18266839. Positive Electrode Active Material and Method of Preparing the Same simplified abstract (LG CHEM, LTD.)

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Positive Electrode Active Material and Method of Preparing the Same

Organization Name

LG CHEM, LTD.

Inventor(s)

Ji Hun Jung of Daejeon (KR)

Hyun Ah Park of Daejeon (KR)

Eung Ju Lee of Daejeon (KR)

Min Hee Son of Daejeon (KR)

Positive Electrode Active Material and Method of Preparing the Same - A simplified explanation of the abstract

This abstract first appeared for US patent application 18266839 titled 'Positive Electrode Active Material and Method of Preparing the Same

Simplified Explanation

The abstract describes a positive electrode active material for a lithium secondary battery, which includes a lithium transition metal oxide with a high nickel content. The oxide is in the form of secondary particles, which are aggregates of primary particles.

  • The positive electrode active material contains 60 mol % or more of nickel in the lithium transition metal oxide.
  • The lithium transition metal oxide is in the form of secondary particles, which are aggregates of primary particles.

Potential Applications

This technology could be used in lithium secondary batteries for various applications such as electric vehicles, portable electronics, and energy storage systems.

Problems Solved

1. Enhanced performance: The high nickel content in the positive electrode active material improves the overall performance and energy density of lithium secondary batteries. 2. Stability: The use of secondary particles in the form of aggregates provides better stability and cycling performance to the battery.

Benefits

1. Higher energy density: The high nickel content allows for higher energy density in the battery. 2. Improved stability: The use of secondary particles enhances the stability and cycling performance of the battery. 3. Longer lifespan: The positive electrode active material can contribute to a longer lifespan of lithium secondary batteries.

Potential Commercial Applications

"High Nickel Content Positive Electrode Active Material for Lithium Secondary Batteries" could find applications in electric vehicles, consumer electronics, and grid energy storage systems.

Possible Prior Art

There may be prior art related to lithium transition metal oxides with high nickel content for use in lithium secondary batteries. Research and patents in the field of battery materials and energy storage may contain relevant information.

Unanswered Questions

How does the high nickel content affect the overall performance of the lithium secondary battery?

The high nickel content in the positive electrode active material is expected to improve the energy density and performance of the battery, but the specific mechanisms and effects of this enhancement could be further explored through experimental studies and analysis.

What are the potential challenges or limitations of using a lithium transition metal oxide with a high nickel content in lithium secondary batteries?

While the high nickel content can offer benefits such as higher energy density, there may be challenges related to cost, material availability, and potential side reactions that could affect the overall performance and safety of the battery. Further research and development are needed to address these potential limitations.


Original Abstract Submitted

A positive electrode active material, a method of preparing the same, and a positive electrode and lithium secondary battery including the same are disclosed herein. In some embodiments, a positive electrode active material includes a lithium transition metal oxide which contains 60 mol % or more of nickel based on a total number of moles of transition metals excluding lithium in the lithium transition metal oxide, wherein the oxide is in a form of a secondary particle which is an aggregate of primary particles, wherein the lithium transition metal oxide satisfies Equation 1: