Abstract: A laminated power storage element includes: an exterior body shaped into a flat bag shape by laminating a pair of laminated films to weld a peripheral edge region; an electrode body sealed within the exterior body; a positive and a negative electrode terminal portion allowed to project outside the exterior body from a predetermined margin of the exterior body; and a pair of tab films welded on surfaces where the pair of laminated films oppose one another in a region along the predetermined margin to mutually weld the pair of laminated films, and the tab film covers an end surface of the laminated film while deviating outward from the exterior body from the predetermined margin, and covers both front and back surfaces of each of a base end of the positive electrode terminal portion and a base end of the negative electrode terminal portion.

Abstract: A laminate-type power storage element has a flat body and an interior layered flat plate-shaped electrode body. A positive electrode terminal plate is mounted to a positive electrode of the electrode body and is guided outside from a predetermined margin of the body. A negative electrode terminal plate is mounted to a negative electrode of the electrode body and guided in the same direction. A film member spans across both electrode terminal plates. The film member is made by layering an insulating heat-resistant film and an adhesive to thermocompression bond the heat-resistant film to a matter to be adhered to. The film member is thermocompression bonded to the electrode terminal plate at a region facing principal surfaces of the positive and the negative plates, and is thermocompression bondable to the matter to be adhered to in a region that does not face the respective principal surfaces.

Abstract: A laminate-type power storage element is configured of an exterior body that is formed in a flat bag shape by welding a first laminated film and a second laminated film by thermocompression bonding, and an electrode body that is sealed inside the exterior body, the electrode body having a sheet-shaped positive electrode and a sheet-shaped negative electrode. The first laminated film and the second laminated film respectively includes a first resin layer that has a property of transmitting a laser beam, a metal foil that is layered to the first resin layer, and a second resin layer is layered to the metal foil and has a thermal weldability.

Abstract: A multi-phase hydrogen storage alloy comprising a hexagonal Ce2Ni7 phase and a hexagonal Pr5Co19 phase, where the Ce2Ni7 phase abundance is ?30 wt % and the Pr5Co19 phase abundance is ?8 wt % and where the alloy comprises a mischmetal where Nd in the mischmetal is <50 at % or a multi-phase hydrogen storage alloy comprising one or more rare earth elements, a hexagonal Ce2Ni7 phase and a hexagonal Pr5Co19 phase, where the Ce2Ni7 phase abundance is from about 30 to about 72 wt % and the Pr5Co19 phase abundance is ?8 wt % have improved electrochemical performance. The alloys are useful in an electrode in a metal hydride battery, a fuel cell or a metal hydride air battery.

Abstract: A laminate-type power storage element, including an exterior body that is formed in a flat bag shape, and an electrode body that has a sheet-shaped positive electrode and a sheet-shaped negative electrode layered via a separator and that is sealed inside the exterior body together with an electrolytic solution, wherein electrode terminal plates of the positive electrode and the negative electrode are guided in an identical direction from a predetermined margin of the exterior body to an outside of the exterior body, and a support part that is made with a film shaped resin having insulating and heat-resistant properties is formed on principal surface sides of the electrode terminal plates at a region that is along the predetermined margin and covers up to tip ends of the electrode terminal plates.

Abstract: A coil device includes two core members, one of which is E-shaped. The E-shaped core member has left and right side faces, and a center leg that extends in a vertical direction. A conducting wire is wound around a core, the core being composed of the two core members arranged to face each other in the vertical direction with a gap between the two core members. The conducting wire is wound around the center leg. First and second heat-sinking plates made of metal are bent so as to be in contact with upper and side faces of the core. The first and second plates are arranged so that first edges of the plates are placed left-right symmetrically with respect to the core with a gap between the edges. Second edges of the plates are in contact with a metal heat-sinking board where the core is placed.

Abstract: In a cylindrical battery including a gap formed between a peripheral side surface 32b of a dish-shaped portion in an anode terminal plate 32 and a curved end portion 11a of a cathode can 11, and a washer 50 having a cylindrical boss portion 50a and an annular flange portion 50c provided around an upper end surface of the cylindrical boss portion 50athe washer 50 being mounted to an opening portion of a cathode can 11 such that the cylindrical boss portion 50a is fitted into the gap 201, a vent structure configured to release gas released to the gap 201 from a first vent hole 32c in the anode terminal plate 32 to an exterior of the cylindrical battery (1) from an arc-shaped second vent hole (50d) formed in the flange portion(50c) or an annular gap (301, 302) formed between the upper end surface of the cylindrical boss portion (50a) and the terminal plate(32).

Abstract: A laminated lithium primary battery is provided which can prevent battery life deterioration caused by moisture penetration from outside and in which safety and increase of battery capacity both can be realized. A lithium primary battery 1, including: a sheet-like negative electrode 30 made of lithium; a sheet-like positive electrode 20; a sheet-like separator 40 made of cellulose; non-aqueous organic electrolytic solution; a jacket 11 made of laminate films (11a and 11b), an inside of the jacket is sealed by heat-sealing periphery of the laminate film stacked in an up-and-down direction; and an electrode assembly 10 in which the positive electrode 20 and the negative electrode 30 are stacked in the up-and-down direction having the separator 40 therebetween, the sealed jacket 11 accommodating the electrode assembly with the non-aqueous organic electrolytic solution.

Abstract: There is provided a balancing device that equalizes voltages between storage cells of a battery composed of a plurality of series-connected storage cells or voltages between electrical storage modules composed of a plurality of series-connected storage cells of the battery. The balancing device equalizes voltages between the energy storage modules by transferring electric power between the electrical storage modules through an element to which all of the electrical storage modules are connected, the transferring being realized by on-off control of current supply to each of the electrical storage modules, the on-off control being performed with a first duty cycle. Further, the balancing device introduces a period in which the on-off control is performed with a second duty cycle, the second duty cycle being different from the first duty cycle.

Abstract: In a balance correction circuit including a plurality of converter type balance correction units that control a supply of a current to a plurality of power storage cells by complementarily on/off controlling two switching elements and hereby allowing to exchange power between or among power storage cells via an inductor to equalize the voltages of the power storage cells, a common timing signal used to generate a control signal of a switching element is supplied to each of the above balance correction units. For example, the balance correction circuit generates a timing signal to supply to a first balance correction unit based on a variation in a voltage applied to the capacitive element charged by a voltage difference created between a control signal generated by the second balance correction unit and a second power storage cell cathode of the balance correction unit.

Abstract: A multi-phase hydrogen storage alloy comprising a hexagonal Ce2Ni7 phase and a hexagonal Pr5Co19 phase, where the Ce2Ni7 phase abundance is ?30 wt % and the Pr5Co19 phase abundance is ?8 wt % and where the alloy comprises a mischmetal where Nd in the mischmetal is <50 at % or a multi-phase hydrogen storage alloy comprising one or more rare earth elements, a hexagonal Ce2Ni7 phase and a hexagonal Pr5Co19 phase, where the Ce2Ni7 phase abundance is from about 30 to about 72 wt % and the Pr5Co19 phase abundance is ?8 wt % have improved electrochemical performance. The alloys are useful in an electrode in a metal hydride battery, a fuel cell or a metal hydride air battery.

Abstract: A sealing member 40 to seal an opening of a battery can, the sealing member being used to configure a tube-shaped battery provided with a bottomed tube-shaped battery can and a power generating element that has been arranged inside the battery can, the sealing member 40 includes an electrode terminal that is to be electrically connected to the power generating element, a sealing plate 41, insulating gaskets 42a, 42b, and a washer 44. An inserting part 43b extending from the electrode terminal 43 is inserted through these elements so that the elements are integrally tightened. The insulating gasket 42a is provided with a protruding part 42a1 having an appropriate horizontal section shape, and the sealing plate 41 adjacent to the insulating gasket is provided with a recess part 41a that has been formed in a shape corresponding to the protruding part 42a1.

Abstract: There is provided a sealed battery having excellent corrosion resistance and sealing performance. The sealed battery 1 includes a battery jacket can 2 having a bottom and being in a cylindrical or polyhedral shape. The battery jacket can 2 also serves as a collector of one of the electrodes. The battery jacket can 2 has an opening pointing upwards and accommodates active parts (3, 4, 5 and 20). The opening is sealed by a sealing part 10 that includes a flat metal sealing plate 6, a gasket 9 made of an insulator, and a terminal part 7 of the other electrode. In the sealing part, the terminal part is attached to the sealing plate 6 using the gasket 9. The sealing plate has a planar shape that matches a shape of the opening of the battery jacket can. The sealing plate is in a saucer shape whose edge section is bent upwards.

Abstract: A spirally-wound lithium battery includes: a bottomed cylindrical cell can doubling as an anode current collector; and a strip-shaped electrode body including an anode and a cathode arranged faced each other via a separator, the anode including an anode active material of lithium metal or alloy, the cell can being sealed, with a non-aqueous organic electrolyte, containing the electrode body wound in a longitudinal direction, the electrode body being wound from a winding axis side around the axis in a vertical direction, an extending direction of a cell can cylindrical axis, such that the anode is arranged at an outermost circumference, the electrode body is attached with a conductor, continuously extending in the longitudinal direction thereof, on an outer circumferential surface of the anode, from a winding end of the anode to an area thereof opposed to an inner surface of the cathode on its winding end side.

Abstract: A primary lithium battery having an electrode body that is arranged with a sheet-like cathode and a sheet-like anode opposing each other via a separator and sealed inside a jacket body together with a non-aqueous organic electrolyte including the cathode being made by applying or compressively bonding to a surface of a sheet-like current collector cathode material including cathode active material allowing occlusion of lithium ions, and the anode being made by applying anode material including carbon active material allowing occlusion and separation of lithium ions on a one main side face side of a sheet-like current collector having formed holes penetrating from a front to a back, and an anode active material made of a lithium metal or a lithium alloy being affixed to another face side of the current collector.

Abstract: A winding component includes a core that surrounds an outer circumference of a coil and end surfaces of flanges to form a closed magnetic circuit, in which notches through which end portions of the coil are drawn outward are so formed in the flanges that each of the notches extends radially inward from an outer circumferential edge of the corresponding flange, a wall that surrounds each of the notches such that the wall stands axially outward on the flange, a thick portion in a winding part in correspondence with the notches and thicker than other portions of the winding part, and a lid formed of a sidewall between an outer circumferential surface of the wall and the core and covers the outer circumferential surface of the wall and a top plate at an axially outer end of the sidewall and covers an opening in the wall.

Abstract: An alkali niobate-based piezoelectric material having the general formula {(K1-aNaa)1-bLib}(Nb1-c-dTacSbd)O3+x mol % BanTiO3+y mol % CuO, where 0?a?0.9, 0?b?0.3, 0<c?0.5, 0?d?0.1, 0.5?x<10.0, 0.1?y?8.0, and 0.9?n?1.2.

Abstract: There is provided non-aqueous organic electrolytic solution for a lithium primary battery which can be stored for long period at elevated temperatures or at the end stage of discharge. Non-aqueous organic electrolytic solution 20 for lithium primary battery 1 having a cathode active material which is manganese dioxide and an anode active material which is either of lithium or lithium alloy includes a base electrolytic solution that is composed of organic solvent and supporting electrolyte and to which either one of hydroxyphthalimide or hydroxyphthalimide derivative is added as an additive. An amount of the additive which is added to the base electrolytic solution is 0.1 wt % or more and 5.0 wt % or less. It is more preferable that the amount of the additive which is added to the base electrolytic solution is 0.1 wt % or more and 1.0 wt % or less.

Abstract: A multilayer inductor providing improved DC superposition characteristics by a permanent magnet that emits a bias magnetic flux, and having a low-loss material as a magnetic body to improve converter conversion efficiency. The multilayer inductor has a plurality of laminated electrically insulating magnetic layers; and laminated conductive patterns, each of the conductive patterns being connected in sequence in the lamination direction forming a spiral coil inside the magnetic layer. An magnetized annular permanent magnet layer emits a magnetic flux whose direction is opposite that of a magnetic flux excited by the coil is between an outer peripheral edge of the inductor and an outer peripheral edge of the coil so as not to overlap an inner peripheral part of the magnet layer with the conductive patterns and so as to block a space between the conductive patterns and the magnet layer, in axial view of the coil.

Abstract: There is provided a balancing device that equalizes voltages between storage cells of a battery composed of a plurality of series-connected storage cells or voltages between electrical storage modules composed of a plurality of series-connected storage cells of the battery. The balancing device equalizes voltages between the energy storage modules by transferring electric power between the electrical storage modules through an element to which all of the electrical storage modules are connected, the transferring being realized by on-off control of current supply to each of the electrical storage modules, the on-off control being performed with a first duty cycle. Further, the balancing device introduces a period in which the on-off control is performed with a second duty cycle, the second duty cycle being different from the first duty cycle.