国家/地区 韩国（6） 美国（5） 中国（4） 世界知识产权组织（3）
IPC部 B（10）
IPC大类 B01（10）
IPC小类 B01J（10）
IPC B01J019/10（10）
发明人
公开年 2017（3） 2012（2） 2023（2）
申请年 2016（3）  2012（2）  2021（2） 
专利权人

Producing nanosheet dispersion comprises reducing interlayer bonding strength by adding two-dimensional material having layered structure into solution containing aionic material and forming covalent bond by entering between layers.

NOHYONGYOUNG, KIM H J, KIM H, NOH Y Y, LU R

Preparing graphene nanofluids by microwave-coupled ultrasonic one-step method comprises immersing graphene precursor in solvent, pre-mixing, placing mixture in microwave reactor with ultrasonic function, carrying out microwave heating liquid phase exfoliation and adjusting appropriate pH.

QI G, GUO S, CHENG S

Manufacturing biocompatible graphene quantum dots useful in bio-electronic device for bio-imaging and bio-sensing comprises preparing hydrogen-terminated graphene quantum dot and hydrophilizing hydrogen-terminated graphene quantum dots.

CHO S O, LEENAEUN

Preparing graphene quantum dots under coupling action of magnetic field and ultrasonic field, comprises e.g. preparing graphene oxide, and adding graphene oxide to deionized water.

BAO B, ZHU X, GAO H

Producing isolated graphene sheets from supply of coke or coal powder, used in composite material, comprises dispersing particles of coke or coal powder in liquid medium to produce suspension, and exposing suspension to ultrasonication.

ZHAMU A, JANG B Z

Preparation of graphene ink involves growing graphene on metal substrate, removing metal substrate, and dispersing graphene in dispersion medium.

KIM Y N, LEE S K, PARK C W, YANG W S

Preparing graphene ink involves dispersing graphite flakes in organic solvent, ultrasonicating dispersion, separating supernatant by centrifuging ultrasonically treated dispersion to remove supernatant and adding 1-5C alcohol.

KIM S J, JIN J

Producing graphene sheet or ribbon involves attaching metal to carbon nanotube; treating metal to bond chemically to nanotube; removing metal from nanotube; unzipping nanotube into graphene sheet or ribbon, useful for making supercapacitors.

CHEN W, CUI X

Reducing agent for graphene oxide used in e.g. conductors, comprises reducing agent containing halogen element and trifluoroacetic acid.

LEE H Y, CUI P, LEE H

Composition useful for preparing reduced graphene oxide material used in ultracapacitor, comprises a suspension of a graphite material or a graphene material in a non-aqueous liquid.

RUOFF R S, STOLLER M D, ZHU Y