The present disclosure relates to an explosion-proof battery for electric vehicles and an electric golf trolley. The explosion-proof battery includes a battery case, a closure plate and a cell assembly, wherein at least one vent is disposed in the battery case; and when a gas pressure in a cavity…
A fire suppression system for use with lithium-ion battery storage containers is provided. The system utilizes water as a fire suppressant, which is stored in a tank and delivered to a battery module within the container that is experiencing a thermal event. After a predetermined time from the…
This application provides a battery cell, which relates to the technical field of battery cells. The battery cell includes a housing, wherein an explosion-proof structure is provided on the housing; a valve opening area S of the explosion-proof structure, a valve opening pressure P of the…
This disclosure describes a battery device with at least two battery cells and a stainless-steel foil pouch located between the battery cells. The stainless-steel foil pouch holds fire retardant materials that prevent and/or delay thermal propagation.
A battery module has a fire transition prevention structure and a battery pack includes the battery module. The battery module has a fire transition prevention structure, the battery module including a module case, two or more unit modules received in an inner space of the module case in a state of…
A battery module includes a cell assembly including a plurality of battery cells, a lower case having an open upper portion and including an accommodating space in which the cell assembly is accommodated, an upper case coupled to the lower case to cover the open upper portion of the lower case and…
The present invention relates to a method of manufacturing a battery module capable of preventing chain ignition, and more particularly to a method of manufacturing a battery module capable of preventing chain ignition, the method including a first step of preparing a module case (110) having a…
Embodiment of the present disclosure relates to a battery assembly including a plurality of battery cells stacked in a preset stacking direction, an accommodation case configured to accommodate the plurality of battery cells, an insertion space formed between the plurality of battery cells and the…
A fire suppression system for a battery pack includes a controller, an inlet line, an outlet line, a detector, a first pressure vessel with a first valve, and a second pressure vessel with a second valve. The pack includes: an inlet, battery modules housing battery cells, and an outlet. The inlet…
Provided is a battery pack including a battery module including one or more battery cells; an accommodating body accommodating the battery module; an accommodating cover coupled to the accommodating body to form, together with the accommodating body, a module accommodating space in which the…
Disclosed are a protection device for a secondary battery in which two flux cores are embedded in a fusible element to be separated from each other and be disposed adjacent to fusible element electrodes on both sides of the fusible element so that it is not necessary to apply a flux onto the…
Disclosed is a battery module with reduced risk of fire propagation or explosion. To achieve the above-described object, the battery module according to the present disclosure includes a cell assembly including a plurality of secondary batteries, a module housing in which the cell assembly is…
The present application relates to the field of an energy storage device, and more particularly, to a top cover assembly of a secondary battery, the secondary battery and an apparatus using a battery. The top cover assembly includes: a top cover sheet provided with an explosion-proof hole; an…
A battery module has a fire transition prevention structure and a battery pack includes the battery module. The battery module has a fire transition prevention structure, the battery module including a module case, two or more unit modules received in an inner space of the module case in a state of…
A cover plate assembly, a battery cell (10), a battery module (11), a battery pack (1) and an apparatus are disclosed. The cover plate assembly (300) includes a top cover plate (310), where the top cover plate (310) is provided with an explosion-proof valve (311); and an insulating plate (320)…
The present application is applicable to the field of lithium battery technologies, and provides a new type of cap for a cylindrical lithium battery and a new type of cylindrical lithium battery. The new type of cap for the cylindrical lithium battery includes a steel sheet, an explosion-proof…
A method of manufacturing a battery module may prevent chain ignition. The method may include preparing a module case having a plurality of receiving portions formed therein, each of the receiving portions having a space of a predetermined size; disposing a respective battery cell among a plurality…
An explosion-proof sheet, a top cover assembly of a secondary battery, and a secondary battery are provided. The explosion-proof sheet has a pressure release portion arranged oppositely to the explosion-proof hole, a fixing portion surrounding the pressure release portion and connected to the top…
A battery module comprises a plurality of secondary battery cells arranged side-by-side; and a flame-retardant composition disposed atop the plurality of secondary battery cells; where the flame-retardant composition comprises a first composition and a second composition. The first composition…
Disclosed herein is a battery module comprising a plurality of battery cells encased in an outer shell. The outer shell has disposed on an inner surface a flame retardant layer that comprises expandable graphite. The expandable graphite is operative to expand during an thermal event that results in…
The present invention discloses a flame-retardant and explosion-proof battery pack for an electric vehicle and a manufacturing method thereof, the battery pack comprising: at least one battery brick consisting of batteries, which are electrically connected to define a positive electrode welding…
A battery apparatus may include: one or more battery cells; a fire-extinguishing agent, which includes a component, chemical or composition that has a combustion inhibiting or suppressing effect; a flame-resistant member having a limiting oxygen index that is higher than the oxygen concentration in…
A battery module includes at least one battery cell, a module case configured to accommodate the at least one battery cell, a fire extinguisher disposed at least partially inside the module case and connected to a fire extinguishing tank containing a fire extinguishing agent to inject the fire…
Provided herein are methods and systems for preventing and/or suppressing fire in a rechargeable battery.
A battery pack includes a plurality of battery modules, each having at least one battery cell, a rack case configured to accommodate the plurality of battery modules, and a fire proof unit mounted to be spaced apart from each other by a predetermined distance along a vertical direction of the rack…
Apparatus, systems, and methods described herein relate to the manufacture and use of electrochemical cells with a flame retardant mechanism. In some embodiments, an electrochemical cell includes a first current collector coupled to a first portion of a first pouch, the first current collector…
An explosion-proof apparatus includes a frame having a hollow shape; a gas supply device configured to maintain inside of the frame at pressure higher than certain pressure by supplying gas to the inside; an electrical component disposed inside the frame; a battery configured to supply power to the…
The present disclosure discloses an explosion-proof enclosure for an energy storage device and an energy storage device. The explosion-proof enclosure includes: a housing body, having a through hole; and an explosion-proof element, including a central portion and a pressure relief portion provided…
The present invention relates to a battery comprising a crosslinked intumescent layer selected from a coating and a self-supported film or sheet the layer being formed from a curable intumescent composition comprising: (a) a resin component comprising one or more oligomeric or polymeric compounds…