Electrochemical properties of Ti45Zr38-xNi17+x (0 <= x <= 8) quasicrystals produced by rapid-quenching
- Authors
- Takasaki, Akito; Kuroda, Chihiro; Lee, Sang-Hwa; Kim, Jae-Yong
- Issue Date
- Sep-2011
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Quasicrystal; Discharge capacity; Rapid-quenching; Titanium-zirconium-nickel
- Citation
- JOURNAL OF ALLOYS AND COMPOUNDS, v.509, pp.S782 - S785
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF ALLOYS AND COMPOUNDS
- Volume
- 509
- Start Page
- S782
- End Page
- S785
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/144845
- DOI
- 10.1016/j.jallcom.2010.11.042
- ISSN
- 0925-8388
- Abstract
- Discharge performances of Ti45Zr38-xNi17+x (0 <= x <= 8) ribbons produced by rapid-quenching were measured by a three-electrode cell at room temperature, and the effect of substitution of Ni for Zr was investigated. All the ribbons after rapid-quenching were mostly the icosahedral (i) quasicrystal phase with a negligible amount of C14 Laves phase (hcp). The discharge capacity increased with increasing amount of Ni substituted for Zr. The maximum discharge capacity achieved was about 90 mAh/g from (Ti45Zr30Ni25) ribbon after substitution of Ni for Zr. The discharge performance was almost stable against the charge/discharge cycle (until 15 cycles) for all the ribbons, and the i-phase structure was also stable even after the 15th charge/discharge cycle. No metal hydride formation was observed.
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