Abstract: An electrochemical electricity storage cell including a casing including: at least two positive electrodes connected to a positive terminal, at least two negative electrodes connected to a negative terminal, the positive and negative electrodes being stacked in an alternating manner in the casing. At least one spacer is placed between each of the positive and negative electrodes. At least one contact element is placed in contact with the positive and negative electrodes and the casing.

Abstract: The present invention relates to a non-aqueous electrolyte solution characterized by containing at least one type of cyclic sulfonic acid ester compound represented by general formula (1). According to the present invention, a non-aqueous electrolyte solution capable of improving battery characteristics can be provided. (In the formula, R1 to R4 are each independently a hydrogen atom, a fluorine atom, an alkyl group having 1-6 carbon atoms or an alkoxy group having 1-6 carbon atoms, and Z is a substituted or unsubstituted alkylene group having 1-6 carbon atoms, a substituted or unsubstituted fluoroalkylene group having 1-6 carbon atoms, or a divalent organic group having 2-6 carbon atoms in which alkylene unit(s) or fluoroalkylene unit(s) are bonded via one or more ether bonds.

Abstract: A fuel cell for a vehicle includes seats disposed on a side of a separation plate and having a recessed bottom and inclined sides connecting the edges of the bottom and the separation plate at an angle. Gaskets are projected along the seats on the side of the separation plate. Fastening bars are seated in the seats with the gaskets projected thereon, in the shape of a strip fastening the fuel cell and have a body being in close contact with the bottom and flanges being in close contact with an inclined side.

Abstract: A battery containing body having a flat shape that can be inserted to and removed from a power storage device, wherein a handle is provided at an end portion on a front side in a direction of insertion, and at least at a lower end portion from among the lower end portion and an upper end portion when the battery containing body is inserted upright, a recess portion for supporting the lower end portion is provided.

Abstract: A battery electrode with a pasting textile, fabric, or scrim made with an electrode grid (e.g., a stamped grid or expanded metal grid) coated in battery electrode and covered with pasting textile formed of a bonded, non-woven fiber web. The web is formed from one or more fibers with an average length greater than 20 ?m. In various embodiments, the web is formed from one or more spun, continuous fibers. The battery electrode may be made in a continuous process where multiple grids are formed in a single sheet, coated with electrode active material and the scrim before being cut into individual electrodes.

Abstract: A nanoparticle includes a noble metal skeletal structure. The noble metal skeletal structure is formed as an atomically thin layer of noble metal atoms that has a hollow center.

Abstract: A mixed electrode for a nonaqueous electrolyte battery includes: a first active material; a second active material that reacts with water more easily than the first active material; an organic moisture capture agent; and an organic binder that binds the first active material and the second active material. The organic moisture capture agent is present in the organic binder and the first active material has a smaller specific surface area than the second active material. Thus, the storability of the mixed electrode is improved and when the mixed electrode is applied to the battery, the cycle characteristics of the battery are improved.

Abstract: Disclosed is a battery pack which can be adaptively used even in various approaching and extending directions of a connection wire even while ensuring the safety by minimizing exposure of an electrode terminal. The battery pack according to the present invention comprises: a cell assembly having a plurality of secondary batteries; a pack housing having an internal space to receive the cell assembly; an electrode terminal which is connected to the cell assembly and is formed to protrude to the outside of the pack housing; and a terminal cover which covers the top portion and a part of the sides of the electrode terminal and is configured to be attached/detached to/from different portions of the pack housing.

Abstract: A lithium ion battery electrolyte, comprises lithium salt, a non-aqueous organic solvent and additives. The additives comprise an SEI film forming additive and furil and derivatives thereof, and the SEI film forming additive is at least one of vinylene carbonate, fluoroethylene carbonate and vinyl ethylene carbonate. Compared with the prior art, furil and derivatives thereof are added to the electrolyte as electrolyte additives in the present invention, to enhance the permeability for separator and the wettability for positive/negative electrode materials, facilitate the film forming reaction of the SEI film forming additive, and further improve the cycling performance of the lithium ion battery using the electrolyte. Furthermore, the furil and derivatives thereof have good chemical and electrochemical stability and free from decomposition reaction within the operating voltage range of the lithium ion battery, thereby imparting no negative effect upon battery performances.

Abstract: A thermally conductive electrochemical cell comprises a lithium ion-containing liquid electrolyte contacting a cathode and anode. The cathode and anode are in the form of electroactive sheets separated from each other by a membrane that is permeable to the electrolyte. One or more of the cathode and anode comprises two or more layers of carbon nanotubes, one of which layers includes electrochemically active nanoparticles and/or microparticles disposed therein or deposited on the nanotubes thereof. The majority of the carbon nanotubes in each of the layers are oriented generally parallel to the layers. Optionally, one or more of the layers includes an additional carbon material such as graphene, nanoparticulate diamond, microparticulate diamond, and a combination thereof.

Abstract: A bipolar electrode includes a collector; a positive electrode active material layer disposed on one surface of the collector; and a negative electrode active material layer disposed on the other surface of the collector. The quotient of the volume resistance of the collector and that of the positive and negative electrode active material layers is between 10?3 and 104. The bipolar electrode further includes a current distribution relaxation layer having a volume resistivity lower than that of either the positive electrode active material layer or the negative electrode active material layer. At least one active material layer having a volume resistivity larger than that of the current distribution relaxation layer is disposed between the current distribution relaxation layer and the collector.

Abstract: A battery module includes battery cells arranged side by side, two end plates sandwiching the battery cells, an elastic body, and a cover. The cover includes a first cover member and a second cover member. The battery module includes a cable that electrically connects a first electronic component and a second electronic component to each other. The cable has a bent portion capable of being deformed in accordance with relative movement between the first cover member and the second cover member in the arrangement direction. The cover includes support portions that support the cable to maintain the shape of the bent portion.

Abstract: Disclosed herein are an electrode stack including at least one positive electrode, at least one negative electrode, and at least one separator, wherein the positive electrode, the negative electrode, and the separator are stacked such that the separator is disposed between the positive electrode and the negative electrode, one end of each of the positive electrode and the negative electrode does not intersect the other end of each of the positive electrode and the negative electrode, a stacked surface of each of the positive electrode, the negative electrode, and the separator includes a curved surface, and the negative electrode has an arc length equal to or greater than that of the positive electrode while the separator has an arc length greater than that of the positive electrode in a state in which the positive electrode, the negative electrode, and the separator are curved, and a battery pack including the same.

Abstract: A fuel cell includes a membrane-electrode assembly, an anode separator and a cathode separator disposed at both sides of the membrane-electrode assembly, wherein the anode separator includes a hydrogen adsorption portion formed in a hydrogen reaction channel in which hydrogen flows.

Abstract: The conductivity of a zinc negative electrode is enhanced through use of surfactant-coated carbon fibers. Carbon fibers, along with other active materials such as bismuth oxide, zinc etc., form an electronically conductive matrix in zinc negative electrodes. Zinc negative electrodes as described herein are particularly useful in nickel zinc secondary batteries.

Abstract: A composite body includes a substrate containing Cr; and a first composite oxide layer disposed on at least a part of a surface of the substrate, the first composite oxide layer having a spinel type crystal structure, a first largest content and a second largest content among constituent elements excluding oxygen of the first composite oxide layer being Zn and Al in random order. Accordingly, the composite body can suppress diffusion of Cr from the substrate containing Cr to the first composite oxide layer, and has improved long-term reliability. A collector member and a gas tank, each of which is formed of the composite body, can have improved long-term reliability. A fuel cell device having excellent long-term reliability can be obtained using the collector member and the gas tank.

Abstract: Methods of preparing hetero ionic complexes, and ionic liquids from bisulfate salts of heteroatomic compounds using dialkylcarbonates as a primary quaternizing reactant are disclosed. Also disclosed are methods of making electrochemical cells comprising the ionic liquids, and an electrochemical cell comprising an alkaline electrolyte and a hetero ionic complex additive.

Abstract: A battery module according to an exemplary embodiment of the present invention includes a plurality of rechargeable batteries having a terminal, a holder combined to end portions of the rechargeable batteries and having a first fastening portion, and a bus bar combined to the terminal, electrically connecting the rechargeable batteries, and having a second fastening portion to be fitted into the first fastening portion.

Abstract: A microporous battery separator is provided having a first co-extruded multilayered portion and a second co-extruded multilayered portion. The two portions are bonded together. In a preferred embodiment, the battery separator has two substantially identical multilayered portions bonded together face-to-face. Each of the two multilayered portions has at least one strength layer and at least one shutdown layer. Methods for making the battery separators are also provided. Preferably, a tubular multilayered film is extruded, and collapsed onto itself to form a multilayered battery separator precursor. The precursor is then bonded and annealed before it is stretched to form a microporous multilayer battery separator.

Abstract: A device for aiding in the fracture of a vent of an electrochemical cell includes a main body having a first surface and a plurality of lobes extending out from the first surface of the main body such that an open space is provided between adjacent lobes. Each of the plurality of lobes are configured to make contact with the vent during deployment of the vent such that the vent completely separates from a bottom of the electrochemical cell. The open space provided between adjacent lobes is configured to allow gases from inside the electrochemical cell to pass through during deployment of the vent.