国家/地区 中国（4）
IPC部 C（4） B（2） H（2）
IPC大类 C01（4） C22（4） H01（2）
IPC小类 C01B（4）
IPC C01B032/19（4）
发明人
公开年
申请年 2016（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

Recovering lithium from graphite negative electrodes of waste lithium ion batteries and preparing porous graphene involves disassembling waste lithium ion battery to obtain graphite negative electrode sheet.

XU J, ZHANG J, LEI Y, XIAO F, WU Z

Producing isolated graphene sheets from layered graphite material having hexagonal carbon atomic interlayers with interlayer spacing, comprises e.g. forming alkali metal ion-intercalated graphite by electrochemical intercalation procedure.

ZHAMU A, JANG B Z

Preparation of mechanical peeling type highly conductive composite graphene, involves placing graphite material into electrolyte, inter-penetrating metal ions into material, reacting metal halide salt with solvent, and decomposing.

CHEN Q, CHEN B, SUN L, YE R