Non-aqueous electrolyte cell and cell pack

非水电解质电池及电池包

Abstract

Provided is a non-aqueous electrolyte cell equipped with a negative electrode including a negative electrode active material, a positive electrode including a positive electrode active material, and a non-aqueous electrolyte. The negative electrode active material includes a composite oxide containing titanium. The positive electrode active material includes secondary particles of a first composite oxide and primary particles of a second composite oxide. The first composite oxide is represented by the general formula LiMn1-x-yMgxFeyPO4 (0 < x <= 0.1, 0 < y <= 0.3). The second composite oxide is represented by the general formula LiCo1-a-bNiaMnbO2(0 <= a, b <= 0.5).
本发明提供一种非水电解质电池,其具备含负极活性物质的负极、含正极活性物质的正极、和非水电解质。负极活性物质含有含钛的复合氧化物。正极活性物质含有第1复合氧化物的二次粒子和第2复合氧化物的一次粒子。第1复合氧化物可用通式LiMn1‑x‑yMgxFeyPO4(0<x≤0.1、0<y≤0.3)表示。第2复合氧化物可用通式LiCo1‑a‑bNiaMnbO2(0≤a、b≤0.5)表示。

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