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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Saadoune, Ismael Delmas, Claude Ménétrier, Michel |
| Copyright Year | 1997 |
| Abstract | Samples of LixNi0.1Co0.9O2 (0.5≤x≤1.0), prepared by electrochemical deintercalation from LiNi0.1Co0.9O2 , have been characterized by X-ray diffraction, electrical measurements and 7Li NMR spectroscopy. A good correlation is found between the electrochemical behaviour of the LixNi0.1Co0.9O2 electrode materials and their physical properties. During lithium deintercalation from LiNi0.1Co0.9O2 , the trivalent nickel ions are oxidized preferentially to trivalent cobalt ions. This leads to a reversible break in the potential–composition curve around the composition Li0.9Ni0.1Co0.9O2 . This change in the redox regime, which occurs without any structural transformation, has been confirmed by the evolution of the electrical conduction process and that of the 7Li NMR signal. |
| Starting Page | 2505 |
| Ending Page | 2511 |
| Page Count | 7 |
| File Format | |
| ISSN | 09599428 |
| Volume Number | 7 |
| Issue Number | 12 |
| Journal | Journal of Materials Chemistry |
| DOI | 10.1039/a703368k |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Electrochemistry X-ray crystallography Electrical measurements Nuclear magnetic resonance spectroscopy Electrode Lithium Nickel Cobalt Redox |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Materials Chemistry |
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