Journal of Electrochemical Science and Technology

The Korean Electrochemical Society (한국전기화학회)
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Fundamental Approach to Capacity Prediction of Si-Alloys as Anode Material for Li-ion Batteries

  • Kim, Jong Su (Graduate School of Energy Science and Technology, Chungnam National University) ;
  • Umirov, Nurzhan (Graduate School of Energy Science and Technology, Chungnam National University) ;
  • Kim, Hyang-Yeon (Korea Institute of Industrial Technology) ;
  • Kim, Sung-Soo (Graduate School of Energy Science and Technology, Chungnam National University)
  • Received : 2018.01.05
  • Accepted : 2018.02.24
  • Published : 2018.03.31
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Abstract

Various Si-Fe-Al ternary alloys were prepared with the same amount of Si by the melt spinning technique. The feasibility of the capacity prediction approach based on the estimation of the active amount of Si using the phase diagram was practically examined and reported. These predictions were verified by the electrochemical test of fabricated coin cells and other characterization methods. The capacity prediction approach using the phase diagram might be a fundamental and efficient method to accelerate the practical application of Si-based alloys as the anode material for Li-ion batteries. The details on the prediction procedure were discussed.

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References

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