国家/地区 中国（4）
IPC部 D（4）
IPC大类 D01（4）
IPC小类 D01F（4） D01D（2）
IPC D01F006/50（4）
发明人
公开年 2022（4）
申请年 2022（2） 
专利权人

Preparation of carbon-coated current collector used in lithium ion battery, involves placing two ends of current collector in winding machine and unwinding machine, and placing electrostatic spinning liquid supply device comprising carbon-coated spinning liquid in two sides of collector.

JIANG Q, WU Y, DING R

Preparing composite fiber warp knitted fabric useful in textile field, comprises e.g. adding natural graphite powder and sodium nitrate into beaker, slowly pouring sulfuric acid into the beaker and slowly adding potassium permanganate powder.

SHI M, LIN H, LIN J

Magnetic nano fiber demulsifier useful for low-temperature gathering and transportation of crude oil, comprises ferric oxide nanoparticles as inner layer, magnetic graphene oxide nanocomposite as middle layer and nonionic surfactant as outer layer.

YANG S, ZHANG W, PANG Y, LI X, CHANG X, GUO J, ZHANG J, LIU J, ZHAO D, ZHONG R, TANG S, YE F, YAO B, ZHAO Y, LI Z

Preparing flame retardant non-woven fabric comprises e.g. adding prepared flame retardant electro-spinning liquid into upper glue groove, rolling and unrolling, horizontal and uniform rewinding, depositing on the upper non-woven fabric on upper non-woven fabric, cleaning and drying.

LIN L, WU X, WANG J, CHEN C, CUI D