Murata manufacturing co., ltd. (20240347711). POSITIVE ELECTRODE COMPOSITE MATERIAL, PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE AND LITHIUM ION SECONDARY BATTERY simplified abstract
POSITIVE ELECTRODE COMPOSITE MATERIAL, PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE AND LITHIUM ION SECONDARY BATTERY
Organization Name
murata manufacturing co., ltd.
Inventor(s)
POSITIVE ELECTRODE COMPOSITE MATERIAL, PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE AND LITHIUM ION SECONDARY BATTERY - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240347711 titled 'POSITIVE ELECTRODE COMPOSITE MATERIAL, PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE AND LITHIUM ION SECONDARY BATTERY
Simplified Explanation: This patent application introduces a positive electrode composite material for lithium-ion batteries that includes a coating layer to improve battery performance and longevity.
- The positive electrode composite material consists of a positive electrode active material and a coating layer made of polysaccharide organic polymer, polyvinyl alcohol, or polypropylene alcohol.
- The coating layer helps prevent side reactions between the active material and the electrolyte, reduces the dissolution of transition metals, and prevents the breaking of active material particles.
- By inhibiting these reactions, the composite material enhances the initial coulombic efficiency and cycle performance of lithium-ion batteries.
Key Features and Innovation:
- Positive electrode composite material with a protective coating layer.
- Coating layer includes polysaccharide organic polymer, polyvinyl alcohol, or polypropylene alcohol.
- Inhibits side reactions, reduces transition metal dissolution, and prevents particle breakage.
- Improves initial coulombic efficiency and cycle performance of lithium-ion batteries.
Potential Applications: This technology can be applied in the manufacturing of lithium-ion batteries for various electronic devices, electric vehicles, and energy storage systems.
Problems Solved:
- Inhibition of side reactions between active material and electrolyte.
- Reduction of transition metal dissolution.
- Prevention of active material particle breakage.
- Enhancement of initial coulombic efficiency and cycle performance.
Benefits:
- Improved battery performance and longevity.
- Enhanced efficiency and cycle life of lithium-ion batteries.
- Reduced risk of side reactions and transition metal dissolution.
Commercial Applications: The technology can be utilized in the production of high-performance lithium-ion batteries for consumer electronics, electric vehicles, and renewable energy storage systems, potentially leading to more reliable and long-lasting battery solutions in the market.
Questions about Positive Electrode Composite Material: 1. How does the coating layer in the positive electrode composite material improve battery performance? 2. What are the specific benefits of using polysaccharide organic polymer, polyvinyl alcohol, or polypropylene alcohol in the coating layer?
Frequently Updated Research: Ongoing research in the field of lithium-ion battery materials and coatings may provide further insights into optimizing the performance and durability of batteries using similar innovative approaches.
Original Abstract Submitted
a positive electrode composite material, a preparation method therefor, a positive electrode and a lithium ion secondary battery are provided. the positive electrode composite material includes: a positive electrode active material; and a coating layer coating the positive electrode active material, the coating layer includes one or more of a polysaccharide organic polymer, polyvinyl alcohol and polypropylene alcohol. the positive electrode composite material, the method for preparing the positive electrode composite material, and the positive electrode and the lithium ion secondary battery which includes the positive electrode composite material in the present application, can effectively inhibit side reactions between the positive electrode active material and an electrolyte in the lithium ion secondary battery, reduce the dissolution of transition metals in the positive electrode active material, prevent breaking of the positive electrode active material particles, and improve the initial coulombic efficiency and cycle performance of the lithium ion secondary battery.
