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    • 4. 发明申请
    • METHOD, SYSTEM AND INJECTION SUBSYSTEM FOR PRODUCING NANOTUBES
    • 用于生产纳米管的方法,系统和注入子系统
    • WO2015040371A2
    • 2015-03-26
    • PCT/GB2014/052792
    • 2014-09-15
    • FGV CAMBRIDGE NANOSYSTEMS LIMITEDKOZIOL, Krzysztof KazimierzJOAUG, Jerome Yi-ZhePAUKNER, CatharinaKURZEPA, Lukasz
    • KOZIOL, Krzysztof KazimierzJOAUG, Jerome Yi-ZhePAUKNER, CatharinaKURZEPA, Lukasz
    • C01B31/02
    • C01B31/024B82Y30/00B82Y40/00C01B21/0646C01B32/162C01B32/164C01P2002/82C01P2002/88C01P2004/03C01P2004/04C01P2004/13C23C16/4557C23C16/45574C23C16/45578C30B25/00C30B29/403C30B29/602D01F9/08D01F9/133
    • A floating catalyst chemical vapour deposition method for producing nanotubes, the method including: supplying a nanotube-material precursor and a catalyst precursor, heating said precursors and injecting said precursors into a heated reaction chamber containing a process gas; pyrolysing the catalyst precursor within the reaction chamber to produce catalyst particles; and pyrolysing the nanotube-material precursor within the reaction chamber in the presence of the catalyst particles in order to produce nanotubes; wherein the method further comprises controlling the size of the catalyst particles at the point of pyrolysis of the nanotube-material precursor by controlling the operational parameters of the reaction chamber and/or of the precursor supplies. A corresponding system for producing nanotubes is also provided. Further provided is an injector subsystem for attachment to a reaction chamber, the injector subsystem comprising: a first portion having a first set of injection pipes for receiving species for delivery into the reaction chamber; and an interface portion that is removably attachable between the first portion and the reaction chamber in use, the interface portion comprising at least one injection pipe arranged to receive the species provided by the first set of injection pipes and to inject said species into the reaction chamber in use;the injector subsystem being operable in use such that, with the interface portion removed, said first set of injection pipes are operable to individually inject their respective species into the reaction chamber, and with the interface portion attached, a pre-mixing chamber is defined by the interface portion in combination with the first portion, for pre-mixing the species provided by the first set of injection pipes prior to the species entering the at least one injection pipe of the interface portion.
    • 一种用于制备纳米管的浮动催化剂化学气相沉积方法,所述方法包括:供应纳米管材料前体和催化剂前体,加热所述前体并将所述前体注入含有工艺气体的加热反应室中; 在反应室内热解催化剂前体以产生催化剂颗粒; 并在催化剂颗粒的存在下在反应室内热解纳米管材料前体以产生纳米管; 其中所述方法还包括通过控制所述反应室和/或所述前体供应的操作参数来控制所述纳米管材料前体热分解时所述催化剂颗粒的尺寸。 还提供了一种生产纳米管的相应系统。 还提供了一种用于连接到反应室的注射器子系统,所述注射器子系统包括:第一部分,其具有第一组注射管,用于接收用于递送到反应室中的物质; 以及接口部分,其在使用中可移除地附接在所述第一部分和所述反应室之间,所述界面部分包括至少一个注入管,所述至少一个注入管布置成接纳由所述第一组注射管提供的物种,并将所述物质注入所述反应室 喷射器子系统在使用中是可操作的,使得在去除了界面部分的情况下,所述第一组喷射管可操作以将它们各自的物质单独地喷射到反应室中,并且在界面部分附接有预混合室 由所述界面部分与所述第一部分组合限定,用于在所述物质进入所述界面部分的所述至少一个注射管之前,预先混合由所述第一组注射管提供的物种。