US Patent Application 18222497. POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND POWER CONSUMING DEVICE simplified abstract

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POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND POWER CONSUMING DEVICE

Organization Name

CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED


Inventor(s)

Cheng Ji of Ningde (CN)

Baiqing Li of Ningde (CN)

POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND POWER CONSUMING DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18222497 titled 'POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND POWER CONSUMING DEVICE

Simplified Explanation

The patent application describes a positive electrode plate for use in batteries.

  • The positive electrode plate includes a positive electrode current collector and positive electrode film layers.
  • The positive electrode film layers can have a single-layer or multi-layer structure.
  • In the single-layer structure, at least one of the film layers contains a combination of different positive electrode active materials.
  • The active materials can include LiFePO, carbon-coated LiFePO, LiFeDPO, and carbon-coated LiFeDcO.
  • In the multi-layer structure, at least one layer contains the same combination of positive electrode active materials.
  • The first positive electrode active material has an inner core containing LiMnAyPRO, a first coating layer containing pyrophosphate and phosphate, and a second coating layer containing a carbon element.


Original Abstract Submitted

A positive electrode plate may comprise a positive electrode current collector and positive electrode film layers having a single-layer or multi-layer structure provided on at least one surface of the positive electrode current collector; when the positive electrode film layers have a single-layer structure, at least one of the positive electrode film layers may comprise a first positive electrode active material and a second positive electrode active material selected from LiFePO, carbon-coated LiFePO, LiFeDPO and carbon-coated LiFeDcO; and/or when the positive electrode film layers have a multi-layer structure, at least one layer of the at least one of the positive electrode film layers may comprise the first and second positive electrode active materials; and the first positive electrode active material may comprise an inner core containing LiMnAyPRO, a first coating layer containing pyrophosphate and phosphate, and a second coating layer containing a carbon element.

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