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| Content Provider | Springer Nature Link |
|---|---|
| Author | Shao, Dongqun Wang, Jinxian Dong, Xiangting Yu, Wensheng Liu, Guixia Zhang, Feifei Wang, Limin |
| Copyright Year | 2013 |
| Abstract | LiFePO$_{4}$/C composite nanofibers were synthesized by calcination of the [LiOH + Fe(NO$_{3}$)$_{3}$ + H$_{3}$PO$_{4}$]/PVP electrospun nanofibers. Polyvinyl pyrrolidone (PVP) was used as the electrospinning template and carbon source. During the calcination [LiOH + Fe(NO$_{3}$)$_{3}$ + H$_{3}$PO$_{4}$] were transformed to LiFePO$_{4}$ and PVP was decomposed into carbon. The morphology and properties of the as-prepared samples were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, Brunauer–Emmett–Teller (BET) specific surface area analysis, electrochemical impedance spectroscopy and galvanostatic charge–discharge measurements. The results indicate that the mean diameter of as-prepared LiFePO$_{4}$/C composite nanofibers is 179.08 ± 29.66 nm and the BET specific surface area is 66.59 m$^{2}$ g$^{−1}$. The addition of carbon does not affect the structure of LiFePO$_{4}$, but improves its electrochemical performances. At the current density of 0.2 C, the initial discharge capacity of LiFePO$_{4}$/C electrode is 133.6 mAh g$^{−1}$ and there is no obvious capacity fading after 100 cycles. The formation mechanism of the LiFePO$_{4}$/C composite nanofibers was also proposed. |
| Starting Page | 4263 |
| Ending Page | 4269 |
| Page Count | 7 |
| File Format | |
| ISSN | 09574522 |
| Journal | Journal of Materials Science: Materials in Electronics |
| Volume Number | 24 |
| Issue Number | 11 |
| e-ISSN | 1573482X |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2013-07-27 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Optical and Electronic Materials Characterization and Evaluation of Materials |
| Content Type | Text |
| Resource Type | Article |
| Subject | Atomic and Molecular Physics, and Optics Biomaterials Biophysics Condensed Matter Physics Electronic, Optical and Magnetic Materials Bioengineering Electrical and Electronic Engineering Biomedical Engineering |
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