A tab welded structure includes a conductive member and a tab formed by stacking a plurality of layers of pieces in a first direction. The conductive member is welded to the tab to form a fused area. The fused area includes a first fused portion and a second fused portion. The first fused portion…
The purpose of the present disclosure is to provide a sealed battery that can expand a joint area of an electrode lead with respect to a sealing body or the like without using a large-width electrode lead. A sealed battery, which is an example of an embodiment, comprises: an electrode body having…
A battery cell, a battery, and a power consuming apparatus. The battery cell includes: a shell, where a first wall of the shell is provided with an electrode leading-out hole; an electrode assembly, arranged in the shell, where the electrode assembly is provided with an electrode connecting member…
A lead connection for coupling a first end of a lead to a post and a bushing of a battery is described. The lead connection includes a first weld that includes the bushing and the post welded to the bushing. The lead connection also includes a second weld. The second weld includes the first weld…
A battery top cover assembly with welded terminal posts, which includes a top cover plate, terminal post structures, caps, sealing rings, upper insulating parts, and a lower insulating part. Two ends of the top cover plate are provided with mounting holes in the length direction; a terminal post…
A method for manufacturing a prismatic battery assembly includes disposing a plurality of current collector tabs at least partially through a slot of a cap of an enclosure. The plurality of current collector tabs are electrically connected to respective current collectors of an electrode stack and…
The present application relates to a battery cell, a battery, and an electrical apparatus in the field of battery technologies. The battery cell includes a case assembly, an end cover, and an electrode assembly. The case assembly defines an accommodating cavity with an opening, and includes first…
A method for assembling a pole terminal of a cylindrical battery includes the following steps: step 1: laser welding an irregular-shaped screw at a central position of a current collector plate, to form a composite current collector plate; step 2: laser welding the current collector plate to a tab…
Method to manufacture an energy storage battery having the steps of: providing an electrochemical cell, which is at least partially complete and is provided with an electrical collector; providing a container having a first wall; placing, on an outer surface of the first wall, an outer body, which…
Disclosed herein relates to a prismatic secondary battery including: an electrode assembly including a first electrode lead part formed in a first side direction and a second electrode lead part formed in a second side direction opposite the first side direction; a lower case having an open upper…