甲烷在Ni/SiO2催化剂上裂解制碳纳米管和氢气

Production of Carbon Nanotubes and Hydrogen via Methane Decomposition over Ni/SiO2 Catalysts

摘要: 采用以单分散硅溶胶为前驱体合成的担载Ni／SiO2催化剂，研究了甲烷裂解制碳纳米管和氢气的关联性，并对所制得的纳米管进行了纯化研究。结果表明，该催化剂催化甲烷裂解产生大量碳纳米管的同时，也得到不含CO的氢源。该方法结合了催化裂解合成碳纳米管和裂解制氢工艺，将十分具有应用潜力。

Abstract: Carbon nanotubes production and its relation with hydrogen via methane decomposition were investigated over a novel Ni/SiO 2 catalyst using monodisperse silica sol as support precursor. The purification of carbon nanotubes was also studied in the present