US Patent Application 18021880. ELECTRODE ASSEMBLY INCLUDING SEPARATOR HAVING CONDUCTIVE LAYER FORMED THEREON AND BATTERY CELL INCLUDING THE SAME simplified abstract

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ELECTRODE ASSEMBLY INCLUDING SEPARATOR HAVING CONDUCTIVE LAYER FORMED THEREON AND BATTERY CELL INCLUDING THE SAME

Organization Name

LG ENERGY SOLUTION, LTD.


Inventor(s)

Young Jae Kim of Daejeon (KR)

Min Ji Kim of Daejeon (KR)

Jong Hyun Chae of Daejeon (KR)

ELECTRODE ASSEMBLY INCLUDING SEPARATOR HAVING CONDUCTIVE LAYER FORMED THEREON AND BATTERY CELL INCLUDING THE SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 18021880 titled 'ELECTRODE ASSEMBLY INCLUDING SEPARATOR HAVING CONDUCTIVE LAYER FORMED THEREON AND BATTERY CELL INCLUDING THE SAME

Simplified Explanation

The patent application describes an electrode assembly for a battery cell, consisting of a positive electrode current collector, a positive electrode with a mixture layer, a negative electrode current collector, a negative electrode with a mixture layer, and a separator between the electrodes.

  • The positive electrode current collector has at least one surface.
  • The positive electrode has a mixture layer on at least one surface of the positive electrode current collector.
  • The negative electrode current collector also has at least one surface.
  • The negative electrode has a mixture layer on at least one surface of the negative electrode current collector.
  • A separator is placed between the positive and negative electrodes.
  • The negative electrode mixture layer includes silicon active material particles.
  • A conductive layer is present on at least one surface of the separator.
  • The thickness of the conductive layer is greater than 50% of the D50 particle size of the silicon active material particles.
  • The patent application also mentions a battery cell including this electrode assembly.


Original Abstract Submitted

An electrode assembly including a positive electrode current collector having at least one surface, positive electrode having a positive electrode mixture layer on at least one surface of the positive electrode current collector, a negative electrode current collector having at least one surface, a negative electrode having a negative electrode mixture layer on at least one surface of the negative electrode current collector, and a separator interposed between the positive electrode and the negative electrode. The negative electrode mixture layer includes silicon active material particles, a conductive layer on at least one surface of the separator, and the thickness of the conductive layer is greater than 50% of the D50 particle size of the silicon active material particles, and a battery cell including the same.

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