Abstract: The stack-folding type electrode assembly according to the present disclosure is an electrode assembly including a plurality of stack type unit cells which is stacked on one another with a continuous folding separator sheet interposed between each of the stacked unit cells, wherein the unit cells has a combination of at least two quad cells of a positive electrode/separator/negative electrode/separator/positive electrode/separator/negative electrode structure, and one C-type bicell of a negative electrode/separator/positive electrode/separator/negative electrode structure, and unit cells disposed above and below a central part or a winding start point have an asymmetrical structure each other with the quad cell disposed at the central part, or unit cells disposed above and below a central part or a winding start point have a symmetrical structure each other with the C-type bicell disposed at the central part.

Abstract: Disclosed are a method of preparing a negative active material for a rechargeable lithium battery that includes preparing a solution including spherically shaped natural graphite particles and a solvent, ultrasonic wave-treating the solution, and drying the ultrasonic wave-treated solution to prepare graphite modified particles, and a rechargeable lithium battery prepared therefrom.

Abstract: A carbon-coated active material composite, an electrode and a lithium ion battery capable of improving electron conductivity and lithium ion conductivity when an electrode active material having a carbonaceous film formed on the surface is used as an electrode material are provided. In the carbon-coated active material composite, charge migration of lithium ions occurs at an interface between a carbonaceous film and an electrode active material, an activation energy of an insertion and removal reaction of lithium ions at an interface between the carbon-coated active material composite and an electrolytic solution is 45 kJ/mol to 85 kJ/mol, a value of a carbon supported amount to a specific surface area of particles of an electrode active material is 0.01 to 0.5, and the activation energy is measured using an electrolyte solution obtained by mixing ethylene carbonate and diethyl carbonate at a 1:1 ratio.

Abstract: The present invention relates to the field of fuel cell technology and, more particularly, relates to an integrated gas diffusion layer with a sealing function and a method of making the same. The integrated gas diffusion layer includes a gas diffusion member and a sealing member having fuel inlet and outlet openings, oxidant inlet and outlet openings, and coolant inlet and outlet openings. The sealing member is sized to substantially cover the peripheral portion of the gas diffusion member. The sealing member and the gas diffusion member are integrally injection molded or adhered together by adhesive bonding.

Abstract: A motor vehicle battery has at least one battery module with a plurality of battery cells (11) that have connection poles and degassing predetermined breaking points (14). The battery module also has a common battery module control device (19) for all of the battery cells (11) of the battery module. The degassing predetermined breaking points (14) of the battery cells (11) are on one side of the battery module and are offset inward in relation to the connection poles of the battery cells to form a recess (15). A guide element (16) is positioned in the recess (15) and extends along all of the battery cells (11) of the respective battery module to define a degassing channel (17) on one side and defining an accommodation space (18) for the battery module control device (19) on the other side.

Abstract: A vehicle battery assembly includes a housing defining a plenum having an inlet, and a plurality of battery cells disposed within the housing. The plenum has an effective cross-sectional area that decreases as a distance from the inlet increases and is arranged to promote development of generally uniform pressure within the plenum.

Abstract: A positive electrode material for an alkaline storage battery includes nickel hydroxide. Zn and an A element are held in solid solution in a crystallite of the nickel hydroxide, the A element being at least one element selected from the group consisting of Al, Ga, Mn, and Mo. The content of the A element, [A]/([Ni]+[A]+[Zn]), is 5 to 16% (where [A] represents the molarity of the A element,[Ni] represents the molarity of nickel, and [Zn] represents the molarity of zinc in the crystallite). [Zn]/([Ni]+[A]+[Zn]) is 1 to 10%. The nickel hydroxide includes ?-phase nickel hydroxide and ?-phase nickel hydroxide.

Abstract: A nonaqueous electrolyte secondary battery according to an embodiment of the invention includes: a flat electrode assembly including a positive electrode and a negative electrode; a bottomed prismatic hollow outer can storing the flat electrode assembly and a nonaqueous electrolyte and having an opening portion; and a sealing plate sealing the opening portion of the hollow outer can. The nonaqueous electrolyte contains at least one of a lithium salt having an oxalate complex as an anion and lithium difluorophosphate (LiPF2O2). The outer surface area of a battery outer body including the hollow outer can and the sealing plate is 350 cm2 or more. With this configuration, the nonaqueous electrolyte secondary battery has excellent battery characteristics.

Abstract: A battery pack includes battery modules. The battery modules are arranged adjacent to each other in a vehicle anteroposterior direction in such a manner that a longitudinal direction of each battery module corresponds to a vehicle width direction. Bus bars for electrically connecting in series positive and negative electrode terminals of the adjacent battery modules include outer bus bars in an outer part in the vehicle width direction, and inner bus bars in a center part in the vehicle width direction. The outer bus bars are provided so as not to protrude from upper faces of the battery modules thereby to interconnect the electrode terminals of the adjacent battery modules, and the inner bus bars are provided so as to pass above the upper faces of the battery modules thereby to interconnect the electrode terminals of the adjacent battery modules.

Abstract: Disclosed is a non-aqueous electrolyte secondary battery including a positive electrode including a lithium-containing transition metal composite oxide as a positive electrode active material, a negative electrode including a negative electrode active material, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte. The positive electrode contains lithium carbonate and lithium hydrogencarbonate in a total amount of 500 ppm or more and 3000 ppm or less, and exhibits a weight loss by temperature increase from 25° C. to 300° C. at 5° C./min of 70% or less of the total amount and of 1500 ppm or less. The non-aqueous electrolyte includes a non-aqueous solvent and a lithium salt. The non-aqueous solvent may contain a cyclic carbonate and a chain carbonate.

Abstract: A product, and a method for forming a product, that includes a composite material having a polymeric carrier resin and a shape memory polymer material capable of transformation between a temporary shape and a permanent shape in the presence of an external stimuli, wherein said transformation from said temporary shape to said permanent shape changes at least one property of said composite material.

Abstract: A mechanism is presented for shielding a cathode in a metal cyanometallate battery. A battery is provided with an anode, a cathode, an electrolyte, and an ion-permeable membrane separating the anode from the cathode. The cathode is made up of a plurality of metal cyanometallate layers overlying the current collector. At least one of the metal cyanometallate layers is an active layer formed from an active material AXM1YM2Z(CN)N·MH2O, where “A” is an alkali metal, alkaline earth metal, or combination thereof. At least one of the metal cyanometallate layers is a shield layer comprising less than 50 percent by weight (wt %) active material. In response to applying an external voltage potential between the cathode and the anode, the method charges the battery. Upon discharge, the shield layer blocks metal particles from contacting active layers. Simultaneously, the shield layer transports metal ions from the electrolyte to the active layers.

Abstract: A fuel cell is disclosed which is formed on a semiconductor wafer by etching channel in the wafer and forming electronics on the substrate electronically coupled to the fuel cell that controls generation of power by the fuel cell through electrical communication with the fuel cell. A hydrogen fuel is admitted into one of the divided channels and an oxidant into the other. The hydrogen reacts with a catalyst formed on an anode electrode at the hydrogen side of the channel to release hydrogen ions (protons) which are absorbed into the PEM. The protons migrate through the PEM and recombine with return hydrogen electrons on a cathode electrode on the oxygen side of the PEM and the oxygen to form water.

Abstract: The present invention provides a fluoropolymer electrolyte material which has improved processability and which is easily produced. The electrolyte emulsion of the present invention comprises an aqueous medium and a fluoropolymer electrolyte dispersed in the aqueous medium. The fluoropolymer electrolyte has a monomer unit having an SO3Z group (Z is an alkali metal, an alkaline-earth metal, hydrogen, or NR1R2R3R4, and R1, R2, R3, and R4 each are individually a C1-C3 alkyl group or hydrogen). The fluoropolymer electrolyte has an equivalent weight (EW) of 250 or more and 700 or less and a proton conductivity at 110° C. and relative humidity 50% RH of 0.10 S/cm or higher. The fluoropolymer electrolyte is a spherical particulate substance having an average particle size of 10 to 500 nm. The fluoropolymer electrolyte has a ratio (the number of SO2F groups)/(the number of SO3Z groups) of 0 to 0.01.

Abstract: An electrode for an electrochemical cell including an active electrode material and an intrinsically conductive coating wherein the coating is applied to the active electrode material by heating the mixture for a time and at a temperature that limits degradation of the cathode active material.

Abstract: Provided is an anode for use in electrochemical cells, wherein the anode active layer has a first layer comprising lithium metal and a multi-layer structure comprising single ion conducting layers and polymer layers in contact with the first layer comprising lithium metal or in contact with an intermediate protective layer, such as a temporary protective metal layer, on the surface of the lithium-containing first layer. Another aspect of the invention provides an anode active layer formed by the in-situ deposition of lithium vapor and a reactive gas. The anodes of the current invention are particularly useful in electrochemical cells comprising sulfur-containing cathode active materials, such as elemental sulfur.

Abstract: A fuel cell device having an exterior surface defining an interior ceramic support structure. An active zone is along a first portion of the length for undergoing a fuel cell reaction, and at least one non-active end region is along an end portion extending away from the active zone without being heated. Fuel and oxidizer passages extend within the interior support structure from respective first and second inlets in the non-active end region to the active zone. The active zone has an anode associated with each of the fuel passages and a cathode associated with each of the oxidizer passages in opposing relation to a respective one of the anodes with an electrolyte therebetween. A plurality of ceramic support members in spaced-apart positions are provided throughout each one of the plurality of fuel and oxidizer passages that physically holds open the passages to prevent collapse.

Abstract: In various aspects, systems and methods are provided for integration of molten carbonate fuel cells with a Fischer-Tropsch synthesis process. The molten carbonate fuel cells can be integrated with a Fischer-Tropsch synthesis process in various manners, including providing synthesis gas for use in producing hydrocarbonaceous carbons. Additionally, integration of molten carbonate fuel cells with a Fischer-Tropsch synthesis process can facilitate further processing of vent streams or secondary product streams generated during the synthesis process.

Abstract: The invention relates to a battery (1) comprising a casing having one or more gas vents (3) and a manifold (4) arranged to collect gas emerging from the gas vents wherein the manifold is fixed to the casing using a double sided adhesive gasket (6).

Abstract: Material compositions are provided that may comprise, for example, a vertically aligned carbon nanotube (VACNT) array, a conductive layer, and a carbon interlayer coupling the VACNT array to the conductive layer. Methods of manufacturing are provided. Such methods may comprise, for example, providing a VACNT array, providing a conductive layer, and bonding the VACNT array to the conductive layer via a carbon interlayer.