国家/地区 中国（3） 韩国（3） 世界知识产权组织（2）
IPC部 C（5） H（3） B（2）
IPC大类 C01（5） C23（5） H01（3）
IPC小类 C01B（5）
IPC C23C016/44（5）
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（5）
申请年 2021（5）
专利权人 DAEJOO ELECT.（2）

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

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

Graphene film preparation device useful for heating in pipe, comprises heating element, which is embedded in the quartz tube and forming heating cavity with quartz tube, the heating cavity is placed by substrate, and air supply assembly forming graphene film on the substrate.

QING F, LI X, HE Q

Three-dimensional thermally conductive wave-absorbing reinforced composite film, comprises graphene oxide/MXene films.

FANG X, HE X, ZHOU X, DOU L, YANG S, SUN A, CAO Y