Abstract: A reaction chamber arrangement is provided, the reaction chamber arrangement including a first chemical reaction chamber; a second chemical reaction chamber; an isolation member between the first chemical reaction chamber and the second chemical reaction chamber, wherein a first electrode is mounted on a first side of the isolation member, an exposed surface of the first electrode facing into the first chemical reaction chamber and wherein a second electrode is mounted on a second side of the isolation member, an exposed surface of the second electrode facing into the second chemical reaction chamber; and an electronic component configured to measure or control at least one of the first chemical reaction chamber and the second chemical reaction chamber, wherein the electronic component is arranged between and connected to the first electrode and the second electrode, and at least partially surrounded by an isolation material of the isolation member.

Abstract: A battery assembly for use in an aircraft. The battery assembly may include a battery and a circuit configured to monitor the battery in situ. The circuit may include at least one sensor positioned to sense at least one property of the battery and a processor in communication with the sensor. The battery assembly may also include a battery housing, wherein the battery and the circuit are positioned within the battery housing. A method for evaluating a battery in an electric device. The method may include collecting operational information from the battery. The operational information may be collected without removing the battery from the electric device. The method may also include comparing the operational information to a degradation routine describing a property of the battery and calculating a capacity of the battery.

Abstract: A positive electrode active material for a nonaqueous electrolyte secondary battery includes a positive electrode active material particle and a compound containing a rare earth element and a carbonate, the compound having a particle size of 1 to 100 nm and being adhered to a surface of the positive electrode active material particle. The ratio of the compound relative to the positive electrode active material particle is 0.005% to 0.4% by mass on a rare earth element basis. The positive electrode active material particle is composed of a lithium transition metal oxide having a layered structure.

Abstract: A combined battery (100) comprising a plurality of flat-type cells (10A to 10F) by laminating thereof so that polarity of electrode tabs (11A to 11F and 12A to 12F) is alternately set, wherein welding parts to connect in series the flat cells themselves, to compose a set when all the flat-type cells (10A to 10F) are laminated, are separated at a plurality of positions of the combined battery, and the flat-type cells having such a structure that all the flat-type cells are electrically connected in series by welding each of the welding parts.

Abstract: A process for forming a metal supported solid oxide fuel cell, the process comprising the steps of: a) applying a green anode layer including nickel oxide, copper oxide and a rare earth-doped ceria to a metal substrate; b) firing the green anode layer to form a composite including oxides of nickel, copper, and a rare earth-doped ceria; c) providing an electrolyte; and d) providing a cathode. Metal supported solid oxide fuel cells comprising an anode a cathode and an electrolyte, wherein the anode includes nickel, copper and a rare earth-doped ceria, fuel cell stacks and uses of these fuel cells.

Abstract: The invention relates to a cooling system for a fuel cell, comprising a main heat-transfer-fluid circuit including a circulation pump (6) and a heat exchanger (8) with the exterior, which feed an upstream pipe (12) supplying the fluid to the cells (4) of the fuel cell, said fluid leaving the cells via a downstream pipe (14) in order to return to the main pump. The invention is characterized in that the main circuit comprises a three-port controlled valve (10, 16) on each upstream (12) and downstream (14) pipe, the third available port (10c) of the upstream pipe (12) being connected to the inlet of the pump (6) and the third available port (16c) of the downstream pipe (14) being connected to the outlet of the pump in order to establish a secondary fluid circuit.

Abstract: There is provided an electrode assembly having steps including: a first electrode stair including at least one first electrode unit; and a second electrode stair including at least one second electrode unit having an area different from that of the first electrode unit, wherein the first electrode stair and the second electrode stair are stacked to be adjacent, separated by at least one separator as a boundary therebetween and including one or more electrode laminates having steps formed by a difference between areas of the first electrode stair and the second electrode stair, and shapes of the corners of the first electrode stair and the second electrode stair having steps are different. There is also provided a secondary battery including the electrode assembly. Secondary batteries having various designs without restriction in shapes of corners of electrode units can be provided.

Abstract: An electrolyte including an alkali metal salt; a polar aprotic solvent; and a triazinane trione; wherein the electrolyte is substantially non-aqueous.

Abstract: A nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. At least one of the positive electrode and the negative electrode comprises a current collector made of aluminum or an aluminum alloy and an active material layer laminated on the current collector. The active material layer contains first active material particles having an average particle diameter of 1 ?m or less and a lithium diffusion coefficient of 1×10?9 cm2/sec or less at 20° C., and second active material particles having an average particle diameter of 2 to 50 ?m. A true density of the second active material particles is larger by 0.01 to 2.5 g/cm3 than a true density of the first active material particles.

Abstract: My invention relates to an improvement in the constant and extended supply of electrical power to night vision devices and the convenience of making use of a standardized, commonly available battery with higher reserve power for the same. Specifically, my invention provides an adapter that is placed into the battery compartment of an NVD, is securely fixed in that compartment so as to maintain electrical connectivity regardless of jarring forces it may endure, and contains a port into which the wire lead from an external power pack is plugged so as to provide the electrical power. The external power pack can be configured to hold the battery or batteries of choice, and can be made to attach either to the user's person or the same object that the NVD is attached to, such as a rifle.

Abstract: [Problem] To suppress increases in the resistance of nickel positive electrodes and assure sufficient battery capacity even after repeated pulse charging and discharging cycles with a large current. [Solution] This alkaline storage battery (10) contains aluminum (Al) in a hydrogen storage alloy negative electrode (12) and also includes Al in a nickel positive electrode (11). In a state where a prescribed charging and discharging cycle has completed, the Al content in the nickel positive electrode (11) is 0.25% by mass or greater of that in the positive electrode active material, and in powder x-ray diffraction of the positive electrode active material using Cu—K?, the half-width of the (101) plane peak for Ni(OH)2 is controlled so as to be 0.5 (°/2?) or greater.

Abstract: A battery pack for a vehicle may include a cell array defining an upper surface and a housing defining a raised portion extending along and above a length of the array such that the raised portion and upper surface define a vent manifold therebetween which may be configured to collect gases generated by the array. The housing may define a discharge opening configured to allow gases to exit the manifold. A pair of end plates may be disposed at opposing ends of the array. One of the end plates may define a pass through portion in at least partial registration with the discharge opening. An outlet tube may be configured to facilitate fluid communication between the vent manifold and exterior of the vehicle. The battery pack may also include spacers located between upper edges of adjacent cells and may be configured to prevent cooling gases from entering the vent manifold.

Abstract: Battery parts, such as battery terminals, and associated systems and methods for making same. In one embodiment, a battery part has a sealing region or sealing bead located on a lateral face of an acid ring for increasing resistance to leakage therepast as the battery container shrinks. Another embodiment includes a forming assembly for use with, for example, a battery part having a bifurcated acid ring with spaced apart lips. The forming assembly can include movable forming members that can be driven together to peen, crimp, flare or otherwise form the lips on the bifurcated acid ring.

Abstract: A nanostructured anode of solid oxide fuel cell with high stability and high efficiency and a method for manufacturing the same are revealed. This anode comprising a porous permeable metal substrate, a diffusion barrier layer and a nano-composite film is formed by atmospheric plasma spray. The nano-composite film includes a plurality of metal nanoparticles, a plurality of metal oxide nanoparticles, and a plurality of gas pores that are connected to form nano gas channels. The metal nanoparticles are connected to form a 3-dimensional network that conducts electrons, while the metal oxide nanoparticles are connected to form a 3-dimensional network that conducts oxygen ions. The network formed by metal oxide nanoparticles has certain strength to separate metal nanoparticles and prevent aggregation or agglomeration of the metal nanoparticles. Thus this anode can be applied to a solid oxide fuel cell operating in the intermediate temperatures (600˜800° C.) with high stability and high efficiency.

Abstract: A battery pack of the type that may be used in an electrically-powered vehicle comprises first and second arrays of cells disposed adjacent one another, and a housing enclosing the two arrays. The housing defines a cooling chamber surrounding heat transfer surfaces of the cells, a first manifold sealed from the cooling chamber and collecting gasses generated by the first array, and a second manifold sealed from the cooling chamber and collecting gasses generated by the second array. A tunnel connects the first and the second manifolds to allow passage of any collected gasses from the first manifold into the second manifold, and a discharge opening in the second manifold allows the collected gasses to escape from the housing. An electrically conductive bridge bar extends through the tunnel and connects the first array with the second array.

Abstract: A battery pack 10 has a built-in cooling fan to suction outside air through an air cleaner 16 and an air suction port. The battery pack 10 has a combination of the air suction port and a service plug 25 and a combination of the air cleaner 16 and a 12V terminal set 23 arranged at an upside. The air suction port and the service plug 25 are arrayed along a longer side of the battery pack 10, the air cleaner 16, a filter member in the air cleaner 16, and the 12V terminal set 23 being arrayed parallel thereto.

Abstract: A method of operating a high temperature fuel cell system containing a plurality of fuel cell stacks includes operating one or more of the plurality of fuel cell stacks at a first output power while operating another one or more of the plurality of the fuel cell stacks at a second output power different from the first output power.

Abstract: Redox flow devices are described including a positive electrode current collector, a negative electrode current collector, and an ion-permeable membrane separating said positive and negative current collectors, positioned and arranged to define a positive electroactive zone and a negative electroactive zone; wherein at least one of said positive and negative electroactive zone comprises a flowable semi-solid composition comprising ion storage compound particles capable of taking up or releasing said ions during operation of the cell, and wherein the ion storage compound particles have a polydisperse size distribution in which the finest particles present in at least 5 vol % of the total volume, is at least a factor of 5 smaller than the largest particles present in at least 5 vol % of the total volume.

Abstract: To provide a lithium ion conductive inorganic substance that makes it possible to further enhance the charge-discharge voltage of batteries and to further improve the charge-discharge properties of batteries. The lithium ion conductive inorganic substance includes a ZrO2 component from 2.6% to 52.0% by mass on an oxide basis. The lithium ion conductive inorganic substance is preferably used for lithium ion secondary batteries that have a positive electrode layer, a negative electrode layer, and a solid electrolyte layer intervening between the positive electrode layer and the negative electrode layer.

Abstract: A fuel cell stack assembly includes a fuel cell stack wherein a plurality of fuel cell cassettes is coupled together by a joining material. A spring strap is coupled to the fuel cell stack in a manner effective to apply a first compressive force to the fuel cell stack. A first load distribution plate is located intermediate the fuel cell stack and the spring strap. The first load distribution plate is configured to distribute the first compressive force over the fuel cell stack in a manner effective to normalize the first compressive force on the joining material. A diaphragm is configured to define a cavity and is configured to apply a second compressive force to the fuel cell stack dependent on a cavity pressure of oxidant within the cavity. The cavity pressure is dependent upon an oxidant pressure of oxidant provided to the fuel cell stack.