18530873. Lithium Secondary Battery simplified abstract (LG Energy Solution, Ltd.)

Lithium Secondary Battery

Organization Name

LG Energy Solution, Ltd.

Inventor(s)

Jung Gu Han of Daejeon (KR)

Chul Haeng Lee of Daejeon (KR)

Yo Jin Kim of Daejeon (KR)

Jung Min Lee of Daejeon (KR)

Su Hyeon Ji of Daejeon (KR)

Chul Eun Yeom of Daejeon (KR)

Ki Won Sung of Daejeon (KR)

Young Seong Jo of Daejeon (KR)

Jeong Min Kim of Daejeon (KR)

Lithium Secondary Battery - A simplified explanation of the abstract

This abstract first appeared for US patent application 18530873 titled 'Lithium Secondary Battery

Simplified Explanation: The patent application describes a lithium secondary battery with an overlithiated manganese-rich oxide positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte containing specific additives.

Key Features and Innovation:

• Positive electrode made of overlithiated manganese-rich oxide with high Mn content.
• Non-aqueous electrolyte with specific additives for improved battery performance.
• Lithium-to-transition metal molar ratio greater than 1 in the positive electrode.
• Inclusion of a separator for enhanced battery safety.
• Overall design aimed at increasing battery efficiency and longevity.

Potential Applications: The technology can be used in various portable electronic devices, electric vehicles, and energy storage systems.

Problems Solved:

• Enhanced battery performance and efficiency.
• Improved safety features with the inclusion of a separator.
• Increased longevity of lithium secondary batteries.

Benefits:

• Longer battery life.
• Higher energy density.
• Improved safety features.
• Enhanced overall battery performance.

Commercial Applications: The technology can be applied in the development of high-performance lithium secondary batteries for consumer electronics, electric vehicles, and renewable energy storage systems.

Questions about Lithium Secondary Battery Technology: 1. How does the inclusion of specific additives in the non-aqueous electrolyte impact battery performance? 2. What are the key advantages of using an overlithiated manganese-rich oxide positive electrode in lithium secondary batteries?

Original Abstract Submitted

Provided here is a lithium secondary battery including a positive electrode comprising an overlithiated manganese-rich oxide containing Mn in an amount of 50 mol % or greater with respect to all metals excluding lithium and having a lithium-to-transition metal molar ratio of greater than 1, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte, wherein the non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive, the additive includes a first additive of Formula 1 and a second additive of Formula 2: