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Communication

CFx Derived Carbon–FeF2 Nanocomposites for Reversible Lithium Storage

  1. M. Anji Reddy1,*,
  2. Ben Breitung1,
  3. Venkata Sai Kiran Chakravadhanula1,2,
  4. Clemens Wall1,
  5. Michael Engel1,
  6. Christian Kübel1,2,
  7. Annie K. Powell1,3,
  8. Horst Hahn1,
  9. Maximilian Fichtner1,2,*

Article first published online: 3 DEC 2012

DOI: 10.1002/aenm.201200788

Issue

Advanced Energy Materials

Advanced Energy Materials

Volume 3, Issue 3, pages 308–313, March, 2013

Additional Information

How to Cite

Reddy, M. A., Breitung, B., Chakravadhanula, V. S. K., Wall, C., Engel, M., Kübel, C., Powell, A. K., Hahn, H. and Fichtner, M. (2013), CFx Derived Carbon–FeF2 Nanocomposites for Reversible Lithium Storage. Adv. Energy Mater., 3: 308–313. doi: 10.1002/aenm.201200788

Author Information

  1. 1

    Karlsruhe Institute of Technology (KIT), Institute of Nanotechnology, P.O. Box 3640, D-76021 Karlsruhe, Germany

  2. 2

    Helmholtz Institute Ulm (HIU), Ulm University, D-89069 Ulm, Germany

  3. 3

    Karlsruhe Institute of Technology (KIT), Institute for Inorganic Chemistry, Engesserstrasse 15, D-76128 Karlsruhe, Germany

*Karlsruhe Institute of Technology (KIT), Institute of Nanotechnology, P.O. Box 3640, D-76021 Karlsruhe, Germany.

Publication History

  1. Issue published online: 8 MAR 2013
  2. Article first published online: 3 DEC 2012
  3. Manuscript Received: 1 OCT 2012

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Keywords:

  • FeF2 nanocomposites;
  • graphite fluoride;
  • lithium batteries;
  • high energy density
Thumbnail image of graphical abstract

A new synthesis by reactive intercalation of a functional material in one step, with no solid or liquid by-products, leads to the formation of uniform and nanoscale FeF2 crystallites (9–12 nm) which are clamped in a well conductive graphitic matrix. The composite shows superior performance for the storage of lithium and can be used as cathode material in batteries. Specific capacities of up to 418 mAh g−1 were measured at 40 °C after 25 cycles.

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