Abstract: A binder resin for a nonaqueous secondary battery electrode of the invention satisfies Is?30 (Is indicates a sum of scattering intensities observed in a particle size range of from 1 to 100 nm) when a solution is formed by dissolving the binder resin in water at a concentration of 5% by mass and particle size distribution is measured by a dynamic light scattering method at 25° C. The binder resin contains a polymer (B) having a structural unit represented by the following Formula (11) and a specific structural unit. The binder resin also contains a polymer (?) having a specific structural unit and a structural unit represented by the following Formula (22), and/or a mixture of a polymer (?1) having a specific structural unit and a polymer (?2) having a structural unit represented by the following Formula (22).

Abstract: A wire mesh including a warp which includes a first nickel alloy wire having a first peak tensile strength; and a weft which includes a wire including nickel having a second peak tensile strength, wherein the first peak tensile strength is greater than or equal to the second peak tensile strength, is provided. A current collector and a zinc-air battery that includes the wire mesh are also provided.

Abstract: A porous carbon sheet contains a carbon fiber and a binding material, wherein layers are obtained in a section spanning from a plane closest to one of the surfaces and having 50% of the mean fluorine intensity to a plane closest to the other surface and having 50% of the mean fluorine intensity by dividing this section evenly into three in an orthogonal direction to the carbon sheet plane; among the layer close to one of the surfaces and the layer close to the other surface, the layer having the larger layer mean fluorine intensity is designated layer X, the layer having the smaller one is designated layer Y, and the layer between the layer X and the layer Y is designated layer Z; and the layer mean fluorine intensities decrease in the order: layer X, layer Y, and layer Z.

Abstract: A porous carbon sheet contains carbon fiber and a binder, wherein the carbon sheet is characterized in that in a section from a plane having a 50% filling ratio closest to one surface to a plane having a 50% filling ratio closest to the other surface, when letting layer X be a layer with the largest filling ratio close to the one surface, layer Y be a layer with a filling ratio smaller than layer X close to the other surface, and layer Z be the layer positioned between layer X and layer Y for layers obtained by dividing the carbon sheet equally into three in a direction perpendicular to the surfaces, the filling ratio for the layers becomes smaller in order of layer X, layer Y, and layer Z.

Abstract: A catalyst comprising particles of iridium oxide and a metal oxide (M oxide), wherein the metal oxide is selected from the group consisting of a Group 4 metal oxide, a Group 5 metal oxide, a Group 7 metal oxide and antimony oxide, wherein the catalyst is prepared by subjecting a precursor mixture to flame spray pyrolysis, wherein the precursor mixture comprises a solvent, an iridium oxide precursor and a metal oxide precursor is disclosed. The catalyst has particular use in catalysing the oxygen evolution reaction.

Abstract: A method for stimulating and analyzing of cancer cells, including: preparing an integrated stimulating-analyzing set-up including an array of carbon nanotubes (CNTs), measuring a first electrical response from the attached cancer cells, applying an electromagnetic field on the attached cancer cells to stimulate cancer cells, measuring a second electrical response from the stimulated cancer cells, and detecting the vitality of the stimulated cancer cells by comparing the first and the second measured electrical responses.

Abstract: Provided is a method for producing a catalyst, including: (i) mixing a core metal salt that serves as a material for a core metal, and a complexing agent (a) to produce a core metal complex solution containing a core metal complex; (ii) mixing a shell metal salt that serves as a material for a shell metal, and a complexing agent (b) to produce a shell metal complex solution containing a shell metal complex; (iii) mixing a carbon powder and a dispersing agent to produce a carbon powder dispersion; (iv) mixing the core metal complex solution, the shell metal complex solution, and the carbon powder dispersion, and reducing the core metal complex and the shell metal complex on the carbon powder by using at least one reducing agent; and (v) drying and baking at a predetermined temperature the carbon powder resulting from Step (iv), said carbon powder having a core-shell structure that includes the core metal and the shell metal.

Abstract: Provided are processes for preparing a thermodynamically stable PtBi2 alloy nanoparticle. In certain aspects, the process comprises preparing an aqueous mixture, with the aqueous mixture comprising: an inorganic compound comprising SnCl2; an inorganic compound comprising Bi; and HCl. The process further comprises adding PtCl4 to the mixture. The process results in the spontaneous reduction of Bi and Pt. Excess SnCl2 is adsorbed as a ligand at the surface of the PtB2 alloy nanoparticle, which serves to stabilize the nanoparticle. Another aspect provides a thermodynamically stable PtBi2 nanoparticle. The nanoparticle comprises a core comprising a PtBi2 alloy. The nanoparticle further comprises a shell at least partially encapsulating the core, with the shell comprising stannous chloride. The thermodynamically stable PtB2 nanoparticle has a negative charge.

Abstract: An object of the present invention is to provide a nonwoven carbon fiber fabric suitable as a gas diffusion electrode, which achieves good water discharge performance and maintains high gas diffusibility even when electricity is generated in humid conditions. The present invention provides a nonwoven carbon fiber fabric which has ridges on at least one surface thereof and which is provided with a water repellent, the ridges having a pitch that is less than 500 ?m.

Abstract: System and methods for refurbishing fuel cell stack components, the methods including singulating the stack using a splitting apparatus or a liquid nitrogen bath. Fuel cell debris may be removed from interconnects of the fuel cell stack using laser heating, flame heating, a die, sonication, a nubbed roller, grit blasting, and/or a high pressure fluid.

Abstract: A separator assembly for a fuel cell having an anode separator, a cathode separator, a cooling surface frame, and a gasket. In particular, the cooling surface frame is integrally bonded between peripheral portions of the anode separator and the cathode separator. Additionally, the gasket encloses the peripheral portions of the anode separator and the cathode separator between which the cooling surface frame is interposed.

Abstract: In a fuel gas circulation apparatus, a diffuser is accommodated in an attachment hole of a body. An injector is provided upstream of the diffuser through an attachment. A vibration absorption member made of elastic material is provided between a proximal end of a large diameter portion of this diffuser and a distal end of a main body in the attachment, and a ring member is provided adjacent to the vibration absorption member.

Abstract: Disclosed herein is an air shut-off valve for a fuel cell system that can completely close an air passage (11) communicating with a cathode of a fuel cell stack, even though a butterfly-type valve is employed, upon the halt of operation of the fuel cell system, thereby greatly improving the durability of the fuel cell stack.

Abstract: A hydrogen injection apparatus has an injector attached to an attachment hole of a body. The injector can inject hydrogen. A mounting member made of metal is provided on the outer circumferential side of the injector. An annular elastic member is provided in contact with a base of the mounting member. At the time of mounting the injector to the attachment hole, an elastic member and the mounting member are assembled in a manner that the elastic member and the mounting member are accommodated in a support base of an attachment provided at an opening of the attachment hole.

Abstract: In a fuel gas circulation apparatus, an injector for injecting a fuel gas is inserted into an attachment hole of a body. A cylindrical nozzle is provided integrally with a distal end of the injector. A diffuser is provided downstream of the injector. The diffuser mixes a redundant fuel cell and the injected fuel gas. Connection channels are formed at the proximal end of the diffuser for circulation of the off gas. A reduced diameter portion having the reduced flow channel diameter is formed downstream of a chamber where the connection channels are provided. A nozzle injection hole at the distal end of the nozzle is positioned to face, and coaxially with the reduced diameter portion to circulate the off gas toward a fuel cell stack under operation of the negative pressure generated by the diffuser.

Abstract: A system comprising: (a) a liquid natural gas compression module having a compressed liquid natural gas conduit; (b) an active magnetic regenerative refrigerator H2 liquefier module; (c) at least one H2 gas source fluidly coupled to the active magnetic regenerative refrigerator H2 liquefier module via an H2 gas conduit; and (d) a heat exchanger that receives the compressed liquid natural gas conduit and the H2 gas conduit.

Abstract: A wrist-mountable portable electronic device comprises an electronic device which is incorporated into a housing and a strap, coupled to the housing and configured to retain the wrist-mountable portable electronic device on the wrist of a user. The strap incorporates at least one fuel cell coupled to provide power to the portable electronic device. The portable electronic device may be a watch or a personal communication device or a personal health and/or activity monitor. The strap may further include an integral fuel source coupled to the at least one fuel cell, and the fuel source may be a replaceable cartridge. High power devices to be worn on the wrist may therefore be powered for extended periods of time.

Abstract: A low-temperature startup method for a fuel cell, includes detecting a temperature of the fuel cell. It is determined whether the temperature is lower than a threshold temperature. A drying operation to dry the fuel cell is increased when the temperature is determined to be lower than the threshold temperature upon starting the fuel cell to generate electric power via an electrochemical reaction between fuel gas and oxidant gas.

Abstract: A method of improving the electrical performance of an operating fuel cell catalyst-containing cathode in a fuel cell connected to an electrical load by: reducing the flow of air to the cathode; disconnecting the load from the fuel cell; connecting a potentiostat to the fuel cell; cycling an applied voltage, current, or power to the fuel cell one or more times; disconnecting the potentiostat from the fuel cell; reconnecting the load to the fuel cell; and resuming the flow of air to the cathode.

Abstract: A solid-state hydrogen storage device includes a first storage for storing a reversible solid-state hydrogen storage material, a reactor disposed in the first storage to enable a hydrolysis reaction of a non-reversible solid-state hydrogen storage material to be performed therein, and a fuel cell stack, wherein the non-reversible solid-state hydrogen storage material is stored in the reactor, and wherein the non-reversible solid-state hydrogen storage material releases heat when the hydrolysis is performed.

Abstract: The present invention relates to an electrode catalyst for fuel cell containing a catalyst carrier having carbon as a main component and a catalytic metal carried on the catalyst carrier, wherein the electrode catalyst for fuel cell has a ratio R? (D?/G intensity ratio) of a peak intensity of D? band (D? intensity) measured in the vicinity of 1620 cm?1 to a peak intensity of G band (G intensity) measured in the vicinity of 1580 cm?1 by Raman spectroscopy of more than 0.6 and 0.8 or less, and satisfies at least one of the (a) to (d). According to the present invention, an electrode catalyst for fuel cell excellent in gas transportability is provided.

Abstract: Gadolinium-doped cerium oxide slurries used to form a patchwork type surface structure with nanoporous grain boundary prepared by mixing gadolinium-doped cerium oxide and a polymer binder to form a first mixture; wet-atomizing the first mixture under a pressure of at least 100 MPa to obtain a second mixture; coating the second mixture to a substrate to form in a coated substrate; and sintering the coated substrate. The patchwork type structure is a polygonal or honeycomb structure having a size of from 0.1 ?m to 3 ?m.

Abstract: Various embodiments may comprise an ion exchange membrane (IEM) redox flow cell comprising a IEM, a negative electrode in contact with a reactive fluid, a liquid electrolyte comprising reactants, a positive electrode in contact with the liquid electrolyte, and a diffusion barrier layer disposed between the IEM and the positive electrode, and wherein the negative electrode is isolated from the positive electrode by the IEM.

Abstract: A fuel cell stack for a vehicle includes a stack body and a case. The stack body includes power generating cells to generate electric power via electrochemical reaction between fuel gas and oxidant gas. The power generating cells are stacked. The case houses the stack body therein and is mounted in the vehicle. The case includes a lower panel and an upper panel. The upper panel is provided above the lower panel in a height direction of the vehicle and has an inner surface opposite to the lower panel in the height direction. The stack body is provided between the upper panel and the lower panel. The upper panel includes a flow passage therein which extends along the inner surface of the upper panel and which communicates with an interior of the case and an exterior of the case.

Abstract: A secondary battery includes an electrode assembly including a first electrode plate, a second electrode plate, and a separator provided between the first and second electrode plates, wrapping tape including a first surface and a second surface opposite to the first surface, the wrapping tape surrounding the electrode assembly, and having adhesive layers coated only on parts of the first surface, a can including an opening at a side thereof to insert the electrode assembly therethrough, the can accommodating the electrode assembly therein, and a cap assembly configured to close the opening of the can.

Abstract: Electrolyte solutions including additives or combinations of additives that provide low temperature performance and high temperature stability in lithium ion battery cells.

Abstract: An electrolyte solution comprising an additive wherein the additive is not substantially consumed during charge and discharge cycles of the electrochemical cell. Additives include Lewis acids, electron-rich transition metal complexes, and electron deficient pi-conjugated systems.

Abstract: An electrolyte for a lithium-ion battery which includes lithium hexafluorophosphate and lithium 2-pentafluoroethoxy-1,1,2,2-tetrafluoroethanesulfonate. A lithium-ion battery which includes an electrolyte containing lithium hexafluorophosphate and lithium 2-pentafluoroethoxy-1,1,2,2-tetrafluoroethanesulfonate. A motor vehicle which uses a lithium-ion battery having electrolytes containing lithium hexafluorophosphate and lithium 2-pentafluoroethoxy-1,1,2,2-tetrafluoroethanesulfonate. The electrolyte can increase the service life of the lithium-ion battery.

Abstract: A nonaqueous electrolyte secondary battery having an electrode group in which a positive electrode plate containing a positive electrode active material and a negative electrode plate containing a negative electrode active material are wound with a separator there between. The positive electrode active material uses a lithium transition metal oxide represented by the formula LiaNixM1-xO2 (0.9?a?1.2, 0.8?x<1, and M is at least one element of Co, Mn, and Al). The positive electrode plate is provided with a current-collecting tab placed in a position that is 200 mm or more apart from the winding start of the positive electrode plate. The separator has an MD direction tensile strength (SMD)-to-TD direction tensile strength (STD) ratio (SMD/STD) of from 0.72 to 1.37 and an MD direction tensile elongation (EMD)-to-TD direction tensile elongation (ETD) ratio (EMD/ETD) of from 0.34 to 1.29.

Abstract: The invention relates to an article comprising: a) one or more stacks of battery plates comprising one or more bipolar plates; b) located between each plate is a separator and a liquid electrolyte; further comprising one of more of the features: 1) c) the one or more stacks of battery plates having a plurality of channels passing transversely though the portion of the plates having the cathode and/or the anode deposited thereon; and d) i) one or more seals about the periphery of the channels which prevent the leakage of the liquid elelctrolyte into the channels, and/or posts located in one or more of the channels having on each end an overlapping portion that covers the channel and sealing surface on the outside of the monopolar plates adjacent to the holes for the transverse channels and applies pressure on the sealing surface of the monopolar plates wherein the pressure is sufficient to withstand pressures created during assembly and operation of electrochemical cells created by the stacks of battery plates

Abstract: A power storage system or a power storage device that can restore reduced capacity is provided. The power storage device includes a first exterior body, a first electrode, a second electrode, a first electrolyte solution, and a carrier ion permeable film. The first electrode, the second electrode, and the first electrolyte solution are covered with the first exterior body. The first electrode and the second electrode are in contact with the first electrolyte solution. The first electrolyte solution includes carrier ions. A first opening is provided in the first exterior body. The carrier ion permeable film is provided to be in contact with the first electrolyte solution and so as to block the first opening without any space. The carrier ion permeable film is configured to be impermeable to water and air but permeable to the carrier ions.

Abstract: The present application discloses a method of quick charging a lithium battery for a brushless direct current motor drive system, including the steps: (1) a constant power charging stage; and (2) a linear charging stage. The above-mentioned method of quick charging a lithium battery for a brushless direct current motor drive system has the advantages of speeding up the charging process and reducing heat generation during the charging process so as to realize short charging time, and shorten the waiting time for battery charging. It has an extensive market prospect for the popularization of the method of quick charging a lithium battery for a brushless DC motor drive system.

Abstract: A battery system includes a battery that couples to an electrical system. The battery system also includes a battery control module that electrically couples to the battery. The battery control module monitors at least one monitored parameter of the battery, and the battery control module recursively calculates at least one calculated parameter of the battery based on at least an equivalent circuit model, the at least one monitored parameter, and a Kalman filter.

Abstract: A battery module includes a circuit board, bus bars, a first temperature sensor, a second temperatures sensor, and a controller. The circuit board is over a plurality of battery cells. The bus bars are connected to the battery cells and the circuit board. The first temperature sensor is on the circuit board to measure a first temperature of the battery cells. The second temperature sensor is on the circuit board and spaced from the first temperature sensor. The second temperature sensor measures a second temperature from the circuit board. The controller is on the circuit board, receive information indicative of the first temperature and the second temperature, and calculates an estimated temperature of each of the battery cells.

Abstract: An energy storage apparatus includes: a plurality of energy storage devices; a spacer unit having one or more spacers disposed between the energy storage devices or on sides of the energy storage devices; and a plurality of members disposed above the energy storage devices and the spacer unit (a bus bar frame, a heat shielding plate, a holder), wherein the spacer unit has a plurality of locking portions, the locking portions being configured to lock the members, respectively.

Abstract: The invention refers to a cooling device (10) for a vehicle battery with at least one coolant line (12) and at least one separate clamping element (14), which is made of an elastic material, for pressing the coolant line (12) directly up against a flat surface of the vehicle battery. The coolant line (12) is flat, with an essentially flat upper surface (13) for contact with the flat face of the vehicle battery. The invention also concerns a vehicle battery assembly (100) with a vehicle battery that contains multiple battery elements (102) and a cooling device (10) such as that mentioned above.

Abstract: Systems and methods for overheating protection in a liquid cooled vehicle battery are disclosed. Systems can include a battery housing enclosing at least one electrochemical cell and a temperature dependent fuse connected in series with the at least one electrochemical cell. A cooling system may circulate liquid coolant through the battery housing. In the event of a cooling system failure, the temperature dependent fuse may blow before the temperature of the at least one electrochemical cell increases enough to damage the battery.

Abstract: The present invention provides a cooling system for a battery pack, comprising: a housing, an air passage, a fan and at least two air holes; the housing comprises an upper cover and a box, the upper cover is connected with the box; the air passage is arranged on the box and comprises an airflow cavity, an air channel and an air hole; the airflow cavity is arranged at a bottom of the box; the air channel is arranged on a side wall of the box, and the bottom of the air channel is communicated with the airflow cavity; all the air holes are arranged on the housing and communicated with the air passage, wherein at least one air hole is arranged on the upper cover and corresponds to a top end of the air channel; and the fan is arranged inside the air passage.

Abstract: A heat exchanger and battery unit structure is provided for cooling battery units (or cells) where the thermally conductive nature of the battery forms a cooling path. The heat exchanger is in the form of a cooling element provided with an engaging device formed on or attached to an outer surface of the cooling plate for receiving a battery unit (or cell). The interconnection between the battery unit (or cell) and heat exchanger creates a mechanical interlock between the two components that results in improved heat transfer properties between the two components.

Abstract: A termination/attenuation network applies to an input of a set-top box a MOCA channel signal having a narrow band of frequencies and included in RF signals having a wide band of frequencies received via a cable from a satellite antenna. The network includes a pair of series resistors and a parallel resistor coupled to a junction terminal between the pair of series resistors in a T-shaped configuration. A series-pass band-pass filter (L1, C2) bypasses the pair of series resistors and a parallel band stop filter (L2, C1) decouples the parallel resistor at the frequency band of the MOCA channel signal for selectively reducing attenuation at the frequency band of the MOCA channel signal.

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 invention relates to a tuneable waveguide structure comprising a first, second, third and fourth electrically conducting inner wall. The first inner wall and the second inner wall are facing each other, and the third inner wall and the fourth inner wall are facing each other, the intended extension of the electrical field is parallel to the first inner wall and the second inner wall, and perpendicular to the third inner wall and the fourth inner wall. The waveguide structure comprises at least one tuning device that comprises a wall part that is movably arranged along an extension that is perpendicular to the intended extension of the electrical field. Each wall part is at least indirectly connected to support rods that are in sliding engagement with a corresponding sloped surface that is laterally adjustable in the extension of the slope. Each wall part may be constituted by an electrically conducting foil.

Abstract: Various embodiments provide an antenna hitch mount for securing an antenna, such as a satellite dish, to a vehicle. According to one embodiment, the hitch mount includes a hitch mounting portion, a plate, and an antenna mounting portion. The hitch mounting portion is configured to be inserted in to a hitch. The hitch mounting portion includes holes that are on opposite sides of the hitch mounting portion and are aligned with each other. The plate is used to couple the hitch mounting portion and the antenna mounting portion to each other. The antenna mounting portion is configured to support an antenna. Namely, an antenna is secured to the antenna mounting portion by a fastening device, such as a mast clamp.

Abstract: A wireless LED tube lamp device (100) comprises: an at least partially transparent tube (7); at least one LED (1) arranged within said tube; at least one LED driver (4); a LED controller (5); an RF antenna (30; 40) coupled to the controller for receiving and sending wireless commands. The RF antenna is a curved antenna having antenna elements (31, 32, 33; 41, 42, 43) located in a common curved plane wherein said antenna comprises an array of half-loop wire antenna, and said array of half-loop wire antenna comprises a plurality of coils of line.

Abstract: An electronic device is provided, including a housing, a side member, a display, a printed circuit board (PCB), and a communication device. The housing includes a first plate facing a first direction and a second plate facing a second direction opposite to the first direction, forming a space between the first and second plates. The side member surrounds at least part of the space. The communication device is disposed in the housing and connected with the PCB. The side member includes a first antenna unit disposed on one side of the electronic device, electrically connected with a radio frequency (RF) module, and having a first metal frame. The housing further includes a board-type antenna which includes a second antenna unit electrically connected with a WiFi module, an antenna connector configured to electrically connect the first and second antenna units, and a third antenna unit electrically connected with the antenna connector.

Abstract: A configurable segmented antenna is described herein. A monitor component can be configured to detect at least one parameter corresponding to one or more segments of an antenna integrated with a communications device. An antenna component can be configured to select at least one segment of the one or more segments in response to the at least one parameter. A control component can be configured to modify a quality of a signal according to the at least one parameter. Further, a transmission component can be configured to transmit the signal from the at least one segment based on the quality.

Abstract: An electronic device includes a first antenna radiator configured to transmit or receive a signal of a first frequency band and a signal of a second frequency band, a second antenna radiator configured to transmit or receive the signal of the second frequency band, a matching circuit mismatched with the second antenna radiator in the first frequency band and matched with the second antenna radiator in the second frequency band, a radio frequency circuit electrically connected to the first antenna radiator and the second antenna radiator, and a processor configured to control the RF circuit such that the signal of the second frequency band is transmitted or received through the first antenna radiator and the second antenna radiator in a multi-input multi-output mode or such that the signal of the first frequency band is transmitted or received through the first antenna radiator in a single input single output mode.

Abstract: An antenna may include a first printed circuit board (PCB), a second PCB, a dielectric disposed between the first and the second PCB, and electrical connection configured to connection a subset of conducting elements from the first PCB to the second PCB. The first PCB includes a first and a second conducting elements and a ground conducting element. The second PCB includes a third conducting element. The electrical connection connects the first conducting element to the third conducting element. A first portion of the ground conducting element provides a ground reference for the first conducting element and the third conducting element. A second portion of the ground conducting element provides a ground reference for the second conducting element. The first and third conducting elements resonate over a first range of frequencies. The second conducting element is configured to resonate over a second range of frequencies.

Abstract: An electronic device is provided. The electronic device includes a housing including a front face having a substantially rectangular shape and facing in a first direction, a rear face having a substantially rectangular shape and facing in a second direction that is opposite to the first direction, and first to fourth side face members that enclose a space between the front face and the rear face, wherein at least a portion of the first to fourth side face members is formed of a conductive material, a touch screen display exposed through the front face, and at least one wireless communication circuit arranged within the housing. The rear face includes a substantially flat conductive plate that constitutes a substantial portion of the rear face, and an elongated non-conductive strip that encloses the conductive plate when viewed from above the rear face, and extends along the first to fourth side face members.

Abstract: An antenna structure includes a metallic frame and a stub antenna. The metallic frame defines a slot and two gaps. The two gaps are positioned at two ends of the slot and are substantially perpendicular to the slot. The metallic frame is divided into a first portion and a second portion by the slot and the two gaps. A portion of the metallic frame surrounded by the slot and the two gaps forms the first portion. The first portion serves as a radiator of the antenna structure and is grounded through the second portion. The stub antenna is positioned at an interior of the metallic frame and is spaced from the radiator.