Electrode Architecture Design to Promote Charge-Transport Kinetics in High-Loading and High-Energy Lithium-Based...

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• Rechargeable lithium-ion batteries are crucial for modern society.
• Increasing demand for energy necessitates high-loading, high-energy batteries.
• Thick electrodes in batteries face challenges like mechanical instability and electrochemical polarization.

Purpose of the Study:

• To review principles of charge transport mechanisms in thick battery electrodes.
• To summarize recent advancements in structural engineering for advanced electrode architectures.
• To introduce a transmission line model for guiding the engineering of thick electrodes.

Main Methods:

• Elaboration of charge transport principles and thick electrode challenges.
• Summarization of structural engineering approaches for electrode design.
• Proposal of a transmission line model for electrode optimization.

Main Results:

• Understanding charge transport is vital for thick electrode performance.
• Advanced electrode architectures can mitigate mechanical and electrochemical issues.
• The transmission line model offers a framework for engineering robust thick electrodes.

Conclusions:

• Addressing mechanical instability and electrochemical polarization is key for thick electrodes.
• Structural engineering of electrode architecture is critical for battery development.
• The proposed transmission line model can guide future research in high-energy battery design.