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Combining polyaniline (PANI) with different dimensional carbon materials is an effective way to solve the disadvantages of poor rate performance and cycling stability induced by the structure destruction of conductive polymer materials over long-term charge/discharge cycles. In this work, novel three dimensional (3D) conical PANI nanothorns are synthesized on the buckypaper substrate via a controlled electropolymerization process. Benefiting from the synergistic effect of the vertical growth of PANI nanothorns and the excellent mechanical elasticity of multi-wall carbon nanotubes, it can effectively alleviate the volume change during the charging and discharging process of the electrode material and ensure the rapid transmission of electrons. The morphology and structure of the composite have been characterized by SEM, XRD and FT-IR. As a result, the electrode exhibits a high specific capacitance of 742 F g-1 at 1 A g-1 in 1 M H2SO4 electrolyte and a capacitance retention of 76% after 2000 cycles. The novel 3D PANI nanothorns/buckypaper composite has significant potential as practical for use electrode materials of supercapacitors due to its easy synthesis, low cost and high specific capacitance.
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Echocardiography amplified by the addition of depth to the conventional two-dimensional ECHOCARDIOGRAPHY visualizing only the length and width of the heart. Three-dimensional ultrasound imaging was first described in 1961 but its application to echocardiography did not take place until 1974. (Mayo Clin Proc 1993;68:221-40)
The process of generating three-dimensional images by electronic, photographic, or other methods. For example, three-dimensional images can be generated by assembling multiple tomographic images with the aid of a computer, while photographic 3-D images (HOLOGRAPHY) can be made by exposing film to the interference pattern created when two laser light sources shine on an object.
A plant genus of the family BRASSICACEAE that is grown in rock gardens. T. arvense is grown for its large, round ornamental seed pods. The common name of pennycress usually refers to this genus but may also refer to the genus Microthlaspi.
Three-dimensional computed tomographic imaging with the added dimension of time, to follow motion during imaging.
Methods of comparing two or more samples on the same two-dimensional gel electrophoresis gel.