Abstract
Lithium electrochemistry of Cr 1-x Fe x N (0 ≤ x ≤ 1) ternary transition-metal nitrides has been investigated for the first time. The reversible capacities of Cr 1-x Fe x N ternary transition-metal nitrides were all above 1000 mAh/g, and their electrodes overcame the large polarization of CrN electrode and the bad cyclic stable of FeN electrode, which made them promising candidates for lithium-ion battery anode. Our results demonstrated that the reversible formation and decomposition of Li 3 N could be driven by nanosized metal Fe or Cr.
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