Lg Energy Solution, Ltd.

Sung Yun Kwak

Jeong Min Ha

Hyun Beom Kim

Min Kyu Min

Dae Wook Kim

Kyu Hyun Choi

Gi Man Kim

Dong Yeon Kim

Disclosed are a secondary battery and a secondary battery case. According to one aspect of the present invention, provided is a case for a secondary battery including: a first recess part having a recessed shape; a second recess part opposite the first recess part and having a recessed shape; a circumferential part configured to surround a circumference of each of the first recess part and the second recess part when the case is unfolded; and a connection part provided between the first recess part and the second recess part to connect the first recess part to the second recess part, wherein, when the case is unfolded, the connection part includes: a first connection surface inclined in a first direction from one end of the first recess part; and a second connection surface inclined in the first direction from one end of the second recess part.

Secondary battery and secondary battery case

A case for a secondary battery, in which an electrode assembly having a structure, in which electrodes and separators are alternately disposed, is accommodated, includes: a first recess part and a second recess part, each of which has a recessed shape; a circumferential part configured to surround a circumference of each of the first recess part and the second recess part when the case is unfolded; and a connection part provided between the first recess part and the second recess part to connect the first recess part to the second recess part, wherein, when the case is unfolded, the connection part has a shape that is recessed from each of the first recess part and the second recess part in one direction.

Case for secondary battery and secondary battery

Growing community of inventors

Daejeon, South Korea

Sung Yun Kwak