NOVELTY - Fabrication of capacitor (100,200,300,400,500,600,700) involves depositing several carbon nanotube-magnetic catalyst nanoparticle structures dispersed in an ionic liquid over a primary conductor, moving several carbon nanotube-magnetic catalyst nanoparticle structures toward the primary conductor, coupling the magnetic catalyst nanoparticles to the primary conductor and forming a several primary fixed carbon nanotubes, depositing several primary fixed carbon nanotubes over the several primary fixed carbon nanotubes, and forming primary free carbon nanotubes.    USE - Fabrication of capacitor e.g. electrochemical supercapacitors is used as energy storage device.    ADVANTAGE - The method enables the fabrication of capacitor with excellent durability, and high power density, energy density, and surface area, by economical process.    DETAILED DESCRIPTION - Fabrication of capacitor involves depositing several carbon nanotube-magnetic catalyst nanoparticle structures dispersed in an ionic liquid over a primary conductor, moving several carbon nanotube-magnetic catalyst nanoparticle structures toward the primary conductor and aligning the carbon nanotubes perpendicular to the primary conductor using an applied magnetic field, coupling the magnetic catalyst nanoparticles to the primary conductor and forming a several primary fixed carbon nanotubes, depositing several primary fixed carbon nanotubes dispersed and moveable in the ionic liquid over the several primary fixed carbon nanotubes, and forming several primary free carbon nanotubes. The each carbon nanotube of the several primary free carbon nanotubes and several carbon nanotube-magnetic catalyst nanoparticle structures is coated using several ions of the ionic liquid. The ionic liquid contains nonvolatile liquid salt. The several carbon nanotube-magnetic catalyst nanoparticle structures contain carbon nanotubes coupled to magnetic catalyst nanoparticles.    DESCRIPTION OF DRAWING(S) - The drawing shows the perspective view of the capacitor.    Leads (15,25)    Sealant (35)    Capacitor (100,200,300,400,500,600,700)