MANUFACTURING METHOD OF NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

To provide a manufacturing method of a negative electrode material for a lithium ion secondary battery capable of manufacturing a negative electrode having excellent cycle characteristics, a negative electrode material for a lithium ion secondary battery, a negative electrode for a lithium ion secon...

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Bibliographische Detailangaben
Hauptverfasser:	TOKUDA YOSHITETSU, WAKATABE HIROYUKI, OYA AKINOBU, KOSHIDA HIROYUKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	To provide a manufacturing method of a negative electrode material for a lithium ion secondary battery capable of manufacturing a negative electrode having excellent cycle characteristics, a negative electrode material for a lithium ion secondary battery, a negative electrode for a lithium ion secondary battery having excellent cycle characteristics, and a lithium ion secondary battery having the same.SOLUTION: A manufacturing method of a negative electrode material for a lithium ion secondary battery includes heating a mixture of silicon particles and lithium silicate particles at a temperature exceeding the melting temperature of the lithium silicate particles.SELECTED DRAWING: None 【課題】サイクル特性に優れる負極を製造可能なリチウムイオン二次電池用負極材の製造方法及びリチウムイオン二次電池用負極材、サイクル特性に優れるリチウムイオン二次電池用負極、並びにこれを備えるリチウムイオン二次電池を提供する。【解決手段】リチウムイオン二次電池用負極材の製造方法は、シリコン粒子とリチウムシリケート粒子との混合物を、前記リチウムシリケート粒子の溶融温度を超える温度で加熱することを含む。【選択図】なし