Toyota jidosha kabushiki kaisha (20240097136). NEGATIVE ELECTRODE FOR USE IN LITHIUM-ION SECONDARY BATTERY AND LITHIUM-ION SECONDARY BATTERY simplified abstract
Contents
- 1 NEGATIVE ELECTRODE FOR USE IN LITHIUM-ION SECONDARY BATTERY AND LITHIUM-ION SECONDARY BATTERY
- 1.1 Organization Name
- 1.2 Inventor(s)
- 1.3 NEGATIVE ELECTRODE FOR USE IN LITHIUM-ION SECONDARY BATTERY AND LITHIUM-ION SECONDARY BATTERY - 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
NEGATIVE ELECTRODE FOR USE IN LITHIUM-ION SECONDARY BATTERY AND LITHIUM-ION SECONDARY BATTERY
Organization Name
toyota jidosha kabushiki kaisha
Inventor(s)
Akira Kohyama of Aichi-ken (JP)
Ryuta Morishima of Aichi-ken (JP)
Daisaku Ito of Kanagawa-ken (JP)
Naoyuki Iwata of Kanagawa-ken (JP)
NEGATIVE ELECTRODE FOR USE IN LITHIUM-ION SECONDARY BATTERY AND LITHIUM-ION SECONDARY BATTERY - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240097136 titled 'NEGATIVE ELECTRODE FOR USE IN LITHIUM-ION SECONDARY BATTERY AND LITHIUM-ION SECONDARY BATTERY
Simplified Explanation
The present disclosure describes a negative electrode for a lithium-ion secondary battery that protects the electrode from damage caused by expansion and contraction of an Si-based active material. The negative electrode includes a current collector and a layer of Si-based active material capable of absorbing and releasing lithium ions. Additionally, a high-molecular-weight organic compound is included to enhance the battery's durability.
- Si-based negative electrode active material
- High-molecular-weight organic compound for improved durability
- Weight-average molecular weight of 1000 or higher
Potential Applications
The technology described in this patent application could be used in various lithium-ion secondary battery applications, including electric vehicles, portable electronics, and energy storage systems.
Problems Solved
1. Protection of negative electrode from breakage and cracks 2. Enhanced durability of lithium-ion secondary batteries
Benefits
1. Improved performance and longevity of lithium-ion batteries 2. Increased safety and reliability of battery systems 3. Potential for longer battery life cycles
Potential Commercial Applications
Optimizing the negative electrode design for lithium-ion batteries can lead to increased adoption of electric vehicles, improved energy storage solutions, and more efficient portable electronic devices.
Possible Prior Art
One possible prior art in this field is the use of various additives and coatings to enhance the durability and performance of lithium-ion battery electrodes. However, the specific combination of an Si-based active material and a high-molecular-weight organic compound as described in this patent application may be novel.
What are the key components of the negative electrode described in the patent application?
The key components of the negative electrode are the Si-based negative electrode active material and the high-molecular-weight organic compound.
How does the high-molecular-weight organic compound improve the durability of the lithium-ion secondary battery?
The high-molecular-weight organic compound is included in the negative electrode to enhance its durability by providing mechanical support and stability to the electrode structure, thereby reducing the risk of breakage and cracks during the charge-discharge cycles.
Original Abstract Submitted
the present disclosure provides a negative electrode for use in a lithium-ion secondary battery capable of protecting the negative electrode from breakage and cracks due to expansion and contraction of an si-based negative electrode active material. the negative electrode is for use in a lithium-ion secondary battery and includes a negative electrode current collector and a negative electrode active material layer formed on the negative electrode current collector. the negative electrode active material layer contains, as a negative electrode active material, an si-based negative electrode active material including si as a component and capable of reversibly absorbing and releasing lithium ions. the negative electrode further includes a high-molecular-weight organic compound for improving durability of the lithium-ion secondary battery. the high-molecular-weight organic compound has a weight-average molecular weight of 1000 or higher.