Abstract: A laminated battery disclosed herein includes an electrode body, a laminated exterior body, and positive and negative electrode terminals. At least one of the positive and negative electrode terminals is configured of a plate-shaped clad material in which a first metal and a second metal, which are different from each other, are joined to each other, and a tab film composed of a resin material is arranged on the surfaces of the first metal and the second metal of the clad material. The boundary region of the first metal and the second metal of the clad material is not exposed to the outside of the exterior body, and the tab film is arranged at a peripheral edge portion close to the boundary region, excluding the boundary region, on the wide surface of the clad material, and the tab film is welded to the exterior body.

Abstract: A nonaqueous electrolyte secondary battery separator which has a low shutdown temperature, a high mechanical strength, and a high ion permeability is provided. The nonaqueous electrolyte secondary battery separator contains a polyolefin-based resin as a main component. The nonaqueous electrolyte secondary battery separator has a maximum heating value of not less than 30 mW/g observed during isothermal crystallization of the nonaqueous electrolyte secondary battery separator at 128° C.

Abstract: A method for manufacturing a secondary battery includes a cap assembly manufacturing step to provide a cap assembly having a top cap having a top hole, a safety vent having a vent hole, and a CID filter having a CID hole; an electrode assembly and electrolyte accommodating step of accommodating an electrode assembly into a can and injecting an electrolyte; a preliminary battery manufacturing step which comprises a disposing process of disposing the cap assembly above the can and a coupling process of coupling a positive electrode tab provided in the electrode assembly to a bottom surface of the CID filter of the cap assembly; an activation step of charging and discharging the preliminary battery; and a gas discharging step of pressing downward the positive electrode tab in contact with the CID filter, thereby opening the CID hole and discharging a gas generated inside the can.

Abstract: The invention provides a battery module with cooling cartridge and battery system thereof. The cooling cartridge is utilized to be disposed between the battery units stacked in a single axis. The supporting portion of the cooling cartridge is directly contacted in a large area to the current collecting sheet of the battery unit. And the wing portions, extended from the two sides of the supporting portion, are directly contacted to the inner sidewalls of the metal housing. Therefore, a large-area heat dissipating path for the battery cell is provided, and the performance and stability of the battery cell are greatly improved.

Abstract: Methods and systems are provided for a battery thermal management system. In one example, a method includes increasing coolant to a battery above a currently demanded battery cooling in response to a predicted battery temperature exceeding a threshold temperature at an upcoming location.

Abstract: A stack fuel cell array featuring paired fuel-cell systems combined to generate 540 VDC for a rotorcraft. Power from the hydrogen-based fuel cells is provided to the rotorcraft. A rated electrical load of the rotorcraft helps determine how many paired fuel-cell systems are needed during any fuel-cell systems failures. Each of the paired fuel-cell systems is coupled to an electrical load of the rotorcraft. The system detects any fuel cell failures and removes other working fuel cells as needed to balance the electrical system.

Abstract: Embodiments described herein relate to electrochemical cells with one or more electrodes coupled directly to a film material, and methods of making the same. In some embodiments, an electrochemical cell includes a first electrode material disposed on a first current collector, wherein the first current collector is coupled to a first non-conductive film. In some embodiments, a first tab is coupled to the first current collector. The electrochemical cell further includes a second electrode material capable of taking up or releasing ions during operation of the electrochemical cell. The second electrode material is coupled directly to a second non-conductive film. A second tab is electronically coupled to the second electrode material. A separator is disposed between the first electrode material and the second electrode material. In some embodiments, the second tab can be coupled directly to the second electrode material.

Abstract: A heat to electricity converter including a working fluid and a pair of membrane electrode assemblies (MEA) is provided. Each MEA includes a pair of electrodes which are electron conductive and permeable to the working fluid, and a thin film electrolyte membrane sandwiched between the electrodes. The membrane is conductive of ions of the working fluid and has a thickness of 0.03 ?m to 10 ?m. At least one electrode of each MEA includes a non-porous and dense metal. One electrode of each MEA is in contact with the working fluid at a first, higher pressure, while the other electrode is in contact with the working fluid at a second, lower pressure. The first MEA is configured to compress the working fluid from the second pressure to the first pressure, while the second MEA is configured to expand the working fluid from the first pressure to the second pressure.

Abstract: A method fastens a battery control unit to a battery housing. At least one spacer is fastened to the battery housing, and the battery control unit is fastened to the battery housing at least via the spacer. After fastening the spacer to the battery housing, the spacer is reworked by way of an ablative method on a side which faces the battery control unit to a height which is required for fastening the battery control unit.

Abstract: The all-solid-state battery includes a positive electrode layer, a separator layer, and a negative electrode layer. The separator layer includes a sulfide solid electrolyte. In a cross section parallel to the thickness direction of the separator layer, a line analysis is performed by SEM-EDX to measure an atom concentration of sulfur and an atom concentration of iodine on a straight line extending from the negative electrode layer to the positive electrode layer in parallel to the thickness direction. A regression line is derived from the results of the line analysis, and the regression line has a slope of 0.019 to 0.036. The independent variable of the regression line is a position in the thickness direction of the separator layer. The dependent variable of the regression line is a ratio of the atom concentration of iodine to the atom concentration of sulfur.

Abstract: A battery module that effectively protects internal components from external impact and increases manufacturing efficiency is disclosed. The battery module includes a plurality of can type secondary batteries arranged to be laid down in a horizontal direction; a bus bar at least partially formed of an electrically conductive material to electrically connect the plurality of can type secondary batteries; and a module case in which an inner space is formed to accommodate the plurality of can type secondary batteries, and comprising an outer wall formed to surround the inner space and a bumper portion configured to protrude from an outer surface of the outer wall in an outer direction to absorb an external impact.

Abstract: Provided are a nickel-manganese composite hydroxide capable of producing a secondary battery having a high particle fillability and excellent battery characteristics when used as a precursor of a positive electrode active material and a method for producing the same. A nickel-manganese composite hydroxide is represented by General Formula: NixMnyMz(OH)2+? and contains a secondary particle formed of a plurality of flocculated primary particles. The primary particles have an aspect ratio of at least 3, and at least some of the primary particles are disposed radially from a central part of the secondary particle toward an outer circumference thereof. The secondary particle has a ratio I(101)/I(001) of a diffraction peak intensity I(101) of a 101 plane to a peak intensity I(001) of a 001 plane, measured by an X-ray diffraction measurement, of up to 0.15.

Abstract: An electrolyte for a rechargeable lithium-ion battery includes a solvent consisting of 10.0 wt. % to 35.0 wt. % carbonate-based solvent and 50.0 wt. % to 80.0 wt. % propionate-based solvent, 1.1M to 1.3M lithium salt, 0.1 wt. % to 12.0 wt. % of a phosphazene-based flame retardant, 1,3,6-hexanetricarbonitrile and succinonitrile together in a range of 0.1 wt. % to 5.0 wt. %, and 1.7 wt. % to 15.0 wt. % additives.

Abstract: The formation method of graphene includes the steps of forming a layer including graphene oxide over a first conductive layer; and supplying a potential at which the reduction reaction of the graphene oxide occurs to the first conductive layer in an electrolyte where the first conductive layer as a working electrode and a second conductive layer with a as a counter electrode are immersed. A manufacturing method of a power storage device including at least a positive electrode, a negative electrode, an electrolyte, and a separator includes a step of forming graphene for an active material layer of one of or both the positive electrode and the negative electrode by the formation method.

Abstract: An ion conductive layer can include a hygroscopic ion conductive material, such as a halide-based material. In an embodiment, the ion conductive layer can include an organic material, ammonium halide, or a combination thereof.

Abstract: Disclosed is a method for manufacturing a battery pack which has an upper plate configured to have a seating surface, on which battery modules are seated, and a plurality of members configured to separate the seating surface of the upper plate into a plurality of regions. The method includes calculating height tolerances of the seating surface in the respective regions, determining application amounts of the gap filler in the respective regions based on the calculated height tolerances in the respective regions, and applying the determined application amounts of the gap filler in the respective regions.

Abstract: A battery cover plate assembly, a cell, a battery module, a power battery, and an electric vehicle are provided. The battery cover plate assembly includes a cover plate, an inner lead-out member, and an outer electrode terminal. The inner lead-out member and the outer electrode terminal are electrically connected by using a current interrupt apparatus. A flipping member of the current interrupt apparatus is electrically connected to the outer electrode terminal. A score member is electrically connected to the inner lead-out member. A score is formed on the score member and is electrically connected to the flipping member. The inner lead-out member is mounted on the cover plate through a cover plate insulator. The cover plate insulator has a first engagement portion engaged with the cover plate and a second engagement portion engaged with the inner lead-out member.

Abstract: A fuel cell module includes a fuel cell stack, a plurality of accessories, a plurality of maintenance components, and a frame. The frame has a three-dimensional structure having an internal space. The fuel cell stack and the accessories are fixed to the frame in a state where they are accommodated in the internal space. In a plan view of the fuel cell module, the maintenance components are fixed to the frame in a state where the maintenance components are placed in an external space formed on one side from the frame from among external spaces formed outside the internal space.

Abstract: A cylindrical battery includes a bottom-closed cylindrical exterior package can which receives an electrode body. A lead connected to one of a positive electrode and a negative electrode of the electrode body is extended from the electrode body and is welded to a bottom portion of the exterior package can. When the bottom portion is viewed from the outside of the exterior package can, at least a part of the welding portion between the lead and the bottom portion formed by a molten mark is formed outside of a concentric circle of the bottom portion which has a diameter equivalent to the width of the lead.

Abstract: A fuel cell system includes a fuel cell in which cells are stacked, a voltage sensor that detects a voltage in unit of one or more of the cells, a control unit that determines an operating point of the fuel cell and causes the fuel cell to operate. The control unit causes the fuel cell to operate at a low efficiency operating point having a lower efficiency than an efficiency of a reference operating point in a warm-up operation. In the warm-up operation, the control unit calculates a total number of the cells in which the voltage detected by the voltage sensor is equal to or less than a predetermined first reference voltage and calculates an exhaust hydrogen concentration based on the total number or the cells.