Lg energy solution, ltd. (20240417821). Cylindrical Battery Case Having Reduced Surface Roughness
Cylindrical Battery Case Having Reduced Surface Roughness
Organization Name
Inventor(s)
Kwang Su Hwang Bo of Daejeon (KR)
Cylindrical Battery Case Having Reduced Surface Roughness
This abstract first appeared for US patent application 20240417821 titled 'Cylindrical Battery Case Having Reduced Surface Roughness
Original Abstract Submitted
a cylindrical battery case for a secondary battery includes a body having a steel sheet including a nickel coating layer formed thereon, a step portion on the body, and a taper and a flange extending from the body. a surface roughness (ra) of the battery case ranges from 0.022 �m to 0.040 �m. also provided is a device including such a secondary battery. the device is selected from a group consisting of an electronic device, an electric vehicle, a hybrid electric vehicle, and a power storage system.