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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Lee, Jun Seop Shin, Dong Hoon Jun, Jaemoon Lee, Choonghyeon Jang, Jyongsik |
| Description | Author Affiliation: Lee JS ( School of Chemical and Biological Engineering, College of Engineering, Seoul National University, 599 Gwanangno, Gwanakgu, Seoul, 151-742 (Korea), Fax: (+82) 2-888-1604.) |
| Abstract | $Fe_{3}O_{4}/carbon$ hybrid nanoparticles (FeCHNPs) were fabricated using dual-nozzle electrospraying, vapor deposition polymerization (VDP), and carbonization. FeOOH nanoneedles decorated with polypyrrole (PPy) nanoparticles (FePNPs) were fabricated by electrospraying pristine PPy mixed with $FeCl_{3}$ solution, followed by heating stirring reaction. A PPy coating was then formed on the FeOOH nanoneedles through a VDP process. FeCHNPs were produced through carbonization of PPy and FeOOH phase transitions. These hybrid carbon nanoparticles (NPs) were used to build electrodes of electrochemical capacitors. The specific capacitance of the FeCHNPs was $455 F g^{−1},$ which is larger than that of pristine PPy NPs $(105 F g^{−1})$ or other hybrid PPy NPs. Furthermore, the FeCHNP-based capacitors exhibited better cycle stability during charge–discharge cycling than other hybrid NP capacitors. This is because the carbon layer on the $Fe_{3}O_{4}$ surface formed a protective coating, preventing damage to the electrode materials during the charge–discharge processes. This fabrication technique is an effective approach for forming stable carbon/metal oxide nanostructures for energy storage applications. |
| File Format | HTM / HTML |
| ISSN | 18645631 |
| Issue Number | 6 |
| Journal | ChemSusChem |
| Volume Number | 7 |
| e-ISSN | 1864564X |
| Language | English |
| Publisher | Wiley-VCH |
| Publisher Date | 2014-06-01 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Nanoparticles Electrodes Electric Power Supplies Chemistry Ferrosoferric Oxide Discipline Sustainable Chemistry Electric Capacitance Carbon Journal Article |
| Content Type | Text |
| Resource Type | Article |
| Subject | Energy Environmental Chemistry Materials Science Chemical Engineering |
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