Toyota jidosha kabushiki kaisha (20240258506). POSITIVE ELECTRODE LAYER simplified abstract
Contents
POSITIVE ELECTRODE LAYER
Organization Name
toyota jidosha kabushiki kaisha
Inventor(s)
Momoko Procter of Seto-shi (JP)
Chika Noguchi of Toyota-shi (JP)
Shimpei Kondo of Nagoya-shi (JP)
POSITIVE ELECTRODE LAYER - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240258506 titled 'POSITIVE ELECTRODE LAYER
The present disclosure addresses the problem by introducing a positive electrode layer for use in a lithium-ion secondary battery. This layer contains a positive electrode active material, carbon nanotubes, and tungsten.
- The positive electrode active material consists of secondary particles with primary particles and voids between them.
- The carbon nanotubes in the positive electrode layer include first carbon nanotubes that are present in the voids of the secondary particles.
- X-ray absorption fine structure analysis shows that the peaks of L absorption edges of tungsten meet specific criteria.
Potential Applications: - This technology can be used in the development of high-performance lithium-ion secondary batteries. - It may find applications in electric vehicles, portable electronic devices, and energy storage systems.
Problems Solved: - Enhances the performance and efficiency of lithium-ion batteries. - Improves the stability and longevity of battery operation.
Benefits: - Increased energy density and capacity of batteries. - Enhanced cycling performance and durability. - Improved safety and reliability of battery systems.
Commercial Applications: The technology can be utilized in the production of advanced batteries for various industries, including automotive, consumer electronics, and renewable energy sectors.
Questions about Lithium-Ion Battery Technology: 1. How does the inclusion of tungsten and carbon nanotubes improve the performance of lithium-ion batteries? 2. What specific criteria need to be met for the peaks of L absorption edges of tungsten in the positive electrode layer?
Frequently Updated Research: Stay updated on the latest advancements in lithium-ion battery technology, particularly focusing on the integration of novel materials for electrode design and performance optimization.
Original Abstract Submitted
in the present disclosure, the above problem can be addressed by providing a positive electrode layer used in a lithium ion secondary battery, wherein the positive electrode layer contains a positive electrode active material and carbon nanotubes, wherein the positive electrode active material contains tungsten and is secondary particles including a plurality of primary particles and voids formed between the plurality of primary particles, wherein the positive electrode layer contains, as the carbon nanotubes, first carbon nanotubes of which at least some are included in the voids of the secondary particles, and wherein spectrums at rising positions (10,195 ev to 10,206 ev) of peaks of l absorption edges of tungsten measured by x-ray absorption fine structure analysis (xafs) satisfy:
