国家/地区 韩国（15） 中国（12） 世界知识产权组织（7） 日本（4） 美国（4） 印度（3） 俄罗斯（3）
IPC部 B（41）
IPC大类 C01（41） B01（23） B82（13）
C09（6） H01（5） B32（3）
C08（3） C23（2） H05（2）
IPC小类 C01B（41）
IPC C01B032/194（13） B82Y040/00（10） B82Y030/00（8）
C01B032/19（8） C01B032/184（6） C01B032/198（6）
C01B032/182（5） B01J013/00（4） B01J019/08（3）
B01J019/10（3） C09D011/52（3） B01J004/00（2）
B01J019/00（2） B01J019/12（2） B01J019/28（2）
发明人 CHO M（2） CHO M G（2） CHO S M（2）
HAYASHI K（2） JEONG S（2） KIM B G（2）
KIM S J（2） KIMSUNJOO（2） LEE C（2）
LEE G（2） LEE J G（2） LI W（2）
LIU Y（2） OH H G（2） OHHONGGI（2）
公开年 2023（41）
申请年 2021（41）
专利权人 COWINDST CO .（2） FUJITSU LTD（2） KOREA ELECTR.（2） KOREA ELECTR.（2）
MCK TECH CO .（2） NINGBO INST .（2）

Classifying graphene oxide comprises classifying graphene oxide contained in graphene oxide dispersion by controlling pH of graphene oxide dispersion containing graphene oxide.

AN K, LEE S S, MYUNG S, SEOG S, MIN L S, GI S G

Preparation of graphene oxide quantum dots, involves dispersing potato paste in deionized water and adding ammonium hydroxide solution, treating formed mixture hydrothermally at preset conditions, and cooling to room temperature, filtering and drying.

KAUSHAL J, KAPOOR M, KUMAR P, KHANRA P, GAYTRI

Preparing magnetic fluorescent graphene, involves grinding graphite flakes and stainless steel needles magnetically, oxidizing with concentrated nitric acid and concentrated sulfuric acid, then ultrasonicating, calcining, dissolving in deionized water, suction filtering, dialyzing, and freeze-drying.

SONG Z, LI J, LIU Y, ZHAO Z, ZHANG B

Production of silver particle-graphene composite material used for heating device, involves adding N-methyl-2-pyrrolidone, and stirring, exfoliating and dispersing wet graphite to preparing graphene-containing composition, adding silver particles, and exfoliating and dispersing.

LIM K, NOH C, IMKIHYUN, ROH C

Manufacturing graphene composite structure by forming support body having observation unit corresponding to observation area and frame unit, and forming hydrophilic protective layer on upper surface of graphene layer by applying energy to graphene layer onto which organic component is transferred.

CHO S M, CHO M G, OH H G, CHO M, OHHONGGI

Wrinkle flattening unit for flattening wrinkles present in graphene composite structure, has rotation portion that comprises outer rotation unit having multiple suction holes communicating with branch passage and supporting one surface of composite structure.

CHO S M, CHO M G, OH H G, CHO M, OHHONGGI

Manufacturing carbon nanomaterial composite comprises forming composite structure where one-dimensional nanostructure and two-dimensional nanostructure form network from intermediate composite through supercritical fluid process in reactor.

GOU J S, KI J, KIM H R

Method for generating white light using white light-emitting quantum dots, involves mixing naphthalene and heteroatom co-doping compound, fabricating heteroatom co-doped graphene quantum dots from obtained mixture, and generating white light using obtained white-light emitting quantum dots.

SAGAR V K, BISHT P B

Producing reduced graphene oxide scroll useful in energy storage field i.e. battery or supercapacitor, comprises dispersing reduced graphene oxide in ethyl alcohol, forming laminate with stacked reduced graphene oxides, and irradiating.

HYEONG K S, PARK C L, CHOI J M, KOBYUNGHWA

Producing core-shell composite used for electrodes in secondary batteries, comprises e.g. preparing active material paste by mixing hydrophobic particles and alcohol, and preparing spray solution by mixing dough with hydrophilic graphene.

YANG S, LEE G, JEONG S, KIM I, JUNG S Y, KIM B, RYUJIHYUN, LEE H, BAEK J G