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Electrochemical and mechanical properties of superelastic electrode consisting of Ti substitute LiNiO2 film on Ti-50Ni alloy
- Issue Date
- 20-Nov-2009
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- LiNiTiO2; Electrode; Transformation temperature; Superelasticity; Electrochemical properties
- Citation
- JOURNAL OF ALLOYS AND COMPOUNDS, v.488, no.1, pp L17 - L20
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF ALLOYS AND COMPOUNDS
- Volume
- 488
- Number
- 1
- Start Page
- L17
- End Page
- L20
- ISSN
- 0925-8388
1873-4669
- Abstract
- By annealing Ni film/Li film/Ti-50Ni alloy in O-2 atmosphere, we fabricated a superelastic electrode consisting Ti-LiNiO2 film as a cathode material and TiNi substrate as a current collector. The electrode with partial shape memory effect and superelasticity exhibited a high operating voltage of 3.7 V and a good reversibility of Li ion. An increased M-S of TiNi alloy in the electrode was attributed to a compressive stress imposed by TiO2 and Li-0.98 Ni0.7Ti0.3O1.92 layers. (C) 2009 Elsevier B.V. All rights reserved.
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