国家/地区 中国（6）
IPC部 B（6）
IPC大类 B01（6）
IPC小类 B01J（6） C01B（5） C02F（2）
IPC B01J027/24（6）
发明人 LI J（2） WANG X（2）
公开年 2023（6）
申请年 2022（5） 
专利权人

Preparation of graphene composite material involves dispersing nitrogen-doped titanium dioxide powder in water to form suspension, adding graphene oxide solution, reacting, cooling, centrifuging, washing with distilled water, and drying.

GUO H, WENG X

Preparation of nitrogen-doped porous graphene used as e.g. catalyst, involves dispersing amino-modified graphene oxide in water, controlling solid content of obtained dispersion to prepare thick slurry, and irradiating with microwaves.

WANG X, LI J, YU F, DU Z, WANG J

Preparation of nitrogen-phosphorus-doped graphene perovskite lanthanum nickel oxide catalyst for preparing hydrogen, involves ultrasonically-dispersing graphene oxide in water, adding e.g. ammonium dihydrogen phosphate, stirring, reacting, cooling, filtering, and washing.

ZOU C, JIA L

Preparing nano metal catalyst, comprises e.g. preparing metal nanoparticles, dissolving it in a cyclohexane, dispersing activated carbon in mixed solvent consisting of methanol and cyclohexane, and adding obtained solution under stirring and/or ultrasonic conditions.

ZHOU T, LI J

Preparing nitrogen-doped porous graphene used for efficient catalytic reduction of aromatic nitro compound, involves preparing graphene oxide suspension and freeze-drying; dispersing graphene oxide aerogel, nitrogen-containing precursor and activating agent into deionized water.

QI M, WANG M

Preparing purple phosphorus-based photocatalytic material useful in photocatalytic water splitting to produce hydrogen, comprises dispersing purple phosphorus nano material and two-dimensional material in organic solvent, ultrasonic processing, filtering, washing and drying.

WANG Y, WANG X