Abstract: An object is to improve the characteristics of a power storage device such as a charging and discharging rate or a charge and discharge capacity. The grain size of particles of a positive electrode active material is nano-sized so that a surface area per unit mass of the active material is increased. Specifically, the grain size is set to greater than or equal to 10 nm and less than or equal to 100 nm, preferably greater than or equal to 20 nm and less than or equal to 60 nm. Alternatively, the surface area per unit mass is set to 10 m2/g or more, preferably 20 m2/g or more. Further, the crystallinity of the active material is increased by setting an XRD half width to greater than or equal to 0.12° and less than 0.17°, preferably greater than or equal to 0.13° and less than 0.16°.

Abstract: Electrochemical devices and processes for forming them include an anode having magnesium, a cathode, and an electrolyte in contact with the anode and the cathode. The electrolyte includes a carboranyl magnesium salt and a mixed ether solvent in which the carboranyl magnesium salt is dissolved. The mixed ether solvent includes a first ether solvent and a second ether solvent that is different from the first ether solvent.

Abstract: The present invention relates to a resin coated metal laminate comprising at least a sealant layer, a barrier layer, and a substrate layer in this order, wherein the barrier layer includes stainless steel having a thickness of 50 ?m or less, the substrate layer includes a polyamide as a main component, a thickness of the substrate layer is thinner than a thickness of the barrier layer, and a maximum value of tensile strength in a tensile test of the substrate layer is 25 N/mm or more, as well as a battery package and a battery using the resin coated metal laminate.

Abstract: A battery includes a safety valve configured to cause a deformation due to an increase in internal pressure of the battery; a restraining part including a plurality of first protrusions provided along a first circumference to serve as a restrainer against a lead part when the safety valve and the lead part are shut off due to deformation of the safety valve; and an insulating holder including a plurality of second protrusions provided along a second circumference to insulate the safety valve and the restraining part, where a number of the first protrusions and the second protrusions arranged on a diagonal line including the first circumference and the second circumference is 3 or less.

Abstract: The present invention describes an electrical energy storage cell with a bridging device. The energy storage cell has an at least partially electrically conductive housing (10), at least two terminals (11, 12) on the housing (10), of which a first terminal (12) is insulated from the housing (10) and a second terminal (11) is electrically conductively connected to the housing (10), and a bridging device, which can be actuated by an external signal to connect the two terminals (11, 12) of the energy storage cell electrically to each other. The energy storage cell is characterised in that the bridging device acts between the first terminal (12) and the housing (10) of the energy storage cell. A robust construction which is inexpensive to assemble can be implemented as a result.

Abstract: An energy storage apparatus includes: one or more energy storage devices; and a first outer covering and a second outer covering arranged outside said one or more energy storage devices. The energy storage apparatus further includes: a weld portion which is a joint portion between the first outer covering and the second outer covering formed by joining the first outer covering and the second outer covering to each other by welding; a heat-susceptible object; and a heat shielding portion arranged between the weld portion and the heat-susceptible object.

Abstract: A thin film battery includes: a cathode body; and an anode body which is laminated on at least one of an upper portion or a lower portion of the abode body, in which the cathode body includes: a cathode plate on which a cathode active material is applied; a pair of separators which covers an upper surface and a lower surface of the cathode plate; and a polymer insulating film unit interposed between the pair of separators and a portion of the polymer insulating film unit which protrudes outwardly from an edge of the separator is bonded to an anode plate of the anode body.

Abstract: A low resistance multivalent metal anode is provided. The metal is present in the anode as a Riecke highly active particle. Anode resistivity of 1000 ?·cm2 or lower can be obtained. Metals employed include magnesium, calcium, zinc and aluminum. Electrochemical cells containing the low resistance multivalent metal anodes are also provided.

Abstract: The present invention provides a positive electrode active material for a secondary battery, the positive electrode active material being a secondary particle that includes a primary particle having a rectangular parallelepiped shape, the rectangular parallelepiped having at least one portion of vertices and edges formed in a round shape that is convex outward, wherein 1% to 40% of a total surface area of the secondary particle has open porosity, and the primary particle includes a lithium composite metal oxide of Formula 1 herein so that intercalation and deintercalation of lithium are facilitated, elution of an active material-constituting metal element is suppressed, and excellent structural stability is exhibited, thereby decreasing resistance and improving output and lifespan characteristics when applied to a battery, and a secondary battery comprising the same.

Abstract: A conductive sheet and a battery conducting module, wherein the battery conducting module is adapted to electrically connect electrodes of a plurality of batteries which are arranged side by side, and includes two conductive sheets. Each of the conductive sheets includes a connecting portion, two first conducting portions, and two second conducting portions. The connecting portion has a first side and a second side. The two first conducting portions are spaced from each other by a distance and are connected to the first side, and extend along a first direction. The two second conducting portions are spaced from each other by a distance and are connected to the second side, and extend along a second direction. The second direction is opposite to the first direction. The conductive sheets are respectively adapted to connect the electrodes of batteries and are disposed facing each other.

Abstract: In a fuel cell system, each of an inlet sealing valve and an outlet integration valve is provided with a valve seat including a valve hole and a seat surface formed on a circumferential edge of the valve hole, a valve element formed, on its outer periphery, with a seal surface corresponding to the seat surface, and a motor to move the valve element away from the valve seat upon receipt of electric power supplied from outside. The valve seat is provided with a seal member to seal between the valve element and the valve seat during non-operation of the motor. In an inlet-side bypass passage connected to an air supply passage by detouring around the inlet sealing valve, there are arranged an inlet-side bypass passage and an inlet bypass valve.

Abstract: An electrochemical device of the present invention includes a positive electrode, a negative electrode, a non-aqueous electrolyte, and a separator. The separator includes a first porous layer composed mainly of a thermoplastic resin and a second porous layer composed mainly of insulating particles with a heat-resistant temperature of 150° C. or higher. The first porous layer is disposed to face the negative electrode.

Abstract: A separator plate for an electrochemical system may have at least one passage opening for forming a media channel for feeding or discharging media. The system may also have at least one bead arrangement arranged around the at least one passage opening, for the purpose of sealing the passage opening. At least one of the flanks of the bead arrangement may have at least one opening for conducting a medium through the bead flank. The system may also have at least one guide channel that is connected, on an exterior of the bead arrangement, to the openings in the bead flank and is fluidically connected to a bead interior via the opening in the bead flank. The guide channel is designed such that a guide channel width, determined parallel to the flat surface plane of the separator plate, increases at least in some sections in the direction of the bead arrangement.

Abstract: A conductive module applied to a battery pack includes a connection terminal electrically coupled to an electrode terminal, and a flexible substrate that includes a flexible base film having insulating property, a conductive layer in which a first circuit pattern is configured by a first conductor that electrically couples the connection terminal to a monitoring device, and a reinforcing protective film covering the conductive layer. The reinforcing protective film includes a first exposed portion that exposes a first connection end portion of the first conductor from the reinforcing protective film, and has relatively higher rigidity than rigidity of the flexible base film.

Abstract: In one embodiment, a secondary battery includes, electrode groups, an insulating sheet, and a container member. The insulating sheet is disposed between the electrode groups. At least part of the insulating sheet is joined to the container member. The container member covers the outside of a stack having the electrode groups and the insulating sheet.

Abstract: A negative electrode active material is composed of a silicon material coated with a carbon layer containing a Group 4 to 6 metal. A method for producing a negative electrode active material includes a step of decomposing a compound containing the Group 4 to 6 metal and a carbon source by heating in the presence of a silicon material, the compound, and the carbon source.

Abstract: A lithium (Li) ion battery includes a first electrode with a second electrode, and a shutdown polymer additive on an outer surface of the first electrode. The shutdown polymer additive includes at least two polyethylene layers, each polyethylene layer comprising a plurality of polyethylene microspheres. Each polyethylene microsphere is wrapped with carbon nanotubes. The polyethylene microspheres interconnect with each other such that the carbon nanotubes form a conductive network. The polyethylene layers are provided at predetermined areas of the outer surface of the first electrode.

Abstract: Provided is a separator for a fuel cell that can suppress a decrease in the power generation performance of the fuel cell by reducing the contact resistance of the separator. Specifically, provided is a separator for a fuel cell, the separator being adapted to be in contact with a MEGA (power generation portion) including a membrane electrode assembly of the fuel cell so as to separate the MEGA from a MEGA of an adjacent fuel cell, the separator including a metal substrate made of metal; and a tin oxide film covering a surface of the metal substrate on the side of the MEGA. The tin oxide film is made of tin oxide containing 1 to 10 atom % of aluminum.

Abstract: An exemplary method includes, among other things, providing first and second blanks that are nominally identical and that include an array of raised features. The method further includes removing a first combination of individual raised features from the first blank to provide a first battery component with a first flow path, and removing a different, second combination of individual raised features from the second blank to provide a second battery component with a different, second flow path. An exemplary battery assembly includes, among other things, a blank having a plurality of ribs extending from a floor. The blank is configured such that a first combination of the ribs are removable from the blank to provide a first battery component having first flow path, and a different, second combination of the ribs are removable from the blank to provide a second battery component having a different, second flow path.

Abstract: Disclosed are: nickel complex hydroxide particles that have small and uniform particle diameters; and a method by which the nickel complex hydroxide particles can be produced. Specifically disclosed is a method for producing a nickel complex hydroxide by a crystallization reaction, which comprises: a nucleation step in which nucleation is carried out, while controlling an aqueous solution for nucleation containing an ammonium ion supplying material and a metal compound that contains nickel to have a pH of 12.0-13.4 at a liquid temperature of 25° C.; and a particle growth step in which nuclei are grown, while controlling an aqueous solution for particle growth containing the nuclei, which have been formed in the nucleation step, to have a pH of 10.5-12.0 at a liquid temperature of 25° C. In this connection, the pH in the particle growth step is controlled to be less than the pH in the nucleation step.