POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE COMPOSITE MATERIAL, AND BATTERY

POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE COMPOSITE MATERIAL, AND BATTERY

The present disclosure provides a cathode material including multiple composite secondary particles, each of the composite secondary particles including multiple primary cathode material particles, where the composite secondary particles meet: 0.9≤0.1D/A+B∗C≤20 (Relation 1). In which A represents a...

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Bibliographische Detailangaben
Hauptverfasser: TIAN, Yecheng, DENG, Xuanwei, CHEN, Na, RUAN, Zewen, ZHANG, Nan
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Zusammenfassung:The present disclosure provides a cathode material including multiple composite secondary particles, each of the composite secondary particles including multiple primary cathode material particles, where the composite secondary particles meet: 0.9≤0.1D/A+B∗C≤20 (Relation 1). In which A represents a particle size D50 of the primary cathode material particles, unit: µm; B represents a particle size D50 of the composite secondary particles, unit: µm; C represents a specific surface area of the composite secondary particles, unit: m2/g; and D represents a number of the primary cathode material particles in each of composite secondary particles.