Abstract: Battery assemblies, vehicles with battery assemblies, and methods for manufacturing batteries are provided. A method for manufacturing a battery includes providing a stack of electrodes, wherein each electrode is electrically connected to a foil; clamping first electrode foils with a first clamp; laser welding the first electrode foils to the first clamp; locating a cap plate over the first clamp; and laser welding the cap plate to the first clamp.

Abstract: A method for molding a part includes providing a mold including a first mold half and a second mold half defining a first cavity and a second cavity. The first cavity defines a shape of a first part portion and a projecting portion. The second cavity defines a shape of a second part portion that at least partially surrounds the first part portion. The method includes closing the first mold half and the second mold half; injecting a first shot of molten plastic using a shot gate located along the projecting portion to mold the first part portion of the molded part, opening the second mold half; trimming the projecting portion using a laser; rotating at least one of the first mold half and the second mold half; closing the second mold half; and injecting a second shot into the mold to form the second part portion.

Abstract: A light emitting device, a light emitting substrate, a backlight module and a display apparatus are provided. The light emitting device includes: a base substrate; a plurality of light emitting units, located on the base substrate and connected in series; a first electrode, connected with one end of the plurality of light emitting units connected in series; a second electrode, connected with the other end of the plurality of light emitting units connected in series; and a bridge electrode, connecting two light emitting units among the plurality of light emitting units; an orthographic projection of at least one of the first electrode and the second electrode on the base substrate overlaps with orthographic projections of at least two light emitting units among the plurality of light emitting units on the base substrate.

Abstract: A prismatic battery cell includes a cell can having a plurality of walls including a base wall, a first side wall, a second side wall, and a rear wall that collectively form an electrode stack receiving zone, a cap is mounted to the cell can, the cap forming a top wall and includes a terminal. A plurality of electrodes is arranged in the electrode stack receiving zone. The plurality of electrodes include a plurality of terminal foils. An interface system includes a connector assembly joining the plurality of terminal foils with the terminal. The connector assembly includes a first connector member and a second connector member. The plurality of terminal foils is arranged between and joined to the first connector member and the second connector member.

Abstract: A battery cell, a method of welding electrode foils in a battery, and a method of forming a battery cell. The battery includes a foil stack. The foil stack includes a plurality of foil tabs each extending from a current collector and at least one internal terminal lead. The battery further includes a weld joint formed between the plurality of foil tabs and the at least one terminal lead in the foil stack. A portion of the weld joint includes a weld nugget extending across the plurality of foils into the internal terminal lead, and the remainder of the weld joint includes a diffusion bonding zone extending around at least a portion of the weld nugget.

Abstract: A battery cell includes a battery can having a can bottom, a can top, a pair of can side walls, at least one seam, an electrode assembly disposed within the battery can, a thermally conductive junction disposed between the electrode assembly and an inside surface of the can bottom, and a pair of end cap plates. Each of the pair of end cap plates is disposed at opposing ends of the battery can. A top side of the thermally conductive junction is disposed adjacent to bottom edges of the electrode assembly, and a bottom side of the thermally conductive junction is fixedly attached to the inside surface of the can bottom, such that the thermally conductive junction electrically isolates the bottom edges of the electrode assembly from the battery can.

Abstract: A battery includes a prismatic cell can formed from steel. The prismatic cell can includes a first end, a second end spaced from the first end, a top surface, a bottom surface, a first side surface, and a second side surface that define a hollow can cavity. An anode current collector includes an anode foil tab. A cathode current collector includes a cathode foil tab. An anode terminal lead is secured to the anode foil tab. A cathode terminal lead is secured to the cathode foil tab. The anode current collector and the cathode current collector form an electrode stack arranged in the hollow can cavity with the anode terminal lead being connected to the bottom surface of the prismatic cell can forming a direct thermal pathway through the electrode stack to the bottom surface.

Abstract: A system configured to detect leakage of an electrolyte from a battery cell. The system includes: a probe configured to contact the battery cell and create an air-tight connection between the probe and the battery cell over a fill port of the battery cell that has been closed with a seal; a pump in fluid communication with the probe, the pump configured to draw a vacuum through the probe; a housing defining a chamber including a window, the probe extends from the housing, the pump is connected to the housing to draw the vacuum through the probe into the chamber; and a sensor configured to detect presence of the electrolyte within the chamber pulled from the battery cell through the seal of the fill port by the vacuum generated by the pump, presence of the electrolyte within the chamber is indicative of the seal of the fill port of the battery cell being compromised.

Abstract: A light emitting device and a preparation method therefor, and a light emitting substrate and a preparation method therefor are provided. The light emitting device includes an underlay substrate, a light emitting functional layer disposed on the underlay substrate, and a reflective layer disposed on the underlay substrate and covering at least part of the light emitting functional layer, the reflective layer includes a first material layer and a second material layer, the first material layer and the second material layer are stacked along a thickness direction of the underlay substrate, the first material layer includes an atomic crystal material, the first material layer is at one side of the second material layer away from the underlay substrate, and a surface of the first material layer away from the second material layer is formed as a surface of the reflective layer away from the underlay substrate.

Abstract: A method for manufacturing a prismatic battery assembly includes disposing a plurality of current collector tabs at least partially through a slot of a cap of an enclosure. The plurality of current collector tabs are electrically connected to respective current collectors of an electrode stack and extend from an end of the electrode stack. The enclosure accommodates the electrode stack. The cap has an interior side that extends along the end of the electrode stack and an exterior side opposite the interior side. The slot is formed through the cap between the exterior side and the interior side. With the plurality of current collector tabs disposed at least partially through the slot, the method includes electrically connecting the plurality of current collector tabs to a terminal plate disposed at the exterior side of the cap and hermetically sealing the enclosure.

Abstract: A light-emitting device, a display apparatus and a backlight apparatus are provided. The light-emitting device includes a sub-light-emitting unit. The sub-light-emitting unit includes: a first semiconductor layer; a second semiconductor layer, stacked with the first semiconductor layer and having a material different from a material of the first semiconductor layer; a light-emitting layer, located between the first semiconductor layer and the second semiconductor layer; a current spreading layer, located on a side of the first semiconductor layer away from the second semiconductor layer; and an insulating layer, located between the current spreading layer and the first semiconductor layer. The current spreading layer and the second semiconductor layer are electrically connected with the first semiconductor layer through a via hole penetrating the insulating layer.

Abstract: A leak detection system for a battery enclosure for one of a rechargeable energy storage system, a battery cell, a battery module, and/or a battery pack includes a gas delivery system configured to selectively provide a trace gas to the battery enclosure. A first optical gas imaging sensor is configured to generate images of a surface of the battery enclosure after the gas delivery system charges the battery enclosure with trace gas. The images are used to selectively detect a gas cloud adjacent to the surface of the of the battery enclosure. The gas cloud is used to determine a location of a gas leak on the surface of the battery enclosure.

Abstract: A display substrate, which includes a plurality of first light-emitting diode chips, each first light-emitting diode chip includes a plurality of light-emitting structures, the first substrate comprises a first pixel and a second pixel, the first pixel comprises a light-emitting structure of one first type light-emitting diode chip and a light-emitting structure of one second type light-emitting diode chip, the second pixel comprises a light-emitting structure of one first type light-emitting diode chip and a light-emitting structure of one second type light-emitting diode chip, the first type light-emitting diode chip included in the first pixel and the first type light-emitting diode chip included in the second pixel are the same first type light-emitting diode chip, the second type light-emitting diode chip included in the first pixel and the second type light-emitting diode chip included in the second pixel are different second type light-emitting diode chips.

Abstract: Disclosed herein are system, method, and computer program product aspects for generating a virtual replica of a physical network. An aspect operates by receiving, from a network management system (NMS), a request to generate a network digital twin (network-DT) instance corresponding to a physical network that includes a plurality of physical network devices, where the request includes link connectivity information corresponding to the physical network and a respective plurality of device characteristics corresponding to each of the plurality of physical network devices. A plurality of device digital twin (device-DT) instances are generated, each corresponding to a respective physical network device of the plurality of physical network devices, where each device-DT instance of the plurality of device-DT instances is generated based on the respective plurality of device characteristics corresponding to the respective physical network device.

Abstract: Aspects of the disclosure include a joining strategy for resistance spot welding joints and components manufactured using the same. An exemplary vehicle includes a welded component having two or more layers. The welded component includes a first metal layer having a first conductivity and a second metal layer having a second conductivity. The first metal layer and the second metal layer are joined at a faying interface of a resistance spot-weld joint. The resistance spot-weld joint includes a continuous intermetallic layer at the faying interface directly between the first metal layer and the second metal layer and a pair of laser welds positioned on opposite sides of the continuous intermetallic layer. The pair of laser welds penetrate through the second metal layer and terminate within the first metal layer. The pair of laser welds extend into the first metal layer beyond a topmost surface of the continuous intermetallic layer.

Abstract: A battery system including a battery cell. The battery cell including: an enclosure including a first end, a second end opposite to the first end, and a sidewall extending from the first end to the second end; a first terminal at a first end of the enclosure and a second terminal at a second end of the enclosure; an assembly of an anode electrode and a cathode electrode within the enclosure, the cathode electrode is connected to the first terminal and the anode electrode is connected to the second terminal; and a vent in the sidewall of the enclosure, the vent configured to open to release at least one of gas and ejecta out from within the enclosure when pressure within the enclosure exceeds a threshold.

Abstract: A method for consolidating a foil tab stack is provided. The method includes combining foil tabs of an electrode stack in a battery cell to form a combined foil tab stack. Additionally, the method includes hot-pressing the combined foil tab stack using heated pressing dies to form a consolidated foil tab stack. Further, the method includes laser welding the consolidated foil tab stack to a terminal lead using a laser welder.

Abstract: Disclosed herein are system, method, and computer program product aspects for generating a virtual replica of a physical network. An aspect operates by receiving, from a network management system (NMS), a request to generate a network digital twin (network-DT) instance corresponding to a physical network that includes a plurality of physical network devices, where the request includes link connectivity information corresponding to the physical network and a respective plurality of device characteristics corresponding to each of the plurality of physical network devices. A plurality of device digital twin (device-DT) instances are generated, each corresponding to a respective physical network device of the plurality of physical network devices, where each device-DT instance of the plurality of device-DT instances is generated based on the respective plurality of device characteristics corresponding to the respective physical network device.

Abstract: A light-emitting diode chip, a display substrate and a manufacturing method thereof are disclosed. The light-emitting diode chip includes a first conductive type semiconductor layer, a light-emitting layer, at least two second conductive type semiconductor layers, and at least two first electrodes; the at least two second conductive type semiconductor layers are at a side of the light-emitting layer away from the first conductive type semiconductor layer, the at least two first electrodes are electrically respectively connected with the at least two second conductive type semiconductor layers. Orthographic projections of the at least two second conductive type semiconductor layers on the first conductive type semiconductor layer are spaced apart from each other, and orthographic projections of the at least two first electrodes on the first conductive type semiconductor layer are spaced apart from each other.

Abstract: An enclosure for a prismatic battery cell includes an enclosure body including sides, a lid portion, and a bottom portion. The enclosure body is made of steel. A layer is arranged on the enclosure body and includes a material having a higher thermal conductivity than the steel. The layer includes a coating layer or a clad layer.