Lithium secondary battery

A lithium secondary battery includes a cathode formed from a cathode active material including a first cathode active material particle and a second cathode active material particle, an anode and a separation layer interposed between the cathode and the anode. The first cathode active material parti...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Kim, Soo Ho, Kang, Min Gu, Cho, Yong Hyun, Do, Young Hoon
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A lithium secondary battery includes a cathode formed from a cathode active material including a first cathode active material particle and a second cathode active material particle, an anode and a separation layer interposed between the cathode and the anode. The first cathode active material particle includes a lithium metal oxide in which at least one metal forms a concentration gradient. The second cathode active material particle includes primary particles having different shapes or crystalline structures from each other.