کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7212190 | 1469344 | 2018 | 26 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Long-life electrochemical supercapacitor based on a novel hierarchically carbon foam templated carbon nanotube electrode
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی (عمومی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
In this work, a long-life and high-performance electrode material is successfully fabricated by the incorporation of carbon nanotube (CNT) with different length using chemical vapor deposition (CVD) on a hierarchically three dimensional (3D) carbon foam (CF), which is obtained from the mesophase pitch. The morphology, composition, and electrochemical performance of the as-prepared composites are characterized using the scanning electron microscope (SEM), Raman spectroscopy, X-ray diffraction (XRD) patterns, cyclic voltammetry, and galvanostatic charge/discharge cycling techniques. Characterizations suggest that this resultant CF/CNT-50 electrode material has a good cycling stability with capacitance retention of 96.5% even after 10000 cycles. Moreover, it shows a high mass capacitance of 227.5â¯F/g based on the resultant electrode materials, higher energy density of 28â¯Wh kgâ1 and power density of 3700â¯Wâ¯kgâ1 at a current density 2â¯Aâ¯gâ1 and also excellent charge/discharge rate. These measured charge storage properties make the proposed hybrid materials excellent electrode material candidates for high performance supercapacitors.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composites Part B: Engineering - Volume 141, 15 May 2018, Pages 250-257
Journal: Composites Part B: Engineering - Volume 141, 15 May 2018, Pages 250-257
نویسندگان
Alei Dang, Tiehu Li, Chuanyin Xiong, Tingkai Zhao, Yudong Shang, Heguang Liu, Xudong Chen, Hao Li, Qiang Zhuang, Shengzhao Zhang,