Battery and electric device

The embodiment of the utility model provides a battery and a power utilization device, and relates to the technical field of batteries. The battery comprises a top cover, a battery shell, a battery cell and a pipeline, the top cover is connected with the battery shell to form a cavity, and the battery cell and the pipeline are arranged in the cavity; a flame-retardant medium is arranged in the pipeline, and at least one end of the pipeline is an open end; the battery core extrudes the pipeline under the condition of expansion, so that the flame-retardant medium in the pipeline flows out of the opening end, and the flame-retardant effect can be achieved when the battery core is subjected to thermal runaway. 本申请的实施例提供了一种电池及用电装置，涉及电池技术领域。该电池包括顶盖、电池壳体、电芯及管道；顶盖与电池壳体相连接，以形成腔室，电芯和管道均设置于腔室内；管道内设置有阻燃介质，管道的至少一端为开口端；电芯在膨胀的情况下挤压管道，以使管道内的阻燃介质从开口端流出，其能够在电芯发生热失控时起到阻燃的效果。