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Electrospun porous lithium manganese phosphate-carbon nanofibers as a cathode material for lithium ion batteries
- Authors
- Liu, Li; Song, Taeseup; Han, Hyungkyu; Park, Hyunjung; Xiang, Juan; Liu, Zhiming; Feng, Yi; Paik, Ungyu
- Issue Date
- Jul-2015
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- JOURNAL OF MATERIALS CHEMISTRY A, v.3, no.34, pp.17713 - 17720
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF MATERIALS CHEMISTRY A
- Volume
- 3
- Number
- 34
- Start Page
- 17713
- End Page
- 17720
- ISSN
- 2050-7488
- Abstract
- Porous LiMnPO4/C composite nanofibers between 150 and 250 nm have been synthesized as a cathode material for lithium ion batteries via electrospinning. The porous LiMnPO4/C composite nanofibers show excellent electrochemical performance including a high reversible capacity of 112.7 mA h g(-1) at 0.2C, a stable cycle retention of 95% after 100 cycles at 1C, and excellent rate capability (73.1 mA h g(-1) at 5C) in constant current mode between 2.0 and 4.5 V. These improved electrochemical properties are attributed to the one-dimensional geometry and porous structure, which significantly enhanced kinetics associated with electrons and Li ions.
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Related Researcher
- Paik, Ungyu
- COLLEGE OF ENGINEERING (DEPARTMENT OF ENERGY ENGINEERING)