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Related Experiment Video

Updated: May 29, 2026

Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing
10:58

Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing

Published on: March 7, 2018

Optimizing Li Plating/Stripping Procedure via Robust Nanospherical Gradient Lithiophilic Decoration for Lithium Metal

Yifan Lin1, Ting Chen2, Menggeng Qian1

  • 1School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China.

ACS Applied Materials & Interfaces
|May 28, 2026
PubMed
Summary

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Researchers developed amorphous carbon-coated ferroferric oxide nanospheres with a lithiophilicity gradient. This design promotes uniform lithium deposition, suppressing dendrites and enabling stable, high-performance lithium metal batteries.

Area of Science:

  • Materials Science
  • Electrochemistry
  • Nanotechnology

Background:

  • Lithium metal batteries (LMBs) face challenges from lithium dendrite growth and volume expansion.
  • Existing 3D hosts often suffer from uniform lithiophilicity, causing inefficient lithium deposition and wasted space.

Purpose of the Study:

  • To design and investigate novel nanostructures for uniform lithium deposition in LMBs.
  • To address the limitations of uniform lithiophilicity in 3D host materials.

Main Methods:

  • Synthesis of amorphous carbon-coated ferroferric oxide (Fe3O4@C) nanospheres with a radial lithiophilicity gradient.
  • Electrochemical characterization of half-cells and symmetrical cells using the developed nanostructures.
  • Evaluation of full-cells (LFP) performance.
Keywords:
ferrosoferric oxidelithium affinitylithium dendritelithium platingnanosphere

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Last Updated: May 29, 2026

Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing
10:58

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Published on: March 7, 2018

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Published on: May 22, 2018

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Main Results:

  • Achieved a stable Coulombic efficiency of 97.17% at 1 mAh cm-2 in half-cells.
  • Demonstrated long-term cycling stability (>2000 h) in symmetrical cells.
  • LFP full-cells retained 93.4% capacity after 150 cycles at 1 C.

Conclusions:

  • The radial lithiophilicity gradient effectively guides uniform, deep-level lithium deposition.
  • The Fe3O4@C nanospheres suppress dendrite growth and accommodate volume expansion, enhancing battery stability and performance.
  • This approach offers a promising strategy for developing practical and high-performance lithium metal batteries.