Abstract: The present disclosure provides a fuel cell system which comprises: a target output reaching time estimation unit configured to estimate a target output reaching time that requires for a fuel cell after start-up at a below-freezing temperature to become capable of providing an expected output desired or expected by a user of the fuel cell system or a predetermined output according to the expected output, based on the water content in the fuel cell and the temperature inside the fuel cell at the time of start-up at a below-freezing temperature; and a target output reaching time notification unit that notifies the user of the time estimated by the target output reaching time estimation unit.

Abstract: An object is to suppress drying of a fuel cell during continuous operation with high load. There is provided a fuel cell system including a fuel cell. The fuel cell system comprises an impedance detector that is configured to detect an impedance of the fuel cell; and a current limiter that is configured to limit an output current of the fuel cell with a limiting rate. The current limiter changes the limiting rate, based on the detected impedance.

Abstract: A catalyst layer material, a method for fabricating the same, and a fuel cell are provided. The catalyst layer material utilized for the fuel cell includes a catalyst support and a catalyst distributed on the catalyst support. The catalyst support contains TixM1-xO2, wherein M is selected from the group consisting of a Group IB metal, a Group IIA metal, a Group IIB metal, a Group IIIA, a Group VB metal, a Group VIB metal, a Group VIIB metal and a Group VIIIB metal, and 0<X?0.9. By applying the non-carbonaceous catalyst support containing high conductivity metal elements to the fuel cell, stability and performance of the cell can be effectively enhanced.

Abstract: This battery is provided with a power generating element, a battery case main body, a battery case lid, an electrode terminal member which is connected electrically to the power generating element inside of the battery case body and which extends outside of the battery case lid, and an outer insulation member which is arranged on the battery case lid and insulates the electrode terminal member from the battery case lid. The battery case lid is fitted inside of the opening and welded to the battery case main body by irradiating a laser from above the battery case lid towards the boundary section between the battery case lid and the battery case main body. Furthermore, this battery is provided with a plume control portion which prevents the plume that rises from the boundary portion during welding from rising towards the outer insulating member.

Abstract: An electrochemical storage cell is disclosed that comprises a core and a rectangular shell that receives the core snugly therein. The rectangular shell has first and second open ends. A first end cap is used to close the first open end. An anode terminal extends through the first end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A first gasket is secured within the rectangular shell between the first end cap and the core to resiliently hold the core away from the first end cap. A second end cap is used to close the second open end. A cathode terminal extends through the second end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A second gasket is secured within the rectangular shell between the second end cap and the core to resiliently hold the core away from the second end cap.

Abstract: A separator for a fuel cell, to be disposed opposing to a membrane electrode assembly, is provided. The separator includes a separator central area portion opposing to a center area of the membrane electrode assembly that concerns generating power, an outer edge portion located in an outer edge of the separator central area portion, a rubber molded body made of rubber, the rubber molded body being formed in the outer edge portion by die-casting a die-casting rubber material using die, and an adhesive layer formed in the outer edge portion, for adhering the rubber molded body to the outer edge portion. The adhesive layer is formed over an adhesive layer area that includes and is larger than an area where the rubber molded body is die-casted in the outer edge portion. Thus, a disadvantage due to burrs which are generated when die-casting the rubber molded body can be reduced.

Abstract: A rechargeable battery including an electrode assembly, the electrode assembly including a first electrode plate, a second electrode plate, and a separator; a first terminal electrically connected to the first electrode plate; a second terminal electrically connected to the second electrode plate; a case accommodating the electrode assembly and portions of the first terminal and second terminal; a cap assembly sealing the case, the cap assembly being electrically connected to the first terminal; and dish-shaped first and second connection plates on the first terminal and the second terminal, respectively, the first and second connection plates being configured to invert in response to a predetermined pressure respectively applied to the first terminal and the second terminal.

Abstract: An aluminum secondary battery includes a positive electrode 11, a negative electrode 12, and an electrolyte, wherein the positive electrode 11 includes an anion receptor such as polyaniline, the negative electrode 12 includes aluminum or an aluminum alloy, the electrolyte includes an aluminum salt, a sulfone, and a solvent with a dielectric constant of 20 or less, wherein the aluminum salt is typically AlCl3 or the like, the sulfone is typically ethyl n-propyl sulfone or the like, and the solvent with a dielectric constant of 20 or less is typically toluene or the like.

Abstract: A cover assembly and a battery comprising the same are provided. The cover assembly comprises: a cover plate body formed with at least a via hole penetrating therethrough; a cover plate connecting member hermetically connected with the cover plate body at the via hole, which is formed with an electrode receiving hole therein; and an electrode terminal penetrating through the electrode receiving hole to be hermetically connected with and insulated from the cover plate connecting member for leading out a current.

Abstract: Disclosed herein is a battery cell configured to have a structure in which two or more electrode assemblies, each including positive electrodes, negative electrodes, and separators disposed respectively between the positive electrodes and the negative electrodes, are mounted in a battery case, wherein the electrode assemblies are stacked such that electrode terminals of the electrode assemblies are aligned in a vertical direction, one side lower edge of an upper one of the electrode assemblies is disposed in contact with a top surface of a lower one of the electrode assemblies, and one side upper edge of the lower electrode assembly is disposed in contact with a bottom surface of the upper electrode assembly at an interface between the electrode assemblies, and the battery case has an internal shape corresponding to an external shape of the stacked electrode assemblies.

Abstract: A battery having a first electrode and a second electrode. The first electrode is made of metal and the second electrode is made of an oxidized material that is capable of being electrochemically reduced by the metal of the first electrode. An alkali-ion conductive, substantially non-porous separator is disposed between the first and second electrode. A first electrolyte contacts the first electrode. The first electrolyte includes a solvent which is non-reactive with the metal, and a salt bearing an alkali ion that may be conducted through the separator, wherein the salt is at least partially soluble in the solvent. A second electrolyte is also used. The second electrolyte contacts the second electrode. The second electrolyte at least partially dissolves the salt that forms upon the oxidized material being electrochemically reduced.

Abstract: An energy storage cell includes an electrically conductive housing having at least one first, one second, and one third outer wall, with the first outer wall being located at a distance from the second outer wall, and with the third outer wall connecting the first and second outer walls to one another. At least one electrochemical element is disposed in the housing having one anodic connection and one cathodic connection. An anodic current tap on the first outer wall is connected to the anodic connection in an electrically conductive fashion, and a cathodic current tap is connected in an electrically conductive fashion to the first or third outer wall. The cathodic connection is connected in the interior of the housing to the second outer wall in an electrically and thermally conductive fashion.

Abstract: A battery cooling and retainer assembly according to an exemplary aspect of the present disclosure includes, among other things, a first retainer section that includes a first retention feature, a second retainer section that includes a second retention feature, and a cooling channel disposed between the first retainer section and the second retainer section.

Abstract: A battery pack suitable for a handheld appliance, the battery pack including a plurality of cells and a circuit board associated with the cells, wherein the plurality of cells and the circuit board are contained within a housing, wherein the housing is defined by first and second separable housing sections which are engagable with one another to form a complete housing, wherein the circuit board includes an illuminable element that the circuit board is configured to illuminate to indicate the status of the battery pack, wherein the illuminable element forms part of the external surface of the battery pack and is located intermediate the first and second housing parts.

Abstract: A connection structure (10) is provided for connecting electrical storage element groups (12), each of which is formed by connecting electrical storage elements (13) having electrode terminals (14) in series, side by side. The electrical storage element groups (12) are connected electrically by connecting a connecting member (20) for connecting adjacent electrical storage element groups (12) to a first electrode terminal (16A) and a second electrode terminal (16B). The first electrode terminal (16A) is arranged on one end part of one electrical storage element group (12) and on the side of the adjacent other electrical storage element group (12) and the second electrode terminal (16B) is the electrode terminal (14) arranged on another end part of the other electrical storage element group (12B) opposite to the one end part of the one electrical storage element group (12A) and on the side of the adjacent one electrical storage element group (12A).

Abstract: A battery wiring module is to be combined with a battery module including a plurality of battery cells stacked in a state of being alternatively reversed so that a positive electrode terminal and a negative electrode terminal are adjoined between the adjacent battery cells. The battery wiring module is provided with a plurality of linear conductors which are arranged in parallel at an interval, a plurality of bus bars which are arranged at a predetermined interval along to at least one side of the plurality of linear conductors, and an insulation resin part which integrally covers both an outer periphery of the plurality of linear conductors and side edges of the plurality of bus bars adjacent to the linear conductors.

Abstract: A method for accelerating activation of a fuel cell stack may shorten an activation time of the fuel cell stack and reduce the amount of hydrogen used. The method includes a process of applying a high current to the fuel cell stack for a prescribed amount of time and a shutdown maintenance process of pumping hydrogen to an air electrode reaction surface for a prescribed amount of time.

Abstract: In order to improve a power density of a fuel cell and prevent a generation of a poor insulation, an insulator is provided, which is disposed between a current collector disposed in contact with one end of a stacked body having a plurality of stacked unit cells in stacking directions, and an end member disposed outside from the current collector in the stacking directions, and includes a plurality of insulator members, each having a sheet-like planar portion. The plurality of insulator members which are stacked onto each other by the planar portions thereof are disposed oppose to the current collector.

Abstract: Provided are electrochemical cells that include a compound having the general formula wherein R1 is moiety associated with a lithium ion, X1 and X3 are unsubstituted methylene moieties, X2 and X4 are each independently selected from a substituted or unsubstituted methylene moiety, X is a substituted or unsubstituted C1-C10 alkylene moiety, arylene moiety or heteroarylene moiety, R2 is selected from Li, H, an alkyl moiety, or a heteroalkyl moiety, 0<m?1, 0?n?1, and m+n=1.

Abstract: The fuel cell unit comprises a fuel cell including a cell stack with a plurality of stacked cells; a cell monitor which monitors one or more of the plurality of stacked cells; a control device connected with the cell monitor via a communication cable; a first case which places the fuel cell therein; and a second case which places the control device therein and fixed to an upper surface of the first case. The cell monitor includes a connector portion protruded from the first case and provided with a connection connector which is connected with a communication connector of the communication cable. The second case includes an insertion space for receiving the connector portion when the second case is fixed to the first case and further includes a connector opening in a surface opposed to the connection connector when the connector portion is inserted in the insertion space.