Synthesis and methane storage of binder-free porous graphene monoliths

查看全文 作　　者：Guoqing [1]Ning;Hao [1]Wang;Xiaoxin [1]Zhang;Chenggen [1]Xu;Guangjin [1]Chen;Jinsen [1]Gao

机构地区：[1]State Key Laboratory of Heavy Oil Processing,China University of Petroleum

出　　处：《Particuology》索引2013年第11卷第4期,共6页

基　　金：supported by Science Foundation of China University of Petroleum,Beijing(QD-2010-03) 摘　　要：Nanomesh graphene(NMG) obtained by template chemical vapor deposition was used to synthesize the binder-free graphene monoliths by simple tablet pressing.The stacking manner of the NMG sheets was crucial to the cohesion interaction between the graphene sheets,only the NMG materials with a loosely stacking manner could be pressed into binder-free monoliths.At the tableting pressure of 2-8 MPa,both the bulk densities and the specific surface areas of the monoliths keep nearly constant as the tableting pressure increases,indicating that the NMG monoliths have obvious elasticity and a porous structure due to the large corrugations and the mesh structures of the graphene sheets.As a result,an extraordinary methane storage capacity of 236(v/v) at 9 MPa was obtained in the graphene monolith prepared by tableting at 4 MPa. 关键词：多孔石墨无粘结剂存储容量甲烷合成化学气相沉积法相互作用堆积方式

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Synthesis and methane storage of binder-free porous graphene monoliths

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