Abstract: A battery pack comprises a set of battery cells, a battery cell holder holding the battery cells, at least one battery strap having a first end connected to a terminal of one of the battery cells and a second end extending from the battery cell holder, a printed circuit board having a first side and a second side, components mounted on the second side of the printed circuit board, a trace on the second side of the printed circuit board extending from one components to a contact connected to the trace and mated with the second end of the at least one battery strap.

Abstract: The present invention relates to a battery pack system. In the battery pack system including a multi-battery according to the present invention, replacement may be easily performed in a lower unit of the battery pack system, the battery pack system including a multi-battery may include the battery modules having various forms and performances and capable of being arranged so as to increase space efficiency of the battery pack system, the battery pack system including a multi-battery includes the battery modules having various forms and performances, such that an energy density of the battery pack system may be improved, and the battery pack system including a multi-battery may allow battery modules having various performances and outputs to maintain states of charge (SOCs) (%) in a uniform ratio by estimating the SOCs of the respective battery modules and re-scaling the SOCs according to a capacity criterion of a control unit.

Abstract: Embodiments described herein relate to methods for preparing catalysts and catalyst supports. In one embodiment, transition metal carbide materials, having a nanotube like morphology, are utilized as a support for a precious metal catalyst, such as platinum. Embodiments described herein also relate to proton exchange membrane fuel cells that incorporate the catalysts described herein.

Abstract: A vehicle battery pack includes: a battery; a radiator; a passage via which the battery is connected to the radiator; a pump configured to circulate coolant between the battery and the radiator through the passage; and a case in which the battery, the radiator, the passage, and the pump are accommodated, the case having an intake opening and a discharge opening for external air.

Abstract: Disclosed are a catalyst complex and a method of manufacturing the same. The catalyst complex may be manufactured by uniformly depositing metal catalyst particles on pretreated support particles through an atomic layer deposition process using a fluidized-bed reactor, which may be then uniformly dispersed throughout the ionomer solution. As such, manufacturing costs may be reduced due to the use of a small amount of metal catalyst particles and the durability of an electrolyte membrane and OCV may increase. Further disclosed are a method of manufacturing the catalyst complex, an electrolyte membrane including the catalyst complex, and a method of manufacturing the electrolyte membrane.

Abstract: The present invention discloses wireless handheld device.

Abstract: A metal-air battery includes an anode; a low-dimensional catalyst cathode; and an electrolyte; wherein: the low-dimensional catalyst cathode comprises a functional metal layer on a carbon support overcoated with a catalyst layer; the electrolyte comprises an aprotic solvent that is an ether-based solvent, a fluorinated ether-based solvent, an oligo (ethylene oxide) solvent, or a mixture of any two or more thereof; and the electrolyte is free of carbonate solvents.

Abstract: A negative electrode for a lithium secondary battery, in which a LiF layer comprising amorphous LiF in an amount of 30 mol % or more is formed on a negative electrode active material layer comprising a carbon-based active material, a lithium secondary battery comprising the same, and a preparation method thereof.

Abstract: A slurry composition for coating a secondary battery separator, a separator prepared using the same, and a secondary battery including the separator, wherein the slurry composition includes a phenolic compound including two or more aromatic rings, inorganic particles, a binder, and a solvent.

Abstract: A detection method and a detection device for branch states of a battery system are provided. A current on/off state of each branch is judged according to a first open circuit voltage of the corresponding branch and a second open circuit voltage corresponding to the battery system. Time for detecting and diagnosing each branch state can be reduced. It solves that the problem of longer time consumption and large error caused by the determination of the status of each branch through the change of the voltage of each branch in the prior art. A detection efficiency of branch states and an accuracy of detection results of branch states are both improved. The detection method is simple and quick to operate, and will not cause the complexity to increase rapidly as the number of branches increases. The detection method has good feasibility and practicability, and has a wide range of applications.

Abstract: A packaging material for a power storage device, comprising at least: a substrate layer; a metallic foil layer with an anti-corrosion treatment layer being disposed on one face or both faces thereof; and a sealant layer in this order, wherein the sealant layer includes a polypropylene-based resin (A) and 1 to 40% by mass of incompatible component (B), and maximum seal strength SM in an adhered portion resulting from adhesion by heat-sealing the packaging material is 35 N/15 mm or more, and in addition, the packaging material for a power storage device satisfies the following requirements (1) or (2): (1) a ratio SS/SM of seal strength SS to maximum seal strength SM in a stable range is 0.3 or more; (2) a ratio SA/SM of average seal strength SA to maximum seal strength SM is 0.3 or more.

Abstract: An electric energy supply system having at least one cell element, which contains at least one galvanic cell, and having a measuring circuit, which is configured to ascertain at least one parameter of the at least one cell element by electrochemical impedance spectroscopy (EIS). The disclosure provides that the energy supply system comprises an electrochemical gas sensor and the gas sensor is connected to the measuring circuit via a toggle switch, wherein the measuring circuit is configured to apply an electric variable as the excitation variable in the gas sensor and to detect another electric variable as the measured variable at the gas sensor and to ascertain a gas concentration in the surroundings of the gas sensor.

Abstract: A cell device including a cell module and at least one temperature adjusting module is provided. The temperature adjusting modules are configured on the cell module in a heat conduction manner. Each of the temperature adjusting modules includes a thermoelectric cooling chip. The thermoelectric cooling chip has a first surface and a second surface opposite to each other. The thermoelectric cooling chip is configured to receive a first electric signal to heat the first surface and cool the second surface. The thermoelectric cooling chip is configured to receive a second electric signal to cool the first surface and heat the second surface. A vehicle including the cell device is also provided. The cell device of the disclosure is capable of implementing active temperature control and has good temperature control effect. The vehicle of the disclosure is capable of implementing active temperature control, and has a wider usage environment temperature.

Abstract: The invention relates to an electrically and thermally connecting device (3) for batteries and pieces of electrical distribution equipment of an aircraft, comprising a casing (5) containing a plurality of bare under-voltage parts (7), said connecting device (3) being intended to make contact with a portion of the casing (5) and at least one bare under-voltage part (7), said connecting device (3) furthermore comprising: at least one base (11) that is made from a thermally conductive material and that is intended to be fastened to the portion of the casing (5); at least one head (13) that comprises a springback connector and that is intended to make contact with the bare under-voltage parts (7) and the portion of the casing (5); and an intermediate element (15) that is intended to electrically connect the bare parts (7), said element (15) being clamped between a base (11) and a head (13). The invention also relates to a battery and to a piece of electrical distribution equipment for an aircraft.

Abstract: Vehicles can employ onboard telematic monitoring devices to collect vehicle and operation data, such as for improved vehicle fleet management. Such telematic monitoring devices are dependent on power from a vehicle, such that data collection and communication can be interrupted if a telematic monitoring device is disconnected or has a poor connection. The present disclosure relates to battery devices, which provide power to telematic monitoring devices as needed in order to maintain data collection and communication, or other more limited functionality. The present disclosure also relates to systems including battery devices, and methods for operating battery devices. The present disclosure also relates to detecting temperature of batteries, as well as emergency input and messages for telematic monitoring systems.

Abstract: A fuel cell system includes a fuel cell stack of a plurality of power generation cells and an impedance measuring device for measuring the impedance in the fuel cell stack. When stopping the operation of the fuel cell system, a method for stopping the operation of the fuel cell system operates the plurality of power generation cells to generate electric power, until the impedance value becomes equal to or greater than an objective impedance value. After the impedance value has become equal to or greater than the objective impedance value, the operation stopping method still continues the power generation of the multiple power generation cells for a given period of time.

Abstract: The presently disclosed subject matter relates generally to a highly ionically conductive solid electrolyte membrane and to batteries comprising such solid electrolyte membrane.

Abstract: According to one embodiment, an electrode is provided. The electrode includes an active material-containing layer. The active material-containing layer contains an active material and a flat plate-shaped silicate.

Abstract: A method for manufacturing an electricity-storage module includes: preparing a stacked body and first sealing portions; processing an extension portion of one or more first sealing portions included in an outer edge portion in a stacking direction of the stacked body so that an extension portion length of the one or more of first sealing portions becomes shorter than a length of the extension portions of the first sealing portions which are not included in the outer edge portion; and forming a second sealing portion that is provided at the periphery of the first sealing portions when viewed from the stacking direction and covers at least parts of outer surfaces of the first sealing portions located at stacking ends of the stacked body in the stacking direction by injection molding in which a resin material is caused to circulate in a mold frame.

Abstract: A rechargeable metal halide battery with an optimized active cathode electrolyte solution has high energy density and does not require charging following fabrication. The optimized active cathode electrolyte solution includes (i) a mixture of a metal halide and its corresponding halogen dissolved in an organic solvent at a concentration ratio greater than 0.5 and (ii) an oxidizing gas. The organic solvent is a nitrile-based compound and/or a heterocyclic compound. Glyme may be added to the organic solvent to improve battery performance.