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This research aims to develop a low-cost, effective electrolyte additive to prevent dendrite growth in zinc-ion batteries.

Cationic Surfactant-Type Electrolyte Additive Enables Three-Dimensional Dendrite-Free Zinc Anode for Stable Zinc-Ion Batteries

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Randomized trial demonstrates stable zinc deposition in zinc-ion batteries with a new additive, suggesting enhanced battery performance.

This research aims to develop a low-cost, effective electrolyte additive to prevent dendrite growth in zinc-ion batteries.
Introduced tetrabutylammonium sulfate (TBA2SO4) as a cationic surfactant-type additive.
Conducted electrochemical characterizations and in situ optical microscopy to analyze zinc deposition.
Performed density functional theory (DFT) calculations to explore the zincophobic repulsion mechanism.
Achieved uniform zinc deposition with a minimum additive amount of 0.029 g L–1 compared to 1 g L–1 for other additives.
Demonstrated excellent cycling performance and dendrite-free morphology across various current densities.
Exhibited stable performance in both symmetric and full cells coupled with α-MnO2.

Bayaguud et al. (2020) studied this question.

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