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发明授权
CN105849953B 非水电解质二次电池用负极活性物质及其制造方法 有权

非水电解质二次电池用负极活性物质及其制造方法
摘要：
本发明提供一种非水电解质二次电池用负极活性物质，其是由元素组成式Met1‑Si‑O‑C‑H(式中，Met1是碱金属元素的1种或混合物)表示，所述非水电解质二次电池用负极活性物质含有由硅系无机化合物与所述碱金属构成的硅酸盐，所述硅酸盐内分散着由硅、硅合金或硅氧化物构成的微粒；以及，提供一种非水电解质二次电池用负极活性物质，其是由元素组成式Met2‑Si‑O‑C‑H(式中，Met2是碱土金属元素的1种或混合物)表示，所述非水电解质二次电池用负极活性物质含有由硅系无机化合物与所述碱土金属构成的硅酸盐。
摘要（英）：

The present invention includes a negative electrode active material for a non-aqueous electrolyte secondary battery, wherein the negative electrode active material is represented by an elemental composition formula of Met 1 -Si-O-C-H (wherein Met 1 represents one alkali metal element or a mixture of alkali metal elements), including: a silicate salt made of a silicon-based inorganic compound and the alkali metal, and fine particles composed of silicon, silicon alloy, or silicon oxide being dispersed in the silicate salt; and a negative electrode active material for a non-aqueous electrolyte secondary battery, wherein the negative electrode active material is represented by an elemental composition formula of Met 2 -Si-O-C-H (wherein Met 2 represents one alkaline earth metal element or a mixture of alkaline earth metal elements), including: a silicate salt made of a silicon-based inorganic compound and the alkaline earth metal.

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