Lg energy solution, ltd. (20240282956). Lithium Secondary Battery simplified abstract
Lithium Secondary Battery
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Lithium Secondary Battery - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240282956 titled 'Lithium Secondary Battery
The abstract describes a lithium secondary battery with a positive electrode containing a lithium composite transition metal oxide with a high nickel content, a boron-containing coating layer on some or all primary particles, and a nonaqueous electrolyte solution with boron dissolved in it.
- Positive electrode contains lithium composite transition metal oxide with high nickel content
- Boron-containing coating layer on primary particles
- Nonaqueous electrolyte solution includes boron
- Ratio of boron content in electrolyte to positive electrode material is 0.001 to 5
- Improved life characteristics of the battery
Potential Applications: - Energy storage systems - Electric vehicles - Portable electronic devices
Problems Solved: - Enhanced battery life - Improved performance in high-demand applications
Benefits: - Longer-lasting battery - Better efficiency in demanding conditions - Potential for increased energy density
Commercial Applications: - Battery manufacturing industry - Electric vehicle market - Consumer electronics sector
Questions about Lithium Secondary Battery Technology: 1. How does the high nickel content in the positive electrode material impact the performance of the battery? 2. What are the specific advantages of having a boron-containing coating layer on the primary particles in the battery?
Frequently Updated Research: - Ongoing studies on optimizing the boron content in the nonaqueous electrolyte solution for further performance improvements.
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.
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