Abstract: A battery module for constructing a drive battery for a motor vehicle includes a carrier and a plurality of battery cells that are connected to the carrier by means of a casting compound, wherein a venting duct is provided in the casting compound so as to discharge gases from a damaged battery cell. A production method for a battery module of this type is also provided.

Abstract: The present disclosure provides an end cover assembly, an energy storage apparatus, and an electric device. The end cover assembly includes a top cover, an explosion-proof sheet, and a shielding member. The top cover has a first surface and a second surface facing away from the first surface. The top cover further has an explosion-proof hole through the first surface and the second surface. The explosion-proof sheet is configured to seal the explosion-proof hole and is connected to the top cover. The shielding member is located at a side of the explosion-proof sheet close to the second surface and is connected to the top cover. The top cover, the explosion-proof sheet, and the shielding member form a chamber. The shielding member has a first air vent in communication with the chamber.

Abstract: The disclosed technology relates to a battery utilizing an indicator to orient an unopposed portion of a cathode or anode with respect to a battery can, and a tag to generate an electromagnetic field to mitigate or eliminate an electromagnetic field generated by the unopposed portion of the cathode or anode. The battery includes a wound set of layers including a cathode, an anode, and a separator; a can housing the wound set of layers; a lid disposed atop of the can to enclose the wound set of layers within the can; and a tag coupled to the lid. An unopposed portion of the cathode or anode generates a first electromagnetic field. The tag generates a second electromagnetic field to oppose the first electromagnetic field.

Abstract: A power consuming device includes an energy storage device. The energy storage device includes a supporter, a pole, a stimulus-response member, a connector, and an electrode assembly. The supporter has a first side and a second side opposite to the first side. The supporter defines a mounting hole and a vent hole. The mounting hole is spaced apart from the vent hole in a length direction of the supporter. The connector includes a first connecting part and a second connecting part. The first connecting part is connected to the second connecting part. The first connecting part is opposite to the second connecting part when the first connecting part is folded relative to the second connecting part. The first connecting part is connected to the pole. The second connecting part extends toward the vent hole and partially shields the vent hole in a thickness direction of the supporter.

Abstract: An electrode assembly includes a plurality of unit cells each equipped with a pair of electrodes having different polarities. Electrode tabs protrude from the electrodes. The electrode tabs including at least one electrode parallel connection tab and at least one electrode lead connection tab. In a first unit cell of the plurality of unit cells, a current collector of a first electrode among the pair of electrodes is made of a different material from a current collector of a second electrode among the pair of electrodes having the different polarity.

Abstract: This application provides a battery, an electric apparatus, and a method and a device for preparing battery, relating to the field of battery technologies. The battery includes a battery cell having an electrode terminal; a fire prevention pipeline, configured to accommodate a fire prevention medium; and a fastener, configured to fasten the fire prevention pipeline. The fastener is connected to the electrode terminal.

Abstract: A battery unit includes at least one battery module, a cooling device configured to deliver a cooling gas configured to cool the battery module to the battery module, and a junction board mounted with a wiring component configured to electrically connect the battery module and an external device and allow a charging power and/or a discharging power of the battery module to flow. The junction board is disposed above the cooling device at a position where at least a part of the junction board overlaps the cooling device when viewed from an upper-lower direction.

Abstract: A cap assembly is disclosed that creates a gas-tight seal with a cell can housing. The cap assembly has an outer surface, an inner surface and a perimeter edge. The cap assembly further includes an electrolyte injection port forming a port opening between the outer surface and the inner surface, a vent constructed to form a vent opening from the inner surface to the outer surface when a vent pressure differential is achieved between an outer surface pressure and an inner surface pressure. The vent is positioned (a) concentric to the electrolyte injection port, and (b) closer to the perimeter edge than the position of the electrolyte injection port.

Abstract: An electrochemical element (Q) has a metal substrate (1) and multiple electrochemical reaction portions. The metal substrate (1) has gas flow allowing regions that allow the flowing of a gas between the upper side (4) and the lower side (5) of the metal substrate (1). The electrochemical reaction portions each have at least an electrode layer (A), an electrolyte layer (B), and a counter electrode layer (C), and are arranged on the upper side (4) of the metal substrate (1). The electrolyte layer (B) is arranged between the electrode layer (A) and the counter electrode layer (C), and the gas flowing through the gas flow allowing regions is supplied to the electrode layer (A).

Abstract: Provided is a metal-air battery and a method of using the same that make it possible to simplify replacement work while also sustaining high output effectively. The metal-air battery of the present invention comprises a cell unit provided with a plurality of metal-air battery cells in parallel, each metal-air battery cell being configured to include a metal electrode, an air electrode disposed facing the metal electrode, and a housing that supports the metal electrode and the air electrode. The metal-air battery also comprises handles for example that act as a first replacing means enabling the replacement of the entire cell unit. With this arrangement, it is possible to simplify replacement work while also sustaining high output effectively.

Abstract: A laminate useful as cell-to-cell battery insulation, the laminate having an insulating area and a periphery seal area, the insulating area comprising, in order: a first outer layer of paper comprising aramid material and mica; an inner layer comprising a felt or paper of inorganic short fibers; and a second outer layer of paper comprising aramid material and mica; the periphery seal area being void of the inner layer and being formed by adhering the first and second outer layers of paper to one another; wherein the periphery seal area extends around the periphery of the insulating area.

Abstract: An solid oxide fuel cell stack having a metallic layer and a glass layer, and a method for preventing or reducing a chemical reaction between a metallic layer and a glass layer are disclosed. The solid oxide fuel cell stack has a barrier layer disposed between the metallic layer and the glass layer. The barrier layer includes alumina and a phosphate. The phosphate includes an aluminum dihydrogen phosphate, an aluminum-containing phosphate, a phosphate of an element of the metallic layer, a phosphate of an element of the glass layer, or combinations thereof. The method includes disposing a barrier layer between the metallic layer and the glass layer.

Abstract: A system for a venting seal for battery modules in an electric aircraft is presented. The system includes a plurality of battery modules, wherein each battery module comprises a vent conduit, a contactor configured to disengage at least a catalyst battery module as a function of a thermal event, and an electrical bridging device configured to seal off the at least a catalyst battery module as a function of an independent seal, disengage the at least a catalyst battery module from the remaining plurality of battery modules, and transfer electrical energy across the plurality of battery modules.

Abstract: An electrochemical device includes a cathode, a separator and an anode. The cathode includes a cathode current collector, a first cathode active material layer including a first cathode active material, a second cathode active material layer including a second cathode active material, and an insulating layer. The first cathode active material layer is disposed between the cathode current collector and the second cathode active material layer, and the first cathode active material layer is disposed on a first region of a surface of the cathode current collector facing an anode active material layer of the anode, and the thickness of the first cathode active material layer is greater than Dv50 of the first cathode active material. The insulating layer is disposed on a second region of the surface of the cathode current collector not facing the anode active material layer of the anode.

Abstract: Disclosed are an electrolyte membrane for a lithium-air battery, a method of manufacturing the same, a cathode for a lithium-air battery, a method of manufacturing the same, and a lithium-air battery including the electrolyte membrane and the cathode. Particularly, the lithium-air battery includes i) an electrolyte membrane, which is manufactured using an inorganic melt admixture including two or more nitrogen-oxide compounds and thus may have a very low eutectic point, and ii) a cathode, which is manufactured by reducing a metal at a fast speed on a carbon material. As such, the lithium-air battery is capable of stably operating even at low temperatures and providing high power output.

Abstract: A battery includes a cylindrical battery cell having a cylindrical side surface provided with a pressure relief mechanism, an electrical chamber configured to accommodate the battery cell, a collection chamber configured to collect emissions from the battery cell when the pressure relief mechanism is actuated, and an isolation component configured to isolate the electrical chamber from the collection chamber. The isolation component includes a first region and a second region. The first region is used for accommodating a first portion of the battery cell such that the first portion protrudes, towards the collection chamber, from a surface of the second region facing towards the collection chamber, and the pressure relief mechanism is disposed in a region of the cylindrical side surface located in the first portion such that the emissions are allowed to enter the collection chamber when the pressure relief mechanism is actuated.

Abstract: A cover plate assembly, a battery, and a method for assembling a battery are provided. The cover plate assembly includes a cover plate, a pole, and an explosion-proof assembly. The cover plate includes a cover plate body and a carrier portion. The cover plate body is disposed around an external periphery of the carrier portion. The carrier portion is recessed from a first surface of the cover plate body. The carrier portion and the cover plate body cooperatively define a first recess communicating with a first through hole defined by the carrier portion. The pole is disposed in the first recess. The pole abuts against the carrier portion. The explosion-proof assembly includes an explosion-proof valve and a protective sheet. The explosion-proof valve and the protective sheet are disposed in a second through hole defined by the pole. The explosion-proof valve is spaced apart from the protective sheet.

Abstract: A pouch forming method and a pouch forming device are provided. In particular, the pouch forming method for forming an accommodation part that accommodates an electrode assembly in a pouch sheet includes a seating process of seating the pouch sheet on a top surface of a lower die in which a forming groove is formed in an upper portion thereof. In a vacuum elongation process, a lower portion of the pouch sheet, in which the accommodation part is formed, is elongated by vacuum, and in an accommodation part formation process, the portion of the pouch sheet, which is elongated by the vacuum, is pressed by a punch disposed above the pouch sheet in a direction in which the forming groove is formed to form the accommodation part.

Abstract: Embodiments of this application provide a box, a battery, and an apparatus, and relate to the field of battery technologies. The box is provided with a discharge hole, and the discharge hole is configured to discharge, from inside the box, flame produced when thermal runaway occurs in a battery cell. The box is further provided with a fire extinguishing member that is configured to extinguish the flame for cooling when the flame passes through the discharge hole. In this application, the discharge hole and the fire extinguishing member are arranged in the box, so that when the flame produced when thermal runaway occurs in the battery cell passes through the discharge hole, the fire extinguishing member can release a fire extinguishing agent to extinguish the flame for cooling. This prevents the flame from being discharged from inside the box through the discharge hole, thereby improving safety performance of the battery.

Abstract: An energy storage module includes: a cover member accommodating a plurality of battery cells in an internal receiving space, the battery cells being arranged in a first direction, each of the battery cells including a vent; a top plate coupled to a top of the cover member and including a duct corresponding to the vent of each of the battery cells; a top cover coupled to a top of the top plate and having a discharge opening corresponding to the duct; and an extinguisher sheet between the top cover and the top plate, the extinguisher sheet being configured to emit a fire extinguishing agent at a reference temperature.