Journal article
Lithium extraction−insertion from/into LiCoPO4in aqueous batteries
Industrial & Engineering Chemistry Research, Vol.50(4), pp.1899-1905
2011
Abstract
A novel 1 V battery composed of Sn-LiCoPO4 using aqueous lithium hydroxide electrolyte is described. Reversible extraction and insertion of lithium from and into the olivine-type LiCoPO4 is reported. The electrochemical behavior of the Sn-LiCoPO4 battery was analyzed using charge/discharge cycling and cyclic voltammetry. Sn-LiCoPO4 battery exhibited charge/discharge voltages of 1.3 V/0.8 V versus Sn with a reversible capacity of 80 mAh/g. The structural and morphological changes of LiCoPO 4 particles before and after electrochemical measurements were investigated by X-ray diffraction (XRD) and transmission electron microscopy. XRD data showed that extraction of lithium proceeds via at least a two-phase mechanism with LiCoPO4 and CoPO4 phases. Upon lithium reinsertion crystalline LiCoPO4 was formed. The cell voltage indicated these batteries were not completely charged, forming single-phase CoPO4 material. Energy-dispersive X-ray analysis coupled with transmission electron microscopy confirmed the chemical quality of the charged and discharged LiCoPO4 in terms of crystallinity and elemental distribution.
Details
- Title
- Lithium extraction−insertion from/into LiCoPO4in aqueous batteries
- Authors/Creators
- M. Minakshi (Author/Creator) - Murdoch UniversityP. Singh (Author/Creator) - Murdoch UniversityN. Sharma (Author/Creator) - Bragg InstituteM. Blackford (Author/Creator) - Australian Nuclear Science and Technology OrganisationM. Ionescu (Author/Creator) - Australian Nuclear Science and Technology Organisation
- Publication Details
- Industrial & Engineering Chemistry Research, Vol.50(4), pp.1899-1905
- Publisher
- American Chemical Society
- Identifiers
- 991005545181107891
- Copyright
- © 2011 American Chemical Society
- Murdoch Affiliation
- School of Chemical and Mathematical Science
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 2 Chemistry
- 2.62 Electrochemistry
- 2.62.138 Lithium-Ion Battery
- Web Of Science research areas
- Engineering, Chemical
- ESI research areas
- Chemistry