Nonaqueous electrolyte secondary battery positive electrode and nonaqueous electrolyte secondary battery
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsTomohiro Harada, Noriko Fukamichi, Takeshi Ogasawara, Daizo Jito
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Abstract
The positive electrode mixture layer of this nonaqueous electrolyte secondary battery positive electrode, which is one exemplary embodiment, contains a first lithium-transition-metal composite oxide represented by general formula LixNi1-y-zCoyMzO2 (in the formula. 0.8≤x≤1.2, 0≤y≤0.2, 0<z≤0.5, and M is at least one metal element excluding Li, Ni, and Co), a second lithium-transition-metal composite oxide represented by general formula LiaNi2-a-bMebO2 (in the formula, 0<a≤0.5, 0≤b≤0.5, and Me is at least one metal element excluding Li and Ni), and a carbon nanotube.
Claims7
A positive electrode for a non-aqueous electrolyte secondary battery, having a positive electrode mixture layer, wherein
- the positive electrode mixture layer includes:
- a first lithium-transition metal composite oxide represented by the general formula LixNi1-y-zCoyM2O2, wherein 0.8≤x≤1.2, 0≤y≤0.2, 0<z≤0.5, and M represents at least one metal element excluding Li, Ni, and Co;
- a second lithium-transition metal composite oxide represented by the general formula LiaNi2-a-bMebO2, wherein 0<a≤0.5, 0≤b≤0.5, and Me represents at least one metal element excluding Li and Ni;
- and
- a carbon nanotube.
Dependencies are inferred from the claim text.