Abstract: A lithium metal oxide composite for a lithium secondary battery includes a core portion formed of a Mn metal compound and a shell portion formed of a three-component system metal compound at an outside of the core portion. A method of preparing a lithium metal oxide composite for a lithium secondary battery includes: mixing an Mn metal salt aqueous solution, a chelate agent, and a pH regulator to precipitate a first precursor; thermally treating the obtained first precursor; mixing the thermally treated first precursor with a three component system metal salt aqueous solution, a chelate agent, and a pH regulator to precipitate a second precursor; and mixing the obtained second precursor with a lithium-containing compound to synthesize a powder via a firing.

Abstract: The present invention aims to provide a nonaqueous electrolyte secondary battery having excellent charge discharge cycle characteristics in a high-temperature environment. The present invention relates to a nonaqueous electrolyte secondary battery which includes a positive electrode in which a positive electrode active material mixture layer is formed, a negative electrode in which a negative electrode active material mixture layer is formed, a nonaqueous electrolyte, and a separator, and in the above nonaqueous electrolyte secondary battery, on at least one surface of the positive electrode active material mixture layer and the negative electrode active material mixture layer, an inorganic particle layer containing a rare earth element compound is formed.

Abstract: A flow battery and method of operating a flow battery. The flow battery includes a first electrode, a second electrode and a reaction zone located between the first electrode and the second electrode. The flow battery is configured with a first electrolyte flow configuration in charge mode and a second flow configuration in discharge mode. The first electrolyte flow configuration is at least partially different from the second electrolyte flow configuration.

Abstract: A cathode active material including a composite transition metal oxide including: sodium; a first transition metal; and a second transition metal, wherein the composite transition metal oxide has a first diffraction peak corresponding to a Miller index of (003) and derived from a layered rock salt structure, and a second diffraction peak corresponding to a Miller index of (104) and derived from a cubic rock salt structure in an X-ray powder diffraction (XRD) pattern, wherein an intensity ratio (I1/I2) of the first diffraction peak to the second diffraction peak is about 7 or greater.

Abstract: Provided is a manufacturing method of carbonaceous material for a negative electrode of non-aqueous electrolyte secondary batteries, wherein the carbonaceous material is obtained from plant-derived char as a source, potassium is sufficiently removed, and an average particle diameter thereof is small; and a carbonaceous material for a negative electrode of non-aqueous electrolyte secondary batteries. The method for manufacturing a carbonaceous material having an average particle diameter of 3 to 30 ?m, for a negative electrode of non-aqueous electrolyte secondary batteries includes the steps of: (1) heating plant-derived char having an average particle diameter of 100 to 10000 ?m at 500° C. to 1250° C. under an inert gas atmosphere containing halogen compound to demineralize in a gas-phase, (2) pulverizing a carbon precursor obtained by demineralization in a gas-phase, (3) calcining the pulverized carbon precursor at 1000° C. to 1600° C. under an non-oxidizing gas atmosphere.

Abstract: The present invention provides one with an iron electrode employing a binder comprised of polyvinyl alcohol (PVA) binder. In one embodiment, the invention comprises an iron based electrode comprising a single layer of a conductive substrate coated on at least one side with a coating comprising an iron active material and a binder, wherein the binder is PVA. This iron based electrode is useful in alkaline rechargeable batteries, particularly as a negative electrode in a Ni—Fe battery.

Abstract: To provide a method for forming a storage battery electrode including an active material layer with high density in which the proportion of conductive additive is low and the proportion of the active material is high. To provide a storage battery having a higher capacity per unit volume of an electrode with the use of a storage battery electrode formed by the formation method. A method for forming a storage battery electrode includes the steps of forming a mixture including an active material, graphene oxide, and a binder; providing a mixture over a current collector; and immersing the mixture provided over the current collector in a polar solvent containing a reducer, so that the graphene oxide is reduced.

Abstract: A positive active material for a rechargeable lithium battery is disclosed. The positive material includes including a lithium-manganese oxide-based solid solution including primary particles and secondary particles having a particle diameter (D50) in the range of about 1 ?m to about 5 ?m, a particle diameter (D90) in the range of less than about 8 ?m, and a crystallite diameter of less than or equal to about 150 nm. The positive electrode for a rechargeable lithium battery includes the lithium manganese oxide-based solid solution is also disclosed.

Abstract: A solid state battery includes a flexible polymer sheet, and an array of solid state pillars supported by and extending through the sheet. Each of the pillars has an anode layer, a cathode layer adjacent, and an inorganic solid electrolyte (ISE) layer interposed between the anode and cathode layers. A flexible electrochemical membrane includes a flexible polymer sheet, and an array of inorganic solid electrolyte pillars supported by the polymer sheet with each of the pillars extending through a thickness of the sheet to form an ionically conductive pathway therethrough.

Abstract: A battery includes at least one battery module having a lower face, a cooling plate having an upper face, and a fixing system configured for the at least one battery module. The battery module is arranged on the upper face of the cooling plate. The fixing system includes at least two rails running at a distance from each other. The at least one battery module is fixed on the cooling plate by the rails in such a way that the lower face of the battery module is in direct contact with the upper face of the cooling plate. A motor vehicle includes the battery.

Abstract: Provided is a solid oxide fuel cell which includes a fuel electrode, a solid electrolyte, and an air electrode, each being sequentially laminated on the surface of a porous support. The porous support comprises forsterite and a nickel element. Ni and/or NiO fine particles are exposed on a surface of a sintered compact of the forsterite constituting the porous support.

Abstract: Various embodiments include interconnects for a fuel cell stack that includes a first support frame having a first surface that is configured to be secured to a first surface of a fuel cell. A gas flow separator section is secured to a second surface of the first support frame, opposite the first surface of the first support frame. A second support frame is secured to a second surface of a second fuel cell, opposite the first surface of the first fuel cell. The first and second support frames have a coefficient of thermal expansion (CTE) that substantially matches the CTE of the electrolyte material of the fuel cells, and the gas flow separator section has a CTE that does not substantially match a CTE of an electrolyte material of the fuel cells.

Abstract: A power generation system has a power generation unit (1), a casing (2) accommodating the power generation unit (1), a ventilator (3) configured to ventilate the interior of the casing (2), and a first exhaust gas passage (4) configured to pass therethrough an exhaust gas from the ventilator (3) which is discharged out of the casing (2). The first exhaust gas passage (4) merges with a second exhaust gas passage (6) connected to a duct (11) open to outside air before the second exhaust gas passage (6) is connected to the duct (11), the second exhaust gas passage (6) being configured to pass a combustion exhaust gas from a combustion device (5) configured to generate heat to be supplied to a heat load.

Abstract: An exemplary arrangement and method for controlling operating conditions of a fuel cell device are disclosed. The fuel cell device having plural fuel cells, each including an anode side, a cathode side, an electrolyte between the anode side and the cathode side, and being arranted in a stack. The control arrangement includes at least one controllable electrical heater configured to produce controllable heat quantities, at least two controllers that control fuel cell quantities including at least a portion of air flowing to the fuel cells and heat applied to the stack environment. The controllable heat quantities and controllable fuel cell quantities are controlled to meet a target value. The fuel cell device includes a low level high speed controller configured to control at least one controllable electrical heater to operate the heater as a buffer for excess energy of the fuel cell device.

Abstract: An example fuel cell assembly may include a shaped fuel source that is formed into a desired shape. The shaped fuel source may have an outer surface, and a fuel cell may be mounted directly on the outer surface of the shaped fuel source. In some instances, the fuel cell assembly may also include one or more of a cathode cap, an anode cap, a refill port, and an outer shell disposed around an exterior of the fuel cell assembly, but these are not required.

Abstract: A fuel cell system includes: a reformer operative to generate a reformed gas by using a raw material gas; a fuel cell operative to generate electric power by using the reformed gas from the reformer and air; a desulfurizer operative to perform hydrodesulfurization of the raw material gas; a recycled gas passage through which a part of the reformed gas is supplied as a recycled gas to a raw material gas passage provided upstream of the desulfurizer; and a heat exchanger operative to cause the recycled gas flowing through the recycled gas passage to perform heat exchange with one of the raw material gas and the air.

Abstract: Membrane electrode assembly is provided that includes an electrolyte membrane; an electrode catalytic layer including nanostructured elements having acicular micro structured support whiskers bearing acicular nanoscopic catalyst particles; and a gas diffusion layer including a nitrogen-containing compound that includes an anionic ion-exchange group. A method of regenerating the membrane electrode assembly is also provided.

Abstract: A high efficiency fuel cell system comprising a topping fuel cell assembly comprising a topping cathode portion and a topping anode portion; and a bottoming fuel cell assembly comprising a bottoming cathode portion and a bottoming anode portion, wherein the bottoming anode portion receives anode exhaust output from the topping anode portion and the topping cathode portion receives cathode exhaust from the bottoming cathode portion, and wherein the topping fuel cell assembly has a greater number of fuel cells than the bottoming fuel cell assembly so that the topping fuel cell assembly utilizes more fuel than the bottoming fuel cell assembly.

Abstract: A bacterial fuel cell including at least one anode and at least two cathodes in liquid communication with a liquid to be treated, the at least one anode being separated from the at least two cathodes by at least first and second electrically insulating spacers and the at least one anode and the at least two cathodes being electrically connected across an external load and the at least one anode and the at least two cathodes being wound together generally in a spiral configuration together with at least a third electrically insulating spacer.

Abstract: A fuel cell installation includes a support structure and a cell stack assembly that is removably insertable into the support structure from an uninstalled position to an installed position during an installation procedure. The cell stack assembly includes a fitting. An interfacing structure is mounted on one of the support structure in the cell stack assembly. The interfacing structure carries a connector that is configured to receive the fitting in interconnected relationship. At least one of the fitting and the connector floats in a plane relative to the support structure during the installation procedure. In operation, the fitting engages the connector when the cell stack assembly is inserted into the support structure. The fitting is repositioned relative to the connector to ensure that the fitting and connector are aligned with one another and connected upon installation. Related methods are disclosed.

Abstract: An electrochemical cell stack system may include a plurality of cell stacks fluidly connected by a plurality of first conduits to form a loop of cell stacks. At least one first valve may be located on each first conduit and may be capable of a closed configuration and an open configuration. Each of the cell stacks may have an input end for receiving a first fluid and an output end for discharging a second fluid. The system may deliver the first fluid from the fluid source to the input end of a first cell stack of the plurality of cell stacks via a first input line of a plurality of input lines and may receive the second fluid from the output end of a second cell stack of the plurality of cell stacks via a first output line of a plurality of output lines.

Abstract: A secondary battery includes: a case; and an electrode assembly accommodated in the case and including a positive electrode plate, a negative electrode plate, and a separator between the positive and negative electrode plates. At least one of the positive and negative electrode plates includes: a first sub-electrode plate including a first coating surface coated with an active material and a first non-coating surface facing oppositely away from the first coating surface and not coated with the active material; and a second sub-electrode plate including a second coating surface coated with an active material and a second non-coating surface facing oppositely away from the second coating surface and not coated with the active material. The first non-coating surface of the first sub-electrode plate faces the second non-coating surface of the second sub-electrode plate to allow the first and the second sub-electrode plates to slip relative to each other.

Abstract: There is provided a jelly-roll type electrode assembly. In the jelly-roll type electrode assembly including a cathode including a cathode active material coating layer and an anode including an anode active material coating layer, with a separation film interposed therebetween, and formed to be rolled, the jelly-roll type electrode assembly is characterized in that the anode and the cathode include uncoated portions, the uncoated portions are overlapped and include mirror images formed on a front surface and a rear surface, and the jelly-roll type electrode assembly is flexible in the uncoated portion. A pouch-type secondary battery, a battery pack and a device including the electrode assembly are provided. A flexible jelly-roll type secondary battery may be reversibly flexible while blocking the separation of an electrode active material from a current collector surface.

Abstract: This invention provides lithium-based batteries that include one or more inorganic barrier layers disposed between the anode and the cathode. The inorganic barrier layer is a lithium-ion conductor and is non-permeable to lithium-containing compounds, such as lithium polysulfides or lithium dendrites. The inorganic barrier layer may be in direct contact with the anode or cathode, or electrically isolated from the anode and cathode. The principles disclosed herein solve the problem of maintaining electrical isolation of the anode and cathode, while providing efficient lithium-ion conduction without crossover of other lithium species that would otherwise limit the power performance of the battery.

Abstract: A configuration includes at least three successive layers, the three layers having a top electrode layer, a bottom electrode layer, and an electrolyte layer situated between the top electrode layer and the bottom electrode layer. At least the electrolyte layer and one of the top electrode layer or the bottom electrode layer have an organic matrix, and the organic matrix of the electrolyte layer has an ionic conductivity in a range of ?10?6 S/cm. Such a configuration is suitable in particular for forming a rechargeable lithium-ion battery and permits simple and cost-effective manufacturing and good adaptability to the desired application.

Abstract: A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are provided. The non-aqueous electrolyte solution includes an organic solvent, an ionizable lithium salt, a dinitrile compound including an ether bond represented by Chemical Formula 1, and an aliphatic dinitrile compound represented by Chemical Formula 2. The lithium secondary battery including the non-aqueous electrolyte solution having the possibility of generating a swelling phenomenon while storing or charging/discharging at a high temperature may be restrained. In addition, a cycle life of the charging/discharging may be improved.

Abstract: In an aspect, an electrolyte that includes a lithium salt, an organic solvent, and an additive is disclosed.

Abstract: A rechargeable battery that features two or more levels of internal resistance according to various temperature ranges is disclosed.

Abstract: A non-aqueous electrolyte secondary battery includes an electrode assembly including a positive electrode including a positive electrode active material layer, a negative electrode, and a separator disposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte, wherein at least one of the positive electrode and the separator contains a phosphoric acid ester compound containing at least one metal element and represented by a general formula (1) (where X and Y each represent a metal element, a hydrogen atom, or an organic group; at least one of X and Y represents a metal element; when the metal element is divalent, X and Y together represent a single metal element; and n represents an integer of 2 or more and 10 or less).

Abstract: A battery includes at least one battery cell that has a housing with an electrode arrangement arranged therein. A first temperature sensor is arranged outside the battery cell housing, and a second temperature sensor is arranged inside the battery cell housing. The temperature dynamic of the second temperature sensor is higher than the temperature dynamic of the first temperature sensor. A motor vehicle includes the battery cell.

Abstract: A power pack system includes an energy storage system having a plurality of energy storage devices and a thermal management system. The thermal management system includes a battery ventilation system connected to energy storage system for achieving and maintaining a predetermined temperature within energy storage system by providing a two way circulation of a working fluid. Further, the system includes a housing having a top cover and a bottom cover to receive and secure the energy storage devices therein. The top cover and bottom cover configured to retain said energy storage devices in a sealable manner. Further, a method for achieving and maintaining a pre determined temperature within an energy storage system includes providing two way circulation of a working fluid and maintaining a uniform flow velocity of the fluid at least inside the energy storage system.

Abstract: A secondary battery that includes a can, an electrode assembly accommodated in the can together with an electrolytic solution, a cap assembly sealing, the can, and an insulation member. The insulation member is interposed between the electrode assembly and the cap assembly. The insulation member includes a heat shrinkable material. The insulation member is contained within the can and in direct physical contact with an end of the electrode assembly.

Abstract: A fire suppressant battery system has a battery pack, a non-conductive fire suppressant liquid in a fire suppressant bladder, and a fire suppressant protective layer. The bladder melts at a temperature above the battery pack's desired operating condition, has a cavity for receiving the liquid and contacts at least a section of the battery pack. The protective layer is positioned onto a portion of the fire suppression bladder's exterior surface that is on the opposite side to that which contacts the battery pack.

Abstract: The present invention is directed to a hybrid device comprising: an energy converting unit comprising a first electrode, a second electrode and an energy converting medium arranged between the first electrode and the second electrode, wherein the energy conversion takes place between the first electrode and the second electrode; an energy charge storing unit comprising a first electrode, a second electrode and an electrolyte medium; wherein the energy charge is stored between the first and the second electrode; the second electrode of the energy converting unit and the second electrode of the energy charge storing unit being a shared electrode electrically connecting the energy converting unit and the energy charge storing unit; and wherein the shared electrode comprises a metal and a nanostructured material. The present invention is also directed to a method of manufacturing such a hybrid device.

Abstract: A metal/air battery in one embodiment includes a negative electrode, a positive electrode, and a separator positioned between the negative electrode and the positive electrode, wherein the pressure within the positive electrode is maintained at or above 10 bar with compression energy provided by electrons driving electrochemical reaction in the battery during charging of the metal/air battery.

Abstract: A lithium-air battery includes a cathode including a porous active carbon material, a separator, an anode including lithium, and an electrolyte including a lithium salt and polyalkylene glycol ether, where the porous active carbon material is free of a metal-based catalyst.

Abstract: An orthomode coupler for an antenna system, particularly for a multi-feed antenna is provided. The orthomode coupler includes a first signal waveguide for a first RF signal that can propagate in the first signal waveguide, along a first axis, as well as a second signal waveguide for a second RF signal that can propagate in the second signal waveguide, along a second axis, where the second axis is disposed parallel to the first axis. Furthermore, the orthomode coupler includes a septum polarizer in which the first and second signal waveguide end, and a common signal waveguide having a third axis, along which a transmission and reception signal can propagate, where the third axis runs parallel to the first and the second axis, and where the common signal waveguide is coupled with the septum polarizer. The common signal waveguide includes a further polarizer.

Abstract: Provided is a wiring board including: a board; a differential transmission line constituted by two wirings disposed on the board in parallel; an insulation resin layer which is formed on part of a face of the board. A stepped portion constituted by a lateral face of the insulation resin layer is formed at a boundary between the face of the board and a top face of the insulation resin layer. The two wirings extend from the face of the board to the top face of the insulation resin layer so as to traverse the stepped portion. The extending direction of the wirings traversing the stepped portion and the direction of a periphery are perpendicular to each other in a plan view of the board, the periphery being defined by a boundary between the top face of the insulation resin layer and the lateral face of the insulation resin layer.

Abstract: A transmission line comprising a transmission medium defined by a plurality of dielectric layers, wherein the dielectric layers include a first layer having a first dielectric constant, a second layer having a second dielectric constant and a third layer having a third dielectric constant being less than the first and second dielectric constant.

Abstract: An RF generator has a hollow conductor having a conductive wall. The wall has a first slot, over which a first solid-state switch is arranged in order to apply a radiofrequency electrical voltage through the first slot.

Abstract: A lens for interconnecting a metallic waveguide with a dielectric waveguide is provided. The lens may be coupled a metallic waveguide and a dielectric waveguide, and minimize a signal loss between the metallic waveguide and the dielectric waveguide.

Abstract: A system, method, device, and apparatus provide a dielectric waveguide splitter/bi-directional link. A dielectric substrate fabricated into a first Y-junction waveguide with a first port splitting into a first branch leading to a second port and a second branch leading to a third port. An angle between the first branch and the second branch is below ninety degrees (90°). The dielectric waveguide splitter enables millimeter-wave (mmWave) transmission between the first port and the second port while reducing feedback of the mmWave between the second and third port. Two Y-junction waveguides may be fabricated back-to-back to provide simultaneous bidirectional mmWave transmission at a single frequency.

Abstract: A tunable chirped delay line arrangement (0) configured to operatively propagate a signal and includes a at least one chirped delay line (1) arranged along a reference direction (z) on a dielectric layer (2) arranged on a ground plane (3). The chirped delay line (1) is configured with a smoothly varying width along the reference direction (z), and the arrangement (0) further comprising at least one electronically tunable impedance (5) interconnecting the at least one delay line (1) and the ground plane (3) at at least one location along the reference direction (z) such that the at least one delay line (1) is loaded by the tunable impedance (5).

Abstract: An arrangement for mounting a directional antenna (10) in an adjustable inclined position to an approximately vertical supporting member (11) comprises a separate upper antenna bracket (12) and a separate lower antenna bracket (12). The two antenna brackets (12) are formed equal to each other and each comprises a first mounting member (13), intended to be mounted to the antenna (10), and a second mounting member (14), intended to be mounted to the supporting member (11). The two mounting members (13, 14) are connected to each other by an intermediate connection (15, 16) which is arranged to permit the two mounting members (13, 14) to be moved a limited distance in an approximately horizontal direction towards or away from each other and to become fixed in adjusted positions relatively to each other.

Abstract: A first housing includes a first conductor plate, and a second housing includes a second conductor plate. A rotation mechanism openably and closably attaches the second housing to the first housing. A first driven element and a second driven element are arranged along a rotation axis of the rotation mechanism. Between the first driven element and the second driven element, a continuity structure intersects the rotation axis to establish direct-current or high-frequency continuity between the first conductor plate and the second conductor plate. An antenna device can be provided which can ensure sufficient isolation between a plurality of driven elements.

Abstract: An antenna system for a wearable electronic device includes a first conductive surface constructed from a segment of outer housing of the wearable electronic device. The first conductive surface spans a first axis through the wearable electronic device. The antenna system also includes a second conductive surface that spans the first axis. The second conductive surface is constructed from a set of contacting metal components that are internal to the wearable electronic device. The first and second conductive surfaces are separated by a space. The antenna system also has a contact element having a feeding element that connects the first conductive surface to the second conductive surface along a plane that is normal to the first conductive surface.

Abstract: An in-vehicle system has a first transmitting antenna that is disposed in a substantial center in a front portion inside a vehicle, a second transmitting antenna that is disposed in the substantial center in a rear portion inside the vehicle, a third transmitting antenna that is disposed in a side surface near a driver seat or a passenger seat of the vehicle, a transmission controller that controls transmission of a first signal or a second signal from the first to third transmitting antennas, the second signal disturbing reception of the first signal, and a receiving antenna that receives a response signal, the response signal being transmitted from a portable device receiving the first signal transmitted from the first to third transmitting antennas.

Abstract: An antenna device (100) includes an antenna element (101) and an electric conductor plate (102) provided so as to face the antenna element (101). The antenna element (101) and the electric conductor plate (102) are short-circuited by a short-circuit section (104). The antenna element (101) is connected with both of external and internal electric conductors (122) and (123) constituting a feed line (121).

Abstract: An antenna for a cylindrical body may include a flexible substrate with the antenna on it with a first terminal and a second terminal electrically connected to an integrated circuit, the flexible substrate coupled to the cylindrical body.

Abstract: An antenna structure comprising a substrate and an antenna is provided. The substrate comprises an upper surface and an under surface. The antenna comprises a first metal pattern and a second metal pattern. The first metal pattern is disposed on the upper surface. The first metal pattern comprises a feeding portion and a transmission line connected to the feeding portion. The second metal pattern is disposed on the under surface, and comprises a first parasitic grounding arm, a second parasitic grounding arm, a connecting arm, a grounding plane and a grounding strip. The connecting arm has a parasitic slot, and connects the first parasitic grounding arm and the second parasitic grounding arm. The grounding strip connects the connecting arm and the grounding plane.