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Highly flexible reduced graphene oxide@polypyrrole–polyethylene glycol foam for supercapacitors
A flexible and free-standing 3D reduced graphene oxide@polypyrrole–polyethylene glycol (RGO@PPy–PEG) foam was developed for wearable supercapacitors. The device was fabricated sequentially, beginning with the electrodeposition of PPy in the presence of a PEG–borate on a sacrificial Ni foam template,...
Autores principales: | , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
The Royal Society of Chemistry
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9055932/ https://www.ncbi.nlm.nih.gov/pubmed/35521096 http://dx.doi.org/10.1039/d0ra05199c |
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author | Cai, Chaoyue Fu, Jialong Zhang, Chengyan Wang, Cheng Sun, Rui Guo, Shufang Zhang, Fan Wang, Mingyan Liu, Yuqing Chen, Jun |
author_facet | Cai, Chaoyue Fu, Jialong Zhang, Chengyan Wang, Cheng Sun, Rui Guo, Shufang Zhang, Fan Wang, Mingyan Liu, Yuqing Chen, Jun |
author_sort | Cai, Chaoyue |
collection | PubMed |
description | A flexible and free-standing 3D reduced graphene oxide@polypyrrole–polyethylene glycol (RGO@PPy–PEG) foam was developed for wearable supercapacitors. The device was fabricated sequentially, beginning with the electrodeposition of PPy in the presence of a PEG–borate on a sacrificial Ni foam template, followed by a subsequent GO wrapping and chemical reduction process. The 3D RGO@PPy–PEG foam electrode showed excellent electrochemical properties with a large specific capacitance of 415 F g(−1) and excellent long-term stability (96% capacitance retention after 8000 charge–discharge cycles) in a three electrode configuration. An assembled (two-electrode configuration) symmetric supercapacitor using RGO@PPy–PEG electrodes exhibited a remarkable specific capacitance of 1019 mF cm(−2) at 2 mV s(−1) and 95% capacitance retention over 4000 cycles. The device exhibits extraordinary mechanical flexibility and showed negligable capacitance loss during or after 1000 bending cycles, highlighting its great potential in wearable energy devices. |
format | Online Article Text |
id | pubmed-9055932 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | The Royal Society of Chemistry |
record_format | MEDLINE/PubMed |
spelling | pubmed-90559322022-05-04 Highly flexible reduced graphene oxide@polypyrrole–polyethylene glycol foam for supercapacitors Cai, Chaoyue Fu, Jialong Zhang, Chengyan Wang, Cheng Sun, Rui Guo, Shufang Zhang, Fan Wang, Mingyan Liu, Yuqing Chen, Jun RSC Adv Chemistry A flexible and free-standing 3D reduced graphene oxide@polypyrrole–polyethylene glycol (RGO@PPy–PEG) foam was developed for wearable supercapacitors. The device was fabricated sequentially, beginning with the electrodeposition of PPy in the presence of a PEG–borate on a sacrificial Ni foam template, followed by a subsequent GO wrapping and chemical reduction process. The 3D RGO@PPy–PEG foam electrode showed excellent electrochemical properties with a large specific capacitance of 415 F g(−1) and excellent long-term stability (96% capacitance retention after 8000 charge–discharge cycles) in a three electrode configuration. An assembled (two-electrode configuration) symmetric supercapacitor using RGO@PPy–PEG electrodes exhibited a remarkable specific capacitance of 1019 mF cm(−2) at 2 mV s(−1) and 95% capacitance retention over 4000 cycles. The device exhibits extraordinary mechanical flexibility and showed negligable capacitance loss during or after 1000 bending cycles, highlighting its great potential in wearable energy devices. The Royal Society of Chemistry 2020-08-06 /pmc/articles/PMC9055932/ /pubmed/35521096 http://dx.doi.org/10.1039/d0ra05199c Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by-nc/3.0/ |
spellingShingle | Chemistry Cai, Chaoyue Fu, Jialong Zhang, Chengyan Wang, Cheng Sun, Rui Guo, Shufang Zhang, Fan Wang, Mingyan Liu, Yuqing Chen, Jun Highly flexible reduced graphene oxide@polypyrrole–polyethylene glycol foam for supercapacitors |
title | Highly flexible reduced graphene oxide@polypyrrole–polyethylene glycol foam for supercapacitors |
title_full | Highly flexible reduced graphene oxide@polypyrrole–polyethylene glycol foam for supercapacitors |
title_fullStr | Highly flexible reduced graphene oxide@polypyrrole–polyethylene glycol foam for supercapacitors |
title_full_unstemmed | Highly flexible reduced graphene oxide@polypyrrole–polyethylene glycol foam for supercapacitors |
title_short | Highly flexible reduced graphene oxide@polypyrrole–polyethylene glycol foam for supercapacitors |
title_sort | highly flexible reduced graphene oxide@polypyrrole–polyethylene glycol foam for supercapacitors |
topic | Chemistry |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9055932/ https://www.ncbi.nlm.nih.gov/pubmed/35521096 http://dx.doi.org/10.1039/d0ra05199c |
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