POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

PROBLEM TO BE SOLVED: To provide a lithium ion secondary battery excellent in rate characteristics.SOLUTION: The positive electrode active material for a lithium ion secondary battery includes: compound particles represented by the formula (1); and a coating portion formed so as to cover at least a...

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Bibliographische Detailangaben
1. Verfasser:	SHIMIZU CHIEKO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a lithium ion secondary battery excellent in rate characteristics.SOLUTION: The positive electrode active material for a lithium ion secondary battery includes: compound particles represented by the formula (1); and a coating portion formed so as to cover at least a part of the compound particles. The coating portion is a mixture containing a hydroxide compound and a hydrophobic compound. LiNiCoMO... (1) (M is at least one of Mg, Ca, Sr, Ba, Ti, Al, Cr, Mn, Fe, Ge, W, Cu, or Zn; 0.95≤a≤1.3;0≤x