Positive active material, electrochemical device, and electrical device
AssigneeNingde Amperex Technology Limited
InventorsGuoxia YUAN, Ye LANG, Leimin XU
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Abstract
A positive active material, including a lithium manganese oxide. An X-ray diffraction pattern of the positive active material exhibits a first diffraction peak in a range of 14.3° to 16.3° and a second diffraction peak in a range of 17.3° to 19.3°. The positive active material of this application achieves a high specific charge capacity and high structural stability, and can increase the energy density and lifespan of the electrochemical device.
Claims18
A positive active material, comprising:
- a lithium manganese oxide, and an X-ray diffraction pattern of the positive active material exhibits a first diffraction peak in a range of 14.3° to 16.3° and a second diffraction peak in a range of 17.3° to 19.3°.
An electrochemical device, comprising:
- a positive active material, the positive active material comprises a lithium manganese oxide, and an X-ray diffraction pattern of the positive active material exhibits a first diffraction peak in a range of 14.3° to 16.3° and a second diffraction peak in a range of 17.3° to 19.3°.
An electrical device, comprising an electrochemical device, the electrochemical device comprises a positive active material, the positive active material comprises a lithium manganese oxide, and an X-ray diffraction pattern of the positive active material exhibits a first diffraction peak in a range of 14.3° to 16.3° and a second diffraction peak in a range of 17.3° to 19.3°.
Dependencies are inferred from the claim text.