pyramid recesses.

Abstract: The present invention has as its object the provision of a lithium ion capacitor having high capacity and high output characteristics and also having high safety that allows suppression of an increase in surface temperature even when an internal short circuit accidentally occurs. The lithium ion capacitor of the present invention comprises: a lithium ion capacitor element formed by overlaying a positive electrode sheet and a negative electrode sheet on top of one another with a separator interposed therebetween; an electrolyte solution; and an outer container that contains the lithium ion capacitor element and the electrolyte solution, a porous layer is formed on an outer surface of the lithium ion capacitor element, and the lithium ion capacitor satisfies following relational expressions (1) and (2): 35?T×R/C??relational expression (1): 0.

Abstract: An air electrode (6) for a metal-air battery includes an air electrode catalyst, an electrolyte for air electrodes and a; conductive material. The electrolyte for air electrodes contains a layered double hydroxide.

Abstract: A pane with electrically conductive structures is described. The pane has at least two electrically conductive structures galvanically separated from each other, a galvanic separating layer on at least on one of the electrically conductive structures, and an electrical conductor on the galvanic separating layer. The galvanic separating layer galvanically separates the conductor from at least one of the structures. A method for producing the pane and a use of the same are also described.

Abstract: An electric double-layer capacitor (EDLC) and method for manufacturing thereof. The ELDC includes at least one capacitor cell with two parallel current collectors, two opposite polarity electrodes, a separator, a rigid dielectric frame, and at least one evacuation mechanism. Each electrode is disposed on a respective current collector, and impregnated with aqueous electrolyte. The frame is disposed along the perimeter on the surface of a current collector and enclosing the electrodes. The evacuation mechanism removes superfluous fluid material from the capacitor cell interior. The evacuation mechanism may be a compartment in the frame, operative to collect residual electrolyte that seeps out from the electrodes, or a capillary formed within the frame and extending into a portion of the electrode, the capillary composed of a porous hydrophobic material and operative to evacuate discharged gases from the electrodes out of the EDLC.

Abstract: The present invention generally relates to devices for energy storage technologies, and more particularly to electrochemical flow capacitor systems and applications. In some aspects, these flow capacitors have at least one electrode comprising a non-stationary solid or semi-solid composition comprising supercapacitive particles and an electrolytic solvent in electrical communication with at least one current collector, and energy is stored and/or released by charging and/or discharging the electrode(s).

Abstract: A substrate for biochips, which does not induce autofluorescence, which can immobilize a biologically relevant substance(s) easily, which can prevent the undesirable spread of a liquid spot which is added dropwise on the biochips when using the biochips, in which the adhesion between a carbon-containing layer and an aluminum material is high, and which can be produced at lower cost than the known substrate for biochips; a method for producing the substrate; and a biochip including the substrate are disclosed. The substrate for biochips comprises a carbon-coated aluminum material, wherein the carbon-coated aluminum material comprises an aluminum material and a carbon-containing layer formed on at least one surface of the aluminum material, and further comprises an interposing layer which is formed between the aluminum material and the carbon-containing layer, and which interposing layer contains aluminum element and carbon element.

Abstract: The present invention relates to a method for manufacturing an electrode of a supercapacitor, comprising: (A) providing a carbon substrate and a phosphorus-containing precursor, and mixing the carbon substrate and the phosphorus-containing precursor at a ratio of 1:100 to 1000:1 by weight; (B) heating the mixture of the carbon substrate and the phosphorus-containing precursor to a temperature between 300° C. and 1100° C. to obtain a P-doped carbon substrate; and (C) forming an electrode of a supercapacitor by using the P-doped carbon substrate. The present invention also relates to a supercapacitor which comprises: a first electrode; a second electrode; and an electrolyte that is interposed between the first electrode and the second electrode, wherein at least one of the first electrode and the second electrode is prepared by the above-mentioned method.

Abstract: A porous carbon that retains a three-dimensional network structure and enables the pore diameters of mesopores and micropores to be controlled easily is provided. A method of manufacturing the porous carbon is also provided. The porous carbon is fabricated by mixing a polyamic acid resin 1 as a carbon precursor with magnesium oxide 2 as template particles, heat-treating the mixture in a nitrogen atmosphere at 1000° C. for 1 hour to cause the polyamic acid resin to undergo heat decomposition, and washing the resultant sample with a sulfuric acid solution at a concentration of 1 mol/L to dissolve MgO away.

Abstract: A method of manufacturing an electrode group unit for lithium ion capacitor that allows reliable welding between a current collecting member and an electrode and that provides a welded portion with a low resistance is provided. A lithium ion capacitor is also provided. An unapplied portion 25 of a positive electrode 9 and an unapplied portion 33 of a negative electrode 11 are disposed to project outside of separators 13, 15 in directions opposite to each other. The resulting assembly is wound into a swirling shape in cross section about an axial core 7 to form an electrode group 5. A lithium metal support member 17 is disposed on the negative electrode 11 such that a layer in which the lithium metal support member 17 is wound is located in a radially middle region of the electrode group 5.

Abstract: The present disclosure is related to hybrid capacitors specifically to PbO2/Activated Carbon hybrid capacitors. The hybrid super capacitor of the present disclosure is simple to assemble, bereft of impurities and can be fast charged/discharged with high faradiac-efficiency.

Abstract: A magnetic capacitor includes two electrode layers, an insulator layer, and one or more magnetized layers. The insulator layer is located between the first electrode layer and the second electrode layer. The one or more magnetized layers include one or more ferro-magnetic elements that are magnetized. The one or more magnetized layers are located so that the one or more ferro-magnetic elements apply a magnetic field to the insulator layer to improve an electrical property of the insulator layer. Magnetic fields applied perpendicular to the electrode layers increase the capacitance and electrical energy storage of the insulator layer. Magnetic fields applied parallel to the electrode layers decrease the leakage current and increase the breakdown voltage of the insulator layer. The one or more ferro-magnetic elements used can include ferro-magnetic plates or magnetic nanodots. The one or more magnetized layers can be located between or outside of the electrode layers.

Abstract: A graphite material for a negative electrode is provided which can suppress capacity degradation due to repeated charging and discharging cycles, storage in a charged state, and floating charging. A method of manufacturing a graphite material for a negative electrode of a lithium ion secondary battery is provided in which an atomic ratio H/C of hydrogen atoms H and carbon atoms C in the raw coke composition is in a range of 0.30 to 0.50 and a microstrength of the raw coke composition is in a range of 7 wt % to 17 wt %.

Abstract: An electric storage cell includes a film-like casing configured to house a layered charge collector and electrolyte, and an electrode terminal connected to the charge collector and exposed to an outside of the film-like casing, the electric storage cell being chargeable/dischargeable using the electrode terminal, wherein bending portions of the film-like casing are formed in parallel.

Abstract: Efficient methods for producing a superhydrophobic carbon nanotube (CNT) array are set forth. The methods comprise providing a vertically aligned CNT array and performing vacuum pyrolysis on the CNT array to produce a superhydrophobic CNT array. These methods have several advantages over the prior art, such as operational simplicity and efficiency.

Abstract: This invention provides a method of manufacture of the electrochemical system of the electric double layer prismatic capacitor from electrically connected in parallel of semi-wound packages of micro/mesoporous carbon composite electrode pairs separated by porous cage. According to the method the pre-made carbon film will be covered with a layer of aluminum foil layer using a vacuum deposition method thus forming a current collector of an electrochemical system. Subsequently the pairs of electrodes are formed from a carbon composite electrode which are wounded or flipped to flat packages so that the ends of current collectors protruding from folded packages are joined together in parallel and thereafter the ends of current collectors are connected correspondingly to the positive and negative current terminal of the electric double layer capacitor.

Abstract: A flexible supercapacitor and a preparation method thereof are provided. The flexible supercapacitor includes a polymer-based solid electrolyte layer, two active layers respectively disposed on opposite surfaces of the polymer-based solid electrolyte layer, and two electron conducting layers disposed on outer exposed surfaces of the two active layers.

Abstract: The present invention provides a charge storage device, comprising a pair of electrodes, each electrode being operable to store electric charge and having a respective capacitance CP, CN that is different to the other, with the ratio of the capacitances CP/CN being greater than 1. In exemplary embodiments, the charge storage device may be an asymmetrical supercapacitor, which is operable to provide an enhanced energy capacity by increasing the cell voltage through unequalising the electrode capacitance. Hence, by increasing the CP/CN ratio an improved power capability can be achieved over conventional devices, while offering a simple and low cost manufacturing strategy. The present invention has particular application with cameras, electric vehicles, elevators, renewable energy stores, fuel cells, batteries and many forms of electronic devices.

Abstract: The disclosure describes an improved electrolytic capacitor, more specifically, an electrolytic capacitor with a graphene-based energy storage layer and dielectric, and a method of making the improved electrolytic capacitor. The electrode with layered graphene energy storage and dielectric layers may be used in a variety of electrolytic capacitor configurations.

Abstract: Provided is a solid state drive suitable for an increase in capacity. The solid state drive includes a flash memory, and a capacitor electrically connected to the flash memory. The capacitor is composed of an electric double layer capacitor including an electrolyte solution containing propylene carbonate.

Abstract: Method and system for generating electrical energy from a volume of water.

Abstract: An electric double-layer capacitor, which provides enhanced heat release-ability with a simple configuration ensuring vibration resistance and impact resistance and to improve durability in a severe marginal environment, is provided. The electric double-layer capacitor includes capacitor cells; a pair of end plates, respectively disposed on both sides of a plurality of parallelly arranged capacitor cells; a metallic case for housing the end plates, a plurality of capacitor cells; and an insulating resin, filling the interior of the metallic case to cover the end plates, a plurality of capacitor cells and lead terminals, wherein the electric double-layer capacitor further includes an external connecting terminal having two end sections, one of the end sections being disposed in the end plate within the insulating resin, and wherein the lead terminal of the capacitor cell disposed adjacent to the end plate is configured to be connected to the one of the end sections of the external connecting terminal.

Abstract: Disclosed is an electrical energy storage device provided with a metallic casing to receive a bare cell and first and second terminals located outside of the metallic casing corresponding to each electrode of the bare cell, including a plate-like member provided on at least one of the first and second terminals, an inner terminal contacting the plate-like member to form the boundary between the inner terminal and the plate-like member, and a laser welded portion formed along the boundary between the inner terminal and the plate-like member to connect the plate-like member with the inner terminal.

Abstract: An electrochemical energy storage device includes a housing, at least one energy storage element in the housing and operable with an electrolyte, a cap coupled to the housing, at least one electrolyte impregnation hole formed in the cap, and a first terminal lug attachable to the cap via the electrolyte impregnation hole.

Abstract: Electrochemical redox supercapacitor. The supercapacitor includes two thin films of electrically conducting polymer separated by an ion-permeable membrane and including an electrolyte disposed between the two thin films. Electrical contacts are disposed on outer surfaces of the two thin films. The supercapacitor is flexible and may be rolled, folded on itself, or kept substantially flat. A suitable conducting polymer is polypyrrole. In another aspect, the invention is a method for making a redox supercapacitor.

Abstract: An energy storage subsystem includes a metal casing and an electrical storage system mechanically fastened within the metal casing and including at least one super-capacitor module having a plurality of super-capacitors linked together in series. The subsystem includes at least one electrical protection device configured to open an electrical circuit to link electrical ground to either the metal casing or the super-capacitor module.

Abstract: A lithium ion capacitor includes a positive electrode, a negative electrode, and an electrolyte. The positive electrode comprises a conductive polymer and an oxidation-reduction material having a lower oxidation-reduction potential than the conductive polymer as a positive electrode active material.

Abstract: This invention relates to a coating formulation, a coating formulation for manufacturing an electrode plate and an undercoating formulation, and their use. These coating formulations are all characterized by containing, in a polar solvent, a hydroxyl-containing resin and an organic acid and/or a derivative thereof. The hydroxyl-containing resin is at least one of (1) a polyvinyl acetal resin, (2) an ethylene-vinyl alcohol copolymer, (3) a modified and/or unmodified polyvinyl alcohol, and (4) a cyanoethyl-containing polymer. According to the present invention, there is provided a coating formulation capable of forming a coating of excellent adhesion and solvent resistance on a surface of a metal material such as an aluminum material.

Abstract: There is provided an energy storage device including an electrode assembly having a pair of electrodes overlapped with each other. At least one of the electrodes includes a current collecting substrate, an active material layer arranged on the current collecting substrate, an intermediate layer arranged between the current collecting substrate and the active material layer, and an insulating layer arranged on the current collecting substrate. The active material layer contains an active material and a first binder. The intermediate layer contains a carbonaceous material and a second binder. The insulating layer contains an insulating material and a third binder. The second binder is a nonaqueous binder. The third binder is an aqueous binder.

Abstract: A production method of an active material, and the active material are provided to realize an active material containing metal-containing particles and being capable of achieving satisfactory cycle performance and rate performance. The active material is produced by a method of polymerizing a mixture of a metal ion, a hydroxy acid, and a polyol to obtain a polymer, and a step of carbonizing the polymer. The active material used is one having a carbonaceous porous material, and metal particles and/or metal oxide particles supported in pores of the carbonaceous porous material, and particle diameter of the metal-containing particles are in the range of 10 to 300 nm.

Abstract: High surface area electrodes formed using sol-gel derived monoliths as electrode substrates or electrode templates, and methods for making high surface area electrodes are described. The high surface area electrodes may have tunable pore sizes and well-controlled pore size distributions. The high surface area electrodes may be used as electrodes in a variety of energy storage devices and systems such as capacitors, electric double layer capacitors, batteries, and fuel cells.

Abstract: A method for manufacturing an electrode for use in an electrical storage device includes bringing a porous material into contact with an oxidizing agent, then bringing the porous material into contact with a polymerizable monomer, so that the porous material is modified with an electrically-conductive polymer formed by a polymerization reaction of the polymerizable monomer and the oxidizing agent, and forming, on a surface of a collector, an active material layer containing the porous material modified with the electrically-conductive polymer.

Abstract: Disclosed is a method of coating a structured surface comprising the steps of providing nanoparticles of a first coating material, and depositing the nanoparticles onto a structured surface using electrophoretic deposition. The structured surface may comprise one or more carbon nanotubes which maybe an array. The coating material may be a dielectric material such as barium titanate which may have a particle size of approximately 20 nm diameter. Following the deposition step a second coating may be provided. The second coating may be hafnium oxide. Also disclosed is a capacitor comprising a first electrode of a structured material, a second electrode of conducting material, and a dielectric layer formed between the first and second electrode.

Abstract: One or each of a positive electrode and a negative electrode is covered by a bag-like insulating material. When bending is performed, the bag-like insulating material and an active material slide against each other, whereby lithium deposited on a surface of the active material can be removed. A power storage unit or the like whose function such as charge and discharge capacity is unlikely to be degraded is provided.

Abstract: An electricity storage module includes a plurality of electricity storage cells, a plurality of holders, first and second end plates, and a fastening frame. The plurality of holders are stacked in a stacking direction together with the plurality of electricity storage cells to provide a stack. The fastening frame is to fasten the first and second end plates in the stacking direction. The plurality of holders or at least one resin member disposed between the plurality of electricity storage cells and the fastening frame each has a protrusion that protrudes outward in a width direction of the plurality of holders or the at least one resin member. The protrusion is capable of elastic deformation and is to be pressed against the fastening frame to hold the plurality of electricity storage cells in the width direction or a vertical direction.

Abstract: [Problem to be Solved] The present invention is aimed at providing a polarizable electrode material for a high-withstand-voltage-type electric double layer capacitor with a high energy density and less degradation over time in capacitance and resistance, that is, excellent long-term reliability; and at providing an electric double layer capacitor in which the polarizable electrode material is used. [Solution] Disclosed are the polarizable electrode material used in an electric double layer capacitor and comprising porous carbon particles, a conductive assistant, a tungsten oxide powder and a binder, wherein the tungsten oxide is dispersed in the polarizable electrode material so that the tungsten oxide per 1 g of the polarizable electrode material has a surface area of 0.2 m2 or more and less than 6 m2; and the electric double layer capacitor in which the polarizable electrode material is used.

Abstract: The present disclosure is related to hybrid capacitors specifically to PbO2/Activated Carbon hybrid ultracapacitors. The present disclosure is also related to hybrid capacitors specifically to PbO2/Activated Carbon hybrid ultracapacitors with an inorganic thixotropic-gelled-polymeric-electrolyte. The hybrid ultracapacitors of the present disclosure is simple to assemble, bereft of impurities and can be fast charged/discharged with high faradiac-efficiency.

Abstract: Disclosed is a capacitor (200) comprising a first structured surface having a dielectric coating (230), a second structured surface having a dielectric coating (230), a separator (240) provided between the first structured surface and the second structured surface, and an electrolyte provided between the first structured surface and the second structured surface. The structured surface may be formed from carbon which may be a random array of carbon nanotubes having a spacing to length ratio of the carbon nanotubes is not greater than 1:30. The dielectric coating may be selected from but not limited to hafnium oxide, barium titanate (BTO), BST, PZT, CCTO or titanium dioxide or a combination of two or more such materials.

Abstract: Embodiments of the present invention provide polymer matrix nanocomposites reinforced with nano-scale materials such as nanoparticles and carbon nanotubes and methods of fabricating. The nanomaterials are provided within relatively low weight fractions, for example in the range of approximately 0.01 to about 0.4% by weight and distributed within the matrix by a magnetic mixing procedure to provide substantially uniform reinforcement of the nanocomposites. Advantageously, these nanocomposites provide significantly enhanced tensile strength, strain to failure, and fracture toughness over corresponding neat matrices.