| 标题 |
 Averting irreversible transition metal migration in O3-type NaCrO2 via oxygen vacancy defects to enable durable sodium storage |
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| DOI | |
| 其它 | Layered transition-metal oxides (NaxTMO2) are commonly studied as cathodes owing to high theoretical specific capacity and wide Na+ diffusion channel. The irreversible TM migration during Na+ de/insertion and the low actual energy density, however, are still the challenging obstacles to the practical application. NaCrO2 (NCO), one of the typical O3-type layered oxides, has been synthesized via a spray drying-assisted solid-state reaction in this study. It experiences a highly reversible O3hex-O’3mon-P’3mon phase transition during charge/discharge processes, which is primarily attributed to the effectively averted irreversible chromium migration via the in situ constructed oxygen |
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(2025-6-4)
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