Abstract: A noble metal-based electrocatalyst comprises a bimetallic particle comprising a noble metal and a non-noble metal and having a polyhedral shape. The bimetallic particle comprises a surface-segregated composition where an atomic ratio of the noble metal to the non-noble metal is higher in a surface region and in a core region than in a sub-surface region between the surface and core regions. A method of treating a noble metal-based electrocatalyst comprises annealing a bimetallic particle comprising a noble metal and a non-noble metal and having a polyhedral shape at a temperature in the range of from about 100° C. to about 1100° C.

Abstract: A stainless steel member for a separator of a solid polymer fuel cell has excellent cell properties with little deterioration in performance over long periods of operation without worsening of the corrosion resistance of a stainless steel separator. The stainless steel member has a stainless steel base metal, and a passive film and electrically conductive precipitates both provided on a surface of the stainless steel base metal. The electrically conductive precipitate penetrates the passive film and includes a substance originating from the stainless steel base metal. An electrically conductive layer comprising a nonmetallic electrically conductive substance is preferably provided on the surface of the passive film, and the electrically conductive layer is preferably electrically connected to the stainless steel base member through the electrically conductive precipitates.

Abstract: A fuel cell (1) has a plate (2) produced by powder metallurgy which comprises in one piece a porous substrate area (4) to which the electrochemically active cell layers (6) are applied, and a gastight edge area (5) which is provided with gas passages (17, 18).

Abstract: Provided are a current collector for a fuel cell and a stack structure having the same. The fuel cell includes an electrolyte layer, and an air electrode layer and a fuel electrode layer on both surfaces of the electrolyte layer and generates electricity, and the current collector includes an even surface configured to electrically surface-contact with the air electrode layer or the fuel electrode layer; and a plurality of openings punched so that air or a fuel gas directly contacts with the air electrode layer or the fuel electrode layer.

Abstract: A separator for a fuel cell is provided. The separator is disposed at both sides of a membrane-electrode assembly and is configured to supply a reaction gas to the membrane-electrode assembly. In addition, the separator includes a conductive microporous body that is formed on a reaction surface corresponding to the membrane-electrode assembly and a channel unit that is connected to an inlet manifold and an outlet manifold through which the reaction gas flows and is configured to guide the reaction gas to the reaction surface.

Abstract: Techniques and implementations pertaining to an integrated gas diffusion layer with a sealing function are described. A method for making the integrated gas diffusion layer with the sealing function may involve placing a gas diffusion member inside a mold followed by injecting a sealing material into the mold. The method may also involve having the sealing material substantially covers a peripheral portion of the gas diffusion member and at least partially penetrates into a peripheral portion of the gas diffusion member. The method may further involve curing the sealing material to form a sealing member having a lip ring. A height of a portion of the mold corresponding to a non-lip ring portion of the sealing member is less than or equal to a thickness of the gas diffusion member.

Abstract: A system for adjusting temperature of cooling-liquid comprises: a radiator; a cooling-liquid circulation flow-channel; a radiator bypass flow-channel; a thermostat valve; and a valve bypass flow-channel through which the cooling-liquid of the radiator bypass flow-channel is allowed to flow in a predetermined amount even if the thermostat valve is completely closed.

Abstract: A fuel cell stack includes cell units stacked on one another and each including a membrane electrode assembly and two separators defining gas passages on both sides of the membrane electrode assembly, a cooling fluid passage for flowing a cooling fluid provided between the separators of each adjacent two of the cell units, and a displacement absorber provided in the cooling fluid passage. The displacement absorber includes elastic protrusions provided in an array and configured to elastically absorb a displacement of the cell units in a stack direction, and flow-spread preventing protrusions provided in an array and configured to prevent the cooling fluid from flowing out of an active area.

Abstract: A humidification device is provided with at least one stacked unit of water vapor-permeable membranes and of support frames. The support frames are stacked on each other. The membranes each are positioned between two of the support frames, respectively, and have edges clamped between the two support frames. The membranes are arranged parallel and spaced apart relative to each other. Between the two support frames, a supply air flow path extends on a first lateral face of the membrane and, angularly displaced to the supply air flow path, an exhaust air flow path extends on a second lateral face of the membrane facing away from the first lateral face. A flow opening of the supply air flow path and a flow opening of the exhaust air flow path are delimited by the two support frames and extend parallel to a plane of the membrane clamped between them.

Abstract: A gas generator includes a reactant capable of producing a gas and a gas outlet valve that can function as both a gas flow valve and a pressure relief vent, using the same gas flow path through the valve. When the valve is closed and the pressure within the gas generator is below a threshold pressure, a moveable valve member is biased against a valve seat to block the outlet port. When gas generator is coupled to the apparatus, an actuator is inserted into the valve, displacing the moveable valve member and separating it from the valve seat to open the valve. When the gas generator is uncoupled, pressure at or above a threshold displaces the moveable member, separating it from the valve seat to open the outlet port so pressure can be released to the external environment.

Abstract: Purge valves that are manually turned ON but are automatically or electrically turned OFF as the fuel cell production of electricity reaches a predetermined level, e.g., steady state or thereabout are disclosed. The purge valve may be opened at system start-up, or may be opened at system shut-down so that the purge valve is armed and the fuel cell system is purged at the next start-up. Also disclosed is an integrated fluidic interface module that contains various fluidic components including one of these purge valves. The integrated fluidic interface module can operate passively or without being actively controlled by a processor. Methods of operating a fuel cell system, wherein the fuel cell system is purged at system start-up, are also disclosed. The purging automatically stops when the anode plenum is fully purged and replaced with fuel.

Abstract: Flow type electrochemical cells are disclosed. The electrochemical cell has an anode half-cell, a cathode half-cell, and permeable separating layer. The half-cells are bounded by side elements. Respective porous electrodes are housed in the half-cells. The permeable separating layer is disposed between the anode half-cell and the cathode half-cell. An electrolyte region connected to an electrolyte feed and an electrolyte outflow region connected to an electrolyte drain are further provided. An electrolyte inflow region and an electrolyte outflow region are disposed on opposite sides of the porous electrodes such that inflowing electrolyte flows through the porous electrode perpendicularly to the permeable separating layer.

Abstract: The present invention is to provide, in a combined system of a bioethanol producing device and an SOFC, a method that is capable of further enhancing the electric power generation efficiency of the SOFC, and is also capable of achieving further reduction of the energy required for distillation of the fermented liquid. A part of an anode off-gas is refluxed to the water-containing ethanol vapor line from the mash column to the reforming device at a reflux ratio ((flow rate of reflux gas)/(flow rate of (anode off-gas)?(reflux gas))) of from 1 to 2. The ethanol concentration of the water-containing ethanol vapor is controlled by refluxing, to a range of from 25 to 35% by weight with water contained in the anode off-gas of the solid oxide fuel cell.

Abstract: A novel multi cell stack architecture has specific features allowing deployment of simple electrical instrumentation of data collection/monitoring of crucial hydraulic, electrical and electrochemical quantities, on the basis of which the operator or electronic controller is able to gather/process critical information of such a depth and enhanced reliability, for immediately identifying any cell in “state of sufferance” and eventually to exclude it from the system and possibly substitute it with a spare cell. A method of monitoring/controlling the operation of an all-vanadium redox flow battery system is also disclosed.

Abstract: A fuel cell system comprises at least one fuel cell stack, a CPOX reactor, and a conduit for providing a fuel stream to the at least one fuel cell stack through the CPOX reactor during both a start up and a steady state modes of operation of the system.

Abstract: A positive electrode electrolyte (22) and a negative electrode electrolyte (32) that are used in this energy storage battery have a pH within the range from 2 to 8 (inclusive). An ion exchange membrane, which is obtained by graft-polymerizing styrenesulfonate to a resin film base material that uses an ethylene-vinyl alcohol copolymer as a matrix, is used as a diaphragm (12) of this energy storage battery.

Abstract: An all-solid-state thin-film battery according to an aspect of the present disclosure includes: a solid electrolyte layer; a cathode active material layer; a cathode current collector layer including a first portion and a second portion; an anode terminal layer; and an anode layer including a third portion and a fourth portion. The first contact surface between the solid electrolyte layer and the cathode active material layer, the second contact surface between the solid electrolyte layer and the first portion of the cathode current collector layer, and the third contact surface between the third portion of the anode layer and the anode terminal layer are located within a single plane.

Abstract: The invention relates to a battery cell (1) for pre-stressed battery modules (13). The invention further relates to corresponding pre-stressed battery modules (13) and corresponding production methods. The battery cell (1) has a cell housing (3) and a chemicals carrier (9). The chemicals carrier (9) is arranged in the cell housing (3). The cell housing (3) has a bulging design.

Abstract: The main object of the present invention is to provide a sulfide solid electrolyte material which copes with both the restraint of the increase in interface resistance and the restraint of the increase in bulk resistance. The present invention solves the above-mentioned problems by providing a sulfide solid electrolyte material characterized by containing at least one of Cl and Br.

Abstract: The use of particles of at least one crystalline oxide, preferably metal oxide, having an average particle size of less than 500 nm and a fluorine content of between 0.5 and 30% by weight, preferably between 0.5 and 5%, even more preferably between 1.0 and 4%, for the preparation of solid-state electrolytes, is described. Also described is a solid-state electrolyte, containing particles of at least one crystalline oxide, preferably metal oxide, having an average particle size of less than 500 nm, preferably between 10 and 500 nm, even more preferably between 50 and 300 nm; a fluorine content as noted above; an alkali or alkaline-earth metal content of between 0.5 and 10% by weight, preferably between 0.5 and 5%, even more preferably between 1 and 4%. Furthermore an inorganic-organic hybrid electrolyte obtainable by means of reaction of the aforementioned solid-state electrolyte with ionic liquids is described.

Abstract: The present disclosure provides a solid polymer electrolyte composition including a polymer matrix, an organic solvent, and an additive agent containing polyhedral silsesquioxane, and also provides a lithium secondary battery including the same.

Abstract: A composition suitable as a solid polymer electrolyte for a lithium ion battery comprises a mixture of polyoctahedral silsesquioxane-phenyl7(BF3Li)3 and a poly(ethylene oxide).

Abstract: This invention provides a lithium secondary battery comprising a positive electrode, a negative electrode, and a non-aqueous electrolyte. On the negative electrode surface, there is present a cyclic siloxane and/or a reaction product thereof. The cyclic siloxane is a cyclic siloxane having at least one side chain comprising a dimethylsiloxy group (a siloxy side chain-containing cyclic siloxane).

Abstract: An easier method is provided for producing a battery comprising an oxalato complex-derived coating on the negative electrode. This invention provides a method for producing a non-aqueous secondary battery, the method comprising: preparing a negative electrode paste comprising a negative electrode active material, a binder, and a polycarboxylic acid-based gas formation inhibitor; fabricating a negative electrode by applying the negative electrode paste to a negative current collector surface; constructing an assembly with a positive electrode, the negative electrode, and a non-aqueous electrolyte solution comprising an oxalato complex; and subjecting the assembly to activation thereby to decompose the oxalato complex and forming a coating derived from the oxalato complex on the negative electrode surface while inhibiting gas formation with the gas formation inhibitor.

Abstract: Described are electrolyte compositions and electrochemical devices containing them. The compositions include an organosilicon compound, an imide salt and optionally LiPF6. The electrolytes provide improved high-temperature performance and stability and will operate at temperatures as high as 250 C. An electrolyte composition comprising, in combination: an organosilicon compound and an imide salt and optionally UPF6; wherein when subjected to cyclic voltammetry at a plurality of cycles ranging from about 3V to about 5V and using a cathode current collector comprising aluminum versus Li/Lit electrodes the composition exhibits an oxidative corrosion current of about 0.10 mA/cm2 or less for a second and subsequent cycles.

Abstract: Provided is a method for manufacturing a sealed battery, capable of reducing an erroneous determination rate in a leak testing step. A manufacturing step including a leak testing step for detecting leak of helium gas introduced into an exterior, including a step for pouring an electrolytic solution into the exterior, a step for reducing the pressure inside the exterior down to a predetermined pressure, and a step for introducing the helium gas in a quantity corresponding to the predetermined pressure into the exterior. Preferably, the predetermined pressure is set to a pressure higher than the saturated steam pressure of the electrolyte solution.

Abstract: This application relates generally to battery removal apparatuses. For example, one battery removal apparatus disclosed herein comprises a pull tab configured to be disposed between a battery and a casing of a portable computing device. The pull tab is shaped such that at least one area of the battery and the casing are exposed to one another when the battery, the pull tab and the casing are compressed together. An adhesive layer is shaped to cover the at least one exposed area such that the battery adheres to the casing, and the pull tab is reinforced so as to prevent the pull tab from tearing when used to remove the battery from the portable computing device. Other battery removal apparatuses include a pull string battery removal apparatus as well as a battery removal apparatus that incorporates both a pull tab and one or more pull strings.

Abstract: A removable modular battery pack may include a first housing having a volume of at least 0.125 cubic feet, and a plurality of battery cells providing at least 1 kW of power. The modular battery pack may also include a processing system that aggregates power from the plurality of battery cells, and a first interface that communicates a status of the modular battery pack to a second housing. The modular battery pack may further include a second interface that transmits the aggregated power to the second housing, and a thermal material enclosed in the first housing. The thermal material may be arranged in the housing adjacent to the plurality of battery cells to transfer heat away from the plurality of battery cells and to transfer the heat to the second housing.

Abstract: A solar cell phone includes a housing having a keypad, a display screen, other electronic components and a rechargeable battery. A diode switch within the housing is electrically connected to the rechargeable battery. A plurality of solar panels are mounted to the housing and electrically connected to the diode switch. The diode switch will allow the solar panels to supply electrical power to the rechargeable battery. An auxiliary battery within the housing receives electrical power from the solar panels. The auxiliary battery will store the electrical power to recharge the rechargeable battery when the diode switch is in a non-operative position, so that the rechargeable battery will continue to operate the keypad, the display screen and the other electronic components within the housing.

Abstract: An intelligent multiple-loop electric vehicle cooling system includes a battery pack, an electric drive module, a battery radiator, an electric drive module radiator, electric pumps, pass-through valves, three-way valves, a PTC heater, a heat exchanger. The cooling system is provided with two electric pumps, two pass-through valves, and three three-way valves that are connected through pipelines to form multiple loops. Compared with the prior art, by means of the present invention, multiple three-way valves and pass-through valves are disposed, to connect pipelines to form loops meeting different cooling or heating requirements. These loops are selectively opened or closed according to features and working states of a battery pack and an electric drive module of an electric vehicle, to ensure temperature balance of the electric vehicle and efficient operation of the electric vehicle.

Abstract: A lithium air battery including an electrolyte including lithium ion conductive polymers and lithium salts between a positive electrode and a lithium ion conductive solid electrolyte membrane. The lithium ion conductive polymers are hydrophilic matrix polymers.

Abstract: There is provided an air battery having a power generation body, the power generation body comprising: a laminate in which a negative electrode, a separator, a positive electrode having a catalyst layer and a positive electrode current collector, and an oxygen diffusion membrane are laminated in this order; and an electrolyte being in contact with the negative electrode, the separator and the positive electrode, wherein one of main surfaces of the oxygen diffusion membrane is arranged facing one of main surfaces of the positive electrode current collector; and at least a part of a peripheral edge part of the oxygen diffusion membrane is in contact with atmospheric air.

Abstract: The invention provides for a fully electrically rechargeable metal anode battery systems and methods of achieving such systems. An electrically rechargeable metal anode cell may comprise a metal electrode, an air contacting electrode, and an aqueous electrolyte separating the metal electrode and the air contacting electrode. In some embodiments, the metal electrode may directly contact the liquid electrolyte and no separator or porous membrane is needed between the air contacting electrode and the electrolyte. Rechargeable metal anode cells may be electrically connected to one another through a centrode connection where a metal electrode of one cell and an air contacting electrode of a second cell are electrically connected. Air tunnels or pathways may be provided between individual metal anode cells arranged in a stack. In some embodiments, an electrolyte flow management system may also be provided to maintain liquid electrolyte at constant levels during charge and discharge cycles.

Abstract: Orthomode transducers (OMTs) and methods of fabricating OMTs are disclosed. According to disclosed embodiments, an OMT includes a housing defining an internal waveguide. The housing may be composed of a first cast housing member attached to a second cast housing member. The first housing member may include a first side of the waveguide that is cast into the first housing member. The second housing member may include a second side of the waveguide that is cast into the second housing member. A method of fabricating an OMT may include arranging at least one casting insert in at least one mold, casting the housing in the mold and casting a waveguide in the housing using the at least one casting insert. The disclosed devices and methods provide cost effective solutions for fabricating OMTs of various operating frequencies that share a substantially similar outer housing shape and size.

Abstract: A high-frequency signal line includes a dielectric body including a first dielectric layer and one or more other dielectric layers laminated together. A first signal line is provided on a first main surface, which is a main surface located on one side in a direction of lamination, of the first dielectric layer. A second signal line is provided on a second main surface, which is a main surface located on another side in the lamination direction, of the first dielectric layer so as to face the first signal line via the first dielectric layer. The second signal line is electrically connected to the first signal line. A first ground conductor is located on one side in the lamination direction than the first signal line. A second ground conductor is located on another side in the lamination direction than the second signal line.

Abstract: The present disclosure provides for a fabrication layout and design for transmission lines that are implemented as part of a differential Wilkinson power divider/combiner. The transmission lines are configured and arranged in a poly-loop line geometry. The poly-loop line geometry includes overlapping transmission lines to route differential signals within the differential Wilkinson power divider/combiner. The overlapping transmission lines each include a crossover region to route the differential signals. The crossover represents a spacing between the overlapping transmission lines that encompasses a magnetic flux of the overlapping transmission lines.

Abstract: A micro bandpass filter comprises a substrate, a first signal transmission member, a second signal transmission member and a resonator structure. The resonator structure includes a plurality of microstrip lines. The present invention realizes the function of a bandpass filter in a smaller area via curving the first signal transmission member, the second signal transmission member and the resonator structure.

Abstract: A lightning protection system for a radome, the system comprising at least one lightning protection strip positioned on an inner wall of the radome, wherein the lightning protection strip defines, on the inner wall of the radome, a curve that is substantially perpendicular, at all points thereof, to the polarization direction of the electrical field vector radiated by an antenna across from the inner wall of the radome.

Abstract: A multiple-antenna positioning system with a single drive element, providing reduced weight and complexity over systems that have a drive element for each antenna. In certain examples, each antenna can be coupled with a rotating spindle, with each antenna spindle being coupled with a pair of link arms. By driving a single drive spindle, each of the antenna spindles in the system can be rotated by the associated pair of link arms. The link arms can have an adjustable length, such as through a turnbuckle mechanism, to reduce backlash in the system, and in some examples can apply a preload to the system. By reducing backlash, the multiple antenna positioning system can have improved responsiveness to a rotation of the single drive element, as well as improved stability of the positioning of each antenna when the drive element is held in a fixed position.

Abstract: A thin-film transistor displayer integrated with an NFC antenna, is a TP on/in cell thin-film transistor displayer. The NFC antenna is arranged on a display screen of the thin-film transistor displayer, where the NFC interface is built in an output circuit of the display screen and connected to a control mainboard of the display screen. The display screen and NFC antenna features are combined into one, and the NFC antenna is arranged directly on the thin-film transistor displayer, avoiding problems of signal quality deterioration and reception failure due to wearing of the NFC antenna interface and inaccurate alignment. In addition, a solution is provided for facilitating reception of an NFC signal from a display panel and touch panel of the displayer, or for the case that the NFC signal must be received from the display panel and touch panel of the displayer.

Abstract: The antenna device disclosed includes an insulating antenna case, an antenna base, and an umbrella-type element. A lower surface of the insulating antenna case is open and a housing space is formed in the insulating antenna case. The antenna base includes an insulation base on which the antenna case is fitted, and a conductive base which is smaller than the insulation base and is fixed to the insulation base. The umbrella-type element is provided on the antenna base in such a way that a rear section thereof is located above the insulation base and a front section thereof is located above the conductive base.

Abstract: An electronic device housing may have a base unit and a lid. Aligned antenna windows may be formed on opposing upper and lower surfaces of the base unit along a hinge. Antenna structures that are located between respective upper and lower antenna windows on the upper and lower surfaces may be based on a pair of antennas that are coupled to switching circuitry that can select which antenna to switch into use or may be based on an antenna having a position that may be adjusted relative to the upper and lower antenna windows using a mechanical coupling to the lid or using a positioner. A sensor such as a lid position sensor may monitor how the lid is positioned relative to the base unit. Information from the lid position sensor may be used in adjusting the antenna structures to optimize performance.

Abstract: An antenna structure includes a metal member, an extending section, and a metal sheet. The metal member defines a gap. The gap divides the metal member into a first portion and a second portion. The extending section is connected to the first portion of the metal ember to cooperatively form a first antenna. The first antenna, the metal sheet and the second portion of the metal portion cooperatively form a second antenna.

Abstract: An antenna device of the present invention includes an antenna element which transmits or receives an electromagnetic wave having a specific frequency by being supplied with electric power, a conductive element which is formed of a conductive material, arranged so as to be spaced apart from and face the antenna element, and serves as a parasitic element, and a housing having a sealed space therein. The antenna element is provided inside the housing, and the conductive element is provided on outer surface of the housing, or in inner part of the housing, or in a mount member by which the housing is worn on a human body, or in a holding member for holding the housing; the conductive element is electromagnetically coupled to the antenna element, resonates with the specific frequency; and transmits or receives the electromagnetic wave.

Abstract: An electronic device may be provided with electrical components mounted in a housing. The electronic device may include wireless transceiver circuitry and antenna structures. A display may be mounted in the housing. The display may have a transparent layer such as display cover layer. The display cover layer may have an inner surface with a recess. The recess may be a groove that runs along a peripheral edge of the display cover layer. An antenna structure such as an inverted-F antenna resonating element may be formed from a metal trace on a plastic support structure. The metal trace and support structure may be mounted in the groove with adhesive. The housing may be a metal housing that forms an antenna ground. Springs may be used in forming an antenna feed and an antenna return path that couples the antenna resonating element to ground.

Abstract: A mobile terminal includes a metal frame including a base portion and an edge portion formed along the outer edge of the base portion, first and second cases bonded to the front and back sides of the metal frame so as to expose the edge portion to the outside, first and second waterproof layers formed between the cases and the metal frame, conductive members that operate a radiator for antennas, together with the edge portion, and are formed on one side of the second case, and feeding portions for feeding the conductive members, the feeding portions being disposed in an enclosed space formed by the waterproof layers.

Abstract: An antenna module applied to an electronic device including a wireless communication controller and a body that includes an opening. The antenna module includes a first inductance component and a metal case. The first inductance component includes a first end and a second end, and the first end of the first inductance component is electrically connected to an end of the wireless communication controller. The metal case includes a first connection point and a second connection point. The first connection point is electrically connected to the second end of the first inductance component, and the second connection point is a preset distance away from the first connection point and electrically connected to the wireless communication controller.

Abstract: A data communications apparatus including a case having a base and a lid connectable to the base, the lid movable with respect to the base between an open position and a closed position. The case has an inner surface. A power supply is secured inside the case. A router device is secured inside the case, the router device selectively receiving power from the power supply. A plurality of mounting brackets can be adhered to the inner surface of the case. An antenna array is in electrical communication with the router device, the antenna array including at least two cellular antennas, at least two wireless networking antennas, and at least one global positioning system antenna, each antenna of the antenna array secured inside the case to a corresponding mounting bracket.

Abstract: The present disclosure relates to an RF antenna adapted to receive and/or transmit electromagnetic RF signals within a first frequency range enclosing a first frequency of resonance of the RF antenna, the RF antenna comprising: an electrically conductive antenna element having a feed for electrically connecting to an RF transmitter and/or an RF receiver; an electronic component adapted to receive and/or provide one or more electric signals from/to an electronic circuit within a second frequency range not overlapping the first frequency range; and one or more electric leads electrically connected to lead the one or more electric signals between the electronic component and the electronic circuit, each of the one or more electric leads being electrically connected to the electronic circuit through a respective inductor adapted to reflect and/or attenuate signals within the first frequency range and pass signals within the second frequency range.

Abstract: An antenna arrangement including a first antenna element connected to a first feed point and having a first electrical length; a second antenna element connected to a second feed point, different to the first feed point, and including: a first portion which extends from the second feed point and has a second electrical length, similar to the first electrical length, which enables the first portion to electromagnetically couple with the first antenna element, and a second portion which extends from the second feed point and has a third electrical length, different to the first electrical length of the first antenna element and to the second electrical length of the first portion.