Carbon nanotube–polyaniline core–shell nanostructured hydrogel for electrochemical energy storage
Name
Manuscript - PANI Hydrogel - 20150130.pdf
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1.73 MB
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Adobe PDF
Checksum (MD5)
667fe957d4ac347ceb28c488aad59b8d
Author(s)
Chen, Po-Yen
Hyder, Md Nasim
Qi, Jifa
Dorval Courchesne, Noemie-Manuelle
Belcher, Angela M
Hammond, Paula T
Date Issued
April 2015
Journal
RSC Advances
Publisher
Royal Society of Chemistry
Citation
Chen, Po-Yen, Noémie-Manuelle Dorval Courchesne, Md Nasim Hyder, Jifa Qi, Angela M. Belcher, and Paula T. Hammond. “Carbon Nanotube–polyaniline Core–shell Nanostructured Hydrogel for Electrochemical Energy Storage.” RSC Adv. 5, no. 48 (2015): 37970–37977.
Version
Original manuscript
Abstract
Conductive polymer hydrogels, which synergize the advantageous features of hydrogels and conductive materials, have been utilized in many electrochemical energy storage applications. Here, we introduce phytic acid as (1) a dispersing agent for pristine multi-walled carbon nanotubes (MWNTs) in aqueous solution containing aniline and as (2) a gelator to form polyaniline (PANI)-based hydrogels after polymerization. The PANI-based hydrogels exhibit nanowire-based mesoporous networks with high surface area and electrical conductivity. The nanostructured core (MWNT)–shell (PANI) hydrogels show an improvement on the electrical conductivity from 0.21 to 1.54 S cm[superscript −1] as the loading of MWNTs increases from 0 to 5.0 wt%. The conducting nanowire-based networks with MWNT loadings of 3.0 wt% in the hydrogel provide efficient electron transport pathways that exhibit a maximal specific capacity of 609 F g[superscript −1]. The scalable and facile synthesis demonstrates excellent electrochemical performance, rendering it attractive for sensing, energy conversion, and energy storage applications.
MIT Department
Massachusetts Institute of Technology. Department of Biological Engineering
Massachusetts Institute of Technology. Department of Chemical Engineering
Massachusetts Institute of Technology. Department of Materials Science and Engineering
Koch Institute for Integrative Cancer Research at MIT
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Creative Commons Attribution-Noncommercial-Share Alike
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DOI of Published Version
https://doi.org/10.1039/c5ra02944a
