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In the lithium-ion battery ternary anode materials, trace elements affect the battery performance directly, in this study, an analytical method for simultaneous determination of 19 trace elements including Nb, B, Zr, Sr, Ta, Ti, Y, La, Ga, Cu, Fe, K, Mg, P, Na, Al, Cr, Mo and Zn in ternary anode materials of lithium ion batteries is established by inductively coupled plasma emission spectrometry. The influence of different solvents on the determination of trace elements in ternary anode materials is investigated, and the best sample solvent is determined. The results show that the method is simple, rapid, and has good repeatability and reliability. The relative standard deviation of each element is 0.58%~3.56%, and the recovery is 91.81%~104.91%, which can fully meet the needs of trace element content analysis of ternary cathode materials.
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| 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 |
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