国家/地区 中国（23） 美国（14） 韩国（10） 世界知识产权组织（7） 欧洲专利局（EPO）（6） 日本（5） 德国（2） 台湾（2）
IPC部 C（34）
IPC大类 C23（34）
IPC小类 C23C（34） C01B（12） H01M（7）
B22F（6） B82Y（3） C22C（3）
H01J（3） C01F（2） C01G（2）
C30B（2） H01L（2）
IPC C23C016/44（34）
发明人 LIM J（3） ZHENG Z（3） CHUNG J H（2）
HEE L（2） HYUN L J（2） IMSUNGWOO（2）
JEON Y M（2） LEE H S（2） LI T（2）
LI X（2） LIM H H（2） LIM J C（2）
LIM S W（2） MA Y（2） PARK G（2）
公开年 2021（18） 2022（13） 2023（3）
申请年 2021（34）
专利权人 DAEJOO ELECT.（2） SK ON CO LTD（2） UNIV SINGAPO.（2） ZHEJIANG CHI.（2）

Cathode active materials useful for secondary batteries, comprises carbon-based base material, silicon layer formed on carbon-based base material, and graphene provided on outside of silicon layer.

CHAE S

Synthesizing surface of aluminum oxide graphite for high-purity carbon materials, comprises e.g. raising temperature of reactor, placing aluminum oxide nanoparticles in inner center of reactor, and injecting reaction gas into reactor.

KIM C D, NAMKEE S

Preparing copper rare earth graphene electrical contact material comprises e.g. mixing copper rare earth alloy powder and silicon powder to obtain mixed powder, carrying out chemical vapor deposition, separating silicon powder in mixed powder, sintering, extruding and drawing preform.

CAO H, MA Y

Vacuum processing apparatus for removing oxidizing gas, comprises decompressable process container, supply port that is formed on side wall of process container and configured to supply, to process container, and apparatus also comprises ionic liquid that absorbs oxidizing gas.

HAYAKAWA T, UMESHITA N, AKIYAMA K, SEKIGUCHI K, ASAKO R, NAKANO T, ARYAL D, ROTONDARO A, IWASHITA M, IIZUKA Y, UEDA H

Preparation of two-dimensional chromium material involves mixing chromium source with additive material to form first gaseous precursor and processing sulfide source to form second gaseous precursor, and transferring first and second gaseous precursors to substrate and heating obtained substrate.

XIAO H, XU M

Apparatus for depositing two-dimensional material, comprises planar high-frequency antenna formed on second surface of dielectric window, and first gas nozzle configured to provide source gas into chamber.

SHIN H, SHIN K, LEE C, LEE C S, SHIN K W, SHIN H J

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

Cathode active material e.g. for lithium secondary battery, comprises e.g. silicon-containing coating layer formed inside pores or on surfaces of carbon-based particles, and carbon coating layer formed on silicon-containing coating layer.

PARK G O, YOO S K, JANGDONGIL, CHUNG J H, JANG D I, ZHENG Z, ZHANG D, 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