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发明公开
CN102270759A 负极、锂离子二次电池、电力工具和电动车辆 有权 转让

负极、锂离子二次电池、电力工具和电动车辆
摘要：
本发明提供一种用于锂离子二次电池的负极、锂离子二次电池、电力工具、电动车辆和电力存储系统。所述锂离子二次电池具有高容量和优异的循环特性。该锂离子二次电池包括正极、负极和电解质。该负极在负极集电体上具有包括LixSiFy(1≤x≤2且5≤y≤6)作为负极活性物质的负极活性物质层。
摘要（英）：

The invention provides a cathode, a lithium ion secondary battery, an electric power tool, an electrical vehicle and a power storage system. The lithium secondary battery has high capacity and excellent cycle characteristics. The lithium ion secondary battery includes a cathode, an anode, and an electrolyte. The cathode has, on a cathode current collector, a cathode active material layer including LixSiFy (1<=x<=2 and 5<=y<=6) as a cathode active material.

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