• 专利标题:   Preparing carbon nanotube and/or graphene reinforced lead-based composite anode by nano-metallurgy method comprises e.g. mixing metal salt, combustion agent and solvent to obtain precursor solution and mixing carbon nanotubes or graphene.
  • 专利号:   CN108690919-A
  • 发明人:   YANG C, SHEN Q, ZHAI D
  • 专利权人:   UNIV KUNMING SCI TECHNOLOGY
  • 国际专利分类:   C22C001/10, C22C001/05, C22C011/00, C22C026/00, C25C007/02, B22F003/02, B22F003/10, B22F009/04
  • 专利详细信息:   CN108690919-A 23 Oct 2018 C22C-001/10 201883 Pages: 9 Chinese
  • 申请详细信息:   CN108690919-A CN10459107 15 May 2018
  • 优先权号:   CN10459107

▎ 摘  要

NOVELTY - Preparing carbon nanotube and/or graphene reinforced lead-based composite anode by nano-metallurgy method comprises e.g. mixing metal salt, combustion agent and solvent to obtain precursor solution, adding carbon nanotubes and/or graphene to obtain a solution containing carbon nanotubes and/or graphene particle, where concentration of the metal salt in the solution containing the carbon nanotubes and/or the graphene particles is 0.0001-0.1 mol/l, concentration of the combustion agent is 10-100 g/l, amount of carbon nanotubes and/or graphene is 0.01-2 g/l the solution containing carbon nanotubes and/or graphene particle; filtering carbon nanotubes and/or graphene particle, naturally drying, heating at 200-700 degrees C under argon or air atmosphere to obtain carbon nanotubes and/or graphene-loaded metal or metal oxide nanoparticle and then alloying lead powder and carbon nanotubes and/or graphene-supporting metal or metal oxide nanoparticles in a high-energy ball mill. USE - The method is useful for preparing carbon nanotube and/or graphene reinforced lead-based composite anode by nano-metallurgy method. ADVANTAGE - The graphene reinforced lead: has simple preparation process, low cost, excellent catalytic performance and long service life. DETAILED DESCRIPTION - Preparing carbon nanotube and/or graphene reinforced lead-based composite anode by nanometallurgy method comprises (i) mixing metal salt, combustion agent and solvent to obtain precursor solution, adding carbon nanotubes and/or graphene to obtain a solution containing carbon nanotubes and/or graphene particle, where concentration of the metal salt in the solution containing the carbon nanotubes and/or the graphene particles is 0.0001-0.1 mol/l, concentration of the combustion agent is 10-100 g/l, amount of carbon nanotubes and/or graphene is 0.01-2 g/l the solution containing carbon nanotubes and/or graphene particle; filtering carbon nanotubes and/or graphene particle, naturally drying, heating at 200-700 degrees C under argon or air atmosphere to obtain carbon nanotubes and/or graphene-loaded metal or metal oxide nanoparticle, (ii) alloying lead powder and carbon nanotubes and/or graphene-supporting metal or metal oxide nanoparticles obtained in step (i) in a high-energy ball mill under vacuum or inert atmosphere to obtain a composite powder, where amount of carbon nanotubes and/or graphene-supporting metal or metal oxide nanoparticles is 0.1-1 wt.% the composite powder, and (iii) cold-forming composite powder obtained in step (ii) at 20-50 MPa and then sintering at 250 degrees C for 4 hours under a reducing atmosphere to obtain final product.