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Toward Stable Mn Metal Anodes and Electrolyte Design for Mn-Based Batteries
Jangwook Pyun1, Munseok S Chae1
1Department of Nanotechnology Engineering and Smart Green Technology Engineering, Pukyong National University, Busan, Republic of Korea.
Small (Weinheim an Der Bergstrasse, Germany)
|January 23, 2026
Summary
Manganese metal anodes offer high capacity for rechargeable batteries but face challenges like hydrogen evolution and corrosion. Electrolyte design and interphase engineering are key to enabling stable and efficient manganese metal batteries.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Manganese (Mn) metal is a promising anode material for next-generation rechargeable batteries due to its high theoretical capacity and low redox potential.
- However, practical application is hindered by issues such as hydrogen evolution, corrosion, and dendritic deposition, which reduce efficiency and stability.
Purpose of the Study:
- To critically review recent advancements in electrolyte design and interphase engineering for manganese metal anodes.
- To identify key strategies for overcoming challenges and enabling practical, high-energy manganese metal batteries.
Main Methods:
- Evaluation of recent research on electrolyte design, including concentrated aqueous solutions and halogen-mediated nonaqueous systems.
- Analysis of additive-driven interphase engineering strategies.
- Review of complementary approaches like artificial protective interphases and alloying for electronic structure modulation.
Main Results:
- Electrolyte design and interphase engineering can expand the electrochemical stability window and suppress water-induced side reactions.
- These strategies enable highly reversible manganese deposition and mitigate issues like hydrogen evolution and dendritic growth.
- Artificial interphases and alloying show promise in controlling nucleation and improving cycling stability.
Conclusions:
- Advanced electrolyte design and interphase engineering are crucial for realizing the potential of manganese metal anodes.
- Further research focusing on these areas will pave the way for practical, high-energy manganese metal batteries.
Keywords:
Mn metal anodesaqueous electrolyteselectrolyte additivesinterfacial engineeringnonaqueous electrolytesMore Related Videos
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