Effect of Mo-doped LiFePO4 Positive Electrode Material for Lithium Batteries
- Authors
- Oh, Seung-Min; Sun, Yang Kook
- Issue Date
- Dec-2012
- Publisher
- KOREAN ELECTROCHEMISTRY SOC
- Keywords
- Co-precipitation; Doping; Electrochemical properties; Lithium- ion Battery; Olivine
- Citation
- JOURNAL OF ELECTROCHEMICAL SCIENCE AND TECHNOLOGY, v.3, no.4, pp.172 - 177
- Indexed
- SCIE
- Journal Title
- JOURNAL OF ELECTROCHEMICAL SCIENCE AND TECHNOLOGY
- Volume
- 3
- Number
- 4
- Start Page
- 172
- End Page
- 177
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/27430
- DOI
- 10.5229/JECST.2012.3.4.172
- ISSN
- 2093-8551
- Abstract
- Mo-doped LiFePO4 was synthesized via co-precipitation method using sucrose as the carbon source. Structure, surface morphology, and the electrochemical properties of the synthesized olivine compounds were investigated using Rietveld refinement of X-ray diffraction data (XRD), scanning electron microscopy (SEM), and electrochemical charge-ischarge tests. Spherical morphology with the particle size of similar to 8 mu m authenticated the enhanced tap density and volumetric energy density of the synthesized materials. Charge-discharge behavior of LiFePO4 and Mo-doped LiFePO4 cells demonstrated a specific capacity of 130 and 145 mAh g(-1), respectively. Mo-doped LiFePO4 cells exhibited an excellent discharge capacity at 96 mAh g(-1) at 7 C-rate.
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