Journal
SCIENTIFIC REPORTS
Volume 7, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/srep40259
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Funding
- Japan Society for the Promotion of Science (JSPS)
- Project of the NARO Bio-oriented Technology Research Advancement Institution (Integration research for agriculture and interdisciplinary fields)
- Project of NARO Bio-oriented Technology Research Advancement Institution (The Project for development of New Practical Technology)
- Shinshu-University Molecule and Material Synthesis Platform (MMSPF)
- Advanced Characterization Nanotechnology Platform in the University of Tokyo
- U.S. National Science Foundation [DMR-1507806]
- [P15050]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1507806] Funding Source: National Science Foundation
- Grants-in-Aid for Scientific Research [15F15050] Funding Source: KAKEN
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Nitrogen-doped porous activated carbon monoliths (NDP-ACMs) have long been the most desirable materials for supercapacitors. Unique to the conventional template based Lewis acid/base activation methods, herein, we report on a simple yet practicable novel approach to production of the three-dimensional NDP-ACMs (3D-NDP-ACMs). Polyacrylonitrile (PAN) contained carbon nanotubes (CNTs), being pre-dispersed into a tubular level of dispersions, were used as the starting material and the 3D-NDP-ACMs were obtained via a template-free process. First, a continuous mesoporous PAN/CNT based 3D monolith was established by using a template-free temperature-induced phase separation (TTPS). Second, a nitrogen-doped 3D-ACM with a surface area of 613.8 m(2)/g and a pore volume 0.366 cm(3)/g was obtained. A typical supercapacitor with our 3D-NDP-ACMs as the functioning electrodes gave a specific capacitance stabilized at 216 F/g even after 3000 cycles, demonstrating the advantageous performance of the PAN/CNT based 3D-NDP-ACMs.
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