Pure and (Sn or Mg) Doped GeFe2O4 as Anodes for Sodium-Ion Batteries
Marco Ambrosetti,
Irene Quinzeni,
Alessandro Girella
et al.
Abstract:GeFe2O4 (GFO) is a germanium mineral whose spinel crystal structure determines its interesting functional properties. Recently, it was proposed for application as an anode for Sodium and Lithium-Ion Batteries (SIBs and LIBs) thanks to its combined conversion and alloying electrochemical mechanism. However, its entire potential is limited by the poor electronic conductivity and volumetric expansion during cycling. In the present paper, pure and Sn or Mg doped GFO samples obtained from mechano-chemical solid-sta… Show more
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