کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6604705 1424096 2018 30 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Electropolymerization of poly(3,4-ethylenedioxythiophene) onto polyvinyl alcohol-graphene quantum dot-cobalt oxide nanofiber composite for high-performance supercapacitor
ترجمه فارسی عنوان
الکترو پلیمر سازی پلی (3،4-اتیلن دی سکته یوفن) روی پلی اتیلن الکل گرافن کامپوزیت کوانتومی نقطه کبالت اکسید کوانتومی برای ابرکاپاسیون با عملکرد بالا
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
چکیده انگلیسی
Fabrication of highly conductive nanofiber by coating polyvinyl alcohol-graphene quantum dot-cobalt oxide (PVA-GQD-Co3O4) nanofiber composite with a conductive material, poly(3,4-ethylenedioxythiophene) (PEDOT) for supercapacitor was successfully prepared via two-step technique i.e. electrospinning and electropolymerization. The prepared electrode materials were characterized using FTIR, Raman and XRD analysis to confirm the structure of the electrospun nanofiber composite. The presence of cauliflower-like structure studied by FESEM revealed that PEDOT was uniformly coated on PVA-GQD-Co3O4 electrospun nanofibers. The PVA-GQD-Co3O4/PEDOT nanofiber composite exhibited a specific capacitance of 361.97 F/g, low equivalent series resistance (ESR) and excellent stability with retention of 96% after 1000 cycles. The PVA-GQD-Co3O4/PEDOT nanofiber composite also demonstrated a high specific energy and excellent specific power ranged from 16.51 to 19.98 Wh/kg and 496.10-2396.99 W/kg, as the current density increased from 1.0 to 5.0 A/g.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 261, 20 January 2018, Pages 548-556
نویسندگان
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