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发明授权
CN108598560B 复合固体电解质及其制备方法和应用 有权

复合固体电解质及其制备方法和应用
摘要：
本发明公开了一种复合固体电解质，包括第一固体电解质层和第二固体电解质层，其中第一固体电解质层是聚合物固体电解质层，第二固体电解质层包括聚合物固体电解质和无机固体电解质，第二固体电解质层在所述复合固体电解质中的质量含量为50～90％，无机固体电解质在第二固体电解质层中的质量含量为10～70％；本发明还公开了复合固体电解质的制备方法及其应用；本发明公开的复合固体电解质结合了无机固体电解质和聚合物固体电解质的优点，电导率高，电化学窗口宽，可有效抑制锂枝晶生长，防止金属负极的粉化，制备方法简单，易于工业化生产。
摘要（英）：

The invention discloses a composite solid electrolyte. The composite solid electrolyte comprises a first solid electrolyte layer and a second solid electrolyte layer; the first solid electrolyte layeris a polymer solid electrolyte layer; the second solid electrolyte layer comprises a polymer solid electrolyte and an inorganic solid electrolyte; the mass amount of the second solid electrolyte layer accounts for 50 to 90% of that of the composite solid electrolyte; the mass amount of the inorganic solid electrolyte layer accounts for 10 to 70% of that of the second solid electrolyte layer. Theinvention also discloses a preparation method and applications of the composite solid electrolyte. The composite solid electrolyte possesses the advantages of the inorganic solid electrolyte and the polymer solid electrolyte; the conductivity is high; the electrochemical window is wide; lithium dendrite growth can be inhibited effectively; metal cathode efflorescence is avoided; the preparation method is simple, and is convenient for industrialized production.

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