Electrospun Sn-doped LiTi2(PO4)(3)/C nanofibers for ultra-fast charging and discharging
- Authors
- Liu, Li; Song, Taeseup; Han, Hyungkyu; Park, Hyunjung; Xiang, Juan; Liu, Zhiming; Feng, Yi; Paik, Ungyu
- Issue Date
- May-2015
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- JOURNAL OF MATERIALS CHEMISTRY A, v.3, no.19, pp.10395 - 10402
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF MATERIALS CHEMISTRY A
- Volume
- 3
- Number
- 19
- Start Page
- 10395
- End Page
- 10402
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/157283
- DOI
- 10.1039/c5ta00843c
- ISSN
- 2050-7488
- Abstract
- Sn-doped LiTi2(PO4)(3)/C composite nanofibers are synthesized by a facile electrospinning process. The unique one dimensional nanostructure combined with a uniform electrically conductive carbon matrix allows high-rate transportation of lithium ions and electrons. Besides, Sn-doping could further decrease the electrochemical resistance. Sn-doped LiTi2(PO4)(3)/C composite nanofibers exhibit excellent electrochemical performance, especially ultra-fast charging/discharge capability. At a charging rate of about 600 C (64 A g(-1), 6 s), 66.2% capacity (68.9 mA h g(-1)) could be obtained when matched with a Li metal counter electrode. They also exhibit excellent electrochemical properties as an anode material for aqueous rechargeable lithium batteries. Sn-doped LiTi2(PO4)(3)/C composite nanofibers are promising electrode materials for both nonaqueous and aqueous lithium ion batteries.
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