Interfaces and Materials in Lithium Ion Batteries: Challenges for Theoretical Electrochemistry

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• Energy storage is vital for renewable energy integration and electric vehicle adoption.
• Lithium ion batteries are the dominant electrochemical storage technology.
• Key components include electrodes (active materials) and electrolytes (inactive materials).

Purpose of the Study:

• To review state-of-the-art (SOTA) lithium ion battery materials and components.
• To identify advancements and challenges in electrode and electrolyte materials.
• To encourage further research for tailored lithium ion battery applications.

Main Methods:

• Review of SOTA cathode and anode materials.
• Analysis of liquid aprotic electrolytes, including salts, solvents, and additives.
• Discussion of electrolyte additive mechanisms and theoretical modeling approaches.

Main Results:

• Electrode materials show progress, but challenges remain.
• Electrolytes are identified as critical for enhancing lithium ion battery performance and reliability.
• Understanding degradation at the electrolyte/electrode interface is crucial.

Conclusions:

• Further improvements in both active and inactive materials are necessary for new applications (e.g., high temperature/voltage).
• Theoretical modeling aids in material selection and understanding degradation.
• Continued research is essential for developing advanced, application-specific lithium ion batteries.