Advancements in electrode materials for aqueous ammonium-ion batteries

Aqueous ammonium-ion batteries (AAIBs) have emerged as a promising candidate for grid-scale energy storage owing to their intrinsic safety (e.g., dendrite-free and nonflammable), environmental friendliness, and potential for fast charge/discharge capability. Extensive research has been conducted in...

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Bibliographic Details
Main Authors: Zining Li, Liubing Dong
Format: Article
Language:English
Published: Tsinghua University Press 2025-06-01
Series:Energy Materials and Devices
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Online Access:https://www.sciopen.com/article/10.26599/EMD.2025.9370068
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Summary:Aqueous ammonium-ion batteries (AAIBs) have emerged as a promising candidate for grid-scale energy storage owing to their intrinsic safety (e.g., dendrite-free and nonflammable), environmental friendliness, and potential for fast charge/discharge capability. Extensive research has been conducted in recent years to explore high-performance ammonium-ion storage materials and the associated electrochemistry to advance the commercialization of AAIBs. Therefore, it is necessary to review the progress in ammonium-ion storage materials and related electrochemical theories to guide further research on AAIBs. Herein, we systematically summarize the advanced electrode materials for AAIBs by introducing the physicochemical characteristics and ammonium-ion storage behaviors of various electrode materials, such as Prussian blue analogs, organic polymers, and metal oxides, discussing feasible material-design strategies to enhance their ammonium-ion storage performance, and outlining the future development prospects of AAIBs. This review aims to provide valuable insights into the design of advanced electrode materials for high-performance AAIBs.
ISSN:3005-3315
3005-3064