国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4） C09（2）
IPC小类 C01B（4）
IPC C01B032/19（4）
发明人 ZHAO Z（4）
公开年 2023（4）
申请年 2022（2） 
专利权人 SHANGHAI LEV.（2）

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

Preparation of high-thermal conductivity graphene heat-dissipation film involves adding graphene oxide film to be treated to chamber of continuous microwave processing equipment, vacuuming chamber, pretreating, and performing photoreduction and high-temperature structural reformation process.

ZHAO Z, ZHANG Y

Method for preparing perovskite solar battery graphene electronic transmission layer, involves performing coating on surface of transparent electrode substrate to form liquid film by using electronic transmission precursor solution, and performing hot pressing by using graphene film.

QIN W, FU F, CAI Z, LI X, QIN X, ZHAO D, ZHAO Z, LI W

Method for preparing graphene powder by combining sand mill with high pressure gas flow, involves providing micron-sized graphite powder by sand mill for sand grinding pre-treatment to obtain first graphite powder, where feeding speed of high-pressure air flow impact is provided.

CHEN Q, ZHAO Z, ZHANG Y, SHEN L