The disclosure belongs to the field of battery technology and specifically relates to a battery cover plate and a secondary battery including: a cover plate body provided with an electrode terminal hole; and an electrode terminal assembly including an elec...

A housing of a battery cell is provided, which includes: a housing body, having a through hole, wherein the material of the housing body is steel, the thickness direction of the housing body is a first direction, in the first direction, the housing body in...

A battery module includes a battery, a structure positioned at least partially around the battery, a temperature sensor positioned between the battery and the structure, and a directing portion directing a temperature detection range of the temperature sen...

A lithium ion battery () of the invention includes a battery main body () which includes one or more power generation elements configured by laminating a positive electrode layer () including a positive electrode active material layer () and a positive ele...

A battery pack (A) includes a storage body () provided with a storage space () surrounded by a sealing member (), a battery module () stored in the storage space (), and a partition wall () located between the battery module () and the sealing member (). A...

A battery pack () includes a plurality of battery modules (), an accommodation body () that defines an accommodation space () accommodating the plurality of battery modules (), a lower bracket () and an upper bracket () overlapping in a plurality of stages...

The disclosure relates to a negative electrode material, an electrochemical device and an electronic device. The negative electrode material includes: a carbon layer; and a silicon layer located on at least part of the surface of the carbon layer. The nega...