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Study of metal-supported carbon matrix as a high-capacity anode for Li-ion battery

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Abstract

Tin–graphite composite with 20 wt. % metal content as well as its structural and electrochemical characteristics are presented. Synthetic graphite—super flake type—was used as object for the modification experiment. Chemical reduction was applied for the loading process, which was carried out under inert argon atmosphere. Composite with specific morphology and improved electrochemical behavior was prepared. The obtained material shows higher discharge capacity as well as increased initial charge–discharge coulomb efficiency, compared with the unmodified one. The supporting metal morphology, the type of graphite, and the preparation process taken together generally affect the improvement of the electrochemical performance.

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Acknowledgements

Financial support by North Atlantic Treaty Organization via EAP.RIG.982531 Project is gratefully acknowledged.

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Authors and Affiliations

  1. Institute of Electrochemistry and Energy Systems, Bulgarian Academy of Sciences, Acad. G. Bonchev str., bl. 10, 1113, Sofia, Bulgaria

    A. Trifonova & T. Stankulov

  2. Institute for Chemical Technology of Inorganic Materials, Graz University of Technology, Stremaygasse 16, 8010, Graz, Austria

    M. Winter

Authors
  1. A. Trifonova
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  2. T. Stankulov
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  3. M. Winter
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Correspondence to A. Trifonova.

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Trifonova, A., Stankulov, T. & Winter, M. Study of metal-supported carbon matrix as a high-capacity anode for Li-ion battery. Ionics 14, 421–425 (2008). https://doi.org/10.1007/s11581-007-0193-9

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  • DOI: https://doi.org/10.1007/s11581-007-0193-9

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