Pub Date : 2026-02-04DOI: 10.1016/j.ensm.2026.104962
Hui-Ming Cheng
{"title":"A Farewell Message from the Founding Editor-in-Chief, Prof. Hui-Ming Cheng","authors":"Hui-Ming Cheng","doi":"10.1016/j.ensm.2026.104962","DOIUrl":"https://doi.org/10.1016/j.ensm.2026.104962","url":null,"abstract":"","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"240 1","pages":""},"PeriodicalIF":20.4,"publicationDate":"2026-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146135326","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-02-04DOI: 10.1016/j.ensm.2026.104966
Wenting Li, Diquan Xu, Rui Wang, Mohsen Shakouri, Huan Pang
The burgeoning field of wearable flexible electronics has generated a pressing need for electrochemical energy storage (EES) systems that combine high electrochemical performance with excellent mechanical compliance. Additive manufacturing (AM), also known as 3D printing, has emerged as a transformative approach, offering unparalleled advantages in structural design freedom, material efficiency, and device customization. These capabilities make AM a disruptive technology for the production of next-generation flexible batteries. This article systematically reviews recent advancements in 3D-printed flexible energy storage devices, providing a comprehensive overview of the most widely used AM techniques in the field of flexible electronics. Each technique is rigorously evaluated in terms of its technological distinctiveness and suitability for specific applications. Furthermore, the review discusses material selection strategies for 3D-printed flexible batteries, with critical assessment of advanced functional materials for use in electrodes, separators, and electrolytes. Finally, based on persistent challenges—such as the limited synergy between materials and processes, and the trade-off between printing resolution and efficiency—future research directions are proposed.
{"title":"Tailored Material Design and Scalable Integration of 3D-Printed Flexible Batteries for Wearable Electronics: A Comprehensive Review","authors":"Wenting Li, Diquan Xu, Rui Wang, Mohsen Shakouri, Huan Pang","doi":"10.1016/j.ensm.2026.104966","DOIUrl":"https://doi.org/10.1016/j.ensm.2026.104966","url":null,"abstract":"The burgeoning field of wearable flexible electronics has generated a pressing need for electrochemical energy storage (EES) systems that combine high electrochemical performance with excellent mechanical compliance. Additive manufacturing (AM), also known as 3D printing, has emerged as a transformative approach, offering unparalleled advantages in structural design freedom, material efficiency, and device customization. These capabilities make AM a disruptive technology for the production of next-generation flexible batteries. This article systematically reviews recent advancements in 3D-printed flexible energy storage devices, providing a comprehensive overview of the most widely used AM techniques in the field of flexible electronics. Each technique is rigorously evaluated in terms of its technological distinctiveness and suitability for specific applications. Furthermore, the review discusses material selection strategies for 3D-printed flexible batteries, with critical assessment of advanced functional materials for use in electrodes, separators, and electrolytes. Finally, based on persistent challenges—such as the limited synergy between materials and processes, and the trade-off between printing resolution and efficiency—future research directions are proposed.","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"288 1","pages":""},"PeriodicalIF":20.4,"publicationDate":"2026-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146122279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
O3-type manganese-based anionic redox cathode materials, characterized by high initial sodium content, high capacity, and low cost, are promising candidates for advanced sodium-ion batteries. However, achieving controllable oxygen anionic redox remains challenging due to complex synthesis and a limited understanding of irreversible degradation during cycling. This work introduces a series of O3-type Na1-xLi1/3-xMgxMn2/3O2 (NLMMO, x = 0, 1/12, and 1/6) cathodes exhibiting anionic redox activity, synthesized via precise control over sodium stoichiometry, calcination temperature and atmosphere. Importantly, the partial substitution of magnesium for lithium markedly improves the reversibility of oxygen redox, as evidenced by a significant decrease in oxygen release during charging. Owing to the unique characteristic of these O3-type materials—the absence of phase transitions—the beneficial effect is ascribed to magnesium interlayers migration, which kinetically impedes manganese intralayer migration and vacancy clustering. Limiting the excessive formation of Mn3+ for NLMMO-1/6 leads to excellent cycling stability, demonstrating 85.5% capacity retention over 120 cycles in full cells, a significant improvement compared to the 36.5% retention observed without Mg substitution. These insights advance fundamental understanding of synthesizing O3-type anionic redox cathodes and their redox mechanism, guiding the design of next-generation sodium-ion batteries.
o3型锰基阴离子氧化还原正极材料具有初始钠含量高、容量大、成本低等特点，是先进钠离子电池的理想材料。然而，由于复杂的合成和对循环过程中不可逆降解的有限了解，实现可控氧阴离子氧化还原仍然具有挑战性。本文介绍了一系列具有阴离子氧化还原活性的o3型Na1-xLi1/3-xMgxMn2/3O2 （NLMMO, x = 0,1 /12和1/6）阴极，通过精确控制钠化学计量、煅烧温度和气氛合成。重要的是，镁部分取代锂显著提高了氧氧化还原的可逆性，这一点可以从充电过程中氧气释放的显著减少中得到证明。由于这些o3型材料的独特特性——没有相变——镁的层间迁移是有益的，它在动力学上阻碍了锰的层内迁移和空位聚集。限制NLMMO-1/6中Mn3+的过量形成导致了优异的循环稳定性，在满电池中120次循环中显示出85.5%的容量保持率，与没有Mg取代的36.5%的容量保持率相比有显着提高。这些发现促进了对o3型阴离子氧化还原阴极的合成及其氧化还原机制的基本理解，指导了下一代钠离子电池的设计。
{"title":"Frustrated Oxygen Loss Enabled by Magnesium Migration in O3-Type Anionic Redox Cathodes for Sodium-Ion Batteries","authors":"Shaoyu Yang, Pu Yan, Qinzhe Liu, Zhipeng Chen, Yixiao Qiu, Guangsu Tan, Hao Chen, WenChang Hou, Yiyang Qu, Renshu Wang, Bo Zhang, Zhengyan Lun, Kecheng Cao, Xuerong Liu, Chao Xu","doi":"10.1016/j.ensm.2026.104963","DOIUrl":"https://doi.org/10.1016/j.ensm.2026.104963","url":null,"abstract":"O3-type manganese-based anionic redox cathode materials, characterized by high initial sodium content, high capacity, and low cost, are promising candidates for advanced sodium-ion batteries. However, achieving controllable oxygen anionic redox remains challenging due to complex synthesis and a limited understanding of irreversible degradation during cycling. This work introduces a series of O3-type Na<sub>1-x</sub>Li<sub>1/3-x</sub>Mg<sub>x</sub>Mn<sub>2/3</sub>O<sub>2</sub> (NLMMO, x = 0, 1/12, and 1/6) cathodes exhibiting anionic redox activity, synthesized via precise control over sodium stoichiometry, calcination temperature and atmosphere. Importantly, the partial substitution of magnesium for lithium markedly improves the reversibility of oxygen redox, as evidenced by a significant decrease in oxygen release during charging. Owing to the unique characteristic of these O3-type materials—the absence of phase transitions—the beneficial effect is ascribed to magnesium interlayers migration, which kinetically impedes manganese intralayer migration and vacancy clustering. Limiting the excessive formation of Mn<sup>3+</sup> for NLMMO-1/6 leads to excellent cycling stability, demonstrating 85.5% capacity retention over 120 cycles in full cells, a significant improvement compared to the 36.5% retention observed without Mg substitution. These insights advance fundamental understanding of synthesizing O3-type anionic redox cathodes and their redox mechanism, guiding the design of next-generation sodium-ion batteries.","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"302 1","pages":""},"PeriodicalIF":20.4,"publicationDate":"2026-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146122281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-02-03DOI: 10.1016/j.ensm.2026.104959
Water-in-salt (WIS) electrolytes offer high energy density and excellent stability in energy conversion and storage. A precise assessment of their str…
盐包水（WIS）电解质具有高能量密度和优异的能量转换和储存稳定性。对他们能力的精确评估……
{"title":"Localized insight into potential-switched structure and hierarchical transport of water-in-salt electrolyte at electrified interfaces","authors":"","doi":"10.1016/j.ensm.2026.104959","DOIUrl":"https://doi.org/10.1016/j.ensm.2026.104959","url":null,"abstract":"Water-in-salt (WIS) electrolytes offer high energy density and excellent stability in energy conversion and storage. A precise assessment of their str…","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"66 1","pages":""},"PeriodicalIF":20.4,"publicationDate":"2026-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146101521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-02-03DOI: 10.1016/j.ensm.2026.104960
Minhyung Kwon, Seungyun Jeon, Uichan Hwang, Eunji Kwon, Hee-Kang Shin, Seungho Yu, Dong-Ik Kim, Jihyun Hong, Minah Lee
The practical implementation of aqueous Zn-ion batteries (AZIBs) is hindered by the irreversibility of Zn metal anodes, which suffer from heterogeneous electrodeposition coupled with parasitic hydrogen evolution reactions (HER). While substrate engineering is essential to address this issue, the HER activity of substrates and its modulation to achieve homogeneous Zn nucleation and growth have been largely overlooked. Here, we investigate the interplay between HER suppression and Zn deposition behavior by tailoring surface chemistry of Cu current collectors. Specifically, we introduce a deep eutectic solvent (DES) treatment that simultaneously removes native oxides and forms a choline-derived organic nanolayer on Cu surface as an alternative to conventional acid or thermal pretreatments. This unique interface not only inhibits proton reduction but also promotes conformal Cu–Zn alloy formation, thereby enhancing Zn binding and further suppressing HER. Such dynamic surface evolution collectively mitigates insulating byproducts formation and enables dense Zn growth with enlarged grains (>2 μm) and a thickness closely matching that of Zn foil (106%). Consequently, Zn anodes deposited on DES-treated Cu deliver a cumulative capacity of 5.8 Ah cm-2 at 30% depth of discharge (DOD) and retain 2.2 Ah cm-2 even at 50% DOD, highlighting their potential for practical, high-performance AZIBs.
{"title":"Tailoring electrochemical interface to regulate competition between Zn deposition and hydrogen evolution in aqueous rechargeable batteries","authors":"Minhyung Kwon, Seungyun Jeon, Uichan Hwang, Eunji Kwon, Hee-Kang Shin, Seungho Yu, Dong-Ik Kim, Jihyun Hong, Minah Lee","doi":"10.1016/j.ensm.2026.104960","DOIUrl":"https://doi.org/10.1016/j.ensm.2026.104960","url":null,"abstract":"The practical implementation of aqueous Zn-ion batteries (AZIBs) is hindered by the irreversibility of Zn metal anodes, which suffer from heterogeneous electrodeposition coupled with parasitic hydrogen evolution reactions (HER). While substrate engineering is essential to address this issue, the HER activity of substrates and its modulation to achieve homogeneous Zn nucleation and growth have been largely overlooked. Here, we investigate the interplay between HER suppression and Zn deposition behavior by tailoring surface chemistry of Cu current collectors. Specifically, we introduce a deep eutectic solvent (DES) treatment that simultaneously removes native oxides and forms a choline-derived organic nanolayer on Cu surface as an alternative to conventional acid or thermal pretreatments. This unique interface not only inhibits proton reduction but also promotes conformal Cu–Zn alloy formation, thereby enhancing Zn binding and further suppressing HER. Such dynamic surface evolution collectively mitigates insulating byproducts formation and enables dense Zn growth with enlarged grains (>2 μm) and a thickness closely matching that of Zn foil (106%). Consequently, Zn anodes deposited on DES-treated Cu deliver a cumulative capacity of 5.8 Ah cm<sup>-2</sup> at 30% depth of discharge (DOD) and retain 2.2 Ah cm<sup>-2</sup> even at 50% DOD, highlighting their potential for practical, high-performance AZIBs.","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"41 1","pages":""},"PeriodicalIF":20.4,"publicationDate":"2026-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146101520","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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