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 ZENG C（3）
公开年
申请年
专利权人 WENZHOU MEDI.（2）

Preparing graphene from biological calcium carbonate source, useful as electrode material in e.g. batteries, comprises e.g. reacting pure biological calcium carbonate with a metal reducing agent, and treating with an aqueous acid solution.

YAO L, BAO Z, LIU H, LI X, GUO Y, WANG D, ZENG C, ZHANG W

Preparing edge of nitrogen-doped graphene involves milling the graphite powder and nitrogen-containing polymer, mixing powder with water and centrifuging, and dialyzing obtained solution with water until solution becomes neutral.

QU J, YAN L, LIU Y, ZENG C, CHEN Z, DAI L

Preparation of hydroxyl functional graphene involves adding graphite powder and potassium hydroxide solid to ball milling tank, rolling, continuously ball milling, and removing unreacted potassium hydroxide until solution is neutral.

CHEN H, DAI L, QU J, LIU Y, ZENG C