NEGATIVE ACTIVE MATERIAL, METHOD FOR MANUFACTURING NEGATIVE ACTIVE MATERIAL, AND LITHIUM ION BATTERY

To provide a negative active material having satisfactory electron conductivity and ion conductivity, which is the main purpose of the present disclosure.SOLUTION: In the present disclosure, the above-mentioned problem is solved by providing a negative active material that is used for a lithium ion...

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Bibliographische Detailangaben
1. Verfasser:	YUI YUKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS THEREOF ELECTRICITY INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Zusammenfassung:	To provide a negative active material having satisfactory electron conductivity and ion conductivity, which is the main purpose of the present disclosure.SOLUTION: In the present disclosure, the above-mentioned problem is solved by providing a negative active material that is used for a lithium ion battery, the negative active material containing at least an Sr element and an S element and having a perovskite type crystal phase belonging to the I4 mmm space group, in which the molar ratio of the S element to the Sr element is larger than 0.1.SELECTED DRAWING: Figure 4 【課題】本開示は、電子伝導性およびイオン伝導性が良好な負極活物質を提供することを主目的とする。【解決手段】本開示においては、リチウムイオン電池に用いられる負極活物質であって、Ｓｒ元素およびＳ元素を少なくとも含有し、Ｉ４／ｍｍｍの空間群に属するペロブスカイト型の結晶相を有し、上記Ｓｒ元素に対する上記Ｓ元素のモル比が、０．１より大きい、負極活物質を提供することにより上記課題を解決する。【選択図】図４