气体流动状态对纳米碳纤维制备的影响

1.中国科学院,金属研究所,辽宁,沈阳,110015

2.中国科学院,金属研究所,辽宁,沈阳,110015

3.中国科学院,金属研究所,辽宁,沈阳,110015

4.中国科学院,金属研究所,辽宁,沈阳,110015

5.中国科学院,金属研究所,辽宁,沈阳,110015

基金项目: 国家科技攻关项目(715-004-0080) 中国科学院资助项目(59902009)

EFFECT OF GAS FLOWING STATE ON THE PREPARATION OF CARBON NANOFIBERS

研究了流动催化剂法制备纳米碳纤维时反应炉内的气体流动状态对制备纳米碳纤维的影响.利用在适宜区域内放置扰流管的方法改变气体的流动状态,能大量制备纯净小直径的气相生长纳米碳纤维.气体流动状态通过影响催化剂颗粒形成,即催化剂颗粒的大小、数量等,从而影响纳米碳纤维的直径和产率.

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