4.6 Article

A Combinatorial Investigation of Fe-Si-Zn Thin Film Negative Electrodes for Li-Ion Batteries

Journal

JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 162, Issue 1, Pages A229-A234

Publisher

ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.1051501jes

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Funding

  1. NSERC
  2. 3M Canada, Co. under Industrial Research Chair and Discovery Grant programs
  3. Canada Foundation for Innovation
  4. Atlantic Innovation Fund

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Thin-film Fe-Si-Zn libraries were investigated as negative electrode materials for Li-ion batteries using combinatorial and high-throughput techniques. X-ray diffraction and electron microprobe measurements were used to characterize the library structure. A large amorphous region exists in Si-rich compositions of this system. The electrochemistry of numerous compositions of Fe-Si-Zn materials was determined near room temperature. Both Zn and Fe additions to Si were found to suppress the formation of Li15Si4 during cycling. (C) 2014 The Electrochemical Society. All rights reserved.

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