发明名称 |
NEGATIVE-ELECTRODE ACTIVE MATERIAL FOR ELECTRIC DEVICE, AND ELECTRIC DEVICE USING SAME |
摘要 |
[Problem] To provide a means capable of improving cycle durability of electric devices, such as a lithium ion secondary battery. [Solution] The present invention uses a negative electrode active material for an electric device, said negative electrode active material being formed of a silicon-containing alloy having a predetermined composition. The present invention is characterized in that, in an X-ray diffraction measurement of the silicon-containing alloy, said X-ray diffraction measurement using a CuKα1 beam, a ratio value (B/A) of a diffraction peak intensity B of the (001) plane of Sn with respect to the diffraction peak intensity A of the (111) plane of Si is 0.3-3.7. The diffraction peak of the (111) plane of Si is within a range where 2θ=24-33°, and the diffraction peak of the (001) plane of Sn is within a range where 2θ=26-35°. |
申请公布号 |
WO2016098211(A1) |
申请公布日期 |
2016.06.23 |
申请号 |
WO2014JP83477 |
申请日期 |
2014.12.17 |
申请人 |
NISSAN MOTOR CO., LTD. |
发明人 |
YOSHIOKA, YOUICHI;CHIBA, NOBUTAKA;WATANABE, MANABU;MIKI, HUMIHIRO;KABURAGI, TOMOHIRO |
分类号 |
H01M4/38;H01M4/36 |
主分类号 |
H01M4/38 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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