What question did this study set out to answer?

To develop a direct surface engineering strategy on metallic zinc anodes to eliminate dendrite growth and parasitic side reactions in aqueous zinc-ion batteries.

October 22, 2020Angewandte Chemie International Edition

Direct Self‐Assembly of MXene on Zn Anodes for Dendrite‐Free Aqueous Zinc‐Ion Batteries

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To develop a direct surface engineering strategy on metallic zinc anodes to eliminate dendrite growth and parasitic side reactions in aqueous zinc-ion batteries.
Fabricated an ultrathin, uniform MXene layer directly on metallic zinc anodes using an in situ spontaneous reduction and assembly strategy.
Assessed electrochemical behavior, electric field distribution, and zinc nucleation energetics compared to unmodified bare zinc electrodes.
The MXene coating lowered the zinc nucleation energy barrier and established a uniform electric field distribution through favorable charge redistribution.
The MXene-integrated zinc anode eliminated dendrite growth, substantially reduced voltage hysteresis, and maintained high capacity retention across extended cycling.

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Implication

Experimental study demonstrates direct MXene self-assembly suppresses dendrite growth on zinc anodes, indicating enhanced cycling stability in aqueous zinc-ion batteries.

Cite This Study

Zhang et al. (2020) studied this question.

synapsesocial.com/papers/6a014308831589f3542e0e2e https://doi.org/10.1002/anie.202012322

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Implication

Experimental study demonstrates direct MXene self-assembly suppresses dendrite growth on zinc anodes, indicating enhanced cycling stability in aqueous zinc-ion batteries.

Direct Self‐Assembly of MXene on Zn Anodes for Dendrite‐Free Aqueous Zinc‐Ion Batteries

Key Points

Discussion

Implication

Cite This Study

Direct Self‐Assembly of MXene on Zn Anodes for Dendrite‐Free Aqueous Zinc‐Ion Batteries

Key Points

Discussion

Implication

Cite This Study

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