18540744. LITHIUM SECONDARY BATTERY, BATTERY PACK AND ELECTRONIC DEVICE INCLUDING SAME simplified abstract (LG Energy Solution, Ltd.)
Contents
LITHIUM SECONDARY BATTERY, BATTERY PACK AND ELECTRONIC DEVICE INCLUDING SAME
Organization Name
Inventor(s)
Sun Young Shin of Daejeon (KR)
LITHIUM SECONDARY BATTERY, BATTERY PACK AND ELECTRONIC DEVICE INCLUDING SAME - A simplified explanation of the abstract
This abstract first appeared for US patent application 18540744 titled 'LITHIUM SECONDARY BATTERY, BATTERY PACK AND ELECTRONIC DEVICE INCLUDING SAME
The abstract describes a lithium secondary battery with specific electrode materials and a separator, as well as an electrolyte. The positive electrode contains a lithium transition metal compound with specific characteristics, while the negative electrode consists of a silicon carbon composite.
- Positive electrode made of lithium transition metal compound with nickel, cobalt, and manganese
- Negative electrode composed of silicon carbon composite
- Size of silicon crystal grains in negative electrode limited to 10% of lithium transition metal compound crystal grains
Potential Applications: - Energy storage for electronic devices - Electric vehicles - Renewable energy storage systems
Problems Solved: - Enhanced battery performance and efficiency - Increased energy density - Improved cycle life
Benefits: - Longer-lasting battery - Higher energy storage capacity - Improved overall battery performance
Commercial Applications: Title: Advanced Lithium Secondary Battery for High-Performance Electronics This technology can be utilized in various electronic devices, electric vehicles, and renewable energy storage systems, catering to the growing demand for efficient and long-lasting energy storage solutions.
Questions about Lithium Secondary Battery Technology: 1. How does the composition of the positive electrode contribute to the overall performance of the battery? The positive electrode's lithium transition metal compound with nickel, cobalt, and manganese enhances the battery's energy density and cycle life.
2. What are the advantages of using a silicon carbon composite in the negative electrode? The silicon carbon composite in the negative electrode improves the battery's overall performance by increasing energy storage capacity and efficiency.
Original Abstract Submitted
Disclosed are a lithium secondary battery, a battery pack and an electronic device. The lithium secondary battery includes: a positive electrode comprising a positive electrode active material; a negative electrode comprising a negative electrode active material; a separator between the positive electrode and the negative electrode; and an electrolyte, wherein the positive electrode active material comprises a lithium transition metal compound comprising nickel (Ni), cobalt (Co) and manganese (Mn), wherein the lithium transition metal compound comprises a form of single particles having at least one of a single primary particle or an aggregate of 2 or more and 30 or less of primary particles, wherein the single particles comprise crystal grains of the lithium transition metal compound therein, wherein the negative electrode active material comprises a silicon carbon composite having Si crystal grains therein, and wherein the size of the Si crystal grains of the silicon carbon composite is 10% or less of the size of the crystal grains of the lithium transition metal compound.
