Achieving reversible Zn chemistry by constructing a built-in internal electric field to dynamically eliminate local charge accumulation

Yang, Xueru; Zhang, Zhaoyu; Zhang, Yufei; Du, Wencheng; Ye, Minghui; Tang, Yongchao; Wen, Zhipeng; Liu, Xiaoqing; Li, Cheng Chao

doi:10.1039/d4ee01313a

Energy Environ. Sci.

2024

DOI: 10.1039/d4ee01313a

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Achieving reversible Zn chemistry by constructing a built-in internal electric field to dynamically eliminate local charge accumulation

Xueru Yang,

Zhaoyu Zhang,

Yufei Zhang

et al.

Abstract: The irreversible chemistry of Zn anode, attributed to dendrite growth and parasitic side reactions, is the major constraint for the practical application of aqueous zinc ion batteries. Herein, polyelectrolyte complexes...

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Cited by 5 publications

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Functional Hydrogels for Aqueous Zinc‐Based Batteries: Progress and Perspectives

Mao,

Li,

Zhang

et al. 2024

Advanced Materials

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Aqueous zinc batteries (AZBs) hold great potential for green grid‐scale energy storage due to their affordability, resource abundance, safety, and environmental friendliness. However, their practical deployment is hindered by challenges related to the electrode, electrolyte, and interface. Functional hydrogels offer a promising solution to address such challenges owing to their broad electrochemical window, tunable structures, and pressure‐responsive mechanical properties. In this review, the key properties that functional hydrogels must possess for advancing AZBs, including mechanical strength, ionic conductivity, swelling behavior, and degradability, from a perspective of the full life cycle of hydrogels in AZBs are summarized. Current modification strategies aimed at enhancing these properties and improving AZB performance are also explored. The challenges and design considerations for integrating functional hydrogels with electrodes and interface are discussed. In the end, the limitations and future directions for hydrogels to bridge the gap between academia and industries for the successful deployment of AZBs are discussed.

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Functional Hydrogels for Aqueous Zinc‐Based Batteries: Progress and Perspectives

Mao,

Li,

Zhang

et al. 2024

Advanced Materials

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Built‐In Electric Field Boost Photocatalytic Degradation of Pollutants in Wastewater

Yu,

Qiao,

Ding

2024

The Chemical Record

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The photocatalysis technique shows significant potential for wastewater degradation; however, the rapid recombination of photogenerated holes and electrons severely limits its photocatalytic efficiency. This situation necessitates the development of effective strategies to tackle these challenges. One well‐documented approach is built‐in electric field engineering in heterojunctions or composites, which has been shown to enhance electron transfer and thereby reduce the recombination of electrons and holes. This strategy has proven highly effective in significantly improving photocatalytic activity for the degradation of pollutants in wastewater. In this context, we summarize recent advancements in built‐in electric field engineering in photocatalysts, highlighting the fundamentals and modifications of this approach, as well as its positive impact on photocatalytic performance in the degradation of wastewater pollutants.

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Built-in electric field guides oxygen evolution electrocatalyst reconstruction

Ni,

Wang,

Jin

et al. 2025

Chem. Commun.

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Achieving reversible Zn chemistry by constructing a built-in internal electric field to dynamically eliminate local charge accumulation

Abstract: The irreversible chemistry of Zn anode, attributed to dendrite growth and parasitic side reactions, is the major constraint for the practical application of aqueous zinc ion batteries. Herein, polyelectrolyte complexes...

Cited by 5 publications

References 57 publications

Functional Hydrogels for Aqueous Zinc‐Based Batteries: Progress and Perspectives

Functional Hydrogels for Aqueous Zinc‐Based Batteries: Progress and Perspectives

Built‐In Electric Field Boost Photocatalytic Degradation of Pollutants in Wastewater

Built-in electric field guides oxygen evolution electrocatalyst reconstruction

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