18678441. ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE simplified abstract (Ningde Amperex Technology Limited)

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ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE

Organization Name

Ningde Amperex Technology Limited

Inventor(s)

Kai Wang of Ningde (CN)

Jia Tang of Ningde (CN)

ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18678441 titled 'ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE

The patent application describes an electrochemical device with a positive electrode containing a positive active material layer and a negative electrode with a negative active material layer.

  • The positive active material layer includes a first region with a molar percentage X of an M1 element greater than 0.5%, where M1 includes elements like aluminum, magnesium, titanium, and others.
  • The negative active material layer has a porosity P, with 1.3 ≤ P/P ≤ 3.5.

Potential Applications: This technology could be used in rechargeable batteries, energy storage systems, and electric vehicles.

Problems Solved: The technology addresses the need for improved performance and efficiency in electrochemical devices.

Benefits: Enhanced energy storage capacity, longer battery life, and increased overall efficiency are some of the benefits of this technology.

Commercial Applications: This technology has significant commercial potential in the battery manufacturing industry, renewable energy sector, and electric vehicle market.

Questions about the technology: 1. How does the porosity of the negative active material layer impact the performance of the electrochemical device? 2. What are the specific advantages of incorporating M1 elements in the positive active material layer?

Frequently Updated Research: Stay updated on the latest advancements in electrochemical device technology, battery materials research, and energy storage innovations.


Original Abstract Submitted

An electrochemical device, including a positive electrode, wherein the positive electrode includes a positive active material layer, which includes a positive active material, the positive active material includes a first substrate and a first region disposed on a surface of the first substrate, and based on a molar content of a Co element in the first region, a molar percentage X of an M1 element in the first region is ≥0.5%, wherein M1 includes at least one of aluminum, magnesium, titanium, zirconium, manganese, lutetium, barium, nickel, lanthanum, yttrium, niobium, tungsten, calcium, sodium, selenium, or sulfur; and a negative electrode, wherein the negative electrode includes a negative active material layer; and 1.3≤P/P≤ 3.5, wherein Pis a porosity of the negative active material layer, and Pis a porosity of the positive active material layer.