Modification of C/C Composite Bipolar Plate by Addition of Electro-Conductive Carbon Black
(주)코리아스칼라
- 최초 등록일
- 2016.04.02
- 최종 저작일
- 2001.12
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서지정보
ㆍ발행기관 : 한국탄소학회
ㆍ수록지정보 : Carbon letters / 2권 / 3호
ㆍ저자명 : Seung-Kon Ryu, Taek-Sung Hwang, Seung-Goo Lee, Sun-A Lee, Chang-Soo Kim
영어 초록
Modification of C/C composite bipolar plate for improving electrical conductivity was carried out by addition of electroconductive carbon black (EC-CB). Carbon black was carefully mixed to methanol-containing phenolic resin, impregnated into 2D-carbon fabrics, hot pressed and then carbonized to obtain composite plate. Inclusion of electro-conductive carbon black enhanced the electrical conductivity of the C/C composites by increasing the conduction path. Addition of 10 vol% carbon black increased the electrical conductivity from 5.5/Ωcm to 32/Ωcm and reduced the crack formation by filling effect, resulting in the increase of flexural properties of composite plate. However, at carbon black content over 10 vol%, flexural properties decreased by delaminating role of excess carbon black at the interface in C/C composites.
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