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公开(公告)号：US20210070614A1
公开(公告)日：2021-03-11
申请号：US16763205
申请日：2018-11-08
发明人： Shangkui Li , Bing Wang , Bo Li , Xianxin Li , Haiping Zou , Minfeng Zhu
IPC分类号： C01B32/162 , B01J23/755 , C01B32/164 , B01J8/18 , B01J8/42
摘要： A method and a device for preparing a carbon nanotube and a prepared carbon nanotube. The method includes: adding iron pentcarbonyl and nickel tetracarbonyl into a multi-stage series fluidized bed and performing decomposition to obtain a catalyst, and discharging the carbon monoxide generated; adding a carbon source and injecting an inert gas into the series fluidized bed for reaction under heating at 600-800° C. for 40-90 min, the ratio of the mass of carbon in the carbon source to the mass of the catalyst being 5-7:3-5. Further provided are a device for preparing a carbon nanotube according to the above method and a carbon nanotube prepared by the above method.
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公开(公告)号：US11608268B2
公开(公告)日：2023-03-21
申请号：US16763205
申请日：2018-11-08
发明人： Shangkui Li , Bing Wang , Bo Li , Xianxin Li , Haiping Zou , Minfeng Zhu
IPC分类号： C01B32/162 , C01B32/164 , B01J8/18 , B01J8/42 , B01J23/755
摘要： A method and a device for preparing a carbon nanotube and a prepared carbon nanotube. The method includes: adding iron pentcarbonyl and nickel tetracarbonyl into a multi-stage series fluidized bed and performing decomposition to obtain a catalyst, and discharging the carbon monoxide generated; adding a carbon source and injecting an inert gas into the series fluidized bed for reaction under heating at 600-800° C. for 40-90 min, the ratio of the mass of carbon in the carbon source to the mass of the catalyst being 5-7:3-5. Further provided are a device for preparing a carbon nanotube according to the above method and a carbon nanotube prepared by the above method.
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