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    • 9. 发明授权
    • Preparation of a carbon nanomaterial using a reverse microemulsion
    • 使用反相微乳液制备碳纳米材料
    • US08318122B2
    • 2012-11-27
    • US12248993
    • 2008-10-10
    • Cheng ZhangBing Zhou
    • Cheng ZhangBing Zhou
    • C01B31/02B82B3/00
    • B82Y30/00C01B32/05
    • Powdered, amorphous carbon nanomaterials are formed from a carbon precursor in reverse microemulsion that includes organic solvent, surfactant and water. Methods for manufacturing amorphous, powdered carbon nanomaterials generally include steps of (1) forming a reverse microemulsion including at least one non-polar solvent, at least one surfactant, and at least one polar solvent, (2) adding at least one carbon precursor substance to the reverse microemulsion, (3) reacting the at least one carbon precursor substance so as to form an intermediate carbon nanomaterial, (4) separating the intermediate amorphous carbon nanomaterial from the reverse microemulsion, and (5) heating the intermediate amorphous carbon nanomaterial for a period of time so as to yield an amorphous, powdered carbon nanomaterial. Amorphous, powdered carbon nanomaterials manufactured according to the present disclosure typically have a surface area of at least 500 m2/g, a graphitic content of at least 25%, and a conductivity of at least 150 S/m.
    • 粉末状无定形碳纳米材料由反相微乳液中的碳前体形成,其包括有机溶剂,表面活性剂和水。 制造无定形粉末状碳纳米材料的方法通常包括以下步骤:(1)形成包含至少一种非极性溶剂,至少一种表面活性剂和至少一种极性溶剂的反相微乳液,(2)加入至少一种碳前体物质 (3)使至少一种碳前体物质反应以形成中间碳纳米材料,(4)将中间无定形碳纳米材料与反相微乳液分离,(5)将中间无定形碳纳米材料加热至 一段时间以产生无定形的粉末状碳纳米材料。 根据本公开制造的无定形粉末碳纳米材料通常具有至少500m 2 / g的表面积,至少25%的石墨含量和至少150S / m的电导率。