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发明授权
CN106414324B 硅材料和二次电池的负极 有权

硅材料和二次电池的负极
摘要：
本发明提供一种作为负极活性物质有用的硅材料。一种硅材料，其Si/O原子比在大于1/0.5且为1/0.1以下的范围，带隙在大于1.1eV且为2.1eV以下的范围。使用该硅材料作为负极活性物质的二次电池的寿命长。
摘要（英）：

A silicon material useful as a negative electrode active material is provided. The silicon material has an Si/O atom ratio within a range of greater than 1/0.5 and not greater than 1/0.1 and a band gap within a range of greater than 1.1 eV and not greater than 2.1 eV. A secondary battery in which this silicon material is used as a negative electrode active material has long life.

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