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发明公开
CN103560267A 全固态锂二次电池电解质材料、其制备方法及全固态锂二次电池 有权 转让

全固态锂二次电池电解质材料、其制备方法及全固态锂二次电池
摘要：
本发明提供了一种全固态锂二次电池电解质材料及其制备方法，该方法将Li2S、P2S5和掺杂物制备得到式（I）所示的全固态锂二次电池电解质材料；所述掺杂物为锂的第III、第IV、第V、第VI和第VII主族非金属元素化合物，以及由第III、第IV、第V、第VI和第VII主族非金属元素中至少两个元素形成的化合物中的一种或多种。式（I）中，M为第III、第IV、第V、第VI和第VII主族非金属元素中的一种或多种；0＜a≤10，0＜b≤5，0＜c≤15，0＜d＜1。所述全固态锂二次电池电解质材料的导电性和电化学稳定性等较好，利于应用。本发明还提供了一种全固态锂二次电池。LiaPbScMd（I）
摘要（英）：

The invention provides an electrolyte material (LiaPbScMd) for an all solid-state lithium secondary battery and a preparation method for the electrolyte material. The electrolyte material, shown in a formula (I) LiaPbScMd, for the all solid-state lithium secondary battery is prepared from Li2S, P2S5 and a dopant, wherein the dopant is selected from one or more of compounds of nonmetal elements in main groups III, IV, V, VI and VII of lithium and compounds formed from at least two of the nonmetal elements in the main groups III, IV, V, VI and VII; in the formula (I), M is selected from one or more of the nonmetal elements in the main groups III, IV, V, VI and VII, a is more than 0 and less than or equal to 10, b is more than 0 and less than or equal to 5, c is more than 0 and less than or equal to 15, and d is more than 0 and less than 1. The electrolyte material for the all solid-state lithium secondary battery has high electrical conductivity, high electrochemical stability and the like, and is favorable for application. The invention also provides the all solid-state lithium secondary battery.

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