国家/地区 中国（4） 韩国（2） 美国（2）
IPC部 B（5）
IPC大类 B01（5） C01（5） H01（5）
IPC小类 B01J（5）
IPC B01J021/18（5）
发明人
公开年 2013（2） 2014（2）
申请年 2013（5）
专利权人

Preparing graphene material, comprises adding graphene oxide into dispersion medium to obtain suspension of oxidized graphene, spray drying the suspension to obtain graphene granules; and reducing graphene particles by atmosphere reduction.

WANG Y, HONG M

Graphene film used in an electrode is obtainable by epitaxially growing metal layer on surface of substrate, peeling off the metal layer, and depositing graphene onto surface of metal layer.

WODTKE A, YU H K, ALEC W, HAK KI Y, YU H, YUK H K, YUK H

Graphene-based porous composite used in electrode active material comprises graphene; and a structure former contacting the grapheme, and is a metal oxide or a carbon compound and comprises pores in it.

SONG L H

Preparation of graphene comprises reacting graphite oxide and sulfuric acid under normal pressure or negative pressure.

JIN X, HONG Y

Preparation of porous graphene for aluminum-air cell involves carrying out high temperature heat treatment to graphite oxide precursor in muffle furnace, ultrasonically dispersing in alcohol to obtain black suspension liquid, and washing.

ZHOU Y, LIU C