Positive electrode active material for rechargeable lithium ion battery

The present invention relates to a positive electrode active material in a rechargeable lithium ion battery having a cobalt and nickel concentration difference between the center and edge of secondary particles and having a specific range of crystallite sizes. 本发明涉及可再充电锂离子电池中的正电极活性材料，该正电极活性材料具有在次生颗粒...

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Hauptverfasser:	KARAKULINA, OLESIA, BOULANGINO, MAXIME
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY INORGANIC CHEMISTRY METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	The present invention relates to a positive electrode active material in a rechargeable lithium ion battery having a cobalt and nickel concentration difference between the center and edge of secondary particles and having a specific range of crystallite sizes. 本发明涉及可再充电锂离子电池中的正电极活性材料，该正电极活性材料具有在次生颗粒的中心与边缘之间的钴和镍浓度差并且具有特定范围的微晶尺寸。