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논문 기본 정보

자료유형
동향자료
저자정보
Kang, Dong-Su (School of Advanced Materials and Systems Engineering, Kumoh National Institute of Technology) Roh, Jea-Seung (School of Advanced Materials and Systems Engineering, Kumoh National Institute of Technology)
저널정보
한국탄소학회 Carbon letters Carbon letters 제14권 제2호
발행연도
2013.1
수록면
110 - 116 (7page)

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초록· 키워드

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This study investigated a developed process for producing a composite bipolar plate having excellent conductivity by using coal tar pitch and phenol resin as binders. We used a pressing method to prepare a compact of graphite powder mixed with binders. Resistivity of the impregnated compact was observed as heat treatment temperature was increased. It was observed that pore sizes of the GCTP samples increased as the heat treatment temperature increased. There was not a great difference between the flexural strengths of GCTP-IM and CPR-IM as the heat treatment temperature was increased. The resistivity of GPR700-IM, heat treated at $700^{\circ}C$ using phenolic resin as a binder, was $4829{\mu}{\Omega}{\cdot}cm$ which was best value in this study. In addition, it is expected that with the appropriate selection of carbon powder and further optimization of process we can produce a composite bipolar plate which has excellent properties.

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