国家/地区 世界知识产权组织（7）
IPC部 C（7） H（7）
IPC大类 C01（7）
IPC小类 C01B（7）
IPC C01B032/194（7）
发明人 LEE J（7）
公开年 2015（2） 2021（2）
申请年 2020（2） 
专利权人 HANWHA CHEM .（2）

Coating material used for forming cathode for lithium secondary battery, comprises graphene oxide surface-modified with cationic functional group.

KIM S, LEE J, KIM K, SOHN K, JEONG D, LEE J C, HYUN K, JUNG D, SUN Q, JIN Q, JIN X

Silicon-based carbon composite for anode active material, has core-shell structure, in which core comprises silicon, silicon oxide and magnesium silicate, and shell contains carbon layer containing reduced graphene oxide.

LEE J, PARK H, LEE S G, LIM H H, LIM J C

Producing a cathode active material including graphene-silicon complex useful in lithium secondary battery as power sources for mobile electronic devices comprises combining silicon-containing particles on reduced graphene oxide sheets.

KIM H J, PARK H K, HAN H Y, PARK J S, LEE J K, KIM H, PARK H, HONG Y, PARK J, LEE J, LI Z

Thermally expanded reduced graphene oxide used in sulfur-carbon complex and lithium secondary battery, preferably lithium-sulfur battery, comprises pores in its surface.

YANG S, SOHN K, HAN S, LEE J, HANSEUNGHUN, LEE J S

Method of using chemical reaction transparency of graphene for electrode for battery, involves forming laminating catalyst and graphene on one layer, and forming layer containing catalyst and graphene on other layer including catalyst.

CHOI W J, LEE J O, CHANG H J, KONG K J, AN K S, WON J C, HYUN J C, SEUNG H J, SI E C, CHOI W, LEE J, CHANG H, KONG K, AN K, CHANGHYUNJOO, HUN J S, EUN C S

Modification of graphene involves obtaining graphene having desired crystal size by repeating graphene modification process several times with subcritical or supercritical carbon dioxide.

DO S H, LEE J S, JEON S Y, KONG J H, DO SEUNG H, DO S, LEE J, JEON S, KONG J

Manufacture of functionalized graphene used for e.g. barrier material, involves forming mixture using graphite oxide, solvent and functionalized compound containing sulfur and amino group, reacting, and recovering resultant graphene.

LEE J S, DO SEUNG H, JEON S Y, HAN G W, KONG J H, DO S H, LEE J, DO S, JEON S, HAN G, KONG J