Abstract: A positive electrode active material includes: a composite particle that includes a particle containing a lithium transition metal composite oxide of Li and Co and a layer that is provided on a surface of the particle and includes an oxide of Li, Ni and Mn. Ni and Mn have a concentration distribution centered on the center from a surface of the composite particle, in a depth range in which a ratio d (%) satisfies 0.04%?d?0.20%, a mole fraction rn of Ni and a mole fraction rm of Mn are within ranges of 0.05?rn and 0.05?rm, respectively, and a ratio rn2/rn1 and a ratio rm2/rm1 are within ranges of 0.85?rn2/rn1?1.0 and 0.85?rm2/rm1?1.0, respectively.

Abstract: Provided is an aluminum secondary battery comprising an anode, a cathode, a porous separator electronically separating the anode and the cathode, and an electrolyte in ionic contact with the anode and the cathode to support reversible deposition and dissolution of aluminum at the anode, wherein the anode contains aluminum metal or an aluminum metal alloy as an anode active material and the cathode comprises a layer of recompressed exfoliated graphite or carbon material that is oriented in such a manner that the layer has a graphite edge plane in direct contact with the electrolyte and facing the separator. Typically, this graphite edge plane is substantially parallel to the separator layer plane. Such an aluminum battery delivers a high energy density, high power density, and long cycle life.

Abstract: The present disclosure is directed to preventing generation of side reactions at a negative electrode, inhibiting an increase in resistance, and improving productivity. An electrode assembly is provided including: a negative electrode including a negative electrode current collector having a negative electrode tab at one end, and a negative electrode active material layer formed on a surface thereof; a positive electrode including a positive electrode current collector having a positive electrode tab at one end, and a positive electrode active material layer formed on a surface thereof; and a separator interposed between the positive and negative electrodes, and including a coating layer containing a conductive material and a polymer binder on the top surface of the negative electrode active material layer, wherein the coating layer is spaced apart from the top end, where the negative electrode tab is formed, and the bottom end by a predetermined distance.

Abstract: Disclosed herein are an electrode assembly including a plurality of unit cells arranged in a height direction on the basis of a plane, at least two of the unit cells having different planar sizes, and a space portion defined by the difference in planar size between the arranged unit cells, wherein each of the unit cells includes at least one electrode plate, electrode tabs protruding from the electrode plates of the unit cells are electrically connected to an electrode lead via a tab-lead coupling part, and the tab-lead coupling part is located in the space portion, and a battery cell including the same.

Abstract: The present disclosure provides a secondary battery and a battery module. The secondary battery includes: a shell having an opening; an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a cap assembly including a cap plate and a first electrode terminal; a lower insulator located at a side of the cap plate away from the terminal board; and a wiring board including a main body portion and an extension portion, wherein the main body portion is located at a side of the lower insulator away from the cap plate and connected to the first electrode plate, the extension portion extends into the electrode lead-out hole and connected to the first electrode terminal, the first electrode plate is electrically connected to the first electrode terminal through the wiring board, and the first electrode terminal does not extend beyond a lower surface of the lower insulator.

Abstract: The present invention provides a redox flow battery comprising a positive electrolyte storage tank and a negative electrolyte storage tank, wherein the positive electrolyte storage tank and the negative electrolyte storage tank is kept to be in liquid communication through a pipe, wherein the length-to-diameter ratio of the pipe for the liquid communication is not less than about 10. The present invention also provides a method for operating the redox flow battery continuously in a long period of time.

Abstract: In a fuel cell system, each of an inlet sealing valve and an outlet integration valve is provided with a valve seat including a valve hole and a seat surface formed on a circumferential edge of the valve hole, a valve element formed, on its outer periphery, with a seal surface corresponding to the seat surface, and a motor to move the valve element away from the valve seat upon receipt of electric power supplied from outside. The valve seat is provided with a seal member to seal between the valve element and the valve seat during non-operation of the motor. In an inlet-side bypass passage connected to an air supply passage by detouring around the inlet sealing valve, there are arranged an inlet-side bypass passage and an inlet bypass valve.

Abstract: The invention relates to a cooling plate (10) for battery cells (40), wherein the cooling plate (10) is in the form of a mounting plate and has mounting elements (12) for directly mounting the cooling plate (10) into a motor vehicle. It is further necessary for the cooling plate (10) together with a housing (20), in particular a half-shell housing, to form a closed-off space (30) for accommodating battery cells (40). The invention further relates to battery cells (40), to a battery cell module and also to a motor vehicle having a battery cell module of this kind.

Abstract: A temperature control apparatus for the temperature control of an electrical power supply unit may include a cooling device, at least one heating device, and a heat transfer component. The heat transfer component may provide a thermal coupling for the cooling device and the at least one heating device. The cooling device, the at least one heating device, and the heat transfer component may be thermally coupled to each other and stacked one on top of the other in a stacking direction. The cooling device may include at least one fluid path through which a fluid is flowable. The at least one heating device may include at least one electrical heating element arranged between an electrically conductive first contact plate and an electrically conductive second contact plate. The heat transfer component may also include a first side that faces the first contact plate and includes at least one recess.

Abstract: A zinc-air battery includes an air electrode part, a separator and a negative electrode part in sequence within a case, wherein the negative electrode part comprises potassium hydroxide (KOH) in the form of powder, and the case has an opening part formed in at least one region thereof, with the opening part being covered by a porous membrane.

Abstract: A method for establishing an electric contact between an electric energy storage cell and an electrically conductive conductor plate structure, The electric energy storage cell is contacted via at least one electrically conductive conductor wire with the conductor plate structure. At least one electrically conductive conductor wire is connected to create electric contact of the electric energy storage cell with the electrically conductive conductor plate structure at a surface of the electrically conductive conductor plate structure facing an electrically conductive storage cell.

Abstract: Provided is a battery-equipped device including a substrate, a device disposed on the substrate, an all-solid-state battery disposed such that the planar shape conforms to the periphery of the device on the substrate and at least partially having a complementary outer edge shape that conforms to the entire or a part of the outer edge shape of the device, and interconnections connecting the device and the all-solid-state battery. The all-solid-state battery includes a positive electrode layer containing an oriented polycrystalline positive-electrode active material composed of lithium transition metal oxide particles oriented in a certain direction, a solid electrolyte layer composed of a lithium-ion conductive material, and a negative electrode layer containing a negative-electrode active material. The present invention can provide a battery-equipped device that can significantly increase the degree of freedom of design and can output necessary electric power in a minimum space.

Abstract: An apparatus comprising: a module; a substrate; and electrolyte between the module and the substrate, wherein an electronic component is formed between the module and the substrate and wherein the electrolyte is configured to function as the electrolyte in the electronic component and also as the adhesive to attach the module to the substrate.

Abstract: Provided is conductive carbon that gives an electrical storage device having a high energy density. This conductive carbon includes a hydrophilic part, and the contained amount of the hydrophilic part is 10 mass % or more of the entire conductive carbon. When performing a rolling treatment on an active material layer including an active material particle and this conductive carbon formed on a current collector during manufacture of an electrode of an electric storage device, the pressure resulting from the rolling treatment causes this conductive carbon to spread in a paste-like form and increase in density. The active material particles approach each other, and the conductive carbon is pressed into gaps formed between adjacent active material particles, filling the gaps. As a result, the amount of active material per unit volume in the electrode obtained after the rolling treatment increases, and the electrode density increases.

Abstract: A load-following fuel cell system for a grid system operating with a high penetration of intermittent renewable energy sources includes a baseload power generation module and a load-following power generation module. The baseload power generation module provides a baseload power to the grid system and includes a high-efficiency fuel cell system. The high-efficiency fuel cell system includes a topping module and a bottoming module. The topping module and the bottoming module are connected in series and the topping module provides an exhaust stream to the bottoming module. The load-following power generation module provides a load-following power to the grid system and includes an energy storage system that separates and stores hydrogen contained in the exhaust stream and a power generation system having one or more fuel cells. The power generation system receives the hydrogen from the energy storage system to provide the load-following power.

Abstract: A fuel cell system including: a solid oxide type fuel cell that is supplied with an anode gas and a cathode gas to generate an electric power; a fuel tank that stores a water-containing fuel containing water; a fuel supply passage that couples the fuel cell to the fuel tank; a reformer disposed on the fuel supply passage, the reformer reforming the water-containing fuel into the anode gas; a separator disposed on the fuel supply passage in an upstream side with respect to the reformer, the separator separating the water contained in the water-containing fuel; a detector disposed in the upstream side with respect to the reformer, the detector detecting or estimating a moisture content contained in the water-containing fuel; and a control unit that controls the separator. The control unit controls the separator on the basis of the moisture content detected or estimated by the detector.

Abstract: The present invention relates to a sealing apparatus sealing a sealing part of a battery case at which an electrode lead coupled to an electrode assembly is disposed. The sealing apparatus comprises: a thermal fusion member applying heat and a pressure to the sealing part of the battery case, at which the electrode lead is disposed, to seal the sealing part; and a temperature rising prevention member supported on a front end of the electrode lead to cool the sealing part through the electrode lead, thereby preventing the sealing part from increasing in temperature.

Abstract: Provided is an electricity storage module including an electricity storage element group composed of multiple electricity storage elements having exhaust ports that discharge gas produced therein, and a cover attached to the electricity storage element group, wherein the electricity storage element group has exhaust surfaces on which the exhaust ports are arranged, and the cover is attached so as to cover the exhaust surfaces, guide walls that surround the exhaust ports in the form of loops are formed in the respective electricity storage elements, guide ribs that come into close contact with the guide portions and fit therein are formed on an opposing surface of the cover that opposes the exhaust surfaces, and the cover is provided with a duct that communicates with the exhaust ports and through which gas discharged from the exhaust ports passes.

Abstract: A manganese nickel composite hydroxide which serves as a starting material for positive electrode active materials for secondary batteries, and the secondary battery having low resistance and high output characteristics. A manganese nickel composite hydroxide according to the present invention is represented by general formula (A) Mn1?x?yNixMy(OH)2+?(wherein 0?×?0.27, 0?y?0.05, 0???0.5, and M represents at least one element selected from among Mg, Al, Ca, Ba, Sr, Ti, V, Fe, Cr, Co, Cu, Zr, Nb, Mo and W), and has an SO4 content of 0.90% by weight or less, an Na content of 0.04% by weight or less, a BET specific surface area of from 40 m2/g to 70 m2/g (inclusive), and a value obtained by [(d90-d10)/(average particle diameter)] of 0.90 or less, said value being an index indicating the expanse of the particle size distribution.

Abstract: An insulating molding (1) for a housing of at least one battery cell is disclosed, specifically for a housing of at least one lithium-ion battery cell, wherein, on at least one molding sidewall (3a, 3b) of the insulating molding (1), a depression (5) is configured, which is constituted by means of a reduced wall thickness, in order to reduce the force acting on the battery cell.