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Citation: Cao Nai-Zhen, Shen Wan-Ci, Wen Shi-Zhu. The Characterization of the Porous Structure of Expanded Graphite[J]. Acta Physico-Chimica Sinica, ;1996, 12(08): 766-768. doi: 10.3866/PKU.WHXB19960819 shu

The Characterization of the Porous Structure of Expanded Graphite

1.
National Key Laboratory of Tribology,Tsinghua University,Beijing 100084

Received Date: 12 January 1996
Available Online: 15 August 1996

N2 adsorption , mercury porosimetry and scanning electron microscope (SEM ) were chosen in this work to investigate the pore size distribution, pore shape, specific surface area and pore volume of expanded graphite, a new type of porous carbon material. The results showed that expanded graphite is dominated by middle and large sizes of wedge-pores with cross section of slit or poly n. It has a relatively medium specific surface area and may be suitab1e for adsorbing large molecules.
- Expanded graphite,
- Porous structure,
- Characterization
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