Abstract: A battery cell including a case and an electrode assembly. The case having an accommodation portion in which the electrode assembly is mounted, and a sealing portion formed by sealing an outer periphery thereof. An electrode tab of the electrode assembly is electrically connected to an electrode lead that protrudes out of the case through the sealing portion. A lead film is located at a portion corresponding to the sealing portion in at least one of an upper portion or a lower portion of the electrode lead. The lead film has a dented portion recessed in an outer direction of the case and that is open toward the inside of the case. The sealing portion has an indented sealing portion that does not overlap with at least a part of the gas discharge portion on a plane.

Abstract: A battery module includes: a plurality of aligned battery cells having differently-oriented surfaces; a cell supervision circuit (CSC) configured to receive signals corresponding to the voltage and/or temperature of at least one of the battery cells; and a flexible interconnector comprising a strip-shaped flexible printed circuit (FPC). The FPC includes a first insulating main surface, a second insulating main surface opposite the first insulating main surface, and a plurality of thermally and/or electrically conducting lines between the first insulating main surface and the second insulating main surface. Each of the conducting lines has a contact portion exposed by a contact aperture in the first insulating main surface and/or in the second insulating main surface and a connecting portion for connection to the CSC, and the flexible interconnector wraps around the battery cells such that the contact portions contact the differently-oriented surfaces of the battery cells.

Abstract: Improved battery separators are disclosed herein for use in various lead acid batteries, and in particular lead acid battery strings. The improved separators, batteries, battery strings, methods, and vehicles disclosed herein provide substantially increased battery life, substantially reduced battery fail rate, and substantially higher voltage uniformity among the various batteries in a battery string. The improved battery strings may be advantageously employed in high depth of discharge applications such as electric bicycles, golf carts (or golf cars), uninterrupted power supply (UPS) backup power battery strings, and the like.

Abstract: The present invention relates to an all-solid-state battery including: a battery supporting member including an oxide-based solid electrolyte of a garnet structure; a positive electrode disposed on a first surface of the battery supporting member; and a negative electrode disposed on a second surface of the battery supporting member, wherein the positive electrode includes: a positive active material layer in contact with the first surface of the battery supporting member and including a positive active material represented by a predetermined chemical formula, and an ion conductor; and a positive current collector disposed on the positive active material layer, a manufacturing method thereof, a secondary battery including the same, and a monolithic battery module including the same.

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: This application discloses a soft-pack battery module, including at least two battery stack layers stacked in a thickness direction of battery cells, where each battery stack layer includes a battery cell and a connecting piece connected to a tab of the battery cell, the connecting piece includes a first section and a second section, the first section is connected to the tab, the second section is connected to the first section, the second section is arranged by a side of the first section, the second section extends toward a large surface of the battery cell and covers at least a part of the large surface of the battery cell, and an insulating material is provided on a side of the second section away from the large surface of the battery cell.

Abstract: A secondary battery and a battery pack including the secondary battery are disclosed. According to one aspect of the present invention, the secondary battery includes: a waterproof part configured to surround at least a portion of a circumference of the electrode assembly so that a gas within the exterior passes through the waterproof part, but a liquid within the exterior does not pass through the waterproof part; and a vent part provided in an inner surface of the exterior to provide a path through which the gas within the exterior is discharged to the outside when an internal pressure of the exterior exceeds a certain value.

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: 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 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.