Panasonic intellectual property management co., ltd. (20240347718). POSITIVE ELECTRODE FOR SECONDARY BATTERIES, AND SECONDARY BATTERY simplified abstract
Contents
POSITIVE ELECTRODE FOR SECONDARY BATTERIES, AND SECONDARY BATTERY
Organization Name
panasonic intellectual property management co., ltd.
Inventor(s)
Keisuke Asaka of OSAKA FU (JP)
Motohiro Sakata of OSAKA FU (JP)
POSITIVE ELECTRODE FOR SECONDARY BATTERIES, AND SECONDARY BATTERY - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240347718 titled 'POSITIVE ELECTRODE FOR SECONDARY BATTERIES, AND SECONDARY BATTERY
The abstract describes a positive electrode for a secondary battery, with a positive electrode current collector and a positive electrode mixture layer on its surface. The mixture layer includes two types of positive electrode active material particles with different average particle sizes, where the larger particles are included more in a region closer to the current collector.
- The positive electrode mixture layer includes two types of positive electrode active material particles with different average particle sizes.
- The larger particles are included more in a region closer to the positive electrode current collector.
- At least 50% of the surface of the positive electrode current collector is a pressed-in region, where the larger particles are pressed in to a certain depth.
- The larger particles have an average size of 10 μm or more.
- The innovation aims to optimize the distribution of active material particles in the positive electrode mixture layer to enhance battery performance.
Potential Applications: - This technology can be applied in the development of high-performance secondary batteries for various electronic devices. - It can also be used in electric vehicles to improve battery efficiency and longevity.
Problems Solved: - Optimizes the distribution of active material particles in the positive electrode mixture layer. - Enhances battery performance and efficiency.
Benefits: - Improved battery performance and longevity. - Enhanced energy storage capabilities. - Potential for more efficient electric vehicles and portable electronic devices.
Commercial Applications: Title: Advanced Positive Electrode Technology for High-Performance Batteries This technology can be utilized in the production of high-performance batteries for consumer electronics, electric vehicles, and renewable energy storage systems. It has the potential to revolutionize the battery industry by improving energy storage capacity and efficiency.
Questions about Positive Electrode Technology: 1. How does the distribution of active material particles impact battery performance? - The distribution of active material particles affects the overall efficiency and longevity of the battery by optimizing the electrode's performance. 2. What are the key advantages of using different average particle sizes in the positive electrode mixture layer? - Using different particle sizes helps improve the packing density and overall performance of the battery.
Original Abstract Submitted
a positive electrode for a secondary battery including a positive electrode current collector with a positive electrode mixture layer provided its surface, wherein the positive electrode mixture layer includes first positive electrode active material particles having a first average particle size d1 and second positive electrode active material particles having a second average particle size d2, d1>d2 is satisfied, and d1 is 10 �m or more, the second positive electrode active material particles are included more in a second region than in the first region, a first region is nearer to the positive electrode current collector than the second region, 50% or more of the surface of the positive electrode current collector is a pressed-in region, and the pressed-in region is a region where the first positive electrode active material particles are pressed in to a depth of 10% or more of d1.
