Battery, power utilization device, method for preparing battery and device for preparing battery

The invention discloses a battery, a power utilization device, and a method and a device for preparing the battery. The battery includes: a plurality of battery cells provided with electrode terminals on end surfaces of the battery cells in a first direction, the plurality of battery cells being arranged in a second direction orthogonal to the first direction; the heat management parts are located between the adjacent battery cells in the second direction and used for adjusting the temperature of the battery cells, each heat management part is provided with a central part and end parts located on the two sides of the central part in the third direction, the width of the central part in the second direction is smaller than that of the end parts, and the width of the end parts is smaller than that of the central part in the third direction. A gap is formed in the second direction between the central portion and an adjacent battery cell. 本申请公开了一种电池、用电装置、制备电池的方法和装置。电池包括：多个电池单体，在所述电池单体的第一方向上的端面设置有电极端子，多个所述电池单体在第二方