کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1294088 | 973589 | 2009 | 5 صفحه PDF | دانلود رایگان |
Carbon nanosheets are comprised of 1–7 graphene layers that are predominantly vertically oriented with respect to a substrate. The thickness and morphology of the nanosheets can vary depending on the growth precursor and the substrate temperature. They have an ultra-low in-plane resistivity. The capacitance of carbon nanosheets was measured by cyclic voltammetry in a standard electrochemical three-electrode cell, which contains a platinum counter electrode and a standard mercury/mercurous sulfate reference electrode in 6 M H2SO4 electrolyte. As a working electrode, the capacitance of carbon nanosheets per area was found to be 0.076 F cm−2. A mathematical model was used to simulate the total possible capacitance of a virtual supercapacitor cell that contains carbon nanosheets as the electrode material and found to be 1.49 × 104 F.
Journal: Journal of Power Sources - Volume 194, Issue 2, 1 December 2009, Pages 1208–1212