采用X射线衍射分析法分析了复杂铝电解质的物相组成,同时考察了冷却速度对电解质物相的影响.物相结果表明,酸性电解质中CaF2的物相与电解质的冷却速度有关,在急冷条件下,物相包括Na4Ca4Al7F33 β-CaAlF5,α-CaAlF5等多种形式.在碱性电解质中氧化锂的物相为LiF.根据电解质物相结果给出了分子比的计算公式,利用氟离子选择电极法进行检验,准确度很高,证明物相结果是可信的.
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