Paper Titles
Cycling Performance of LiFePO4 as the Cathode Materials for Lithium Polymer Batteries
p.957
Densification and Dielectric Properties of Glass/Ceramic Composites Sintered with Various Borosilicate Glass
p.961
Design of Manufacturing Process of Oxygen-Free High Conductivity Copper Using Mahalanobis-Distance Outlier Detection Method
p.965
Development of Honeycomb-Type Solid Oxide Fuel Cell Consisting of LaGaO3 Electrolyte
p.969
Effect of Metal Additives (Co and Ni) on the Electrochemical Properties of Lithium/FeS2 Batteries
p.973
Electrically Conducting Silk Fibroin Microspheres by Incorporation of Multiwalled Carbon Nanotubes on their Surfaces
p.977
Electrochemical Influence of Collagen Piezoelectric Effect in Bone Healing
p.981
Electrochemical Properties of Perovskite Cathode for Solid Oxide Fuel Cell
p.985
Evaluation on Some Metallic Alloys for SOFC Interconnect
p.989

Effect of Metal Additives (Co and Ni) on the Electrochemical Properties of Lithium/FeS2 Batteries

Article Preview

Abstract:

Iron, sulfur and transition metal powders were used as the starting materials to prepare iron disulfide (FeS2) cathode material at room temperature by high energy mechanical alloying. Modified FeS2 were also prepared by incorporation of transition metals like Co and Ni. Li/FeS2 cells with the prepared iron disulfides as cathodes were studied for discharge properties at room temperature using the 0.5M LiTFSI in tetra(ethylene glycol) dimethyl ether (TEGDME). The first discharge capacities of Li/composite FeS2 cell with 5 wt.% Co and 3 wt.% Ni were 571 and 844 mAh/g, respectively, compared to 389 mAh/g for the cell without any additive. The enhanced properties resulted from the better electronic conductivity of the material containing the metallic additive. The initial capacity and cyclic performance were improved when nickel and cobalt were added to prepare the modified iron disulfide.

You might also be interested in these eBooks
Eco-Materials Processing and Design VIII View Preview

Info:

Periodical:

Materials Science Forum (Volumes 544-545)

Pages:

973-976

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.544-545.973

Citation:

Cite this paper

Online since:

May 2007

Authors:

Jae Won Choi, Gouri Cheruvally, Jou Hyeon Ahn, Ki Won Kim, Hyo Jun Ahn

Keywords:

Discharge Capacity, FeS2, Rechargeable Lithium Battery, TEGDME, Transition Metal

Export:

RIS, BibTeX

Price:

Permissions CCC:

Request Permissions

Permissions PLS:

Request Permissions

Сopyright:

© 2007 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

References

[1] G. Ardel, D. Golodnitsky, K. Freedman, E. Peled, G.B. Appetecchi, P. Romagnoli, B. Scrosati: J. Power Sources Vol. 110 (2002), pp.152-162.

DOI: 10.1016/s0378-7753(02)00262-8

Google Scholar

[2] D. Golodnitsky, E. Peled: Electrochimica Acta, 45 (1999), pp.335-350.

Google Scholar

[3] Y. Shao-Horn, S. Osmialowski, Q.C. Horn: J. Electrochem. Soc., Vol. 149 (2002), A1547-A1555.

Google Scholar

[4] L.A. Montoro, J.M. Rosolen: Solid State Ionics Vol. 159 (2003), pp.233-240.

Google Scholar

[5] Y. Shao-Horn, Q.C. Horn: Electrochim. Acta Vol. 46 (2001), pp.2613-2621.

Google Scholar