Lithium-containing composite oxide and its production method

The present invention provides a lithium-containing composite oxide for a positive electrode for a lithium secondary battery, which has a large volume capacity density and high safety, and excellent durability for charge and discharge cycles and charge and discharge rate property, and its production...

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Hauptverfasser: UCHIDA MEGUMI, MIHARA TAKUYA, KAWASATO TAKESHI, SAITO NAOSHI, HORICHI KAZUSHIGE
Format: Patent
Sprache:eng
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Zusammenfassung:The present invention provides a lithium-containing composite oxide for a positive electrode for a lithium secondary battery, which has a large volume capacity density and high safety, and excellent durability for charge and discharge cycles and charge and discharge rate property, and its production method. The lithium-containing composite oxide is represented by the general formula LipNxMyOzFa (where N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Al, Sn, alkaline earth metal elements and transition metal elements other than Co, Mn and Ni, 0.9 p 1.2, 0.965 x