Customizing the water-scarce, zinc ion-rich Helmholtz plane of a zinc anode for Ah-scale Zn metal batteries

Gao, Guowei; Huo, Xiaomei; Li, Boxin; Bi, Jingxuan; Zhou, Zhenkai; Du, Zhuzhu; Ai, Wei; Huang, Wei

doi:10.1039/d4ee02909g

Energy Environ. Sci.

2024

DOI: 10.1039/d4ee02909g

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Customizing the water-scarce, zinc ion-rich Helmholtz plane of a zinc anode for Ah-scale Zn metal batteries

Guowei Gao,

Xiaomei Huo,

Boxin Li

et al.

Abstract: Reconstructing the Helmholtz plane (HP) on the zinc anode is a fundamental approach to suppress side reactions and dendrites growth, where the key is to redesign the HP to minimize...

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Cited by 7 publications

References 60 publications

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Machine Learning Driven Optimization of Electrolyte for Highly Reversible Zn‐Air Batteries with Superior Long‐Term Cycling Performance

Liu,

Ge,

Song

et al. 2024

Advanced Materials

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Aqueous alkaline Zn‐air batteries (ZABs) have garnered widespread attention due to their high energy density and safety, however, the poor electrochemical reversibility of Zn and low battery round‐trip efficiency strongly limit their further development. The manipulation of an intricate microscopic balance among anode/electrolyte/cathode, to enhance the performance of ZABs, critically relies on the formula of electrolytes. Herein, the Bayesian optimization approach is employed to achieve the effective design of optimal compositions of multicomponent electrolytes, resulting in the remarkable enhancement of ZAB performance. Notably, ethylene glycol has been successfully employed as both electrolyte additive and fuel, playing key roles in changing the reaction pathways of ZABs, especially the storage form of discharge products from ZnO deposition on the anode to Zn2+‐based hybrid particle colloids in the electrolyte. As a result, the as‐obtained novel ZABs can deliver superior battery reversibility and stability (1700 h at 2 mA cm−2 and 1400 h at 20 mA cm−2), greatly improved round‐trip efficiency as high as 76.3%, and even continuous discharge until complete Zn anode depletion. This work has demonstrated enormous potential for long‐term energy storage applications and holds promise for bringing new opportunities to the development of ZABs.

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Machine Learning Driven Optimization of Electrolyte for Highly Reversible Zn‐Air Batteries with Superior Long‐Term Cycling Performance

Liu,

Ge,

Song

et al. 2024

Advanced Materials

View full text Add to dashboard Cite

show abstract

Deformation-adaptive N,P-doped porous carbon nanofibers as a protective interlayer for stable Li metal anodes

Du,

Bi,

Zhou

et al. 2025

Acta Materialia

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Developing a lithiophilic, solvent-phobic dual-functionality film for dendrite-free Li metal anodes

Yang,

Chen,

et al. 2024

Chemical Engineering Journal

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Customizing the water-scarce, zinc ion-rich Helmholtz plane of a zinc anode for Ah-scale Zn metal batteries

Abstract: Reconstructing the Helmholtz plane (HP) on the zinc anode is a fundamental approach to suppress side reactions and dendrites growth, where the key is to redesign the HP to minimize...

Cited by 7 publications

References 60 publications

Machine Learning Driven Optimization of Electrolyte for Highly Reversible Zn‐Air Batteries with Superior Long‐Term Cycling Performance

Machine Learning Driven Optimization of Electrolyte for Highly Reversible Zn‐Air Batteries with Superior Long‐Term Cycling Performance

Deformation-adaptive N,P-doped porous carbon nanofibers as a protective interlayer for stable Li metal anodes

Developing a lithiophilic, solvent-phobic dual-functionality film for dendrite-free Li metal anodes

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