Abstract: The manufacturing method for the fuel cell unit includes a stacking step and a laser irradiation step. In the stacking step, a stacked portion including, stacked together, a resin frame member of a resin frame equipped membrane electrode assembly and an outer peripheral portion of a separator is placed on a metal spacer. The resin frame member at a joining target portion of the stacked portion is placed so as to face a recess of the metal spacer. In the laser irradiation step, the separator at the joining target portion in a state where the resin frame member faces the recess is irradiated with a laser beam to thereby form a welded portion where the resin frame member and the separator are welded to each other.

Abstract: A thermally integrated hotbox apparatus combining a steam reformer, a plurality of solid oxide fuel cell (SOFC) stacks, a plurality of oxidant manifolds, and at least one heat extractor. The steam reformer occupies a central position in the hotbox, around which are disposed in spaced-apart relation a plurality of SOFC stacks. A burner may be associated with the steam reformer, either within or outside the hotbox. An oxidant manifold is disposed between each pair of adjacent SOFC stacks. A heat exchanger is incorporated between an SOFC stack and an oxygen manifold. The hotbox design optimally captures thermal heat from the SOFC stacks for use in producing steam and operating the endothermic steam reformer. The apparatus reduces duty cycle of the burner, which produces heat and steam needed for operation of the endothermic steam reformer.

Abstract: A fuel cell vehicle includes a fuel cell stack, a stack case containing the fuel cell stack, and an interruption control unit for electrically interrupting an output line of the fuel cell stack at the time of vehicle collision. The interruption control unit is arranged on an upper surface of the stack case, and a front end of the interruption control unit is positioned on the vehicle rear side as compared with a front end of the stack case.

Abstract: A cooler for at least one electrical energy storage element, the cooler comprising at least one heat-transfer liquid circulation duct, the ends of which penetrate into manifolds. Each of the manifolds comprises a collector having at least one opening for introduction and passage of at least one duct, and a cover covering the collector in such a way as to define a volume, into which the at least one duct opens, for circulation of the heat-transfer liquid. The at least one duct and the cover are mechanically assembled with the collector. A manifold further comprises at least one seal disposed between the collector and the at least one duct, and also between the collector and the cover.

Abstract: A battery module according to an embodiment of the present disclosure includes: at least one battery cell; a bus bar assembly connected to an electrode lead of the at least one battery cell and positioned on both side surfaces of the at least one battery cell; and a heatsink assembly positioned in direct contact with both of the at least one battery cell and the bus bar assembly while surrounding both of the at least one battery cell and the bus bar assembly.

Abstract: A battery pack having a battery housing that defines a cavity for receiving a plurality of battery cells. The battery pack cavity is sealed from the air outside the battery pack housing to prevent water and other contaminants from reaching the plurality of battery cells. The battery pack may include a sealing material to create a seal between an upper housing and a lower housing of the battery housing. The battery pack also include a sealing material to create a seal around a terminal block of the battery pack.

Abstract: The present invention provide a pouch type secondary battery and a method for manufacturing the same. More particularly, the present invention provides a pouch type secondary battery and a method for manufacturing the same, in which a pouch case is formed in a folding manner without being subjected to a forming process (press process), such that there is no limit in a length, and a thickness of an inner space of the pouch case is not limited.

Abstract: There is provided a positive electrode for an alkaline secondary battery and an alkaline secondary battery having good output properties and cycle life. To that end, a positive electrode (10) for alkaline secondary battery is obtained by laminating a flexible metal substrate (11) having flexibility; a primer layer (12) having conductivity provided on one or both surfaces of the substrate (11); and a positive electrode composite material layer (13) provided on the primer layer (12) and containing a positive electrode active material, a binder resin, and a first conductive material.

Abstract: An object of the present invention is to provide a lithium-ion secondary battery having a large charge and discharge capacity and excellent cycle characteristics irrespective of kind and shape of a current collector. The lithium-ion secondary battery comprises an electrode comprising a primer layer for protecting a current collector and a crosslinking agent layer comprising a compound being capable of crosslinking an aqueous binder contained in the primer layer, the both layers being disposed between a current collector and an active material layer comprising a sulfur-based active material.

Abstract: A cylindrical battery includes an electrode unit configured as a roll of a first electrode plate and a second electrode plate with a separator in between. The first electrode plate is an electrode plate to which one end of a first electrode tab and one end of a second electrode tab are connected, and the second electrode plate has the opposite polarity from the first electrode plate. Additionally, a case houses the electrode unit and a sealing member seals an opening rim of the case. The first electrode tab and the second electrode tab are disposed to project out from the first electrode plate at opposite ends of a winding axis of the first electrode plate. The first electrode tab contacts at a bottom portion of the case and the second electrode tab is welded at the opening rim side opposite the bottom portion of the case.

Abstract: A thermally integrated hotbox apparatus combining a steam reformer, a plurality of solid oxide fuel cell (SOFC) stacks, a plurality of oxidant manifolds, and at least one heat extractor. The steam reformer occupies a central position in the hotbox, around which are disposed in spaced-apart relation a plurality of SOFC stacks. A burner may be associated with the steam reformer, either within or outside the hotbox. An oxidant manifold is disposed between each pair of adjacent SOFC stacks. A heat exchanger is incorporated between an SOFC stack and an oxygen manifold. The hotbox design optimally captures thermal heat from the SOFC stacks for use in producing steam and operating the endothermic steam reformer. The apparatus reduces duty cycle of the burner, which produces heat and steam needed for operation of the endothermic steam reformer.

Abstract: An exemplary embodiment of the present invention provides a spiral-wound electrode assembly including: a negative electrode and a positive electrode, each of which is configured to include a substrate, and a first composite material and a second composite material formed on opposite surfaces of the substrate; and a separator disposed between the negative electrode and the anode, wherein the first composite material of the negative electrode is disposed farther away from a center of the electrode assembly than the second composite material of the negative electrode, and the first composite material of the negative electrode is oriented with respect to a first surface of the substrate of the negative electrode.

Abstract: A power source includes a container, a fuel cell stack disposed within the container, the fuel cell stack having an anode side and a cathode side, a hydrogen producing fuel disposed within the container and positioned to provide hydrogen to anode side of the fuel cell stack, and a pump disposed within the hydrogen producing fuel to circulate water vapor through the hydrogen producing fuel. A capacitor may be coupled to receive electricity generated by the fuel cell stack.

Abstract: An illustrative example fuel cell assembly includes a plurality of fuel cells arranged in a stack including a first end fuel cell near a first end of the stack and a second end fuel cell near a second end of the stack. Each of the fuel cells includes a matrix containing an electrolyte, an anode and a cathode on opposite sides of the matrix, and respective flow fields adjacent the anode and the cathode. An electrolyte supply associated with the anode flow field of the first end fuel cell includes a porous material containing electrolyte. An electrolyte collector associated with the cathode flow field of the second end fuel cell includes a porous material configured to collect electrolyte from at least the cathode of the second end fuel cell.

Abstract: The present disclosure relates to a stacked electrode assembly and a flexible rechargeable battery including the same, including a first electrode, a second electrode stacked on one surface or both surfaces of the first electrode, and a separator disposed between the first electrode and the second electrode, wherein the separator has a continuous sheet shape, is bent in a first direction to surround the first electrode and in a second direction as an opposite direction to the first direction to surround the second electrode, and a bending end region of the separator includes a plurality of patterns.

Abstract: A battery pack includes a power supply conduction member to be electrically connected to a power supply, a power supply terminal connected to the power supply conduction member, a load conduction member to be connected to an electrical load, a load terminal connected to the load conduction member, a wiring pattern connecting the power supply terminal and the load terminal, and a switch provided in the wiring pattern. The power supply conduction member includes a plurality of power supply connection terminals that are mechanically and electrically connected to a plurality of power supply terminals, respectively, and the load conduction member includes a plurality of load connection terminals that are mechanically and electrically connected to a plurality of load terminals, respectively.

Abstract: A composition for a non-aqueous secondary battery functional layer including a particulate polymer, wherein the particulate polymer is a copolymer containing 20% by weight or more and 80% by weight or less of an aromatic monovinyl monomer unit; and 0.01% by weight or more and 2% by weight or less of a polyvalent ethylenically unsaturated crosslinkable monomer unit, a volume-average particle diameter D of the particulate polymer is 0.5 ?m or more and 5 ?m or less, and a swelling degree of the particulate polymer to an electrolyte solution is more than 1 time and 3 times or less; and a non-aqueous secondary battery including the same.

Abstract: A secondary battery in which an electrode assembly including positive electrodes, negative electrodes, and separators disposed between the positive electrodes and the negative electrodes, and an electrolyte are housed in an exterior body. The electrode assembly has a step structure including a first region having a relatively high cross-sectional height and a second region having a relatively low cross-sectional height adjacent to the first region. The electrode assembly includes at least one of a positive electrode side connecting portion and a negative electrode side connecting portion in the first region. At least one of a positive electrode side extended portion and a negative electrode side extended portion in the second region is configured to be electrically connected to an external terminal.

Abstract: A battery includes at least an electrode array and an electrolyte solution. The electrolyte solution contains at least a solvent and a supporting salt. The electrode array includes at least a positive electrode, a porous insulating layer, and a negative electrode. The porous insulating layer is interposed between the positive electrode and the negative electrode. The porous insulating layer contains at least a group of inorganic nanoparticles and a group of polymer particles. Each inorganic nanoparticle in the group of inorganic nanoparticles is a dielectric. Each inorganic nanoparticle in the group of inorganic nanoparticles is in contact with the electrolyte solution.

Abstract: A passive thermal management system is provided for a fuel cell stack, along with methods for maintaining a uniform temperature across a fuel cell stack during cold weather conditions. The system includes a plurality of fuel cells arranged as a fuel cell stack. The fuel cell stack includes a main body portion defining an exterior surface and having first and second opposing end walls. The system includes a first end frame component having a first phase change material in thermal communication with the first end wall. A second end frame component is provided having a second phase change material in thermal communication with the second end wall. An insulation layer is wrapped around the exterior surface of the main body portion and is provided in thermal communication with the plurality of fuel cells.