LTO as a Promising Anode Material for Aqueous Batteries: Synthesis Routes, Properties, and Electrode Preparation...

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• Growing renewable energy necessitates advanced energy storage solutions.
• Aqueous lithium-ion batteries offer safety and conductivity but are limited by water's electrochemical stability.
• Lithium titanate oxide (LTO) is a promising anode due to its stability and high operating potential.

Purpose of the Study:

• To review literature on LTO-based aqueous lithium-ion batteries from 2010-2026.
• To analyze the relationship between material synthesis, electrode fabrication, electrolyte engineering, and performance.
• To identify strategies for stable and scalable aqueous LTO battery systems.

Main Methods:

• Literature review of peer-reviewed publications (2010-2026).
• Analysis of scalable fabrication techniques like spray deposition and tape casting.
• Examination of advanced electrolytes including water-in-salt, gel-polymer, and localized high-concentration types.

Main Results:

• LTO's properties are well-suited for aqueous electrolytes, mitigating hydrogen evolution.
• Scalable fabrication methods impact electrode quality and overall battery performance.
• Novel electrolytes significantly expand the electrochemical stability window and improve interfaces.
• Synergistic optimization of electrolyte, electrode, and processing is crucial.

Conclusions:

• Tailoring electrolyte design, electrode architecture, and processing methods is key to advancing LTO-based aqueous lithium-ion batteries.
• These batteries hold significant potential for safe, sustainable, and cost-effective energy storage.
• Further research can unlock the full potential of these systems for grid-scale applications.