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    • 1. 发明授权
    • Method for preparing carbon nanotube or carbon microtube
    • 制备碳纳米管或碳​​微管的方法
    • US08945501B2
    • 2015-02-03
    • US14040768
    • 2013-09-30
    • Jianhong LiuJian XuShuangquan Wu
    • Jianhong LiuJian XuShuangquan Wu
    • D01F9/14D01F9/22C01B31/02H01B1/04
    • C01B31/0226B82Y30/00B82Y40/00C01B32/05C01B32/16C01B32/18D01F9/22H01B1/04
    • A method for preparing a carbon nanotube, including: a) preparing an LPAN solution, stirring the LPAN solution at between 100 and 200° C. for between 100 and 200 hours to yield a cyclized LPAN solution; b) heating the cyclized LPAN solution at between 200 and 300° C. for between 1 and 10 hours to yield an OPAN; c) grinding, screening, and drying at room temperature the OPAN to yield a thermal oxidative precursor; d) calcining the thermal oxidative precursor at between 400 and 1000° C. for between 1 and 24 h in the presence of inert gas having a flow rate of between 10 and 500 mL/min to yield a carbonated precursor; and e) calcining the carbonated precursor at between 1000 and 1500° C. for between 1 and 10 hours in the presence of the inert gas having a flow rate of between 10 and 500 mL/min to yield a carbon nanotube material.
    • 一种制备碳纳米管的方法,包括:a)制备LPAN溶液,在100-200℃之间搅拌LPAN溶液100至200小时,得到环化的LPAN溶液; b)在200和300℃之间加热环化的LPAN溶液1至10小时以产生OPAN; c)在室温下研磨,筛选和干燥OPAN以产生热氧化前体; d)在流动速率为10至500mL / min的惰性气体存在下,将热氧化前体在400至1000℃之间煅烧1至24小时,得到碳酸化前体; 和e)在1000至1500℃之间的惰性气体存在下,在1000至1500℃之间煅烧碳酸化前体1至10小时,得到碳纳米管材料。
    • 10. 发明授权
    • Method of preparing carbon-coated manganous oxide and carbon-coated manganous oxide prepared using the method
    • 使用该方法制备碳涂覆的二氧化锰和碳涂覆的二氧化锰的方法
    • US09458330B2
    • 2016-10-04
    • US14946800
    • 2015-11-20
    • Jianhong Liu
    • Jianhong LiuQianling ZhangChuanxin HeChuhong Liao
    • C09D5/16B05D1/18B05D3/02B05D3/00
    • C09D5/1618A01N59/16B05D1/18B05D3/007B05D3/0272B63B59/04C08K9/02C09D5/1612C09D7/62A01N25/10
    • A method of preparing carbon-coated manganous oxide, the method including: (1) preparing a liquid polyacrylonitrile (LPAN) solution as a carbon source, stirring the LPAN solution at between 100 and 200° C. to yield a cyclized polyacrylonitrile solution; (2) heating the cyclized LPAN solution at between 200 and 300° C. to yield a thermally-oxidized polyacrylonitrile (OPAN) having a ladder structure; (3) mixing the thermally-oxidized polyacrylonitrile with a manganese compound, to yield a mixture, and adding a solvent to the mixture, uniformly mixing, to yield a polyacrylonitrile coated manganese compound; (4) drying the polyacrylonitrile coated manganese compound until the solvent is evaporated completely and the polyacrylonitrile coated on the manganese compound is crosslinked to form a solid, to yield a carbonized precursor coated manganese compound; and (5) calcining the carbonized precursor coated manganese compound in the presence of an inert gas flow, to yield a carbon-coated manganous oxide.
    • 一种制备碳涂覆的二氧化锰的方法,该方法包括:(1)制备作为碳源的液体聚丙烯腈(LPAN)溶液,在100-200℃下搅拌LPAN溶液,得到环化的聚丙烯腈溶液; (2)在200-300℃之间加热环化的LPAN溶液,得到具有梯形结构的热氧化聚丙烯腈(OPAN); (3)将热氧化聚丙烯腈与锰化合物混合,得到混合物,向混合物中加入溶剂均匀混合,得到聚丙烯腈包覆的锰化合物; (4)干燥包覆的聚丙烯腈的锰化合物,直到溶剂完全蒸发,涂覆在锰化合物上的聚丙烯腈交联以形成固体,得到碳化前体包被的锰化合物; 和(5)在惰性气流的存在下煅烧碳化前体包覆的锰化合物,得到碳涂覆的二氧化锰。