GAN Lu (1996-), female, Master candidate. E-mail: 993104130@qq.com
Sodium-based layered oxides are a reasearch hotspot due to thier high specific capacity and high ionic conductivity. Different ordering superstructures in these materilas, including Na+/vacancy ordering in Na layer, charge ordering and transition metal ordering in transition metal layer, greatly affect the phase transition process, voltage profile and ion diffusion coefficient, etc.. The characteristics of three types of ordering superstructures were introduced, and the effects of ionic interaction, Fermi level and ionic radius on the ordering superstructures were also discussed. Meanwhile, this review summarized some work on the disordering structures and predicted the promising design directions to supress the ordering structures, for providing a guidance for the structural design of high-performance electrode materials.
| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |