Lg Chemical Co., Ltd.

Lg Chem, Ltd

Seung-Jin Lee

Soon-Ho Ahn

Hyung-Keun Lee

Hyang-Mok Lee

Sang-Young Lee

Heon-Sik Song

Byeong-In Ahn

You-Jin Kyung

Soon-Yong Park

Jin-Yeon Cho

Hyun-Hang Yong

Tae-Hyung Kim

The present invention provides a multi-component composite film comprising a) polymer support layer, and b) porous gellable polymer layer which is formed on one side or both sides of the support layer of a), wherein the support film of a) and the gellable polymer layer of b) are unified without the interface, a method for preparing the same, and a polymer electrolyte system applied the same.

Multi-component composite film method for preparing the same

The present invention provides a multi-component composite film comprising a) polymer support layer; and b) porous gellable polymer layer which is formed on one side or both sides of the support layer of a), wherein the support film of a) and the gellable polymer layer of b) are unified without the interface, a method for preparing the same, and a polymer electrolyte system applied the same.

The present invention provides a electrochemical element, wherein a multi-component composite film comprising a) polymer support layer film and b) a porous gellable polymer layer which is formed on either or both sides of the support layer film of a), wherein the support layer film of a) and the gellable polymer layer of b) are unified with each other without an interface between them.

Electrochemical device using multicomponent composite membrane film

An electrochemical element with improved energy density is provided. The electrochemical element has electrochemical cells which are multiply stacked. The electrochemical cell is stacked with the full cell or bicell as a basic unit and a separator film is interposed between the adjoining portion of the cells. The electrochemical element is easy to manufacture, has a structure which uses the space available efficiently, and can maximize the content of the active electrode material so that a highly integrated battery can be implemented.

Stacked electrochemical cell

Growing community of inventors

Taejeon, South Korea

Seung-Jin Lee