Lg Energy Solution, Ltd.

Korea Advanced Institute of Science and Technology

Joonwon Lim

Yo Han Kwon

Jae Hyun Lee

In Sung Uhm

Dong Chan Lee

Yong Ju Lee

Je Young Kim

Yo-Han Kwon

Ho Jin Lee

Sang-Young Lee

Jae-Hyun Lee

Min Chul Jang

In-Sung Uhm

Sang Ouk Kim

Sun Kyu Kim

Ju-Myung Kim

A flexible electrode includes: a current collector; an electrode layer positioned at a top of the current collector; a first support layer positioned at a top of the electrode layer; and a second support layer positioned at a bottom of the current collector, wherein each of the first support layer and the second support layer is a conductive coating layer-containing porous polymer substrate including a porous polymer substrate, and a conductive coating layer positioned on a surface of the porous polymer substrate and including a conductive material and a dispersing agent, and the porous polymer substrate is a non-woven web provided with a plurality of polymer fibers and a pore structure interconnected by the plurality of polymer fibers.

Flexible electrode, secondary battery including the same, and flexible secondary battery

Disclosed is a binder composition for a negative electrode which includes a binder polymer containing at least one first functional group selected from the group consisting of a hydroxy group and a carboxyl group, and a crosslinked polymer containing at least one second functional group selected from the group consisting of an amino group and an isocyanate group, wherein the crosslinked polymer is present in an amount of 1.5 parts by weight to 8.5 parts by weight based on 100 parts by weight of the binder polymer.

Binder composition for negative electrode, negative electrode, and secondary battery

A negative electrode active material that includes active material core particles that allow the intercalation and deintercalation of lithium ions; a conductive material disposed on a surface of each active material core particle; an organic linker that connects the active material core particles and the conductive material; and an elastomer that covers at least a part of the active material core particles and the conductive material. The conductive material includes at least one selected from the group consisting of a linear conductive material and a planar conductive material, and the organic linker is a compound that includes a hydrophobic structure and a substituent including a polar functional group.

Negative electrode active material including active material core particle linked to conductive material with organic linker and elastomer covering active material core particle and conductive material, and lithium secondary battery including the same

A negative electrode active material that includes an active material core that allows the intercalation and deintercalation of lithium ions; and a conductive material that is attached to a surface of the active material core through an organic linker. The conductive material includes at least one selected from the group consisting of a linear conductive material and a planar conductive material. The organic linker is a compound that includes a hydrophobic structure and a substituent including a polar functional group.

Negative electrode active material and lithium secondary battery including the same

Provided is a method of manufacturing graphene by unzipping doped carbon materials by an external stimulus and a graphene manufactured therefrom.

Method of manufacturing graphene using doped carbon materials

Growing community of inventors

Daejeon, South Korea

Joonwon Lim