The Effect of Anion-sublattice Structure on the Displacement Reaction in Copper Sulfide Cathodes of Rechargeable Magnesium Batteries

DOI PDF 参考文献24件
  • Yuta Tashiro
    Department of Advanced Materials Science, The University of Tokyo, Kashiwa, Chiba 277-8561
  • Kouji Taniguchi
    Institute for Materials Research, Tohoku University, Sendai, Miyagi 980-8577
  • Hitoshi Miyasaka
    Institute for Materials Research, Tohoku University, Sendai, Miyagi 980-8577

抄録

<jats:title>Abstract</jats:title> <jats:p>Copper sulfides (Cu2−xS, where x denotes position defects) with different structures of the S2− sublattice, such as cubic digenite and hexagonal chalcocite, have been investigated as cathode materials for magnesium (Mg) batteries. Rechargeable performance is only achieved using a cubic digenite cathode; however, using hexagonal chalcocite cathode yields poor rechargeable performance. The face-centered cubic S2− sublattice in cubic digenite, which enables Cu+ and Mg2+ ions to be displaced from each other without causing the lattice to collapse, could play a key role in improving the performance of rechargeable cathodes.</jats:p>

収録刊行物

  • Chemistry Letters

    Chemistry Letters 46 (8), 1240-1242, 2017-07-20

    Oxford University Press (OUP)

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