Si85Fe15Ox Alloy Anode Materials with High Thermal Stability for Lithium Ion Batteries
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Date
2021-11-11Author
Obrovac, MN
Liu, Yijia
Charlton, Michael
Wang, Jun
Craig Bennett, J.
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The synthesis, microstructure and electrochemical properties of ball milled Si85Fe15Ox alloys with different oxygen contents are investigated. These materials combine the features of Si-M alloys (low irreversible capacity) and SiOx materials (high thermal stability). This makes Si85Fe15Ox alloys compatible with high temperature processing. As shown here, these properties allow Si85Fe15Ox alloys to be incorporated into carbon-coated graphite composite particles that can cycle well even without the use of advanced binders or electrolyte additives.
Citation
Yijia Liu, Michael Charlton, Jun Wang, J. Craig Bennett and M. N. Obrovac. Si85 Fe15 Ox Alloy Anode Materials with High Thermal Stability for Lithium Ion Batteries. J. Electrochem. Soc. (2021), 168 (11), 110521.