Free-Standing and Heteroatoms-Doped Carbon Nanofiber Networks as a Binder-Free Flexible Electrode for High-Performance Supercapacitors
Abstract
:1. Introduction
2. Materials and Methods
2.1. Synthesis of Heteroatoms-Doped Activated Carbon Nanofiber Networks (ACFNs)
2.2. Characterization
3. Results and Discussion
3.1. Morphology and Structure
3.2. Electrochemical Performance
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Sample | (a) ACF-0 | (b) ACF-3.9% PDPP | (c) ACF-6.4% PDPP | (d) ACF-10.3% PDPP | (e) ACF-12.9% PDPP |
---|---|---|---|---|---|
ID/IG | 0.88 | 0.90 | 0.91 | 0.94 | 0.91 |
C | O | N | P | N1s (at %) | ||
---|---|---|---|---|---|---|
(at %) | N-6 | N-5 | N-Q | |||
82.09 | 13.32 | 4.14 | 0.45 | 1.58 | 1.92 | 0.64 |
Elements | C (at %) | O (at %) | N (at %) | P (at %) | |
---|---|---|---|---|---|
Sample | |||||
PI-12.9% PDPP | 77.38 | 15.25 | 6.72 | 0.65 | |
CF-12.9% PDPP | 85.9 | 10.14 | 3.41 | 0.55 | |
ACF-12.9% PDPP | 81.67 | 14.92 | 2.98 | 0.44 |
Elements | C (at %) | O (at %) | N (at %) | P (at %) | |
---|---|---|---|---|---|
Sample | |||||
ACF-0 | 82 | 12.34 | 5.66 | ||
ACF-3.9% PDPP | 82.78 | 11.32 | 5.65 | 0.25 | |
ACF-6.4% PDPP | 81.32 | 13.98 | 4.25 | 0.45 | |
ACF-10.3% PDPP | 82.09 | 13.32 | 4.14 | 0.45 | |
ACF-12.9% PDPP | 81.67 | 14.92 | 2.98 | 0.44 |
Sample | SBET (m2·g−1) | Smicro (m2·g−1) | Sext (m2·g−1) | Vtotal (m2·g−1) | APD a (nm) |
---|---|---|---|---|---|
ACF-0 | 814.2 | 672.7 | 141.5 | 0.37 | 1.8 |
ACF-3.9% PDPP | 12.6 | 9.7 | 2.9 | 0.011 | 3.3 |
ACF-6.4% PDPP | 16.5 | 12.8 | 3.7 | 0.012 | 2.9 |
ACF-10.3% PDPP | 130.6 | 90.6 | 40 | 0.073 | 2.2 |
ACF-12.9% PDPP | 54.6 | 30.2 | 24.4 | 0.035 | 2.6 |
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Yan, X.; You, H.; Liu, W.; Wang, X.; Wu, D. Free-Standing and Heteroatoms-Doped Carbon Nanofiber Networks as a Binder-Free Flexible Electrode for High-Performance Supercapacitors. Nanomaterials 2019, 9, 1189. https://doi.org/10.3390/nano9091189
Yan X, You H, Liu W, Wang X, Wu D. Free-Standing and Heteroatoms-Doped Carbon Nanofiber Networks as a Binder-Free Flexible Electrode for High-Performance Supercapacitors. Nanomaterials. 2019; 9(9):1189. https://doi.org/10.3390/nano9091189
Chicago/Turabian StyleYan, Xiaona, Hanjing You, Wei Liu, Xiaodong Wang, and Dezhen Wu. 2019. "Free-Standing and Heteroatoms-Doped Carbon Nanofiber Networks as a Binder-Free Flexible Electrode for High-Performance Supercapacitors" Nanomaterials 9, no. 9: 1189. https://doi.org/10.3390/nano9091189