Effects of Different Templates on Electrochemical Performance of LiFePO4/C Prepared by Supercritical Hydrothermal Method
Abstrak
In this study, LiFePO4/C has been synthesized by supercritical-hydrothermal method followed with solid phase calcination using three different templates; hexadecyl trimethyl ammonium bromide (CTAB), sucrose and polyvinyl pyrrolidone (PVP). The effects of different templates on the properties of the synthesized LiFePO4/C, including crystalline structure, particle size, morphology, and electrochemical performance, were examined. It was found that the use of the template of PVP led to better-crystallized and smaller-sized LiFePO4/C particles. As a result, a higher discharge capacity was observed with particles synthesized with PVP as template when compared with discharge capacities of those synthesized using CTAB and sucrose. The LiFePO4/C particles synthesized using the PVP as template delivered a relatively high specific discharge capacity of 141.2 mAh/g at 0.1 C, and good cycling performance.
Topik & Kata Kunci
Penulis (4)
Xuewu Liu
Tiezhu Feng
Shuhua Chen
Hao Wei
Akses Cepat
PDF tidak tersedia langsung
Cek di sumber asli →- Tahun Terbit
- 2016
- Sumber Database
- DOAJ
- DOI
- 10.1016/S1452-3981(23)16101-3
- Akses
- Open Access ✓