A plurality of first protrusions each protruding from one of an end plate and a contact plate portion toward the other of the end plate and the contact plate portion are provided side by side in the second direction. Each of the plurality of first protrusions has a top portion at a tip of the first protrusion with a width of the first protrusion in the second direction being narrower in a direction from the one of the end plate and the contact plate portion toward the other of the end plate and the contact plate portion, and is in abutment with the other of the end plate and the contact plate portion at the top portion. The plurality of first protrusions include a first protrusion having a top portion overlapping with any one joining portion of a plurality of joining portions when viewed in the first direction.

A battery (100), in particular a lithium-ion battery, having: a plurality of battery cells (10), which are assembled to form a cell stack and are received in a housing (20), wherein the battery cells (10) are bonded to the base (21) of the cell housing (20) by a heat conductive bonding material (TIM), a plurality of spacer elements (11), wherein a spacer element (11) of the plurality of spacer elements (11) is arranged in each case between two adjacent battery cells (10) of the plurality of battery cells (10), two end plates (22), which delimit the cell stack at the ends, wherein the end plates (22) are connected by at least one tensioning band (23), wherein the at least one tensioning band (23) at least partially surrounds the cell stack circumferentially. To this end, it is provided according to the invention that the at least one tensioning band (23) is bonded to the side walls of the battery cell (10) by a band bonding material.

The present disclosure provides a battery module. The battery module includes a plurality of batteries that are stacked and two end plates disposed at two ends of the plurality of batteries in a stacking direction of the batteries. The battery module further includes a fixing strap, which includes a strap-shaped body and an elastic fixing part. The strap-shaped body surrounds the plurality of batteries and the end plates and defines a gap. The elastic fixing part is disposed in the gap and connected to the strap-shaped body. The elastic fixing part, together with the strap-shaped body, can provide an expansion space for the battery module with a certain restraint. In this way, the deformation of the battery module can be suppressed, and the battery module is protected from being damaged by a shear force of the strap-shaped body, thereby improving reliability of the battery performance.

A battery system includes a can with a lip around an opening. At least an interior surface of the can is anodized and the lip of the can includes a longer and shorter side. The can further includes a flange on the longer side of the lip and a plurality of layers that are inserted into the can. The plurality of layers includes a battery cell and a thermally conducting layer with a fin and the fin has a spring force that pushes the fin towards the anodized interior surface. The battery system further includes a lid that is configured to cover the opening of the can, where the flange is configured to wrap around the lid when the lid covers the opening of the can.

A battery assembly according to an exemplary aspect of the present disclosure includes, among other things, a first cell stack including a plurality of battery cells and a structural assembly including a first pocket sized and shaped to receive the first cell stack. The structural assembly is configured to assert a compressive load on the first cell stack and at least partially enclose the first cell stack.

Battery core packs employing minimum cell-face pressure containment devices and methods are disclosed for minimizing dendrite growth and increasing cycle life of metal and metal-ion battery cells.

A case having elasticity corresponding to expansion and contraction of a stacked body housed therein and a method for manufacturing the same, a method for inserting the stacked body into the case, and a cell stack using the case are provided. A case configured to house a stacked body includes two opposed contact parts in contact with the stacked body, and two spring structures connecting the two contact parts with each other.

Systems, methods and a cooling module are described. The cooling module is configured to directly cool the plurality of battery cell tabs. The cooling module includes a generally prismatic isolation sheet contacting the battery cell tabs along a common plane and a heat exchanger. The heat exchanger includes a metallic portion defining an open cavity and a lightweight portion joined to the metallic portion to define a unitary flow assembly. The metallic portion includes an outer planar surface engaging the second planar surface. The lightweight portion is formed from a thermally conductive plastic material and includes baffles integrally formed with and extending therefrom. The plurality of baffles engage an interior surface of the metallic portion to thereby define a serpentine path for the cooling fluid.

The invention relates to an electric battery (1) comprising: a plurality of electric charge cells (2), each cell having end faces (21, 22) that are located on opposite sides of the cell, each end face being provided with a contact terminal (23); at least one first printed circuit board (41) arranged in line with the end faces that are located at one of the sides of the cells, the printed circuit board being provided with a plurality of first electrical connection elements (43), each of the first electrical connection elements being located facing one of the contact terminals of the cells; characterized in that the first printed circuit board comprises a main portion (44) in which a plurality of slots (45) are formed, each slot defining a tab (46) that is elastically deformable with respect to the main portion, each first electrical connection element being arranged on one of the tabs of the first printed circuit board.

A battery pack includes a stacked battery and a pair of restraint plates. The stacked battery includes battery cells stacked in a stacking direction parallel to a vehicle up-down direction. At least one of the restraint plates is a specific restraint plate including a first portion and a pair of second portions each having low rigidity against a load input in the stacking direction as compared with the first portion. Each of the second portions is disposed along a direction orthogonal to the specific direction. When viewed from the specific direction, each of the second portions is disposed apart from each other at a location other than a center portion and both end portions of the specific restraint plate.