US Patent Application 18347184. LITHIUM-ION BATTERY, BATTERY MODULE, BATTERY PACK AND POWERED DEVICE simplified abstract

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LITHIUM-ION BATTERY, BATTERY MODULE, BATTERY PACK AND POWERED DEVICE

Organization Name

CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED


Inventor(s)

Zeli Wu of Ningde (CN)

Changlong Han of Ningde (CN)

Cuiping Zhang of Ningde (CN)

Bin Jiang of Ningde (CN)

Zhiyong Ai of Ningde (CN)

Lei Huang of Ningde (CN)

LITHIUM-ION BATTERY, BATTERY MODULE, BATTERY PACK AND POWERED DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18347184 titled 'LITHIUM-ION BATTERY, BATTERY MODULE, BATTERY PACK AND POWERED DEVICE

Simplified Explanation

The patent application describes a lithium-ion battery with specific components and characteristics to improve safety, high-temperature cycling performance, and kinetic performance.

  • The battery includes a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte solution.
  • The electrolyte solution contains a lithium salt and a solvent, with a specific percentage of lithium salt by mass.
  • The battery meets a specific condition (5≤a≤10) related to the percentage of lithium salt in the electrolyte solution.
  • The negative electrode sheet has a specific load on a single side (W grams per 1540.25 mm2).
  • The battery meets a specific condition (25≤a/W≤50) related to the ratio of a (from the lithium salt percentage) to W (negative electrode sheet load).
  • The solvent used in the electrolyte solution is dimethyl carbonate.
  • The lithium-ion battery demonstrates good safety, high-temperature cycling performance, and kinetic performance.


Original Abstract Submitted

The present application discloses a lithium-ion battery, which has a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte solution comprising a lithium salt and a solvent, wherein based on the total weight of the electrolyte solution, the percentage by mass of the lithium salt in the electrolyte solution is a %, and the lithium ion battery satisfies 5≤a≤10; and the load on single side of the negative electrode sheet is W grams per 1540.25 mm2, and a and W satisfy 25≤a/W≤50; and the solvent comprises dimethyl carbonate. The lithium ion battery has good safety and high-temperature cycling performance, and also has good kinetic performance.

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