An ammonium acetate-modulated gel electrolyte induces uniform zinc deposition for long-term cycling of zinc-ion hybrid supercapacitors

Chunjiang Jin; Xinglei He; Changwang Pan; Congcong Yang; Wen‐Tong Chen

doi:10.1039/d5nj04436g

December 15, 2025New Journal of Chemistry

An ammonium acetate-modulated gel electrolyte induces uniform zinc deposition for long-term cycling of zinc-ion hybrid supercapacitors

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Key Points

To develop a polyanionic additive-modified hydrogel electrolyte that regulates interfacial chemistry and prevents dendrite growth on zinc anodes.
Incorporated an ammonium acetate polyanionic additive into hydrogel electrolyte matrices.
Evaluated the effect of the modified gel on bulk electrolyte properties and zinc–electrolyte interfacial behavior.
Induced uniform zinc deposition across the anode surface, substantially suppressing harmful dendrite propagation.
Inhibited parasitic interfacial side reactions, resulting in durable long-term cycling performance in zinc-ion hybrid supercapacitors.

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Implication

Experimental study demonstrates suppressed dendrite growth and uniform zinc deposition in zinc-ion hybrid supercapacitors, indicating improved long-term cycling stability.

Abstract

A polyanionic additive strategy integrated with hydrogel matrices is proposed to modulate bulk electrolyte properties and Zn–electrolyte interfacial chemistry, effectively addressing Zn anode issues of dendrite growth and side reactions.

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Cite This Study

Jin et al. (2025) studied this question.

synapsesocial.com/papers/6a6f51c4ce524a4339c34b79 https://doi.org/10.1039/d5nj04436g

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An ammonium acetate-modulated gel electrolyte induces uniform zinc deposition for long-term cycling of zinc-ion hybrid supercapacitors

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

An ammonium acetate-modulated gel electrolyte induces uniform zinc deposition for long-term cycling of zinc-ion hybrid supercapacitors

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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