Exploring the possibilities of two-dimensional transition metal carbides as anode materials for sodium batteries.

  title={Exploring the possibilities of two-dimensional transition metal carbides as anode materials for sodium batteries.},
  author={Eunjeong Yang and Hyunjun Ji and Jaehoon Kim and Heejin Kim and Yousung Jung},
  journal={Physical chemistry chemical physics : PCCP},
  volume={17 7},
Recently a group of two-dimensional materials called MXenes have been discovered and they have demonstrated their potential in Li rechargeable batteries. Herein, the Na storage and ion migration properties of M2C-type MXenes (M = Ti, V, Cr, Mn, Fe, Co, Ni, Nb, Mo) were investigated using density functional theory (DFT) calculations, and were compared to the Li case. Based on the average voltage and migration barrier of surface ions, we suggest that M = Ti, V, Cr, Mn, and Mo are suitable for… 

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