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A Protocol for Electrochemical Evaluations and State of Charge Diagnostics of a Symmetric Organic Redox Flow Battery
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Aqueous Iron-Ions Batteries: Status, Solutions, and Prospects
Hao Luo1,2, Xueying Su1,2, Zhenxin Chen1
1School of Materials Science and Engineering, Xiamen University of Technology, Xiamen, Fujian, 361024, China.
Advanced Materials (Deerfield Beach, Fla.)
|August 4, 2025
Summary
Aqueous iron-ion batteries (AFIBs) offer a safe and affordable energy storage solution. This review details recent advancements in AFIBs, addressing challenges in anode, cathode, and electrolyte design for improved performance and commercial viability.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Aqueous iron-ion batteries (AFIBs) are recognized for their low cost and safety.
- Key challenges include hydrogen evolution, cathode instability, and electrolyte oxidation.
Purpose of the Study:
- To provide a comprehensive review of recent progress in AFIBs.
- To analyze strategies for optimizing AFIB components and overcoming limitations.
Main Methods:
- Literature review of recent developments in AFIBs.
- Analysis of fundamental mechanisms and material design strategies.
- Comparative evaluation of different approaches.
Main Results:
- Identified key challenges in anode, cathode, and electrolyte performance.
- Summarized current strategies for material optimization and performance enhancement.
- Evaluated the potential of various design approaches for AFIBs.
Conclusions:
- AFIBs show promise but require further development to overcome existing challenges.
- Targeted material development and strategic design are crucial for commercialization.
- This review provides insights to guide future research and development in AFIB technology.
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