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논문 리스트

2018
Magadiite 주형을 이용한 다공성 흑연제조에 미치는 Co와 Ni 촉매 효과 Effect of Co and Ni Catalyst on the Preparation of Porous Graphite Using Magadiite Template
한국재료학회
논문정보
Publisher
한국재료학회지
Issue Date
2018-03-28
Keywords
-
Citation
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Source
-
Journal Title
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Volume
28
Number
3
Start Page
189
End Page
194
DOI
ISSN
12250562
Abstract
Porous graphites were synthesized by removing the template in HF after cabothermal conversion for 3 h at 900 oC, accompanied by intercalations of pyrolyzed fuel oil (PFO) in the interlayer of Co or Ni loaded magadiite. The X-ray powder diffraction pattern of the porous graphites exhibited 00l reflections corresponding to a basal spacing of 0.7 nm. The particle morphology of the porous graphites was composed of carbon plates intergrown to form spherical nodules resembling rosettes like a magadiite template. TEM shows that the cross section of the porous graphites is composed of layers with very regular spaces. In particular, crystallization of the porous graphite was dependent on the content of Co or Ni loaded in the interlayer. The porous graphite had a surface area of 328-477 m2/g. This indicates that metals such as Co and Ni act as catalysts that accelerate graphite formation.

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