A battery assembly, connected to a vaporization component and supplying power to the vaporization component, includes: a shell; a battery core accommodated in the shell; a first interface provided on the shell, the first interface being provided for insertion of an external device such that the external device charges the battery core; and an action assembly accommodated in the shell. When the external device is inserted into the first interface, the action assembly shuts off an electrical connection between the vaporization component and the battery assembly.

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 received in an internal space, the module housing having an opening through which the internal space is in communication with an external space, and an adjustment cover configured to cover at least a part of the opening to fill a fire extinguishing agent supplied into the battery module to a predetermined height or above.

Systems and methods for operating a lithium-ion battery high-voltage distribution system architecture are disclosed. A battery pack includes: a plurality of lithium-ion battery cells; a disconnect mechanism operable in an operational position between a battery bus and the plurality of lithium-ion battery cells and a bypass position between the battery bus and a bus-power pass through; and a battery management system. The battery management system is eon figured to monitor battery pack performance, and responsive to detecting a triggering event in the battery pack performance, cause the disconnect mechanism to be in the bypass position.

A secondary battery includes an outer package member, a battery device, and a heat-resistant member. The battery device is contained inside the outer package member. The heat-resistant member has an insulating property and is disposed between the outer package member and the battery device. The outer package member includes a container member and a closing member. The container member has an opening, and contains the battery device inside. The closing member closes the opening, and is welded to the container member. The battery device has an opposed surface and a side surface. The opposed surface is opposed to the closing member. The side surface is coupled to the opposed surface. The heat-resistant member covers from the opposed surface to the side surface.

A battery and an electronic device are disclosed, which relate to the field of electronic device technologies, so that the battery has different characteristics to meet use requirements for the battery in different application scenarios. Specifically, the battery includes a first cell and a second cell, and the first cell is different from the second cell. The battery provided in embodiments of this application is configured to provide power for the electronic device.

A battery device includes a cell assembly having a plurality of battery cells, and a frame member having a bottom member, a cover member, and a side member connecting the bottom member and the cover member to form as accommodating space for accommodating at least one cell assembly therein. The frame member comprises a flow space therein so that the pas or flames generated in the cell assembly flow, the flow space comprises a first flow space formed in any one of the cover member and the bottom member and a second flow space formed in the side member, and the first flow space and the second flow space are connected to each other.

A battery cell, a battery, an electrical device, and a method and device for manufacturing the battery cell. In some embodiments, the battery cell comprises a battery core, a shell, an end cover, and a first insulating component. The battery core comprises a main body part and electrode tabs protruding from the main body part. The shell has a first opening and is configured to accommodate the battery core. The end cover is configured to cover the first opening. The first insulating component comprises an insulating main body and an insulating part, wherein the insulating main body is located on a side, facing the electrode tabs, of the end cover, and the insulating main body is configured to isolate the battery core from the end cover.

The present invention relates to a barrier for preventing the propagation of a thermal event within a multi-cell battery module, comprising a framework structure and a heat-absorbing material, which comprises water and a component based on biogenic raw materials. Furthermore, the invention relates to a multi-cell battery module and a battery comprising at least one such barrier. Finally, the present invention also relates to a method for preventing the propagation of a thermal event within a multi-cell battery module.

A battery module includes battery cells, a module case configured to accommodate the battery cells, and a bus bar assembly electrically connected to electrode leads of the battery cells. The bus bar assembly includes a bus bar frame positioned on at least one side of the battery cells, lead slots provided so that electrode leads of the battery cells pass therethrough, sensing bus bars connected to the electrode leads of the battery cells, and short-circuit prevention units mounted to at least one end of the sensing bus bars and configured to surround the at least one end of the sensing bus bars

A safety structure for a vehicle battery pack includes: a battery module each including a plurality of battery cells stacked between opposite endplates; a lower casing which covers a lower side of the battery modules that are two-dimensionally arrayed; an upper cover coupled to an upper side of the lower casing and covering an upper side of the battery modules; and first cut-off pads, each of which is made of a heat-resistant and insulating material, disposed in a portion where a gap between the endplate of the battery module and the lower casing becomes locally narrow.