Ningde Amperex Technology Limited

Hui Dong

Zhiwen Xiao

Weimin Jiao

Houlei Cui

Junhui Hou

Yinli Lin

Jianpeng Chen

A battery cell includes an electrode assembly, a tab, a first connecting piece, and a second connecting piece. The electrode assembly includes a first end face and a second end face that are disposed opposite to each other, and a first surface and a second surface that are connected to the first end face and the second end face respectively. The tab protrudes from first end face. The first connecting piece surrounds the first end face and is connected to the first surface and the second surface separately. A first via hole is made on the first connecting piece. The tab is threaded out of the first via hole. The second connecting piece surrounds the second end face and is connected to the first surface and the second surface separately. A plurality of second via holes are made on the second connecting piece.

Battery cell, battery that uses same, and electric device

An electrode assembly including a first electrode plate, a second electrode plate and a separator between the first electrode plate and the second electrode plate. The separator includes an extension portion extending to the outside of the first electrode plate and the second electrode plate in a length direction of the electrode assembly. The extension portion is provided with a glue layer including a first bonding portion extending in a width direction of the electrode assembly. The first bonding portion is parallel to the width direction.

Electrode assembly and battery

Embodiments of the present application provide an electrode assembly including a first electrode plate, a second electrode plate and a separator between the first electrode plate and the second electrode plate. The separator includes an extension portion extending to the outside of the first electrode plate and the second electrode plate in a length direction of the electrode assembly. The extension portion is provided with a glue layer including a first bonding portion extending in a width direction of the electrode assembly. The first bonding portion is parallel to the width direction. Embodiments of the present application further provide a battery. The electrode assembly and battery provided in the present application will at least reduce the risk of short circuit of the electrode assembly.

Growing community of inventors

Fujian, China

Hui Dong