Advanced Balancing of High-Energy Lithium Ion Cells Comprising Lithium-Rich Layered Oxide and a-Si/CuSi Nanowire Using a Cathode Pre-Lithiation Additive

  • William W. Chesson
  • , Florian Klein
  • , Thomas Diemant
  • , Annika Regitta Schür
  • , Claudia Pfeifer
  • , Paul Drews
  • , Zenonas Jusys
  • , R. Jürgen Behm
  • , Mika Lindén
  • , Hugh Geaney
  • , Kevin Ryan
  • , Matthias Kuenzel
  • , Dominic Bresser
  • , Peter Axmann
  • , Stefano Passerini

Research output: Contribution to journalArticlepeer-review

Abstract

Highlights Li-rich Li1.2Ni0.2Mn0.6O2 (LRNM) cathode offer high voltage and specific capacity. Lithium oxalate (Li2C2O4) as pre-lithiation additive. High-capacity a-Si on copper silicide nanowire. Graphite||LRNM cells achieve more than 1,000 cycles with >80% capacity retention. a-Si/CuSi NW||LRNM cells retain 50% after 400 cycles.

Original languageEnglish
Article number120525
JournalJournal of the Electrochemical Society
Volume171
Issue number12
DOIs
Publication statusPublished - 3 Dec 2024

Keywords

  • Li-rich cathode
  • Si nanowires
  • graphite
  • lithium oxalate
  • lithium-ion batteries

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