本公司生产的锂电池隔膜系列产品,作为陶瓷涂层涂到锂电池正负极间隔膜上,起到耐热,耐高温,绝缘的作用,从而可以防止动力电池因温度过高,隔膜熔化而短路。
产品具体规格如下:
项目(Items) | 单位(Unit) | 特性 Compositions | ||||
晶型 (Crystal form) | α | α | α | |||
固含量 ( Solid content) | % | 40-60 | 40-60 | 40-60 | ||
粘度 (Viscosity )(20℃), | Pa.s | 0.04-0.5 | 0.04-0.5 | 0.04-0.5 | ||
PH值 PH value | 7-9 | 7-9 | 7-9 | |||
接触角 Contact angle(20℃) | 42-53 | 42-53 | 42-53 | |||
细度 particle size | 粒径particle size (D50)≤ | um | 1.2 | 1.2 | 1.2 | |
粒径particle size (D90)≤ | um | 2.4 | 2.4 | 2.4 | ||
Al2O3含量 ( Content) | % | ≥99.9 | ≥99.99 | ≥99.995 | ||
杂质含量 Content of Impurities
| Na | ppm | 500 | 10 | 5 | |
Mg | ppm | 20 | 2 | 2 | ||
Ca | ppm | 20 | 2 | 2 | ||
K | ppm | 5 | 2 | 1 | ||
Si | ppm | 50 | 10 | 5 | ||
Fe | ppm | 50 | 10 | 5 | ||
Zn | ppm | 5 | 2 | 1 | ||
Mn | ppm | 5 | 2 | 1 |