18731804. 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)

Jianyu Liu of Ningde (CN)

Hai Long of Ningde (CN)

Chao Tang of Ningde (CN)

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

This abstract first appeared for US patent application 18731804 titled 'ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE

Simplified Explanation

An electrochemical device with a unique electrolyte solution and positive electrode composition is described in the patent application.

  • The electrolyte solution contains fluoroethylene carbonate and a trinitrile compound in specific mass percentages.
  • The positive electrode includes a metal element M, such as Ti, Mg, or Al, in a certain content.
  • The combination of mass percentages of the electrolyte components and the metal content in the positive electrode is crucial for the device's performance.

Key Features and Innovation

  • Unique electrolyte solution composition with fluoroethylene carbonate and a trinitrile compound.
  • Positive electrode with a metal element M (Ti, Mg, or Al) in a specific content.
  • Optimal mass percentages of electrolyte components and metal content for enhanced device performance.

Potential Applications

The technology can be applied in various electrochemical devices such as batteries and capacitors for improved energy storage and efficiency.

Problems Solved

  • Enhanced performance and efficiency of electrochemical devices.
  • Improved stability and longevity of batteries and capacitors.

Benefits

  • Increased energy storage capacity.
  • Longer lifespan of electrochemical devices.
  • Enhanced overall performance and efficiency.

Commercial Applications

  • Battery technology for electric vehicles.
  • Energy storage systems for renewable energy sources.
  • Portable electronic devices with longer battery life.

Questions about the Technology

What are the specific advantages of using fluoroethylene carbonate in the electrolyte solution?

Fluoroethylene carbonate helps improve the stability and performance of the device by enhancing the electrolyte's properties.

How does the presence of metal element M in the positive electrode impact the device's overall efficiency?

The metal element M (Ti, Mg, or Al) plays a crucial role in the electrode's performance, contributing to the device's energy storage capacity and longevity.


Original Abstract Submitted

An electrochemical device includes a positive electrode, a negative electrode, a separator, and an electrolyte solution. The electrolyte solution includes fluoroethylene carbonate and a trinitrile compound. Based on a mass of the electrolyte solution, a mass percent of the fluoroethylene carbonate is A %, satisfying: 4≤ A≤10, and a mass percent of the trinitrile compound is B %, satisfying: 1≤B≤3. A positive active material of a positive electrode includes a metal element M. The metal element M includes at least one of Ti, Mg, or Al. A content of the metal element M in the positive active material is C ppm. C and B satisfy: 7≤C×B/1000≤27.