Powder material and preparation method thereof

The invention discloses a powder material and a preparation method thereof. Wherein the powder material can be suitable for forming a solid electrolyte in a battery, the chemical formula of the powder material is Li < 7-3x > La < 3 > Zr < 2 > Al < x > O < 12 >, and the value range of X is 0.05-1; the powder material and the preparation method thereof have the beneficial effects that the powder material with relatively balanced performance and the preparation method thereof are provided. 本申请公开了一种粉体材料及其制备方法。其中，所述粉体材料可适用于构成电池中的固态电解质，所述粉体材料的化学式为Li7-3xLa3Zr2AlxO12，其中，X的取值范围为：0.05至1；本申请的有益之处在于提供了一种性能较为均衡的粉体材料及其制备方法。