Contemporary Amperex Technology Co., Ltd.

Contemporary Amperex Technology (Hong Kong) Limited

Contemporary Amperex Technology Limited

Haibo Ke

Peng Wang

Quankun Li

Zhijun Guo

Zhanyu Sun

Fenggang Zhao

Jianxiong Yang

Ningsheng Wu

Jiawei Liu

Guoan Mao

Junqi Cao

Lingyu Zhang

The present application provide a connection component, a battery cell, a battery, and an electric device. The connection component includes a body, a convex portion, a concave portion and a gap control portion, and the body includes a first surface and a second surface opposite to each other in a thickness direction thereof; and the gap control portion is configured to be when the associated connection component is stacked on the other connection component, said gap control portion is in contact with said the other connection component, so as to control a dimension of a gap D between the two connection components to be greater than 0.6H, wherein H is the height of the convex portion protruding from the first surface. According to the connection component provided by the present application, the gap between two adjacent connection components can be controlled when material is stuck.

Connection component, battery cell, battery and electrical device

An embodiment of the present application provides a battery cell, a battery and an electrical device. The battery cell includes: a case, which is a hollow structure having a first opening end; an end cover assembly for covering the first opening end; an electrode assembly accommodated in the case; and an insulating guard layer disposed between the electrode assembly and the case to wrap at least part of the electrode assembly, wherein the insulating guard layer includes a main body portion and a protrusion structure, the main body portion has a second opening end facing the first opening end, the protrusion structure is connected to the second opening end and extends toward the end cover assembly, and the protrusion structure is used for connecting with the end cover assembly.

Battery cell, battery, and electrical device

Growing community of inventors

Ningde, China

Haibo Ke