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Development of high power density cathode materials for Li-ion batteries

  • Bernt Ketterer , Hristina Vasilchina , Klaus Seemann , Sven Ulrich , Heino Besser , Wilhelm Pfleging , Tatjana Kaiser und Christel Adelhelm
Veröffentlicht/Copyright: 11. Juni 2013
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 99 Heft 10

Abstract

Cathode material for Li-ion batteries can be synthesised by r.f. magnetron sputtering of LiCoO2 targets in a pure Ar plasma. This technique is suitable for large-scale implementation in foil coating set-ups. By choosing the process parameters and by employing post heat treatment nanocrystalline, stoichiometrical LiCoO2 films can be fabricated which exhibit the desired high temperature phase. The determination of the elementary composition is possible by optical emission spectroscopy including plasma stimulation and carrier gas temperature extraction. The proof of crystal structure is carried out by X-ray diffraction and Raman spectroscopy. Heat treatment can be conventionally realised in a furnace or by laser impact. With regard to increasing the power density, the surface of the cathode material can be enhanced six-fold by laser-assisted surface patterning.

Keywords: Thin film technology; Laser modification; Li-ion battery; LiCoO2; Magnetron sputtering
* Correspondence address, Dr. Sven Ulrich, Forschungszentrum Karlsruhe, IMF I, Postfach 36 40, D-76021 Karlsruhe, Germany, Tel.: +49 7247 82 3398, Fax: +49 7247 82 4567, E-mail:

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Received: 2008-4-11
Accepted: 2008-7-25
Published Online: 2013-06-11
Published in Print: 2008-10-01

© 2008, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. To Professor Dr.-Ing. Karl-Heinz Zum Gahr on the occation of his 65th birthday
  5. Review
  6. Innovative materials for energy technology
  7. STAU – a review of the Karlsruhe weakest link finite element postprocessor with extensive capabilities
  8. Basic
  9. “Evolution” of microstructure in materials
  10. X-ray analysis of steep residual stress gradients: The 2θ-derivative method
  11. Investigation of surface fatigue of thermally sprayed micro- and nanocrystalline cylinder wall coatings by means of cavitation testing
  12. Thermal, mechanical and fretting fatigue of silicon nitride
  13. Effect of phase stability and composition on hydrogen diffusion in the binary systems Ti–Mo and Ti–V and related Ti-base alloys
  14. Determination of v–K curves from lifetime tests with reloaded survivals
  15. Mechanical properties of a single gecko seta
  16. Applied
  17. Influence of Fe–F-co-doping on the dielectric properties of Ba0.6Sr0.4TiO3 thick-films
  18. Microstructural and acoustic damage analysis and finite element stress simulation of air plasma-sprayed thermal barrier coatings under thermal cycling
  19. The running-in of amorphous hydrocarbon tribocoatings: a comparison between experiment and molecular dynamics simulations
  20. Development of multifunctional thin films using high-throughput experimentation methods
  21. A transmission electron microscopy procedure for in-situ straining of miniature pseudoelastic NiTi specimens
  22. Recent developments in micro ceramic injection molding
  23. σ-phase morphologies and their effect on mechanical properties of duplex stainless steels
  24. Development of high power density cathode materials for Li-ion batteries
  25. Notification
  26. DGM News
https://doi.org/10.3139/146.101749
Schlagwörter für diesen Artikel
Thin film technology; Laser modification; Li-ion battery; LiCoO2; Magnetron sputtering

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. To Professor Dr.-Ing. Karl-Heinz Zum Gahr on the occation of his 65th birthday
  5. Review
  6. Innovative materials for energy technology
  7. STAU – a review of the Karlsruhe weakest link finite element postprocessor with extensive capabilities
  8. Basic
  9. “Evolution” of microstructure in materials
  10. X-ray analysis of steep residual stress gradients: The 2θ-derivative method
  11. Investigation of surface fatigue of thermally sprayed micro- and nanocrystalline cylinder wall coatings by means of cavitation testing
  12. Thermal, mechanical and fretting fatigue of silicon nitride
  13. Effect of phase stability and composition on hydrogen diffusion in the binary systems Ti–Mo and Ti–V and related Ti-base alloys
  14. Determination of v–K curves from lifetime tests with reloaded survivals
  15. Mechanical properties of a single gecko seta
  16. Applied
  17. Influence of Fe–F-co-doping on the dielectric properties of Ba0.6Sr0.4TiO3 thick-films
  18. Microstructural and acoustic damage analysis and finite element stress simulation of air plasma-sprayed thermal barrier coatings under thermal cycling
  19. The running-in of amorphous hydrocarbon tribocoatings: a comparison between experiment and molecular dynamics simulations
  20. Development of multifunctional thin films using high-throughput experimentation methods
  21. A transmission electron microscopy procedure for in-situ straining of miniature pseudoelastic NiTi specimens
  22. Recent developments in micro ceramic injection molding
  23. σ-phase morphologies and their effect on mechanical properties of duplex stainless steels
  24. Development of high power density cathode materials for Li-ion batteries
  25. Notification
  26. DGM News
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