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Updated: Dec 20, 2025
Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
Published on: November 11, 2013
Mesoporous carbon host material for stable lithium metal anode.
Jooyoung Jeong1, Jinyoung Chun2, Won-Gwang Lim1
1Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea. jwlee1@kaist.ac.kr and Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-gu, Pohang 37673, Republic of Korea.
Mesoporous carbon effectively stabilizes lithium metal anodes in batteries, preventing dendrite growth and extending lifespan. This advancement is crucial for next-generation lithium metal batteries (LMBs) and lithium-sulfur (Li-S) applications.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Lithium (Li) metal offers high capacity and low potential for advanced batteries.
- Challenges include Li dendrite formation and unstable solid-electrolyte interphase (SEI) during cycling.
- Controlling Li deposition is key for safe and efficient Li metal batteries (LMBs).
Purpose of the Study:
- To investigate microporous and mesoporous carbon as host materials for Li metal anodes.
- To evaluate the effectiveness of different pore sizes in suppressing Li dendrite formation.
- To assess the performance and stability of Li metal anodes in lithium-sulfur (Li-S) full cells.
Main Methods:
- Synthesized and characterized microporous (<2 nm) and mesoporous (2-50 nm) carbon materials.
- Tested Li metal anodes with these carbon hosts in cycling experiments.
- Compared performance against traditional copper foil anodes.
- Integrated Li-plated mesoporous carbon into a lithium-sulfur (Li-S) battery full cell.
Main Results:
- Mesoporous carbon demonstrated superior performance compared to microporous carbon and copper foil.
- Li metal anodes hosted in mesoporous carbon exhibited more than double the lifetime.
- Mesoporous structures effectively confined Li metal, suppressing dendrite growth.
- Li-plated mesoporous carbon anodes showed promise in Li-S full cells.
Conclusions:
- Mesoporous carbon is a more effective host material than microporous carbon for stabilizing Li metal anodes.
- The confinement provided by mesopores is critical for preventing dendrite formation and improving cycling stability.
- Mesoporous carbon hosts represent a viable strategy for enhancing the performance of next-generation batteries, including Li-S systems.
