Journal
CHEMICAL COMMUNICATIONS
Volume 57, Issue 23, Pages 2891-2894Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc08302j
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Funding
- National Natural Science Foundation of China [22075132, 51802149, U1801251]
- Fundamental Research Funds for the Central Universities
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A novel biphasic layered Na0.62Ni0.33Mn0.62Sb0.05O2 cathode, synthesized via a solid-state reaction method, shows smoother (dis)charge profile, superior rate capability, and excellent cycling performance compared to its monophasic counterpart Na0.67Ni0.33Mn0.67O2. Structural and kinetic studies reveal minimal volume strain and rapid charge transfer during the electrochemical process.
A novel biphasic layered Na0.62Ni0.33Mn0.62Sb0.05O2 cathode is introduced which can be easily synthesized via a solid-state reaction method. Compared with its monophasic counterpart Na0.67Ni0.33Mn0.67O2, biphasic Na0.62Ni0.33Mn0.62Sb0.05O2 displays a smoother (dis)charge profile, superior rate capability along with splendid cycling performance. Structural and kinetic studies respectively demonstrate extremely small volume strain and rapid charge transfer during the electrochemical process.
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