18275038. Positive Electrode and Lithium Secondary Battery Including the Same simplified abstract (LG Energy Solution, Ltd.)
Contents
- 1 Positive Electrode and Lithium Secondary Battery Including the Same
- 1.1 Organization Name
- 1.2 Inventor(s)
- 1.3 Positive Electrode and Lithium Secondary Battery Including the Same - A simplified explanation of the abstract
- 1.4 Simplified Explanation
- 1.5 Potential Applications
- 1.6 Problems Solved
- 1.7 Benefits
- 1.8 Potential Commercial Applications
- 1.9 Possible Prior Art
- 1.10 Original Abstract Submitted
Positive Electrode and Lithium Secondary Battery Including the Same
Organization Name
Inventor(s)
Positive Electrode and Lithium Secondary Battery Including the Same - A simplified explanation of the abstract
This abstract first appeared for US patent application 18275038 titled 'Positive Electrode and Lithium Secondary Battery Including the Same
Simplified Explanation
The positive electrode for a lithium secondary battery described in the abstract consists of a positive electrode collector, a first positive electrode active material layer, and a second positive electrode active material layer. Both active materials contain a lithium nickel-cobalt-based oxide, with specific ratios of nickel to cobalt in each layer.
- Positive electrode includes a collector, a first active material layer, and a second active material layer.
- Both active materials contain lithium nickel-cobalt-based oxide.
- First active material has a high nickel content and a molar ratio of nickel to cobalt of 18 or more.
- Second active material has a lower nickel content and a molar ratio of nickel to cobalt of less than 18.
Potential Applications
This technology could be applied in:
- Lithium secondary batteries
- Electric vehicles
- Portable electronic devices
Problems Solved
This innovation addresses:
- Improving battery performance
- Enhancing energy storage capacity
- Increasing battery lifespan
Benefits
The benefits of this technology include:
- Higher energy density
- Improved battery efficiency
- Longer-lasting battery performance
Potential Commercial Applications
This technology could be utilized in:
- Battery manufacturing industry
- Renewable energy storage systems
- Consumer electronics market
Possible Prior Art
One possible prior art for this technology could be:
- Previous patents related to lithium nickel-cobalt-based oxide in battery applications
What is the specific composition of the lithium nickel-cobalt-based oxide used in the positive electrode active materials?
The specific composition includes an amount of nickel of 80 atm % or more, with a molar ratio of nickel to cobalt of 18 or more in the first active material and less than 18 in the second active material.
How does the molar ratio of nickel to cobalt in the positive electrode active materials affect the performance of the lithium secondary battery?
The molar ratio of nickel to cobalt influences the battery's capacity, cycle life, and overall efficiency. A higher ratio in the first active material can enhance specific capacity, while a lower ratio in the second active material may improve stability and longevity.
Original Abstract Submitted
A positive electrode for a lithium secondary battery includes a positive electrode collector, a first positive electrode active material layer formed on the positive electrode collector and includes a first positive electrode active material, and a second positive electrode active material layer formed on the first positive electrode active material layer and includes a second positive electrode active material. The first positive electrode active material and the second positive electrode active material include a lithium nickel-cobalt-based oxide in which an amount of nickel among total metallic components excluding lithium is 80 atm % or more, the first positive electrode active material has a molar ratio of nickel to cobalt of 18 or more, and the second positive electrode active material has a molar ratio of nickel to cobalt of less than 18.
