Effect of mechanical milling on electrochemical properties of Ti 45Zr38xNi17+x (x = 0, 8) quasicrystals produced by rapid-quenching

Dominika Baster, Akito Takasaki, Chihiro Kuroda, Emil Hanc, Sang Hwa Lee, Konrad Świerczek, Janusz S. Szmyd, Jae Yong Kim, Janina Molenda

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The effect of mechanical milling on the discharge performance of electrodes consisting of Ti45Zr38-xNi17+ x (x = 0, 8) quasicrystals, which were produced by a rapid-quenching, was investigated at room temperature in three-electrode cell set-up. All of the obtained ribbons were identified to contain mostly icosahedral (i) quasicrystal phase (i-phase). The measured discharge capacity for Ti45Zr 30Ni25 material was higher than the one for Ti 45Zr38Ni17. The maximum discharge capacity equal 86 mA h g-1 was achieved for Ti45Zr 30Ni25, which was mechanically milled for 15 h. This value was obtained at the third discharge process. The recorded discharge performance was quite stable on cycling up to 30 cycles for Ti45Zr 38Ni17 material, but slight decrease after 15th cycle was observed for Ti45Zr30Ni25 phase. It should be highlighted that the quasicrystal i-phase remained stable also after 25 h of mechanical milling for both studied materials. However, a formation of (Ti, Zr)H2 hydride phase was observed after charge/discharge cycles for both of the materials.

Original languageEnglish
Pages (from-to)S238-S242
JournalJournal of Alloys and Compounds
Issue numberSUPPL1
Publication statusPublished - 2013


  • Discharge capacity
  • Electrochemical hydrogenation
  • Mechanical milling
  • Rapid-quenching
  • Ti-Zr-Ni quasicrystals

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry


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