公开(公告)号：US10766772B2

公开(公告)日：2020-09-08

申请号：US15803162

申请日：2017-11-03

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  Gachon University of Industry-Academic Cooperation Foundation

发明人： Tae-Young Kim ,  In-Kyu You ,  Bit Na Kim ,  In Gyoo Kim ,  Sung-Hoon Jung ,  Seung-Jun Park

IPC分类号： C01B32/198 ,  H01M4/62 ,  B01J35/02 ,  C01B32/184 ,  B01D71/02 ,  H01M4/36 ,  H01G11/86 ,  H01G11/24 ,  H01G11/32 ,  H01G11/34

摘要： A method for preparing a three-dimensional graphene structure, and an energy storage device are provided, the method including forming a graphene precursor by heating a carbohydrate and a gas generator, forming a graphene structure having a cavity therein by carbonizing the graphene precursor, and forming nanopores in the graphene structure, wherein the nanopores pass through an outer surface and an inner surface of the graphene structure, and are connected with the cavity.