18570729. Lithium Secondary Battery simplified abstract (LG ENERGY SOLUTION, LTD.)
Contents
Lithium Secondary Battery
Organization Name
Inventor(s)
Lithium Secondary Battery - A simplified explanation of the abstract
This abstract first appeared for US patent application 18570729 titled 'Lithium Secondary Battery
The abstract describes a lithium secondary battery with a positive electrode containing a lithium composite transition metal oxide and a negative electrode with a boron-containing coating layer, all immersed in a nonaqueous electrolyte solution.
- Positive electrode active material has a nickel content of 60 mol % or more in a total transition metal, in the form of secondary particles with a boron-containing coating layer.
- Nonaqueous electrolyte solution includes boron dissolved in it, with a specific ratio of boron content in the solution to the positive electrode active material.
- The battery is designed to have improved life characteristics due to these specific features.
Potential Applications: - Energy storage systems - Electric vehicles - Portable electronic devices
Problems Solved: - Enhanced battery life - Improved performance and efficiency
Benefits: - Longer-lasting lithium secondary battery - Better overall performance - Increased energy storage capacity
Commercial Applications: Title: Advanced Lithium Secondary Battery Technology for Enhanced Performance This technology can be utilized in various industries such as electric vehicles, consumer electronics, and renewable energy storage systems, leading to more efficient and durable battery solutions in the market.
Questions about Lithium Secondary Battery Technology: 1. How does the boron-containing coating layer on the primary particles of the positive electrode active material contribute to the battery's performance?
- The boron-containing coating layer helps enhance the stability and efficiency of the battery by improving the electrode's structural integrity and preventing side reactions.
2. What is the significance of the specific ratio of boron content in the nonaqueous electrolyte solution to the positive electrode active material in terms of battery performance?
- The ratio ensures optimal interaction between the electrolyte solution and the active materials, leading to improved battery life and overall efficiency.
Original Abstract Submitted
A lithium secondary battery includes a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material and a nonaqueous electrolyte solution, wherein the positive electrode active material has a lithium composite transition metal oxide having a nickel content of 60 mol % or more in a total transition metal in a form of secondary particles formed by agglomeration of primary particles; and a boron containing coating layer on a surface of all or some of the primary particles, the nonaqueous electrolyte solution comprises a boron dissolved in the nonaqueous electrolyte solution, and a ratio B/A of a boron content (B) in the nonaqueous electrolyte solution to a boron content (A) in the positive electrode active material is 0.001 to 5. The lithium secondary battery according to the present disclosure has improved life characteristics.
