Abstract: According to one embodiment, an active material is provided. The active material includes orthorhombic system oxide represented by the following formula: LixM1M22O6. In this formula, 0?x?5, M1 is at least one selected from the group consisting of Fe and Mn, and M2 is at least one selected from the group consisting of Nb, Ta and V.

Abstract: The present invention discloses a rechargeable zinc ion battery, in which anodic zinc will be electrochemically dissolved as Zn2+ ions, diffuses to the cathodic electrode/electrolyte interface through the electrolyte, and zinc ions subsequently inserted in carbon material during discharging. In charging, above-mentioned process will be reverse. The rechargeable zinc ion battery comprises a carbon cathode; a zinc anode separated from cathode; an aqueous electrolyte contains zinc ions.

Abstract: A cathode unit for a battery, in which the cathode includes a viscoelastic, and a polymeric gel former selected from the group of natural polysaccharides having a proportion of carboxylate or carboxylic acid groups of greater than or equal to 0.5 and less than or equal to 2.0 in relation to the number of monomer units. Also described is a method for manufacturing the cathode units and the use of a battery including the cathode unit according to the invention for power supply.

Abstract: The present invention provides an electrode material in which unevenness in a supporting amount of a carbonaceous film is less when using an electrode-active material having a carbonaceous film on a surface thereof as the electrode material, and which is capable of improving conductivity, and a method for producing the electrode material. The electrode material includes an aggregate formed by aggregating an electrode-active material in which a carbonaceous film is formed on a surface. In the electrode material, an average particle size of the aggregate is 0.5 to 100 ?m, a volume density of the aggregate is 50 to 80 vol % of a volume density in a case in which the aggregate is a solid, and 80% or more of the surface of the electrode-active material is covered with the carbonaceous film. Alternatively, the electrode material includes an aggregate formed by aggregating electrode-active material particles in which a carbonaceous film is formed on a surface.

Abstract: The present invention provides an aluminum alloy foil for electrode current collector, high in strength and superior in heat resistance after the active material coating/drying process of the manufacture of the battery, a manufacturing method thereof, and a lithium ion secondary battery. According to the present invention, an aluminum alloy foil for electrode current collector, including 0.1 to 0.5 mass % (hereinafter mass % is referred to as %) of Fe, 0.01 to 0.5% of Si, 0.01 to 0.2% of Cu, 0.01 to 0.5% of Mn, with the rest being Al and unavoidable impurities, wherein tensile strength of an aluminum alloy foil and a heat treatment selected from 24 hours at 100° C., 3 hours at 150° C., and 15 minutes at 200° C., is 210 MPa or higher, a manufacturing method thereof, and a lithium ion secondary battery are provided.

Abstract: A particle exhibiting catalytic activity comprising (a) an inner core formed of an alloy material; and (b) an outer shell formed of a metal material surrounding the inner core, wherein the alloy material is selected such that the inner core exerts a compressive strain on the outer shell.

Abstract: Electrocatalysts for use in fuel cell membrane electrode assemblies include a support substrate comprising a metal oxide nanotube having an internal support surface and conductive metal oxide particles impregnated on the internal support surface. Fuel cell electrodes are produced using the electrocatalyst coated on a gas diffusion layer.

Abstract: The present application relates to a fuel cell and a method of manufacturing the same.

Abstract: A lithium-lanthanum-titanium oxide sintered material has a lithium ion conductivity 3.0×10?4 Scm?1 or more at a measuring temperature of 27° C., the material is described by one of general formulas (1-a)LaxLi2-3xTiO3-aSrTiO3, (1-a)LaxLi2-3xTiO3-aLa0.5K0.5TiO3, LaxLi2-3xTi1-aMaO3-a, and Srx-1.5aLaaLi1.5-2xTi0.5Ta0.5O3 (0.55?x?0.59, 0?a?0.2, M=at least one of Al, Fe and Ga), and concentration of S is 1500 ppm or less. The material is obtained by sintering raw material powder mixture having S content amount of 2000 ppm or less in the entirety of raw material powders for mixture, that is, titanium raw material, lithium raw material, and lanthanum raw material.

Abstract: Resinous fibers of nanometer to micrometer width dimensions are drawn from a multi-component system by a melt extrusion process. The process includes a step of combining a fiber resin with a water-soluble carrier resin to form a resinous mixture. The resinous mixture is extruded to form an extruded resinous mixture, the extruded resinous mixture having strands of the fiber resin with the carrier resin. The extruded resinous mixture is then contacted with water to separate the strands of the fiber resin from the carrier resin. An electrically conductive fibrous sheet is then formed from the strands of fiber resin. The fibrous sheets are useful as diffusion layers in fuel cells.

Abstract: A fuel cell includes three membrane-electrode assemblies. and first and second bipolar metal plates interposed between the membrane-electrode assemblies. Each of the bipolar plates comprises two metal sheets facing a respective membrane-electrode assembly and fixedly attached by welds. The two metal sheets comprise successive guiding channels for guiding gas extending in a common longitudinal direction. The guiding channels are distributed in a transversal direction The welds are made in bottoms of the guiding channel and include welds of the first bipolar plate and welds of the second bipolar plate. Some of the welds of the first bipolar plate are not superimposed on the welds of the second bipolar plate and are offset longitudinally and transversally relative to the welds of the second bipolar plate.

Abstract: A fuel cell includes a membrane electrode assembly, a separator, and a sealing member. The sealing member is provided on a separator surface and includes a base seal portion, a protruding seal portion, a first recessed portion, and a second recessed portion. The protruding seal portion protrudes from the base seal portion in a stacking direction so as to block leakage of at least one of a fuel gas, an oxidant gas, and a coolant which flow along the separator surface. The first recessed portion is disposed on a first side of the protruding seal portion. The second recessed portion is disposed on a second side of the protruding seal portion opposite to the first recessed portion. The first recessed portion and the second recessed portion have a height in the stacking direction smaller than a height of the base seal portion in the stacking direction.

Abstract: A heater includes a fuel cell stack assembly disposed within a heater housing and includes a plurality of fuel cells which convert chemical energy from a fuel into heat and electricity through a chemical reaction with an oxidizing agent. A combustor disposed within the heater housing receives an anode exhaust and a cathode exhaust from the fuel cell stack assembly and combusts a mixture of the anode exhaust and the cathode exhaust to produce a heated combustor exhaust. The combustor includes a combustor exhaust outlet for discharging the heated combustor exhaust into the heater housing. A baffle disposed around the fuel cell stack assembly and the combustor defines a heat transfer channel radially between the heater housing and the baffle. A flow director in fluid communication with the combustor exhaust outlet and the heat transfer channel communicates the heated combustor exhaust to the heat transfer channel.

Abstract: A system for cooling an aircraft fuel cell system comprising a first cooling circuit thermally coupled to a first fuel cell, to remove thermal energy generated by the first fuel cell during operation from the first fuel cell, and a first heat exchanger arranged in the first cooling circuit and adapted to transfer thermal energy, removed from the first fuel cell via the first cooling circuit, to the aircraft surroundings. The system comprises a second cooling circuit thermally coupled to a second fuel cell, to remove thermal energy generated by the second fuel cell during operation from the second fuel cell, and a second heat exchanger arranged in the second cooling circuit and adapted to transfer thermal energy, removed from the second fuel cell via the second cooling circuit, to the aircraft surroundings. The first cooling circuit is thermally couplable to the second cooling circuit.

Abstract: An operating method is provided for a fuel cell system with a radiator structure which is flowed through by ambient air and a fuel cell stack, at least part of the outgoing air flow of the fuel cell stack can be guided onto the radiator structure such that, at the radiator structure, the guided outgoing air flow causes an increase in mass flow of the ambient air through the radiator structure according to the jet pump principle. At least part of the outgoing air flow of the fuel cell stack can be guided through a gas expansion machine. The division of energy which is contained in the outgoing air flow and can be recovered in the gas expansion machine and/or at the radiator structure according to the jet pump principle is changed by an electronic control unit in a manner which is adapted to boundary conditions.

Abstract: A method for operating a fuel cell stack (10) for a fuel cell system, in particular of a vehicle, in which by reversing the flow direction (14, 16) of a coolant during a cooling operation, the coolant in the fuel cell stack (10) is initially conveyed in a first direction (14). The coolant is subsequently conveyed in a second direction (16) which is at least substantially opposite to the first direction (14). A time period, after the elapse of which the flow direction (14, 16) is reversed, is changed during the cooling operation. In addition, a distance at which a coolant volume is situated from a heat source (12) that is present in the fuel cell stack (10) may be changed during the cooling operation. The invention further relates to a fuel cell system.

Abstract: A ventilation apparatus includes: a controller that determines whether insulation resistance between a fuel cell stack and an enclosure including the fuel cell stack is equal to or smaller than a preset value, and varies a degree of opening of a valve provided between an inlet provided on one side of the enclosure and an air blower injecting air to an interior of the enclosure through the inlet based on the determination.

Abstract: Methods are disclosed for extracting hydrogen from a biomass compound comprising carbon, oxygen, and hydrogen. The biomass may include cellulose, lignin, and/or hemicellulose. Water is combined with the compound to produce a wet form of the compound. The wet form of the compound is transferred into a reaction processing chamber. The wet form of the compound is heated within the reaction chamber such that elements of the compound dissociate and react, with one reaction product comprising hydrogen gas. The hydrogen gas is processed to generate electrical power.

Abstract: A fuel cell module includes a fuel cell stack, a reformer, and a hydrodesulfurizer. A fuel gas is supplied to the fuel cell stack through a fuel gas supply channel, and the reformer and the hydrodesulfurizer are provided for the fuel gas supply channel. A fuel exhaust gas is discharged from the fuel cell stack into a fuel exhaust gas channel, and a recycling channel is connected to the fuel exhaust gas channel, for circulating some of the fuel exhaust gas to return to a position of the fuel gas supply channel, the position provided upstream of the reformer and the hydrodesulfurizer.

Abstract: A fuel cell module includes a fuel cell stack and FC peripheral equipment. The FC peripheral equipment includes an evaporator. At least one of evaporation pipes of the evaporator connects a water vapor discharge chamber and an inlet of a reformer to form an evaporation return pipe as a passage of water vapor. A raw fuel pipe is inserted into the evaporation return pipe for allowing a raw fuel to flow from the downstream side to the upstream side of the evaporation return pipe.

Abstract: The present invention relates to method for making a membrane electrode assembly. First, a carbon nanotube film is fabricated to act as a gas diffusion layer. Second, a catalyst layer is formed on the carbon nanotube film to obtain an electrode. Third, a proton exchange membrane is provided, and two electrodes are separately disposed on two opposite surfaces of the proton exchange membrane, thereby forming the membrane electrode assembly.

Abstract: In at least one of principal surfaces of the electrolyte sheet for a solid oxide fuel cell of the present invention, (1) a burr height [?H (0-3)] in a first zone is 100 ?m or less, as measured by irradiating the principal surface of the sheet with a laser beam at a pitch of 0.01 mm using a laser optical three-dimensional shape measurement device, the first zone being a zone extending between a peripheral edge of the sheet and a position 3 mm inside the peripheral edge, and (2) a ratio [?H (0.61-3)/?H (0-0.6)] of a burr height [?H (0.61-3)] in a third zone to a burr height [?H (0-0.6)] in a second zone is 0.5 or more and 2.0 or less, as calculated from the burr heights measured by irradiating the principal surface of the sheet with a laser beam at a pitch of 0.01 mm using the laser optical three-dimensional shape measurement device, the second zone being a zone extending between the peripheral edge of the sheet and a position 0.

Abstract: A nonaqueous electrolyte composition includes an electrolyte salt, a nonaqueous solvent, a matrix polymer, and a ceramic powder, wherein the ceramic powder has an average particle size of 0.1 to 2.5 ?m and a BET specific surface area of 0.5 to 11 m2/g.

Abstract: A storage element is disclosed including a plurality of lithium cells, which are arranged beside one another as a stack and are clamped via two clamping plates arranged at the ends, the plates being connected to each other via clamping elements, wherein the cell stack consists of prismatic cells inducing a housing and at least one pouch cell, which is accommodated in a cell holder, the external dimension of which corresponds to that of a housing of a prismatic cell.

Abstract: According to one embodiment, a solid electrolyte secondary battery includes a positive electrode, a negative electrode and a solid electrolyte layer. The solid electrolyte layer includes a lithium-ion conducting oxide containing at least one element selected from the group consisting of B, N, F and S, wherein a total content of the element in the lithium-ion conducting oxide is 0.05% by mass or more and 1% by mass or less.

Abstract: This invention relates to electrolytic solutions and secondary batteries containing same. The electrolytic solutions contain lithium bis (fluorosulfonyl) imide and asymmetric borates, asymmetric phosphates and mixtures thereof.

Abstract: An electrochemical cell includes a high voltage cathode configured to operate at 1.5 volts or greater; an anode including Mg0; and an electrolyte including an ether solvent and a magnesium salt; wherein: a concentration of the magnesium salt in the ether is 1 M or greater.

Abstract: A connection mode of a plurality of arbitrarily connected storage units is detected and the plurality of storage units is controlled according to the detected connection mode. Six storage modules MOD1 to MOD6 are connected in series. A total voltage V(Total) and individual output voltages V(1) to V(6) of respective storage modules are supplied to an output controller ICNT. A controller PR of the output controller ICNT determines the connection mode depending on whether a determination equation is satisfied. When the number of storage modules is set to N, the total output voltage is set to V(Total), the individual output voltages are set to V(1), V(2), . . . , and V(N), and the number of parallels of the connection mode is set to M, (determination equation: V(1)=V(2)= . . . =V(N)=(1/M)×V(Total)) is used. When the determination equation is satisfied, (N/M) parallel M series is determined.

Abstract: A non-aqueous secondary battery production method is provided. The method comprises constructing a preconditioning cell that comprises a positive electrode comprising a positive electrode active material, a preconditioning electrolyte solution comprising a supporting salt and a fluorine-containing non-ionic compound, and a preconditioning negative electrode (step S110); of carrying out a preconditioning process by charging the preconditioning cell and allowing the fluorine-containing non-ionic compound to be decomposed at the positive electrode to form coatings on surfaces of the positive electrode active material (step S120); and of constructing a non-aqueous secondary battery, using the coated positive electrode active material, a non-aqueous electrolyte solution different from the preconditioning electrolyte solution, and a negative electrode comprising a negative electrode active material (step S130).

Abstract: The disclosed embodiments provide a system that manages use of a battery in a portable electronic device. During operation, the system uses a reference electrode in the battery to monitor an anode potential of an anode in the battery during charging of the battery in the portable electronic device. If the anode potential falls below an anode potential threshold, the system modifies a charging technique for the battery to extend a cycle life of the battery. For example, the system may reduce a charge current of the battery if the anode potential falls below the anode potential threshold to prevent degradation caused by a negative anode potential during charging of the battery.

Abstract: A battery pack including a plurality of battery arrays, each battery array including unit batteries that each have a terminal, the plurality of battery arrays being stacked in a first direction; an insulator on at least one side of the battery arrays, terminals of the unit batteries being on the one side; and a sensing bar on the insulator, wherein the insulator includes at least one opening therein, at least one terminal being exposed through the at least one opening, and the sensing bar is electrically connected to the at least one terminal exposed through the at least one opening to sense a state of the battery array.

Abstract: Disclosed herein is an apparatus. The apparatus includes a sensor head section, a base section, a telescoping section, and an electronic component. The base section is connected to the sensor head section. The telescoping section includes a first end and a second end. The telescoping section is connected to the base section. The electronic component is proximate the first end of the telescoping section. The electronic component is protected from making contact with high current, electrically conductive battery elements and configured to sense battery parameters.

Abstract: A process for forming a coating for an RF window which has improved secondary electron emission and reduced multipactor for high power RF waveguides is formed from a substrate with low loss tangent and desirable mechanical characteristics. The substrate has an RPAO deposition layer applied which oxygenates the surface of the substrate to remove carbon impurities, thereafter has an RPAN deposition layer applied to nitrogen activate the surface of the substrate, after which a TiN deposition layer is applied using Titanium tert-butoxide. The TiN deposition layer is capped with a final RPAN deposition layer of nitridation to reduce the bound oxygen in the TiN deposition layer. The resulting RF window has greatly improved titanium layer adhesion, reduced multipactor, and is able to withstand greater RF power levels than provided by the prior art.

Abstract: A multi-mode cavity filter includes a dielectric resonator body incorporating a piece of dielectric material, the piece of dielectric material having a shape such that it can support at least two substantially degenerate resonant modes; and a phased array of coupling elements for coupling signals to the piece of dielectric material.

Abstract: A fill level measuring device (3) operating with the transit time method and a termination element (1) for a waveguide (2) of the fill level measuring device (3) has a carrier element (13) that is arranged between a first cylinder element (11) and a second cylinder element (12) and has an impedance-matching component (15) that is arranged on the carrier element (13).

Abstract: A WDM transmitter and/or receiver optoelectronic integrated circuit includes a plurality of microresonators and corresponding waveguides and couplers that are integrally formed on a substrate. For the WDM transmitter, the microresonators and waveguides are configured to generate a plurality of optical signals at different wavelengths. Each coupler includes a resonant cavity waveguide that is configured to transmit one optical signal from one waveguide to the output waveguide such that the plurality of optical signals are multiplexed on the output waveguide. For the WDM receiver, an input waveguide is configured to provide for propagation of a plurality of optical signals at different wavelengths. Each coupler includes a resonant cavity waveguide that is configured to transmit at least one optical signal from the input waveguide to one waveguide.

Abstract: A radio frequency (RF) module having a plurality of channels includes a heat sink having at least one tapered edge; a substrate disposed over a surface of the heat sink such that the tapered edge of the heat sink extends past a boundary of the substrate. RF, logic and power circuitry is disposed on the substrate and one or more RF signal ports are formed on an edge of the substrate to allow the RF module to be used in an array antenna having a brick architecture. The tapered edge heat sink provides both a ground plane for RF signal components and a thermal path for heat generating circuits disposed in the substrate.

Abstract: A substrate-based circuit (31) provides a carrier substrate (2), wherein a bond layer (5) is embodied on at least one part of the carrier substrate (2), and wherein a contact layer (6) which forms at least one conductor line (7) and/or at least one antenna element (8) is embodied on at least one first part (51) of the bond layer (5). The carrier substrate (2) provides at least one fastening element (20), which is deposited at the outer region of the carrier substrate (2) and projects beyond the outer region of the carrier substrate (2).

Abstract: Provided is a signal transmission device including a high-frequency signal waveguide that transmits a high-frequency signal emitted from an electronic device. When the electronic device is arranged close to the high-frequency signal waveguide, the high-frequency signal is transmitted via the high-frequency signal waveguide.

Abstract: A resonant coupler includes, on the main surface of a first dielectric substrate: a first resonant line disposed in a circumferential shape and having proximate first and second ends; an input line into which a signal is inputted; and a first connecting line that grounds a first end of the first resonant line, and, similar to the first dielectric substrate, includes, on the main surface of a second dielectric substrate: a second resonant line; an output line; and a second connecting line. When viewed in a direction perpendicular to the main surface of the first dielectric substrate, the first resonant line and the second resonant line have substantially matching contours, and the first resonant line and the second resonant line have a combined shape that is symmetrical about a line.

Abstract: A switch board of a blade server, a port configuring method thereof, and a blade server. The switch board includes a port configuring unit and a plurality of ports, where the port configuring unit is configured to divide the switch board into more than one virtual sub-switch-board, allocate the ports to the virtual sub-switch-boards, and configure each port of each virtual sub-switch-board to a first-type port or a second-type port, where the first-type port and the second-type port have different bandwidth; and each of the ports is configured to connect a server blade according to a configuration on the port configuring unit. The technical solutions of the present invention can meet a requirement for flexible port bandwidth configuration.

Abstract: A power divider including an input port receiving an electrical power input, a coupled port transmitting a portion of the power input, and a transmitted port transferring a remaining portion of the power input from the input port. A first conductor produces an electrical field and electrically connects the input port to the transmitted port. And, a second conductor, disposed within electrical field of the first conductor, electrically connects to the coupled port, the second conductor. The first and second conductors are configured to be variably spaced to vary the coupling factor between the input and transmitted portions of the input power.

Abstract: A transmission line is provided with a line portion with a first relative permittivity which is composed of a first dielectric and a conductor filler dispersed in the first dielectric, and a surrounding dielectric portion composed of a second dielectric with a second relative permittivity, wherein, the surrounding dielectric portion exists around the line portion in a cross section perpendicular to a direction in which electromagnetic waves transmit in the line portion, the first relative permittivity is 600 or more, and the second relative permittivity is smaller than the first relative permittivity. An electronic component has the transmission line. Further, an electronic component is provided with a resonator having a resonant frequency ranging from 1 GHz to 10 GHz, wherein, the resonator is formed by using the transmission line.

Abstract: An antenna mount for mounting radio antennas on a communications tower is described. The antenna mount includes a ring structure that encircles the tower and includes a channel disposed about its outer perimeter. The channel is configured to receive a plurality of antenna carriages upon which antennas are mounted on a first end. A second end of the antenna carriage is disposed in the channel and is slideably movable along the length of the channel about the perimeter of the ring structure. The antenna is thus aimable in any desired azimuthal direction by moving the antenna along the ring structure. Bands for communication of data, power, control signaling, and propulsion of the antenna carriages about the ring structure are disposed in the channel. The ring structure may include a junction that allows reorientation of antennas with respect to one another.

Abstract: A metal computing device case includes one or more metal side faces bounding at least a portion of the metal back face. The metal computing device case includes a radiating structure including an exterior metal surface of the metal computing device case. The metal computing device case substantially encloses electronics of a computing device. The exterior metal surface is a metal plate insulated from the rest of the metal computing device case by a dielectric insert filling slots between the metal plate and the rest of the metal computing device case. The radiating structure also includes a ceramic block spaced from a metal plate by a dielectric spacer. The metal plate is insulated from the rest of the metal computing device case and is capacitively coupled with the ceramic block.

Abstract: A cover is provided for a portable electronic device having a device wireless antenna. The cover includes a housing configured to accommodate the portable electronic device, as well as a cover wireless antenna located within the housing. The cover also includes a shield surrounding the cover wireless antenna, and configured to surround the device wireless antenna when the portable electronic device is placed in the cover. In addition, the cover includes wireless access point (WAP) electronics in communication with the cover wireless antenna, as well as a wired Ethernet connector in communication with the WAP electronics.

Abstract: A mobile wireless communications device may include a portable housing, and a printed circuit board (PCB) carried by the housing and having opposing upper and lower portions. The device may also include at least one wireless transceiver carried by the portable housing, and a satellite positioning signal receiver carried by the portable housing. An antenna assembly may be carried adjacent the upper portion of the PCB. The antenna assembly may include a horizontal conductor extending along the upper portion of the PCB in spaced relation therefrom. The horizontal conductor may be coupled to the satellite positioning receiver. The antenna assembly may also include a loop conductor extending from the horizontal conductor toward the lower portion of the PCB and in spaced relation from the PCB. The loop conductor may be coupled to the wireless transceiver.

Abstract: An antenna structure includes a metal member, a first antenna, and a second antenna. The second antenna includes a first portion, a second portion, and a third portion. Both of the second portion and the third portion are connected to the first portion. Both of the first portion and the third portion are spaced from the first antenna, and are coupled with the metal member.

Abstract: A wireless terminal is disclosed. The wireless terminal includes a first antenna, a second antenna, a printed circuit board, a bracket, and a resonator, where the first antenna is located at one side of the printed circuit board, the second antenna is located at another side of the printed circuit board, the printed circuit board functions as a metal ground of the first antenna and the second antenna, the resonator is located on the bracket, a ground point of the resonator is located on the printed circuit board, and a clearance exists between the resonator and the printed circuit board. Not only does the wireless terminal improve isolation between multiple antennas, but also the resonator can better radiate energy of the antennas because a clearance exists between the resonator and the PCB.

Abstract: An electronic device including a touch screen, a first back cover, a transmitting antenna and a receiving antenna is provided. The first back cover includes a frame and a cover body. The transmitting antenna is adjacent to an edge of the touch screen and has a feeding point for receiving a feeding signal. The receiving antenna is adjacent to the cover body of the first back cover and is electrically connected to a ground plane. The receiving antenna and the transmitting antenna are spaced apart by a coupling distance, and a signal from the receiving antenna is transmitted to the feeding point through the coupling distance and the transmitting antenna.