Abstract: Disclosed is a battery pack that can secure the mounting space of a circuit device in a circuit module, can simplify the assembling process of a bare cell and a circuit module, and can miniaturize the battery by lowering the height between the bare cell and the circuit module. The battery pack includes: a bare cell having a protruding electrode terminal insulated from the top surface thereof; a circuit module disposed on the bare cell and electrically connected to the bare cell, the circuit module having an insert hole or an insert recess formed in a region corresponding to the electrode terminal; a first lead plate coupled to the electrode terminal and inserted into the insert hole or the insert recess; and a second lead plate coupled to one side of the circuit module and extending to be connected to the top surface of the bare cell.

Abstract: Disclosed is a secondary battery that enhances the coupling strength between a protection circuit module and a bare cell. The secondary battery includes: a bare cell; and a protection circuit module including a circuit board and at least one coupling member coupling the circuit board to the bare cell by welding, the coupling member including a first coupling portion having a substantially plate-like shape coupled to the bare cell by welding and at least a through-hole formed inside the edge of the first coupling portion.

Abstract: According to one aspect, a mobile electronic device having a fuel cell configured to receive fuel and generate therefrom electrical power for the mobile electronic device, a fuel tank adapted to store fuel and provide fuel to the fuel cell, and a solid-state battery configured to provide power to the mobile device. The solid-state battery is sized and shaped to at least partially surround at least one of the fuel cell and the fuel tank.

Abstract: A battery system includes a battery module that has a plurality of batteries which are provided with release portions each for releasing internal gas when an internal pressure is increased, and an exhaust portion which is provided with an opening portion and guides gas released from the release portions to the opening portion, a non-resettable switch element which is provided at a position where the guided gas passes in a vicinity of the opening portion, and is changed from a first state preset as one of an opened state and a closed state into a second state as the other one of the opened state and the closed state when a preset reference temperature or higher is reached, and a high-temperature abnormality determination unit which determines that the battery module has an abnormality when the switch element is in the second state.

Abstract: A safety current interrupter device for a rechargeable cell is provided comprising a deformable material (2) adapted to deform when the temperature reaches a threshold value, a deformable membrane (3) adapted to deform under the effect of pressure and/or deformation of the deformable material (2), and an electrically conductive link member (4), adapted to break as a result of the deformation of the deformable membrane (3).

Abstract: An electricity storage module according to the present invention includes: a battery case that includes a cooling medium intake port, a cooling medium outlet port, and a cooling flow passage through which a plurality of battery cells housed therein in a parallel array pattern are cooled; and a duct detachably mounted at the cooling medium intake port of the battery case.

Abstract: Provided is an electric storage battery including a jelly roll type electrode assembly having a mandrel. The mandrel includes a positive portion, a negative portion and a removable portion. In some embodiments, the mandrel is planar having two faces with a groove on each of the positive and negative portions. The grooves can be on the same or different faces of the mandrel. The grooves are dimensioned to accommodate a positive and negative feedthrough pin. The electrodes are wrapped around the mandrel using the removable portion to wind the mandrel. Once wrapped, the removable portion can be detached. The positive portion and the negative portion are left in the electrode assembly insulated from each other. The mandrel allows tighter wrapping of the jelly roll assembly, increasing battery miniaturization and also results in electrode assemblies in which after-placement of tabs does not result in burrs or shorting.

Abstract: A drive battery assembly of an electric, fuel cell or hybrid vehicle has a plurality of battery cells (10), which are outwardly closed by their own individual cell housings (12) and are combined into a cell stack. At least one cooling fin (16) planarly abutting the cell housings (12) removes heat by way of coolant. Canals (28) for coolant are formed by the walls of the two-walled cooling fins (16) being distanced in sections.

Abstract: A rechargeable battery includes an electrode assembly having positive and negative electrodes and a separator interposed between the positive and negative electrodes, a case for receiving the electrode assembly, and a plurality of projections formed on an outer surface of the case.

Abstract: The battery comprises a can, a cap, and a seal. The cap fits into the can to build a housing with a closed interior volume, and the seal sealing cap and can in relation to one another. A porous membrane spills the interior volume into two subcells with each subcell containing one or multiple layers of electrolyte and one or multiple layer structures. The latter comprise a conducting film at least partially coated with active material and contain one or more through-holes. The layer structure is parallel to the porous membrane and the conducting film is connected to either can or cap. This construction allows for a large area of contact between active material and electrolyte and as between electrolyte and porous membrane which result in a high performance of the battery.

Abstract: The present invention relates to a rechargeable battery and, more particularly, to a rechargeable battery for preventing detachment due to deformation of a resin member by strengthening the fixing force of the resin member connecting a bare cell with a protection circuit module. The rechargeable battery according to the present invention includes a bare cell provided with a cap plate; a protection circuit module; and a resin member, wherein the rechargeable battery further includes a reinforcing member composed of a support plate part connected to one side of the cap plate and provided with a rivet through-hole; a resin fixing part integrally formed with one end of the support plate part, and bent at a certain angle in the direction of the protection circuit module and protruded therefrom; and a rivet connecting part fixing the support plate part to the cap plate by perforating the rivet through-hole.

Abstract: A nonaqueous electrolytic solution that can provide a battery that is low in gas generation, has a large capacity, and is excellent in storage characteristics and cycle characteristics. The solution contains an electrolyte, a nonaqueous solvent dissolving the electrolyte, 0.001 vol % to 5 vol % of a compound represented by Formula (1), and further contains at least one compound selected from the group consisting of cyclic carbonate compounds having carbon-carbon unsaturated bonds, cyclic carbonate compounds having fluorine atoms, monofluorophosphates, and difluorophosphates. In Formula (1), R1 to R3 each independently represent an alkyl group having 1 to 12 carbon atoms, optionally substituted by a halogen atom; and n is an integer of 0 to 6.

Abstract: A battery pack that economically and reliably interconnects a large number of small form-factor battery cells. A conducting plate with a plurality of sets of tabs protruding from a flat surface of the conducting plate is used to connect electrical terminals of a plurality of battery cells. Each set of tabs is disposed about and exerts a spring force to a respective battery cell, thus mechanically securing and electrically connecting the conducting plate to the cell.

Abstract: A magnesium battery includes a first electrode including an active material and a second electrode. An electrolyte is disposed between the first electrode and the second electrode. The electrolyte includes a magnesium compound. The active material includes an inter-metallic compound of magnesium and antimony. The active material also includes antimony or an alloy of bismuth and antimony.

Abstract: A lithium-ion battery has (a) an anode; (b) a cathode having a cathode composition of the formula Li[M4yM51-2yMny]O2, wherein 0.083<y<0.5 with the proviso that M4 and M5 do not include chromium, and wherein M4 is Co and M5 includes the combination of Li and Ni; and (c) an electrolyte.

Abstract: A process to induce polymerization of an organic electronically conductive polymer in the presence of a partially delithiated alkali metal phosphate which acts as the polymerization initiator.

Abstract: A rechargeable lithium battery including: a negative electrode including lithium-vanadium-based oxide, negative active material; a positive electrode including a positive active material to intercalate and deintercalate lithium ions; and an electrolyte including a non-aqueous organic solvent, and a lithium salt. The lithium salt includes 0.7 to 1.2M of a first lithium salt including LiPF6; and 0.3 to 0.8M of a second lithium salt selected from the group consisting of LiBC2O4F2, LiB(C2O4)2, LiN(SO2C2F5)2, LiN(SO2CF3)2, LiBF4, LiClO4, and combinations thereof.

Abstract: The current invention describes a lithium/carbon monofluoride (Li/CFx) cell capable of delivering sufficient power to supply an ICD or similar demanding device. The cell exhibits the typical excellent long-term stability and predictability of the CFx system, as well as its high energy density (greater than about 300 Ah/cc, greater than about 600 Wh/cc). Additionally, the cell is capable of delivering about 0.5 W/cc of cathode volume for greater than 5 seconds with a voltage above 1.70 V (FIG. 1). The following invention embodiments can be applied individually or in conjunction with each other.

Abstract: An electrode for a power storage device with good cycle characteristics and high charge/discharge capacity is provided. In addition, a power storage device including the electrode is provided. The electrode for the power storage device includes a conductive layer and an active material layer provided over the conductive layer, the active material layer includes graphene and an active material including a plurality of whiskers, and the graphene is provided to be attached to a surface portion of the active material including a plurality of whiskers and to have holes in part of the active material layer. Further, in the electrode for the power storage device, the graphene is provided to be attached to a surface portion of the active material including a plurality of whiskers and to cover the active material including a plurality of whiskers. Further, the power storage device including the electrode is manufactured.

Abstract: At least one of an aqueous solution A containing lithium, an aqueous solution B containing iron, manganese, cobalt, or nickel, and an aqueous solution C containing a phosphoric acid includes graphene oxide. The aqueous solution A is dripped into the aqueous solution C, so that a mixed solution E including a precipitate D is prepared. The mixed solution E is dripped into the aqueous solution B, so that a mixed solution G including a precipitate F is prepared. The mixed solution G is subjected to heat treatment in a pressurized atmosphere, so that a mixed solution H is prepared, and the mixed solution H is then filtered. Thus, particles of a compound containing lithium and oxygen which have a small size are obtained.

Abstract: A separator of a molten salt battery made of a porous resin sheet. The separator is improved in wettability to a molten salt by giving hydrophilicity to the resin sheet. In the case of a fluororesin sheet, the sheet is impregnated with water, and irradiated with ultraviolet rays so that C—F bonds in the fluororesin are cleaved and the resultant reacts with water to generate hydrophilic groups, such as OH groups, in each surface layer thereof. The separator gains hydrophilicity through the hydrophilic groups. The separator made of the resin can be made into a bag form. In a molten salt battery having the bag-form separator, the growth of a dendrite is prevented.

Abstract: An organic electrolyte including a lithium salt; an organic solvent; and a flavone-based or flavanon-based compound, and a lithium battery including the organic electrolyte.

Abstract: Provided is a lithium ion rechargeable battery less suffering from swelling even when stored at high temperatures. Disclosed are a cathode active material, a cathode for a lithium ion rechargeable battery using the cathode active material, and a lithium ion rechargeable battery using the cathode. The cathode active material includes particles, each of the particles including a cathode material capable of intercalating and deintercalating lithium ions, and a film formed on at least part of surfaces of the particles. The film includes a compound represented by Chemical Formula (1). Examples of the compound represented by Chemical Formula (1) include lithium squarate and dilithium squarate. Preferably, the lithium ion rechargeable battery is a prismatic battery.

Abstract: A component for use in assembling a membrane electrode assembly comprises a microporous layer supported on a transfer substrate, wherein the microporous layer comprises carbon particles and a hydrophobic polymer, and a polymer layer is present on the microporous layer. A process for preparing a component for use in assembling a membrane electrode assembly includes forming the microporous layer on the transfer substrate and applying a polymer layer on the microporous layer. The microporous layer may also be deposited onto a gas diffusion substrate for use in the membrane electrode assembly.

Abstract: The invention disclosed is a catalyst composition for an air cathode for use in an electrochemical cell, in particular in alkaline electrolyte metal-air e.g. zinc-air, fuel cells. The catalyst composition comprises an active material CoTMMP and silver, supported on carbon wherein the ratio of silver to CoTMPP is 1:1 to 2.4:1. Optional ingredients include a hydrophobic and a hydrophobic bonding agent, MnO2, WC/Co or both. The catalyst composition is supported on microporous support layer and nickel foam or mesh to form an air cathode.

Abstract: The present invention relates to an electrically conductive membrane that can be configured to be used in fuel cell systems to act as a hydrophilic water separator internal to the fuel cell, or as a water separator used with water vapor fed electrolysis cells, or as a water separator used with water vapor fed electrolysis cells, or as a capillary structure in a thin head pipe evaporator, or as a hydrophobic gas diffusion layer covering the fuel cell electrode surface in a fuel cell.

Abstract: A fuel cell system includes a fuel cell module and a condenser apparatus. The condenser apparatus includes a first condenser using an oxygen-containing as a coolant, and a second condenser using hot water stored in a hot water tank as the coolant. Further, the fuel cell system includes a control device for controlling at least one of a flow rate of the exhaust gas supplied to the first condenser and a flow rate of the exhaust gas supplied to the second condenser based on at least any of a water level of the hot water in the hot water tank, a temperature of the hot water in the hot water tank, and a water level of the condensed water in the condenser apparatus.

Abstract: A fuel cell system for a vehicle includes a fuel cell arrangement that is coupleable to a vehicle drive as a primary load, and to a plurality of secondary loads. A control apparatus which controls the primary load and the secondary loads includes a monitoring circuit that is operable in a special operating mode of the fuel cell system, with the secondary loads being switched on and/or off as a manipulated variable in order to maintain the output voltage, as a reference variable, at a low voltage value that is formed by a cell voltage of the fuel cells of less than 0.45 V on average.

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: One exemplary embodiment may include a fuel cell comprising an electrolyte layer and an electrolyte stabilizing agent. The electrolyte stabilizing agent is disposed in an electrochemically non-active layer and configured to migrate from the non-active layer to the electrolyte layer. Another exemplary embodiment may include a microporous layer comprising an electrolyte stabilizing agent.

Abstract: A fuel cell system (10) comprises a fuel cell (14) and an evaporative cooling system (16), which is in thermal contact with the fuel cell (14), in order that heat generated by the fuel cell (14) during operation of the fuel cell (14) is absorbed through evaporation of a cooling medium and is removed from the fuel cell (14). The fuel cell system (10) further comprises a device (22) for sensing the pressure in the evaporative cooling system (16). A control unit (24) is adapted to control the operating temperature of the fuel cell (14) in dependence on signals that are supplied to the control unit (24) from the device (22) for sensing the pressure in the evaporative cooling system (16), in such a way that the cooling medium of the evaporative cooling system (16) is transferred from the liquid to the gaseous state of matter by the heat generated by the fuel cell (14) during operation of the fuel cell (14).

Abstract: A fuel cell system includes at least one fuel cell and at least one air conveyor that conveys a process air flow to the fuel cell. At least one heat exchanger is also provided, through which the process air flow flows after the air conveyor and through which a cooling medium flow flows. A region with catalytically active material is arranged in the flow direction of the process air flow before or in the region of the heat exchanger. In addition a fuel can be fed to the region with the catalytically active material.

Abstract: A method of operating a fuel cell system includes characterizing the fuel or fuels being provided into the fuel cell system, characterizing the oxidizing gas or gases being provided into the fuel cell system, and calculating at least one of the steam:carbon ratio, fuel utilization and oxidizing gas utilization based on the step of characterization.

Abstract: The present invention provides a method for removing residual water in a fuel cell, which controls the humidity of purge gases to effectively remove residual water in the fuel cell and to maintain the humidity in a membrane at a constant level, thus ensuring the durability of the membrane. For this purpose, the present invention provides a method for removing residual water in a fuel cell, characterized in that the relative humidities of purge gases supplied to an anode and a cathode are controlled to selectively reduce water content in the fuel cell and water content in a membrane.

Abstract: In a planar-array cell structure, an area required by interconnectors is reduced and a fuel cell is made further compact. A connection part which connects adjacent cells in series is provided within a sealing member provided in a peripheral edge part of an electrolyte membrane where multiple cells are formed in a planar arrangement. For each cell, an anode terminal of a current collector is disposed counter to a cathode terminal of the current collector via the electrolyte membrane. The connection part penetrates the electrolyte membrane and connects the anode terminal of one of the adjacent cells to the cathode terminal of the other of the adjacent cells.

Abstract: The separator of which the region facing the MEA is a flat includes the first electrode facing plate and the second electrode facing plate. The separator includes the reaction gas supply manifold to which the reaction gas is supplied. The first electrode facing plate includes a plurality of reaction gas supply holes formed at the end of the cell-reaction region. The intermediate plate includes a plurality of reaction gas supply path slits that forms the reaction gas supply paths, wherein each of the reaction gas supply paths has one end connected to the reaction gas supply manifold and other end connected to at least one of the plurality of reaction gas supply holes.

Abstract: A discharge port is located at a lower portion of the case of a gas-liquid separator. A discharge valve is located at the discharge port. A water retaining portion is located at the bottom of the case. The water retaining portion is located at a position lower than the discharge valve. An upward inclination surface is formed on the bottom of the water retaining portion. The upward inclination surface is inclined upward toward the discharge valve. A downward inclination surface is formed on the bottom of the water retaining portion. The downward inclination surface is inclined downward toward the upward inclination surface. A cover portion is located in an upper portion of the water retaining portion. The cover portion defines a gas passage in an upper portion of the water retaining portion. The gas passage is open at a portion closer to the inlet and connected to the discharge valve.

Abstract: The present invention provides a membrane electrode assembly that enhances the reliability, mechanical strength, and handling characteristics of a seal in a solid polymer electrolyte fuel cell. The membrane electrode assembly of the present invention comprises a membrane-electrode structure having electrode layers and gas diffusion layers on both sides of a polymer electrolyte membrane, and a resin frame provided in such a manner as to fully enclose the outer periphery of the electrolyte membrane and to enclose at least portions of the outer peripheries of the gas diffusion layers, the resin frame being provided so as to enclose the electrolyte membrane side. The gas diffusion layer and electrode layer on one side are stacked on a surface of the electrolyte membrane so that a surface region of the electrolyte membrane is left exposed. The gas diffusion layer on the opposite side extends all around the outer periphery of the electrolyte membrane.

Abstract: A fuel cell and method for manufacturing the fuel cell are described herein. Basically, the fuel cell is formed from an electrode/electrolyte structure including an array of anode electrodes and cathode electrodes disposed on opposing sides of an electrolyte sheet, the anode and cathode electrodes being electrically connected in series, parallel, or a combination thereof by electrical conductors that traverse via holes in the electrolyte sheet. Several different embodiments of electrical conductors which have a specific composition and/or a specific geometry are described herein.

Abstract: An apparatus for pre-activation of a polymer electrolyte fuel cell includes a first plate and a second plate hot pressing the unit cell stack, each having a flow channel supplying water vapor to opposing inner surfaces with the unit cell stack therebetween and including a resistor producing heat, a compressor, a temperature controller and a water vapor supplier connected to the flow channels of the plates. The apparatus for pre-activating a polymer electrolyte fuel cell may be used to prepare a prep-activated integrated body of a polymer electrolyte fuel cell membrane electrode assembly and gas diffusion layers by performing hot pressing while supplying water vapor to the unit cell stack to hydrate the polymer electrolyte membrane.

Abstract: A dispersion composition including a fluorine-containing ion exchange resin having a repeating unit represented by the formulae (1) and a repeating unit represented by the formulae (2), and having an equivalent weight of 400 to 1000 g/eq; and a solvent comprising water, wherein Z represents H, Cl, F, or a perfluoroalkyl group having 1 to 3 carbon atoms; m represents an integer of 0 to 12; and n represents an integer of 0 to 2, and wherein an abundance ratio of a resin having a particle size of 10 ?m or more in the fluorine-containing ion exchange resin is 0.1% to 80% by volume.

Abstract: An inorganic proton conductor for an electrochemical device and an electrochemical device using the inorganic proton conductor, the inorganic proton conductor including a tetravalent metallic element and an alkali metal.

Abstract: A flow field plate for fuel cell applications includes a metal with a carbon layer disposed over at least a portion of the metal plate. The carbon layer is overcoated with a silicon oxide layer to form a silicon oxide/carbon bilayer. The silicon oxide/carbon bilayer may be activated to increase hydrophilicity. The flow field plate is included in a fuel cell with a minimal increase in contact resistance. Methods for forming the flow field plates are also provided.

Abstract: A cathode catalyst for a fuel cell includes a carrier, and an active material including M selected from the group consisting of Ru, Pt, Rh, and combinations thereof, and Ch selected from the group consisting of S, Se, Te, and combinations thereof, with the proviso that the active material is not RuSe when the carrier is C.

Abstract: The present invention relates to a novel holographic photopolymer based on prepolymer-based polyurethane compositions, the preparation of said photopolymer and its use for a very wide range of optical applications.

Abstract: A grayscale mask made from semi-transparent film layers is provided, along with an associated fabrication method. The method provides a transparent substrate, such as quartz, with a surface. A first layer of a semi-transparent film having a surface with a first surface area, is formed overlying the substrate surface. At least a second layer of the semi-transparent film having a surface with a second surface area greater than the first surface area, is formed overlying the first layer. A first vertical region is formed having a light first attenuation parameter through the combination of substrate, first layer, and second layer. A second vertical region is formed having a light second attenuation parameter through the combination of the first layer and substrate, and a third vertical region is formed having a light third attenuation parameter through the substrate.

Abstract: First and second anchor features are formed on a photolithography mask, each having a respective center point. An elongated, chromeless, bridging feature is formed between the anchor features. The bridging feature is offset from the center points of the anchor feature to minimize distortions of a corresponding photoresist feature formed by the bridging feature.

Abstract: Disclosed is a pellicle having a mask adhesive layer having appropriate softness, having a small adhesive residue after being peeled off from a mask, and having good handling characteristics; and a pellicle for preventing position deviation of patterns, in particular in double patterning. The pellicle of the present invention includes a pellicle frame, a pellicle membrane disposed on one end surface of the pellicle frame, and a mask adhesive layer disposed on other end surface of the pellicle frame; wherein the mask adhesive layer includes 35 to 170 weight parts of a hardness adjuster (B) containing a polypropylene (b1) and a propylene based elastomer (b2) per 100 weight parts of a styrene resin (A); and in an electron microscopic photograph of the mask adhesive layer, a phase-separated structure of a continuous phase of the styrene resin (A) and a discontinuous phase of the hardness adjuster (B) is observed.

Abstract: A method of pulsed laser intrinsic marking can provide a unique identifier to detect tampering or counterfeiting.

Abstract: There is provided an electrophotographic photoreceptor including a conductive substrate; an intermediate layer; a photosensitive layer; and a surface layer, in this order, the surface layer including two or more charge transporting materials each including a reactive substituent and respectively having mutually different ionization potentials, in an amount of 90% by weight or more relative to the total solid content of the surface layer, and the content ratio X of each of the two or more charge transporting materials satisfying the following Formula (1).