Hyundai motor company (20240105918). POSITIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREFOR simplified abstract

POSITIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREFOR

Organization Name

hyundai motor company

Inventor(s)

Seung Min Oh of Incheon (KR)

Sung Ho Ban of Hwaseong-Si (KR)

Sang Hun Lee of Paju-Si (KR)

Chang Hoon Song of Seoul (KR)

Yoon Sung Lee of Suwon-Si (KR)

Ko Eun Kim of Cheongju-Si (KR)

Van Chuong Ho of Incheon (KR)

Jun Young Mun of Seoul (KR)

POSITIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREFOR - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240105918 titled 'POSITIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREFOR

Simplified Explanation

The abstract describes a positive electrode material for a lithium secondary battery that includes carbon nanotubes attached to the surface of an active material, enhancing electron conductivity and surface stability.

• Positive electrode material for a lithium secondary battery with carbon nanotubes attached to the active material surface
• Increased electron conductivity and improved surface stability
• Positive electrode material comprises a Li-Ni-Co-Mn-O-based core material with a carbon nanotube coating layer
• Carbon nanotubes in an amount of 1-5 wt % of the positive electrode active material core

Potential Applications

The technology can be applied in:

• Lithium-ion batteries
• Electric vehicles
• Portable electronic devices

Problems Solved

• Enhanced electron conductivity
• Improved surface stability
• Increased battery performance and lifespan

Benefits

• Higher efficiency in energy storage
• Longer battery life
• Improved overall performance of lithium secondary batteries

Potential Commercial Applications

• Battery manufacturing companies
• Electric vehicle manufacturers
• Consumer electronics companies

Possible Prior Art

There may be prior art related to:

• Carbon nanotube applications in battery technology
• Surface modification of electrode materials for improved performance

Unanswered Questions

How does the addition of carbon nanotubes affect the overall cost of manufacturing lithium secondary batteries?

The abstract does not provide information on the cost implications of incorporating carbon nanotubes in the positive electrode material.

Are there any potential environmental impacts associated with the use of carbon nanotubes in lithium secondary batteries?

The abstract does not address any environmental considerations or potential impacts of using carbon nanotubes in the battery technology.

Original Abstract Submitted

a positive electrode material for a lithium secondary battery and a manufacturing method therefor are provided. the positive electrode material may have carbon nanotubes stably attached to a surface of an active material and may exhibit increased electron conductivity and improved surface stability. the positive electrode material for a lithium secondary battery may comprises: a positive electrode active material core comprising a li—ni—co—mn-m-o-based material, where m is a transition metal; and a carbon nanotube coating layer on a surface of the positive electrode active material core. carbon nanotubes (cnt) may be in an amount of 1-5 wt %, based on 100 wt % of the positive electrode active material core.