18582120. SEPARATOR FOR ELECTROCHEMICAL DEVICE AND AN ELECTROCHEMICAL DEVICE INCLUDING SAME simplified abstract (LG ENERGY SOLUTION, LTD.)

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SEPARATOR FOR ELECTROCHEMICAL DEVICE AND AN ELECTROCHEMICAL DEVICE INCLUDING SAME

Organization Name

LG ENERGY SOLUTION, LTD.

Inventor(s)

Min Ji Kim of Daejeon (KR)

Seung Hyun Lee of Daejeon (KR)

Kyung Ryun Ka of Daejeon (KR)

SEPARATOR FOR ELECTROCHEMICAL DEVICE AND AN ELECTROCHEMICAL DEVICE INCLUDING SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 18582120 titled 'SEPARATOR FOR ELECTROCHEMICAL DEVICE AND AN ELECTROCHEMICAL DEVICE INCLUDING SAME

The patent application describes a separator for an electrochemical device consisting of a porous polymer substrate with a porous coating layer on at least one side.

  • The porous coating layer contains first binder particles, second binder particles, and inorganic particles.
  • The inorganic particles are predominantly dispersed in a first surface region of the porous coating layer, while the second binder particles are mainly dispersed in a second surface region of the porous polymer substrate.
  • The inorganic particles have a higher weight per particle compared to the first and second binder particles.

Potential Applications: - Lithium-ion batteries - Fuel cells - Electrochemical capacitors

Problems Solved: - Enhanced stability and performance of electrochemical devices - Improved safety by preventing short circuits

Benefits: - Increased efficiency and longevity of batteries - Reduced risk of device failure - Enhanced overall performance

Commercial Applications: Title: "Advanced Separator Technology for Electrochemical Devices" This technology can be utilized in the production of high-performance batteries for consumer electronics, electric vehicles, and renewable energy storage systems. The market implications include improved battery life, safety, and reliability.

Questions about the technology: 1. How does the composition of the separator impact the overall performance of the electrochemical device? 2. What are the specific advantages of using inorganic particles in the porous coating layer of the separator?


Original Abstract Submitted

A separator for an electrochemical device including a porous polymer substrate and a porous coating layer on at least one side of the porous polymer substrate. The porous coating layer includes first binder particles, second binder particles, and inorganic particles. The inorganic particles are mostly dispersed in a first surface region of the porous coating layer, and the second binder particles are mostly dispersed in a second surface region of the porous polymer substrate, in which the first surface region faces the porous polymer substrate and the second surface region is an opposite surface region to the first surface region. The inorganic particles have a larger weight per particle than each respective weight per particle of the first and second binder particles.