POSITIVE ELECTRODE ACTIVE MATERIAL AND MANUFACTURING METHOD FOR THE SAME

To provide a lithium iron manganese phosphate positive electrode active material having an olivine structure that suppresses capacity degradation after durability.SOLUTION: A positive electrode active material is represented by LiaMnbFecWdD1eD2fPgOh (D1 is a metallic element, D2 is an element of gro...

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Hauptverfasser:	SAIDA JUN, YAMAOKA SHINTARO, SHIMAZU TAKASHI, MATSUSHIRO MASARU, HASHIZUME TARO
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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Zusammenfassung:	To provide a lithium iron manganese phosphate positive electrode active material having an olivine structure that suppresses capacity degradation after durability.SOLUTION: A positive electrode active material is represented by LiaMnbFecWdD1eD2fPgOh (D1 is a metallic element, D2 is an element of group 13 to 16 and its valence is 4 or less. Parameters, a, b, c, d, e, f, g, and h satisfy 0