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Open Access Publications from the University of California

Li3BN2 as a Transition Metal Free, High Capacity Cathode for Li-ion Batteries

  • Author(s): Emani, S
  • Liu, C
  • Ashuri, M
  • Sahni, K
  • Wu, J
  • Yang, W
  • Németh, K
  • Shaw, LL
  • et al.

© 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Li3BN2 is investigated for the first time as a transition metal free, high capacity cathode material for Li-ion batteries. It is shown that α-Li3BN2 can exhibit a specific capacity of 890 mA h g−1 with the charge storage mechanism associated with the valence state change of N ions in the BN2 anion. The specific capacity demonstrated in this study is the highest one ever reported in literature for an intercalation-type cathode material. Further, using the valence state change of N ions as a charge storage mechanism opens the door for designing additional high performance, transition metal free electrodes in the future.

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