ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY USING THE SAME

PROBLEM TO BE SOLVED: To provide an electrode active material for a lithium ion secondary battery which is a new type that suppresses an internal resistance even when used as a whole solid battery, and can be charged and discharged with high efficiency for a long period, and a lithium ion secondary...

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Bibliographische Detailangaben
Hauptverfasser:	OMUTA TAKUYA, OKADA SHIGETO, INOISHI ATSUSHI, YOSHIOKA YUTO, KITAJO AYUKO, KOBAYASHI EIJI
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:	PROBLEM TO BE SOLVED: To provide an electrode active material for a lithium ion secondary battery which is a new type that suppresses an internal resistance even when used as a whole solid battery, and can be charged and discharged with high efficiency for a long period, and a lithium ion secondary battery using the electrode active material.SOLUTION: A new electrode active material for a lithium ion secondary battery is made of lithium-containing phosphate of LiMTi(PO)(M is a metal element, y=1+x or y=1+2x).SELECTED DRAWING: Figure 2 【課題】全固体電池として使用した場合であっても、内部抵抗を抑制し、長期間にわたって充放電を高い効率で行うことができると共に、高いイオン伝導度も発揮できる新しいタイプのリチウムイオン二次電池用の電極活物質およびそれを用いたリチウムイオン二次電池を提供する。【解決手段】新たなリチウムイオン二次電池用の電極活物質は、リチウム含有リン酸塩ＬｉｙＭｘＴｉ２−ｘ（ＰＯ４）３（Ｍは金属元素であり、ｙ＝１＋ｘまたはｙ＝１＋２ｘ）から成る。【選択図】図２