Communication—Detection of Si Distribution in Si/C Composite Anodes by Glow Discharge Optical Emission Spectroscopy

  • Richter K
  • Waldmann T
  • Memm M
  • et al.
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Abstract

Si/C composite anodes are of great interest for increasing the energy density of Li-ion cells. We report the applicability of the glow discharge optical emission spectroscopy (GD-OES) technique to detect and quantify the Si distribution in Si/C composite anodes. The calibration was developed in the range of 0–100 wt.-% Si by lab coated samples, which are similar to real anodes. The method was verified by pristine real Si/C composite anodes with known compositions (11 wt.-% and 67 wt.-% Si) before being built into cells. Finally, a first attempt of analyzing the Si/C composite anode from a commercial 18650-type cell is presented.

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APA

Richter, K., Waldmann, T., Memm, M., Kasper, M., & Wohlfahrt-Mehrens, M. (2018). Communication—Detection of Si Distribution in Si/C Composite Anodes by Glow Discharge Optical Emission Spectroscopy. Journal of The Electrochemical Society, 165(16), A3602–A3604. https://doi.org/10.1149/2.0071816jes

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