18756030. POSITIVE ELECTRODE COMPOSITE MATERIAL, PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE AND LITHIUM ION SECONDARY BATTERY simplified abstract (Murata Manufacturing Co., Ltd.)

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POSITIVE ELECTRODE COMPOSITE MATERIAL, PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE AND LITHIUM ION SECONDARY BATTERY

Organization Name

Murata Manufacturing Co., Ltd.

Inventor(s)

Yuli Li of Shanghai (CN)

Siming Yang of Shanghai (CN)

Jixian Lv of Shanghai (CN)

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 18756030 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 made of polysaccharide organic polymer, polyvinyl alcohol, or polypropylene alcohol. This material aims to improve battery performance by reducing side reactions and transition metal dissolution, preventing particle breakage, and enhancing battery efficiency and cycle life.

Key Features and Innovation:

  • Positive electrode composite material with a coating layer containing polysaccharide organic polymer, polyvinyl alcohol, or polypropylene alcohol
  • Inhibition of side reactions between electrode material and electrolyte
  • Reduction of transition metal dissolution
  • Prevention of particle breakage
  • Improved initial Coulombic efficiency and cycle performance of lithium-ion batteries

Potential Applications: The technology can be applied in the manufacturing of lithium-ion batteries for various electronic devices, electric vehicles, and energy storage systems.

Problems Solved:

  • Side reactions between electrode material and electrolyte
  • Transition metal dissolution
  • Particle breakage
  • Low efficiency and cycle life of lithium-ion batteries

Benefits:

  • Enhanced battery performance
  • Extended cycle life
  • Improved efficiency
  • Reduced maintenance and replacement costs

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 improve the performance of lithium-ion batteries? 2. What are the specific benefits of using polysaccharide organic polymer, polyvinyl alcohol, or polypropylene alcohol in the coating layer?

Frequently Updated Research: Researchers are continuously exploring new materials and methods to further enhance the performance and longevity of lithium-ion batteries, including advancements in electrode design and electrolyte composition. Stay updated on the latest developments in battery technology to leverage the most efficient and sustainable energy storage solutions.


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.