国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3） H01（2）
IPC小类 C01B（3）
IPC C01B032/19（2）
发明人 ZHANG S（3）
公开年 2023（3）
申请年 2023（2） 
专利权人 UNIV SHENYAN.（2）

Method for preparing graphene by using graphite negative electrode recycled waste lithium, involves using vacuum filtering device to clean electrolytic liquid after electrolytic peeling, freezing and drying graphene processed solution, and sieving powder to prepare finished product graphene.

ZHANG S, ZHANG Z, YANG Q, LIU Q, LIU L, ZHAO H, HU L

Graphene carbide/silicon carbide composite material used in electromagnetic shielding device, comprises multiple graphene of silicon carbide crystal grains uniformly distributed to form thin film.

LI Z, ZHANG L, TU R, XU Q, ZHANG S

Preparing graphene for preparing lead-carbon alloy cathode material, comprises e.g. adding electrolyte into electrolytic cell, pre-electrolyzing graphite sheets bound by titanium mesh, suction filtering, powdering freeze-dried graphene and mixing with activated pore-forming agent, activating.

ZHANG S, ZHANG Z, YANG Q, LIU Q, LIU L, ZHAO H, HU L