Abstract: The present invention relates to an electrode lead made of dissimilar metals and a method of manufacturing the same, and more particularly to an electrode lead including a first metal plate and a second metal plate, wherein a first metal constituting the first metal plate and second metals having a lower melting temperature than the first metal are mixed in the second metal plate in the state in which the second metals are dispersed, and a method of manufacturing the same.

Abstract: The present invention relates to an electrolyte additive including a compound represented by Chemical Formula 1, an electrolyte including the electrolyte additive, and a secondary battery including the electrolyte. R1 and R2 are each independently an alkylene group having 1-5 carbon atoms; E1 is a bond, an alkylene group having 1-3 carbon atoms, or a cyclic carbonyl group, ether group, or ester group having 2-5 carbon atoms; R3 is a substituted or unsubstituted linear or cyclic carbonate group, carbonyl group, ether group, phosphate group, sulfonate group, or sulfate group having 2-5 carbon atoms; the substitution refers to substitution with one or more selected from F, Cl, Br, and I or an alkenyl group having 1-3 carbon atoms; E2 is a bond or a saturated or unsaturated alkylene group or ether group having 1-3 carbon atoms; and n is 0 or 1.

Abstract: A battery pack includes a housing, a plurality of assembled batteries disposed in the housing, obtaining units arranged one for each of the assembled batteries in the housing, and the monitoring device equipped with a master antenna. The obtaining units obtain battery information about the assembled batteries and transmit it to the master antenna of the monitoring device through wireless communication using slave antennas. The master antenna and/or the slave antennas are each implemented by a directional antenna which emits a radio wave to be higher in power in a given directional direction than in a given undirectional direction. This minimizes a risk of a communication failure arising from radio wave interference.

Abstract: Methods and systems are provided for predictive thermal models for determining current and power capabilities of battery components of a battery-powered system. In one example, a method may include measuring a reference temperature of a first component of the battery-powered system, correlating a target temperature of a second component of the battery-powered system to the reference temperature, determining a maximum current manageable by the second component over a predetermined duration based on the target temperature, and responsive to an actual current at the second component being requested greater than the maximum current during the predetermined duration, adjusting one or more operating conditions of the battery-powered system to maintain the actual current below the maximum current. In some examples, the first component may be different from the second component.

Abstract: The present disclosure provides a fuel cell system of a mobility and a method for controlling a fuel cell including a control unit configured to control a remaining current of a fuel cell to be consumed by a plurality of accessories, to select an accessory that is a target to consume the remaining current among the plurality of accessories depending upon a temperature condition and a level of a consumable power of the accessory, and to set a priority of the selected accessories.

Abstract: A battery module includes: a battery cell assembly including a plurality of battery cells adjacent to each other and stacked in parallel and a plurality of electrode leads protruded from respective ones of the plurality of battery cells; and a module cover accommodating the battery cell assembly, wherein the module cover includes an upper cover part exposing the plurality of electrode leads while covering an upper surface and a side surface of the battery cell assembly and a bus bar frame part coupled with the upper cover part and integrally formed with the upper cover part at a position corresponding to the plurality of electrode leads exposed by the upper cover part, and wherein the bus bar frame part includes a plurality of bus bars electrically connected to respective ones of the plurality of electrode leads.

Abstract: An interconnection for a battery comprising a plurality of cells having connection tabs. The interconnection comprises a first electrically insulating substrate, a heat sink, a plurality of tab-receiving regions, a plurality of aperture and electrically insulating material. The first electrically insulating substrate has a first face on a first side of the interconnection and a second face. The heat sink is thermally connected to the second face of the first substrate. The plurality of tab-receiving regions comprise electrically conducting material on the first side of the interconnection for receiving connection tabs of the cells. The plurality of apertures extend through the interconnection, wherein the apertures are arranged to allow connection tabs of the cells to extend from a second side of the interconnection, through the apertures, and to the first side of the interconnection for establishing contact with the tab-receiving regions on the first side of the interconnection.

Abstract: A fuel tank heat dissipation system for fuel cell (FC) cooling is disclosed. In one example, at least one FC is in thermal communication with an intermediary heat exchanger. A fuel tank is also in fluid communication with the intermediary heat exchanger. A fluid is used to receive heat from the intermediary heat exchanger and flow along a first fluid path to the fuel tank. A nozzle is used to spray the fluid about an interior surface of the fuel tank, where the spray of the fluid about the interior of the fuel tank allows the fluid to dissipate the heat. A second fluid path from the fuel tank to the intermediary heat exchanger, the second fluid path to return the fluid that has dissipated the heat to the intermediary heat exchanger.

Abstract: Proposed are a fuel cell membrane humidifier and a fuel cell system having the same in which humidification by moisture exchange and cooling by heat exchange are performed in one membrane humidifier such that the fuel cell system can be simplified and be miniaturized. The fuel cell membrane humidifier includes a housing part having a space divided by a partition, a humidification module formed in a first portion of the divided space and having a plurality of hollow fiber membranes allowing a first fluid flowing thereinside to perform moisture exchange with a second fluid flowing thereoutside, a heat exchange module formed in a second portion of the divided space and configured to cool a first fluid flowing inside the heat exchange module, and a flow control part configured to actively control a flow direction of the first fluid.

Abstract: An energy storage unit capable of controlling a thermal runaway, comprising an enclosure for housing battery modules for energy storage, a movable panel configurable between a closed position and an open position, a controllable actuator, connected to the movable panel, for moving the movable panel from the closed position to the open position, at least one sensor capable of measuring environmental parameters of the interior of the enclosure and a control unit connected to the sensor and the controllable actuator, for automatically activating the actuator and moving the panel from the closed position to the open position when at least one of the measured environmental parameters is indicative of thermal runaway, so that heat and explosive gases generated by the thermal runaway can escape outside the enclosure. A method for controlling a thermal runaway phenomenon of an energy storage unit comprising battery modules is also described.

Abstract: A lead-acid battery monitoring apparatus includes: sensor units attached to lead-acid batteries connected in series and/or in parallel; and a control unit capable of wireless communication connection with the sensor units. The control unit receives a setting as to whether to prohibit or permit alarm output for each of the lead-acid batteries.

Abstract: According to one embodiment, provided is an air battery including a negative electrode, an air electrode to which oxygen is supplied, a solid electrolyte layer positioned between the negative electrode and the air electrode, an aqueous electrolyte layer positioned between the solid electrolyte layer and the air electrode, and a proton conduction layer positioned between the aqueous electrolyte layer and the air electrode. The aqueous electrolyte layer includes an aqueous electrolyte including a polyprotic acid having two or more carboxyl groups, an electrolyte salt, and water.

Abstract: A metal-air battery including a positive electrode layer that includes a lithium-ion conductive solid electrolyte membrane and a porous electroconductive metal oxide represented by Formula 1, wherein the electroconductive metal oxide has a specific surface area of about 0.01 m2/g to about 1000 m2/g, LxRuyOx??Formula 1 wherein, in Formula 1, L is at least one of a lanthanide element or an actinide element, and 0<x<1, 0<y<1, and 0<z?1. a negative electrode layer, and an electrolyte disposed between the positive electrode layer and the negative electrode layer.

Abstract: Provided is a method for easily producing a thin-membrane solid electrolyte body. A molded body (11) of a first ceramic is prepared, and the molded body (11) is fired in a first temperature range to prepare a porous body (110). A thin membrane-shaped molded body (12) composed of a second ceramic containing a solid electrolyte is prepared on at least a part of a surface of the porous body (110). A dense body (120) is prepared by firing the thin membrane-shaped molded body (12). As a result, a solid electrolyte body (1) including the porous body (110) as a support and the dense body (120) of a thin membrane-shaped electrolyte integrally formed with at least a part of the surface of the porous body (110), is produced.

Abstract: A composition for manufacturing an electrode, the composition including an electrically conductive carbon-based compound, at least one species able to form a catalyst, and cellulose microfibrils encapsulating chitosan. The cellulose microfibrils create a fibrous mesh binding the composition while limiting coating of the catalyst. Thus, the catalyst remains accessible to the surrounding environment, to allow the redox reactions at the electrode. The electrochemical performances of the electrode are consequently improved. The composition is furthermore particularly adapted for shaping an electrode by 3D printing.

Abstract: A traction battery assembly includes, among other things, an array sense lead header of a battery array, a plurality of sense leads extending from the array sense lead header to areas of the battery array, and a battery pack module having a module connector. The battery pack module is configured to move relative to the battery array from a disengaged position where the module connector the array sense lead header are disengaged to an engaged position where the module connector and the array sense lead header are engaged.

Abstract: A device is described for connecting in parallel multiple battery cells (2) arranged in parallel to one another with respect to a joining axis using a contact plate (1) having individual passages (3). To enable a connection in parallel, which is reliable under periodic mechanical strains and nonetheless detachable, of individual battery cells (2) independently of their diameter and their relative location to the contact plate (1), wherein a simple assembling procedure can be maintained and a more flexibly designed serial interconnection of the battery cells can be enabled, it is proposed that each passage (3) is designed for the jacket-side enclosure of the battery cells (2) and comprises at least one contact tongue (4), which has on the passage side a contact body (5) protruding from the contact tongue (4) into the passage (3) in the form of a cut ovoid.

Abstract: A method of preparing a positive electrode active material precursor for a secondary battery includes continuously adding a nickel (Ni), cobalt (Co), and manganese (Mn) transition metal cation-containing solution, an alkaline solution, and an ammonium ion-containing solution to a reactor, and forming a positive electrode active material precursor, in which nickel (Ni) and cobalt (Co) are in non-oxidized hydroxide forms and manganese (Mn) is in an oxidized form, by co-precipitation while a gas is not added or an oxygen-containing gas is continuously added to the reactor. A positive electrode active material precursor for a secondary battery is also provided which includes nickel (Ni), cobalt (Co), and manganese (Mn), wherein the nickel (Ni) and the cobalt (Co) are in non-oxidized hydroxide forms, and the manganese (Mn) is in an oxidized form.

Abstract: A solid-state battery that includes: a solid battery laminate including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer along a lamination direction; a positive electrode terminal on a first side surface of the solid battery laminate, and the positive electrode layer is in electrical contact with the positive electrode terminal at the first side surface; and a negative electrode terminal on a second side surface of the solid battery laminate, and the negative electrode layer is in electrical contact with the negative electrode terminal at the second side surface, wherein, in a plan view of the solid-state battery, at least one of the positive electrode layer and the negative electrode layer has a tapered portion wherein a dimension thereof decreases toward the first side surface or the second side surface, respectively.

Abstract: A power storage module includes power storage elements having electrode surfaces of positive electrode surfaces and negative electrode surfaces on front and back surfaces thereof, a conductive member electrically connected to the electrode surfaces of the power storage elements, and a wiring module electrically connected to the conductive member. The power storage elements are arranged in an arrangement direction such that the electrode surfaces of the power storage elements that are adjacent to each other are opposed to each other. The electrode surfaces of the power storage elements that are adjacent to each other are electrically connected by the conductive member that is disposed between the power storage elements that are adjacent to each other. The wiring module is disposed between the power storage elements that are adjacent to each other. The conductive member and the wiring module are disposed inside an outline of the power storage elements seen from the arrangement direction.