国家/地区 中国（3）
IPC部 B（3）
IPC大类 C22（3）
IPC小类 C22B（3） B09B（2） C01B（2）
IPC C22B007/00（3）
发明人
公开年
申请年 2022（2） 
专利权人

Waste lithium-ion battery recycling method based on selective enhanced crushing method, involves extracting metal and its maintenance by supercritical fluid/subcritical fluid, and using supercritical fluid/subcritical fluid extraction in situ preparation graphene from anode material.

SHI H, LU Y

Extracting silver from waste solar battery assembly comprises e.g. manually disassembling and separating each component of waste solar panel, performing primary classification and recycling, collecting waste solar silicon plate, heating, removing ethylene-vinyl acetate, and reducing silver ion.

HUANG Q, LI F, YUAN W, HUANG M

Producing graphene hub by using fly ash carbon dioxide comprises e.g. extracting alumina, titania and magnesia from fly ash, capturing the carbon dioxide from metallurgical, coal chemical or power plant, calcining and hot-melting graphene.

CHENG L, LIU X, XIANG Y, LIU H