国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C01B031/04（3）
发明人 LI T（3）
公开年 2014（3）
申请年 2013（3） 
专利权人 UNIV JIANGSU SCI TECHNOLOGY（3）

Preparation of graphene oxide involves pretreating graphite powder with acidic ionic liquid, adding mixture of acid and potassium permanganate, performing ultrasonic vibration, stirring, heat-treating, centrifuging, washing, and drying.

LIU J, LI B, LI Q, JI G, FENG Y, TU J, LI T

Preparation of graphene ionic liquid involves adding graphite powder in ionic liquid, mixing, adding acid and potassium permanganate, performing ultrasonic vibration, absorbing oxygen, heating and stirring, centrifuging, and washing.

LIU J, LI B, LI Q, JI G, FENG Y, TU J, LI T

Preparation of graphene from graphite rods of waste batteries involves crushing graphite rods, cooling mixed solution of concentrated sulfuric acid and phosphoric acid, adding graphite powder and potassium permanganate, heating and reacting.

LI B, LI Q, FENG Y, JI G, LI T