国家/地区 韩国（8）
IPC部 C（8） B（4） H（3）
IPC大类 C01（8）
IPC小类 C01B（8）
IPC C23C016/26（4） C01B032/186（3） C23C016/02（3）
C23C016/44（3） H01M004/36（3） H01M004/38（3）
H01M004/48（3） H01M004/587（3） H01M004/62（3）
C01B032/05（2） C01B032/194（2） C01B033/02（2）
C01B033/10（2） C01B033/22（2） H01M010/052（2）
发明人 HEE L（2） HYUN L J（2） IMSUNGWOO（2）
JEON Y M（2） LEE H S（2） LIM H H（2）
LIM J（2） LIM J C（2） LIM S W（2）
PARK J G（2）
公开年 2022（8）
申请年 2021（8）
专利权人 DAEJOO ELECT.（2）

Carbon steel material useful for heat sink in electrical and electronic devices comprise carbon steel substrate, and reduced graphene oxide coating layer formed on the carbon steel substrate.

DOW H S

Twin-chamber roll-to-roll graphene film manufacturing device useful for transparent display and flexible display having upper chamber with supply roller for supply catalytic metal film and winding roller for winding catalytic metal film.

KI K Y

Manufacturing graphene wrinkles using three-dimensional structure patterning process comprises etching transition metal thin film to form three-dimensional pattern and inserting into chemical vapor deposition chamber to synthesize graphene.

KIM J, WIMALANANDA M D S, LEE J M

Active material used in negative electrode for lithium secondary battery, comprises pores having preset size, and silicon-based compound having preset ratio of peak intensity in region having specific wavelength in Raman spectrum.

PARK G O, YOO S K, CHUNG J H, ZHENG Z, YU S, PARK G

Tantalum carbide-coated carbon material for e.g., LED manufacturing equipment, comprises a carbon substrate, and a tantalum carbide coating layer formed on the carbon substrate.

JO D W, CAO D, WAN J, CHO D W

Porous silicon-carbon composite used for negative electrode active material for lithium secondary battery, comprises silicon particles, magnesium fluoride, and carbon.

LIM J C, LEE J, JEON Y M, LIM S W, PARK J G, LEE H S, LIM H H, NAM S J, LEE E, LIM J, HYUN L J, IMSUNGWOO, HEE L, JIN N, PARK S

Porous silicon-based carbon composite used for forming negative electrode active material, comprises silicon particles capable of intercalating and de-intercalating lithium, magnesium compound, and carbon, and has preset molar ratio of magnesium atoms with respect to silicon atoms.

PARK J G, LEE H S, JEON Y M, OH S M, PARK H S, LIM S W, LIM H H, LIM J C, LEE J H, HUNSOO P, IMSUNGWOO, HEE L, LIM J, HYUN L J

Manufacturing monocrystalline graphene for display, secondary battery, solar cell, light-emitting device, catalyst and sensor, involves supplying aromatic carbon gas onto single-crystalline metal catalyst to manufacture graphene.

KIM B J, CHOI J, CHOI J Y, JUN K