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Related Experiment Video

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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
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Hybrid Interfacial Modulation for Stabilizing Anode-Less Lithium-Sulfur Batteries: Guided Lithium Nucleation and

Young Chan Kim1, Pranav Kulkarni2,3, Sun-Sik Kim1

  • 1Department of Energy System Engineering, Gyeongsang National University, Jinju-si, Gyeongnam, 52849, South Korea.

Small Methods
|August 29, 2025
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Summary

Researchers developed a hybrid interfacial modulation layer (HIML) for anode-less lithium-sulfur (Li-S) batteries. This HIML stabilizes lithium deposition and prevents polysulfide crossover, enhancing battery performance and energy density.

Keywords:
Li2S cathodeLi‐S batteriesanode‐less batterieshybrid interfacial modulation layeruniform Li plating

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Energy Storage

Background:

  • Anode-less lithium-sulfur (Li-S) batteries are promising for high energy density storage.
  • Challenges include unstable lithium deposition and polysulfide crossover at the current collector interface.

Purpose of the Study:

  • To develop a hybrid interfacial modulation layer (HIML) for anode-less Li-S batteries.
  • To simultaneously regulate lithium deposition and block polysulfide migration.

Main Methods:

  • Fabrication of HIML using lithiophilic Au nano seeds coated with a porous ionic-selective overlayer.
  • Application of HIML to the current collector in an anode-less Li-S full cell with a Li2S cathode.

Main Results:

  • Achieved dendrite-free lithium deposition and uniform Li nucleation.
  • Demonstrated selective Li+ transport.
  • The HIML-enabled current collector achieved an initial charge capacity of 1272 mAh g-1, 95.7% Coulombic efficiency, and low polarization (0.14 V).
  • The full cell exhibited a high energy density of 389 Wh kg-1.

Conclusions:

  • HIML provides a robust and scalable strategy for stabilizing Li plating interfaces.
  • This approach paves the way for practical, high-performance anode-less Li-S batteries.