Synergistic catalytic effect of Ti–B on the graphitization of polyacrylonitrile-based carbon fibers

Autor:	Weixin Yu, Fengying Zhang, Qingyun Cai, Craig A. Grimes, Shihai Xu, Thomas J. LaTempa, Dongmei He
Rok vydání:	2008
Předmět:	chemistry.chemical_compound Materials science chemistry Anodizing Polyacrylonitrile General Materials Science General Chemistry Electrolyte Active surface Composite material Catalysis Titanium oxide Catalytic effect
Zdroj:	Carbon. 46:1506-1508
ISSN:	0008-6223
DOI:	10.1016/j.carbon.2008.06.043
Popis:	A novel carbon fiber pretreatment is proposed. PAN-based carbon fibers are first anodized in a H3PO4 electrolyte to achieve an active surface, and then coated with Ti–B catalyst by immersion of the carbon fibers in a uniformly dispersed H3BO3-doped TiO2 sol. The as-treated carbon fibers are then graphitized at 2400 °C for 2 h. The effects of the anodization and the Ti–B catalyst on the graphitization are investigated.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::3c82296347596688fc4d1fca1ab87803 https://doi.org/10.1016/j.carbon.2008.06.043 Zobrazit plný text záznamu Full Text from ScienceDirect