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Updated: Mar 18, 2026
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Zinc-Sponge Battery Electrodes that Suppress Dendrites
Published on: September 29, 2020
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Decoding the Electrodeposition of Zinc Anode With Dynamic Mixed Nucleation Model for Rechargeable Batteries
Shunyu Yao1, Yang Zhang1, Huichao Lu1
1Department of Chemical Engineering, Shanghai Jiao Tong University, Shanghai, P. R. China.
Advanced Materials (Deerfield Beach, Fla.)
|March 17, 2026
Summary
Researchers developed a new model to understand zinc metal deposition in batteries. This approach enhances zinc plating, significantly improving battery lifespan and preventing dendrite formation for safer, longer-lasting energy storage.
Area of Science:
- Electrochemistry
- Materials Science
- Energy Storage
Background:
- Zinc metal batteries are promising for energy storage but suffer from dendrite formation in organic electrolytes.
- Understanding zinc electrodeposition kinetics is crucial for improving battery cycling life but is often overlooked.
Purpose of the Study:
- To establish a novel mixed nucleation model for classifying zinc electrodeposition behavior.
- To investigate the influence of antimony (Sb) on zinc anode kinetics and deposition morphology.
Main Methods:
- Fitting chronoamperometric curves using the mixed nucleation model under various bias potentials.
- Analyzing the dynamic evolution of anode nucleation modes.
- Characterizing the morphology and crystallographic orientation of deposited zinc.
Main Results:
- The mixed nucleation model accurately classifies anode nucleation modes over time.
- Antimony introduction alters electrochemical kinetics, increasing nucleation sites and promoting uniform progressive nucleation.
- Alloyed zinc exhibits quasi-2D deposition with exposed (002) planes, leading to flat and regular plating.
Conclusions:
- The developed mixed nucleation model offers refined insights into metal anode electrodeposition.
- Antimony alloying significantly improves zinc deposition behavior, enabling dendrite-free plating and extended battery cycling life.
- This work provides a pathway for designing high-performance zinc metal batteries.
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