Sungkyunkwan University

Anh Le Mong

Duk Joon Kim

Hyung Joon Jeon

Su Gyeong Kim

Zhenchuan Tian

Hai Anh Hoang

Disclosed is an electrolyte membrane for a lithium secondary battery including a compound in which PEG is grafted to PAES or PAEK as a main chain or a block copolymer between PAES or PAEK and PEG, thereby to have excellent ionic conductivity and adhering property. Disclosed is a binder for a lithium secondary battery including a compound in which PEG is grafted to PAES or PAEK as a main chain or a block copolymer between PAES or PAEK and PEG, thereby to have excellent ionic conductivity and adhering property. Further, disclosed is a membrane-electrode structure for lithium secondary batteries having the electrolyte membrane and the binder. Further, disclosed is a manufacturing method of each of the electrolyte membrane, the binder, and the structure.

Electrolyte membrane for lithium secondary battery and membrane-electrode structure for lithium secondary battery having the same

Disclosed is a protective layer to protect a lithium metal negative electrode for a lithium secondary battery, in which the protective layer may inhibit formation of lithium dendrite and improve thermal/chemical stability, and conductivity of lithium ions. Further, disclosed are a production method of the protective layer, and a lithium secondary battery including the protectively layer. The protective layer contains a poly(arylene ether sulfone)-poly(ethylene glycol) graft copolymer represented by a following Chemical Formula 1: 

Protective layer for protecting lithium metal negative electrode for lithium secondary battery, production method thereof, and lithium secondary battery including the same

Growing community of inventors

Suwon-si, South Korea

Anh Le Mong