Abstract: The present invention relates to a method of preparing a porous silicon-based negative electrode active material comprising: mixing a porous silica (SiO2) and an aluminum powder; oxidizing all or part of the aluminum powder as an aluminum oxide while at the same time reducing all or part of the porous silica as a porous silicon (Si) by heat-treating a mixture of the porous silica with the aluminum powder, a negative electrode active material, and a rechargeable lithium battery including the same.

Abstract: A high-voltage accumulator battery module includes a first connection component adjacent to a plate-shaped frame component remotely from a heat sink. The first connection component includes at least one of: an inlet first connection unit having a fluid inlet connected to a cooling channel system via an inlet fluid line connecting the fluid inlet to an inlet second connection unit connected to the cooling channel system, and an outlet first connection unit having a fluid outlet connected to the cooling channel system via an outlet fluid line connecting the fluid outlet to an outlet second connection unit connected to the cooling channel system. A second connection component is adjacent to the plate-shaped frame component at the heat sink side, and includes at least one of: the inlet second connection unit, and the outlet second connection unit. A clamping device clamps the first and second connection components against each other.

Abstract: The present invention relates to a flat plate type cooling plate for a secondary battery, which includes a plurality of cooling parts spaced apart from each other in a longitudinal direction within the cooling plate and a plurality of reinforcement ribs disposed on inner surfaces of the cooling parts. The cooling plate for the secondary battery according to the present invention may be minimized in deformation due to an external impact and stimulation when the cell module is penetrated and thus reduce an influence on unit cells due to the deformation of the cooling plate to suppress an occurrence of short-circuit in the unit cells of the cell module, thereby improving safety of the battery. Also, heat generated during charging and discharging may be effectively released to prevent the battery from being deteriorated in capacity characteristic and improve lifespan characteristics of the battery and reliability of battery performance.

Abstract: A fuel cell system for an aircraft includes at least one fuel cell having a first inlet for providing a fuel, a second inlet for providing an oxidant, an outlet for removing exhaust air and a voltage outlet, an electrically operable hydraulic pump, which is integratable into a hydraulics network of the aircraft and connectable to the voltage outlet of the at least one fuel cell and a controllable hydraulic energy converter with changeable operating behaviour. The hydraulic energy converter is adapted for generating such a power demand in the hydraulics network, that the at least one fuel cell provides a predetermined volume flow of oxygen depleted air at the outlet through delivering electrical power to the hydraulic pump.

Abstract: A modular fuel cell system includes a base, at least four power modules arranged in a row on the base, and a fuel processing module and power conditioning module arranged on at least one end of the row on the base. Each power module includes a separate cabinet which contains at least one fuel cell stack located in a hot box. The power modules are electrically and fluidly connected to the at least one fuel processing and power conditioning modules through the base.

Abstract: A fuel cell system includes: a solid oxide fuel cell generating power by using, as fuel, air supplied to a cathode and hydrogen-containing gas supplied to an anode; a combustor generating a combustion exhaust gas by combusting anode-off gas and cathode-off gas discharged from the anode and the cathode, respectively; a reformer steam-reforming a material to generate the hydrogen-containing gas supplied to the anode; a first temperature detector detecting temperatures of the combustion exhaust gas and/or the combustor; and a controller performing, if a temperature detected by the first temperature detector is lower than a preset first threshold while the combustor is forming flame, at least one of operations of: increasing a ratio of air consumed to the air supplied in the cathode; decreasing a ratio of hydrogen-containing gas consumed to the hydrogen-containing gas supplied in the anode; and decreasing an amount of water supplied to the reformer.

Abstract: A system for measuring a stack cell voltage of a fuel cell according to the present invention comprises: a stack voltage measuring unit which measures a stack voltage of a stack cell battery for each channel; a correction variable calculating unit which calculates a correction variable by using the stack voltage value measured by the stack voltage measuring unit; and a stack voltage value correcting unit which corrects the stack voltage measured by the stack voltage measuring unit on driving by using the correction variable.

Abstract: A positive active material for a rechargeable lithium battery includes a compound represented by Chemical Formula 1, LiaNixCoyMezM1kM2pO2 wherein, 0.9?a?1.1, 0.7?x?0.93, 0<y?0.3, 0<z?0.3, 0.001?k?0.006, 0.001?p?0.005, x+y+z+k+p=1, Me is Mn or Al, M1 is a divalent element, and M2 is a tetravalent element.

Abstract: A solid oxide fuel cell (SOFC) stack including a plurality of SOFCs and a plurality of interconnects. Each interconnect is located between two adjacent SOFCs, and each interconnect contains a Mn or Co containing, electrically conductive metal oxide layer on an air side of the interconnect. The SOFC stack also includes a barrier layer located between the electrically conductive metal oxide layer and an adjacent SOFC. The barrier layer is configured to prevent Mn or Co diffusion from the electrically conductive metal oxide layer to the adjacent SOFC.

Abstract: The present disclosure provides a cap assembly for a secondary battery and a secondary battery. The cap assembly includes a cap plate, a fixing member, a connecting member and an electrode terminal, wherein the cap plate has an electrode lead-out hole; the fixing member is fixed to the cap plate through the connecting member and provided with a weakened portion that is close to a center line of the cap plate in a width direction of the cap plate; and the electrode terminal includes a terminal board, wherein the terminal board has an outer peripheral surface at least partially surrounded by the fixing member so that the electrode terminal is fixed to the fixing member, and the terminal board is provided on a side of the cap plate and covers the electrode lead-out hole.

Abstract: An electric storage device according to the present invention includes: an electrode assembly including positive and negative electrode plates that are insulated from each other, at least one of the electrode plates having an active material layer formed part and an active material layer non-formed part; positive and negative current collectors; and a metal material abutted against the active material layer non-formed part, wherein the metal material includes a curled part in which an edge of the metal material is curved in a direction away from the active material layer non-formed part, and the active material layer non-formed part, each of the current collectors, and the metal material are integrally coupled.

Abstract: The disclosed embodiments provide a battery cell. The battery cell includes an anode containing an anode current collector and an anode active material disposed over the anode current collector. The battery cell also includes a cathode containing a cathode current collector and a cathode active material disposed over the cathode current collector. The cathode active material has a composition represented by xLi2MO3·(1-x)LiCoyM?(1-y)O2.

Abstract: A solid ceramic electrolyte may include an ion-conducting ceramic and at least one grain growth inhibitor. The ion-conducting ceramic may be a lithium metal phosphate or a derivative thereof. The grain growth inhibitor may be magnesia, titania, or both. The solid ceramic electrolyte may have an average grain size of less than about 2 microns. The grain growth inhibitor may be between about 0.5 mol. % to about 10 mol. % of the solid ceramic electrolyte.

Abstract: Active materials for anodes for lithium ion devices are disclosed. An active may comprise germanium nano-particles having a particle size of 20 to 100 nm, wherein the weight percentage of the germanium is between 72 to 96 weight % of the total weight of the active material; boron carbide nano-particles having a particle size of 20 to 100 nm, wherein the weight percentage of boron in the active material is between 3 to 6 weight % of the total weight of the active material; and tungsten carbide nano-particles having a particle size of 20 to 60 nm, wherein the weight percentage of tungsten in the active material is between 6 to 25 weight % of the total weight of the active material.

Abstract: Several embodiments related to batteries having electrodes with nanostructures, compositions of such nanostructures, and associated methods of making such electrodes are disclosed herein. In one embodiment, a method for producing an anode suitable for a lithium-ion battery comprising preparing a surface of a substrate material and forming a plurality of conductive nanostructures on the surface of the substrate material via electrodeposition without using a template.

Abstract: A battery module (19) having a number of electrically interconnected battery cells (10), wherein the individual battery cells (10) are temperature-controlled by means of a temperature control fluid (70). Between the battery cells (10), there extends a duct system (30, 62, 66, 68) through which the temperature control fluid (70) flows. The duct system (30, 62, 66, 68) is separated completely from a degassing system (16, 54) of the battery cells (10).

Abstract: The present disclosure relates to an electrocatalyst for oxygen reduction including a silver/silver halide composite, a fuel cell including the electrocatalyst for oxygen reduction, and a method for preparing the electrocatalyst for oxygen reduction.

Abstract: A system and method for increasing the operating time of electronic devices, such as a point of view camera, are provided. The system includes a connector block sized to be received within a battery chamber of an electronic device. A battery pack is then attached to the connector block for providing power to the electronic device. The battery pack includes an outer battery housing, one or more batteries and an inner battery housing. The outer battery housing includes a cavity adapted to receive the one or more batteries. The opening of the cavity is sized to receive the inner battery housing and retain the inner battery housing with a friction fit, thereby retaining the outer battery housing and the inner battery housing together. When the battery pack is attached to a front housing portion of an electronic device housing, power is provided to the electronic device via the connector block.

Abstract: Lithium ion devices that include an anode, a cathode and an electrolyte are provided. The anode having an active material including germanium nano-particles, boron carbide nano-particles and tungsten carbide nano-particles, wherein the weight percentage of the germanium is between 5 to 80 weight % of the total weight of the anode material, the weight percentage of boron in the anode material is between 2 to 20 weight % of the total weight of the anode material and the weight percentage of tungsten in the anode material is between 5 to 20 weight % of the total weight of the anode materials.

Abstract: Systems and methods are disclosing providing for a fuel cell (“FC”) stack assembly utilizing bus bars that accommodate for variations in FC stack heights during assembly. In some embodiments, bus bars consistent with embodiments disclosed herein may be integrally formed with terminal plates out of a single piece of conductive material. Further embodiments of the bus bars disclosed herein may include structures configured to facilitating cooling of the bus bars during operation of the FC system.