国家/地区 中国（13） 韩国（13） 世界知识产权组织（7） 美国（3） 欧洲专利局（EPO）（2） 日本（2）
IPC部 C（25）
IPC大类 C01（25） H01（24） B82（4）
IPC小类 C01B（25）
IPC C01B033/02（25）
发明人 PARKSUNGHEE（5） LEE G（3） LIM J（3）
LIM J C（3） HEE L（2） HUNSOO P（2）
LEE H（2） LEE J（2） LEE S（2）
LEE S G（2） LI X（2） LIM H H（2）
LIN Z（2） OH S M（2） PARK H（2）
公开年 2021（16） 2020（5） 2022（4）
申请年 2020（25）
专利权人 UNIV WOOSONG（5） DAEJOO ELECT.（4） KOREA ELECTR.（2）

Negative electrode active material used for lithium secondary battery, comprises nanoparticles, and polymer binder surrounding nanoparticles comprising core comprising silicon, shell formed on surface of core and including silicon oxide, and formed on surface of shell and comprising carbon.

KIM C J, JI D H, KIM I H, AN H J, JOON K C, ZEE D, AN H

Preparing negative electrode material for lithium-ion battery comprising dispersing silicon source, dispersant, and conductive agent in organic solvent, performing secondary granulation, pulverizing, coating third precursor pulverized with organic carbon source.

TIAN Z, WEI L, XU X, WANG X, CAO X, ZHANG C

Silicon carbon composite material useful in cathode material and lithium ion battery, comprising nano-silicon and graphene-type carbon nano-sheets.

WEN Z, LIU Q

Manufacturing high heat-resistance graphene-silicon-carbon nanotube composite for secondary battery comprises performing heat treatment in air atmosphere in temperature range showing thermal stability of high heat resistant graphene oxide.

HAN J, PARK J H, LEE H, CHO J, KIM J, LEE G

Silicon-based-carbon composite useful in cathode material of lithium secondary battery, comprises core-shell structure, where core includes e.g. silicon and magnesium silicate, and the shell includes first and second carbon layers.

HYUN L J, HUNSOO P, LEE S, HEE L, LIM J

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

Manufacturing silicon nanocomposite structure powder for anode material comprises refining micro-sized micro silicon powder into nano-sized nano silicon powder by milling and surface-oxidizing nano-silicon powder.

LEE G, LEE K S, CHOI Y, MOON S, YOO H

Manufacture of composite material used for secondary battery negative electrode, involves preparing graphene-antimony-silicon composite material powder using graphene oxide, antimony, lithium titanate and surface-modified silicon particles, calcining, cooling, and mixing with fluorine-based polymer.

PARKSUNGHEE

Producing silicon-graphene-carbon nanotube core-shell composite material, used for secondary battery comprises surface-modifying silicon particles, preparing core-shell powder, dispersing, freeze-drying, pulverizing and calcining.

PARKSUNGHEE

Manufacturing negative electrode material for composite secondary battery by dispersing alkoxysilane surface-modified silicon particles, graphene oxide, and Ti3C2Tx maxine with stearic acid, dispersing with lithium titanate, and calcining.

PARKSUNGHEE