Sk Innovation Co., Ltd.

Ju-Young Choi

Eun-Young Kang

Jin-Go Kim

Min-Seong Kim

Suk-Hwan Yoon

Ru-Ri Lee

Kwan-Yong Kim

Chang-Mook Hwang

The present invention provides a lithium secondary battery. In particular, the present invention provides an adhesive pad for a lithium secondary battery in which the adhesive pad including the substrate layer and the adhesive layer formed on at least one surface of the substrate layer is adhered to at least one surface of the exterior material through the adhesive layer, such that it is possible to reduce the danger of ignition or explosion by improving penetration safety when applying to the lithium secondary battery, and a lithium secondary battery including the same.

Lithium secondary battery

Provided is a venting system of a pouch type lithium secondary battery. According to an exemplary embodiment of the present invention, the venting system of a pouch type lithium secondary battery includes a venting device that controls opening and closing of a passage communicating an internal pressure of a pouch to discharge gas from an inner portion of the pouch.

Venting system of pouch type lithium secondary battery

Provided is a pouch type lithium secondary battery having a tubular passage structure. The pouch type lithium secondary battery having a tubular passage structure includes: a tubular passage structure having a passage of injecting an electrolyte from an outer portion of a pouch and discharging gas from an inner portion of the pouch by communicating the inner portion of the pouch with the outer portion of the pouch.

Pouch type lithium secondary battery having tubular passage structure

Growing community of inventors

Daejeon, South Korea

Ju-Young Choi