Energy Storage Materials最新文献_第10页

Recent advances and design strategies of eutectic electrolytes for lithium metal batteries 锂金属电池共晶电解质研究进展及设计策略

IF 20.2 1区材料科学

Energy Storage Materials Pub Date : 2025-08-28 DOI: 10.1016/j.ensm.2025.104567

Jiawei Chen , Hong Pan , Fang Wu , Bailing Zhou , Zhiyu Xue , Yifan Wang , Yong Xiang , Fei Li

{"title":"Recent advances and design strategies of eutectic electrolytes for lithium metal batteries","authors":"Jiawei Chen , Hong Pan , Fang Wu , Bailing Zhou , Zhiyu Xue , Yifan Wang , Yong Xiang , Fei Li","doi":"10.1016/j.ensm.2025.104567","DOIUrl":"10.1016/j.ensm.2025.104567","url":null,"abstract":"<div><div>Lithium metal batteries are regarded as the optimal choice for high-energy-density energy storage due to their superior theoretical capacity and low electrochemical potential. Nevertheless, the instability of conventional electrolytes and the complexity of forming a robust solid electrolyte interface (SEI) on lithium metal anodes have hindered the practical development of this technology. Eutectic electrolytes, as a novel class of electrolytes that exhibit environmental friendliness, safety, cost-effectiveness, and electrochemical stability, demonstrate significant potential in advancing lithium metal battery technology. Despite this promise, systematic reviews focusing specifically on the application of eutectic electrolytes in lithium metal batteries remain limited. In this review, we provide a comprehensive summary of the applications of eutectic electrolytes in both liquid and solid forms, with particular attention to the solvation structures of liquid electrolytes and interfacial challenges of solid electrolytes. Furthermore, we analyze the key challenges associated with eutectic electrolytes, summarize current strategies to address these challenges, and provide an outlook. This review is anticipated to offer valuable insights and guidance for the further advancement of deep eutectic electrolytes in lithium metal batteries.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"82 ","pages":"Article 104567"},"PeriodicalIF":20.2,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144911066","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}

引用次数: 0

Bifunctional quaternary quantum dots enabled carrier-oriented-channel and broad-spectrum-energy storage of ZnCuInSe-VO2 heterojunction cathode-based photo-rechargeable zinc-ion batteries 双功能四元量子点使zncu - vo2异质结阴极光可充电锌离子电池的载流子导向通道和广谱能量存储

IF 20.2 1区材料科学

Energy Storage Materials Pub Date : 2025-08-28 DOI: 10.1016/j.ensm.2025.104568

Shuang’ an Liu, Senyang Wang, Mengyu Liu, Xin Li, Ling Li

{"title":"Bifunctional quaternary quantum dots enabled carrier-oriented-channel and broad-spectrum-energy storage of ZnCuInSe-VO2 heterojunction cathode-based photo-rechargeable zinc-ion batteries","authors":"Shuang’ an Liu, Senyang Wang, Mengyu Liu, Xin Li, Ling Li","doi":"10.1016/j.ensm.2025.104568","DOIUrl":"10.1016/j.ensm.2025.104568","url":null,"abstract":"<div><div>Safe, spontaneous and efficient photo-rechargeable zinc-ion batteries (photo-ZIBs) are at the forefront of solar energy storage. However, the limited absorption of only a fraction of visible wavelengths yet greatly restricts the photoelectric conversion efficiency (PCE) and capacity. Herein, a noteworthy combination of quantum dot light absorption and zinc ion storage is reported to achieve broad-spectrum utilization of photo-ZIBs based on ZnCuInSe QDs/VO<sub>2</sub> (QDVO) cathode. With an absorption edge ∼1100 nm, ZnCuInSe QDs as light absorption range extender, significantly compensate the lack of VO<sub>2</sub> (<550 nm) and greatly expand the number of photo-carriers. Moreover, the heterostructure between ZnCuInSe QDs and VO<sub>2</sub> introduces a second-order potential well, which accelerates the carrier transfer and enhances the photo-charging spontaneity. Under standard sunlight (100 mW/cm<sup>2</sup>), QDVO-based photo-ZIBs achieved a capacity light gain of 47.2 % and a specific discharge capacity of 438.5 mAh/g (0.2 A/g), much higher than 24.3 % and 361.1 mAh/g of VO<sub>2</sub>. Finally, a net photo-charging PCE of 0.21 % (AM1.5) is achieved, providing a new exploration for broader spectrum storage of solar energy.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"82 ","pages":"Article 104568"},"PeriodicalIF":20.2,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144916180","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}

引用次数: 0

Crystal field–driven local structure engineering enables high-voltage redox and structural durability in polyanion cathode for sodium-ion batteries 晶体场驱动局部结构工程实现钠离子电池聚阴离子阴极的高压氧化还原和结构耐久性

IF 20.2 1区材料科学

Energy Storage Materials Pub Date : 2025-08-27 DOI: 10.1016/j.ensm.2025.104558

Fan Li , Shuoshuo Cheng , Zhiyu Song , Miaorui Yang , Gwangeon Oh , Shiyu Li , Jang-Yeon Hwang , Ying Bai

{"title":"Crystal field–driven local structure engineering enables high-voltage redox and structural durability in polyanion cathode for sodium-ion batteries","authors":"Fan Li , Shuoshuo Cheng , Zhiyu Song , Miaorui Yang , Gwangeon Oh , Shiyu Li , Jang-Yeon Hwang , Ying Bai","doi":"10.1016/j.ensm.2025.104558","DOIUrl":"10.1016/j.ensm.2025.104558","url":null,"abstract":"<div><div>The (Na Super Ionic Conductor) NASICON-type Na<sub>4</sub>MnCr(PO<sub>4</sub>)<sub>3</sub> (NMCP) cathode, while attractive for its high operating voltage, faces critical challenges including sluggish electron transport, unstable cycling behavior, Cr redox inactivity, and structural deterioration. To address these issues, a Ti-substituted derivative, Na<sub>3.55</sub>Mn<sub>0.85</sub>Cr<sub>0.85</sub>Ti<sub>0.3</sub>(PO<sub>4</sub>)<sub>3</sub> (NMCTP), was developed through strategic cation engineering. The partial replacement of Mn and Cr with Ti optimizes the local transition metal coordination environment, activating Cr redox reactions, reinforcing structural integrity, and enhancing both electronic conductivity and Na<sup>+</sup> transport kinetics. As a result, NMCTP delivers a high-rate capacity and long-term stability, achieving 82.2 mAh <em>g</em><sup>−1</sup> at 10 C with 80.5 % capacity retention after 2000 cycles. Even under ultrafast cycling at 50 C, it maintains a capacity of 40.7 mAh g⁻<sup>1</sup>. <em>In-situ</em> X-ray analysis reveals a hybrid Na<sup>+</sup> storage mechanism involving solid-solution and biphasic transitions with only 5.6 % volume change, underscoring the structural robustness of the material. when paired with a hard carbon (HC) anode, the NMCTP//HC full cell delivers a discharge capacity of 131.2 mAh <em>g</em><sup>−1</sup> at 80 mA <em>g</em><sup>−1</sup> and achieves a high energy density of 403.7 Wh kg<sup>−1</sup> (based on cathode mass). This study demonstrates the efficacy of targeted cation substitution in optimizing polyanionic frameworks and provides a viable route toward high-energy, long-life sodium-ion batteries.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"82 ","pages":"Article 104558"},"PeriodicalIF":20.2,"publicationDate":"2025-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144911073","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}

引用次数: 0

Monitoring the long-term performance of organic redox flow battery by a distribution of relaxation time analysis 利用弛豫时间分布法监测有机氧化还原液流电池的长期性能

IF 20.2 1区材料科学

Energy Storage Materials Pub Date : 2025-08-27 DOI: 10.1016/j.ensm.2025.104564

Chao Zeng , Soowhan Kim , Litao Yan , Jie Bao , Yucheng Fu , Yunxiang Chen , Zhijie Xu , Wei Wang , Vince Sprenkle

{"title":"Monitoring the long-term performance of organic redox flow battery by a distribution of relaxation time analysis","authors":"Chao Zeng , Soowhan Kim , Litao Yan , Jie Bao , Yucheng Fu , Yunxiang Chen , Zhijie Xu , Wei Wang , Vince Sprenkle","doi":"10.1016/j.ensm.2025.104564","DOIUrl":"10.1016/j.ensm.2025.104564","url":null,"abstract":"<div><div>Organic redox flow batteries hold great promise as an energy storage technology, but their intricate chemistry makes them vulnerable to various degradation mechanisms. Monitoring this degradation is essential for identifying the limiting processes within the cells. Electrochemical impedance spectroscopy (EIS) offers a straightforward, in-situ method for measuring the total resistance of an operating cell. However, to pinpoint the limiting processes during long-term cycling, EIS data must be complemented by other techniques. Distribution of relaxation time (DRT) analysis is particularly effective for differentiating resistance components. In this study, we perform a comprehensive analysis of resistance evolution and the separation of anode and cathode contributions during long-term cycling of a full cell employing 7,8-dihydroxyphenazine-2-sulfonic acid (DHPS) as the anolyte. Separate analyses of the DHPS anolyte and ferri-/ferrocyanide catholyte were conducted using a symmetric cell setup. The relaxation times derived from symmetric cells facilitate the identification of peaks in the DRT profiles from the full cell. Importantly, the DRT profiles indicate a correlation between the evolution of charge transfer resistance and the chemical degradation of DHPS. The methodologies and results outlined in this study offer significant insights for developing diagnostic tools applicable to other types of redox flow batteries.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"82 ","pages":"Article 104564"},"PeriodicalIF":20.2,"publicationDate":"2025-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144911069","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}

引用次数: 0

Bio-based supramolecular dual-network gel electrolytes with synergistic mechanical robustness and ionic conductivity for high-performance flexible Zn-ion batteries 高性能柔性锌离子电池用具有协同机械稳健性和离子电导率的生物基超分子双网络凝胶电解质

IF 20.2 1区材料科学

Energy Storage Materials Pub Date : 2025-08-26 DOI: 10.1016/j.ensm.2025.104563

Zihao Zheng , Wanke Cheng , Xiaona Li , Jinsong Sun , Wen Wang , Shi Liu , Dawei Zhao , Haipeng Yu

{"title":"Bio-based supramolecular dual-network gel electrolytes with synergistic mechanical robustness and ionic conductivity for high-performance flexible Zn-ion batteries","authors":"Zihao Zheng , Wanke Cheng , Xiaona Li , Jinsong Sun , Wen Wang , Shi Liu , Dawei Zhao , Haipeng Yu","doi":"10.1016/j.ensm.2025.104563","DOIUrl":"10.1016/j.ensm.2025.104563","url":null,"abstract":"<div><div>Gel electrolytes offer attractive potential for flexible Zn-ion batteries due to their safety, structural flexibility, and ionic conductivity. However, challenges persist in achieving sufficient mechanical strength to prevent dendrite growth, ensuring efficient ion transport, and mitigating side reactions between electrodes and sustainable gel electrolytes. We present a supramolecular gel electrolyte (CS-gel) developed through ethanol-induced molecular assembly of cellulose and silk fibroin. The CS-gel features interwoven hydrogen-bond (H-bond) networks and β-sheet domains, achieving an ionic conductivity of 14.39 mS cm⁻¹ and a tensile strength of 1.14 MPa. The polar groups (-OH, -NH<sub>2</sub>, -COOH) within the gel interact dynamically with Zn<sup>2+</sup> ions, reorganizing solvation structures to inhibit dendrite formation and reduce parasitic reactions. In a flexible Zn//MnO₂ battery, the CS-gel retains 97.67 % capacity after 1500 cycles at a discharge rate of 0.5 A g⁻¹, demonstrating stable long-term cycling performance under bending and at temperatures as low as -20 °C. This supramolecular design, integrating natural biopolymers, presents an effective and sustainable approach to high-performance flexible energy storage devices.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"82 ","pages":"Article 104563"},"PeriodicalIF":20.2,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144901404","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}

引用次数: 0

Non-thermal external field-driven synthesis and performance modulation of high-density hydrogen storage materials 高密度储氢材料的非热外场驱动合成及性能调制

IF 20.2 1区材料科学

Energy Storage Materials Pub Date : 2025-08-26 DOI: 10.1016/j.ensm.2025.104562

Panpan Zhou , Lingchao Zhang , Yutong Liu , Qianwen Zhou , Jiaguang Zheng , Xin Zhang , Xiulin Fan , Xuezhang Xiao , Lixin Chen

{"title":"Non-thermal external field-driven synthesis and performance modulation of high-density hydrogen storage materials","authors":"Panpan Zhou , Lingchao Zhang , Yutong Liu , Qianwen Zhou , Jiaguang Zheng , Xin Zhang , Xiulin Fan , Xuezhang Xiao , Lixin Chen","doi":"10.1016/j.ensm.2025.104562","DOIUrl":"10.1016/j.ensm.2025.104562","url":null,"abstract":"<div><div>Solid-state hydrogen storage materials (HSM) have attracted significant attention due to their high volumetric hydrogen density and enhanced safety. However, de/hydrogenation reactions processes of HSM are primarily governed by thermal energy, where heat exchange serves as the fundamental driving force for the reversible hydrogen storage. While conventional thermal driving methods are effective for certain metal hydrides, they demonstrate limited driving efficiency when applied to lightweight high-density HSMs with strong chemical bonds and high stability, such as Mg-based HSMs, complex HSMs and lightweight metal hydride. In contrast, emerging non-thermal energy input strategies like external field-driven techniques (e.g., plasma, ultrasonic, microwave, light, and electric fields) have demonstrated innovative potential beyond traditional thermal activation for HSMs. These advanced techniques not only facilitate material synthesis but also significantly reduce operating temperatures for de-/hydrogenation while enhancing reaction kinetics, thereby allowing precise control over hydrogen storage behaviors. This review systematically summarizes recent advances in non-thermal input external field-driven material synthesis and de-/hydrogenation behavior modulation of high-density HSMs, provides in-depth discussions on the underlying enhancement mechanisms, respective advantages/limitations, material/functional applicability, and near-term feasibility as well as long-term implications of these non-thermal external fields, and outlines future optimization strategies and potential scalable applications for next-generation HSMs.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"82 ","pages":"Article 104562"},"PeriodicalIF":20.2,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144901407","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}

引用次数: 0

Emerging organic polymers as electrode materials for sodium-ion batteries: Mechanism, characteristics, challenges, and strategies 新兴有机聚合物作为钠离子电池电极材料：机理、特性、挑战和策略

IF 20.2 1区材料科学

Energy Storage Materials Pub Date : 2025-08-25 DOI: 10.1016/j.ensm.2025.104557

Junjie Mo , Xijun Xu , Jihua Tan , Weizhen Fan , Jingwei Zhao , Jun Liu , Yanping Huo

{"title":"Emerging organic polymers as electrode materials for sodium-ion batteries: Mechanism, characteristics, challenges, and strategies","authors":"Junjie Mo , Xijun Xu , Jihua Tan , Weizhen Fan , Jingwei Zhao , Jun Liu , Yanping Huo","doi":"10.1016/j.ensm.2025.104557","DOIUrl":"10.1016/j.ensm.2025.104557","url":null,"abstract":"<div><div>Sodium-ion batteries (SIBs) have attracted worldwide attention due to their abundant reserves of sodium resources and low cost. Organic polymer materials, characterized by their diverse structures, environmental friendliness, cost-effectiveness, and design flexibility, are considered promising candidates for energy storage applications. Currently, a wide range of organic polymer electrode materials has been utilized across various metal-ion battery systems. However, the limited intrinsic conductivity, cycling stability, and consistency in preparation of materials have hindered their commercial viability in SIBs. This paper reviews recent advancements in the design and synthesis of organic polymer electrode materials specifically for SIBs. It provides an overview of three typical classes of organic polymer electrodes employed in SIBs while summarizing their classification and energy storage mechanisms. Additionally, it highlights the latest research developments within this field. Furthermore, this review discusses the challenges encountered in practical applications as well as strategies aimed at enhancing the battery’s performance. Finally, it summarizes key challenges and future development trends regarding organic polymers as electrode materials for electrochemical energy storage devices. It is hoped to offer meaningful guidance for advancing organic electrodes for SIBs.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"82 ","pages":"Article 104557"},"PeriodicalIF":20.2,"publicationDate":"2025-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144901406","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}

引用次数: 0

Enhancing high-rate plateau capacity of hard carbons by TiC-mediated closed pore formation and heterojunction engineering for sodium-ion batteries 通过tic介导的闭孔形成和异质结工程提高钠离子电池硬碳的高速率平台容量

IF 20.2 1区材料科学

Energy Storage Materials Pub Date : 2025-08-25 DOI: 10.1016/j.ensm.2025.104559

Guilin Feng , Xiaohong Liu , Chunliu Xu , Rongman Sun , Jingye Wang , Xu Yang , Yongbin Wang , Zihan Wang , Yanxiao Chen , Weiqing Yang

{"title":"Enhancing high-rate plateau capacity of hard carbons by TiC-mediated closed pore formation and heterojunction engineering for sodium-ion batteries","authors":"Guilin Feng , Xiaohong Liu , Chunliu Xu , Rongman Sun , Jingye Wang , Xu Yang , Yongbin Wang , Zihan Wang , Yanxiao Chen , Weiqing Yang","doi":"10.1016/j.ensm.2025.104559","DOIUrl":"10.1016/j.ensm.2025.104559","url":null,"abstract":"<div><div>Fast-charging sodium-ion batteries with high energy density require hard carbons anodes that combine high low-voltage plateau capacity and rapid Na<sup>+</sup> kinetics. However, simultaneously achieving these properties remains a critical challenging. Here, we utilize MXene as a structural modulator to create the closed-pore structure of hard carbons, enhancing Na storage while constructing TiC/C heterojunctions to accelerate Na<sup>+</sup> transport. Unlike pure glucose-derived carbon, the MXene/TiC-embedded precursor induces curved graphite lattices and a moderately increased graphitization degree during carbonization, promoting formation of closed pores for dense sodium cluster storage. The resulting glucose/MXene-derived hard carbons (GM-HCs) exhibits a high reversible capacity of 381.4 mAh g<sup>-1</sup> at 0.1C. Moreover, GM-HCs demonstrate remarkable low-voltage plateau capacity at high rate, retaining 124.9 mAh g<sup>-1</sup> at 20C. Density functional theory (DFT) calculations confirm reduced Na<sup>+</sup> diffusion barriers and enhanced electronic conductivity in hard carbons with TiC/C heterojunctions. When paired with a Na<sub>3</sub>V<sub>2</sub>O<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>F cathode, GM-HCs-based full cells deliver high energy density and stable cycling, retaining 95.2 % capacity after 400 cycles. This work presents a dual strategy by creation of closed pores and construction of heterojunctions to simultaneously enhance plateau capacity and Na<sup>+</sup> migration, advancing the development of high-performance sodium-ion battery anodes.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"82 ","pages":"Article 104559"},"PeriodicalIF":20.2,"publicationDate":"2025-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144901409","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}

引用次数: 0

Perfecting oxygen stoichiometry in cathode materials: A defect-control strategy for stable sodium-ion batteries 完善正极材料中的氧化学计量：稳定钠离子电池的缺陷控制策略

IF 20.2 1区材料科学

Energy Storage Materials Pub Date : 2025-08-25 DOI: 10.1016/j.ensm.2025.104556

Leyi Zhang, Yingbin Hong, Jialin Xu, Shutao Lin, Zhongchong Lin, Lituo Zheng, Hu-Rong Yao, Zhensheng Hong

{"title":"Perfecting oxygen stoichiometry in cathode materials: A defect-control strategy for stable sodium-ion batteries","authors":"Leyi Zhang, Yingbin Hong, Jialin Xu, Shutao Lin, Zhongchong Lin, Lituo Zheng, Hu-Rong Yao, Zhensheng Hong","doi":"10.1016/j.ensm.2025.104556","DOIUrl":"10.1016/j.ensm.2025.104556","url":null,"abstract":"<div><div>The practical application of NaNi<sub>1/3</sub>Mn<sub>1/3</sub>Fe<sub>1/3</sub>O<sub>2</sub> (NMF) is limited by irreversible phase transitions that lead to structural degradation, as well as pronounced air sensitivity. To address these challenges, we propose a protocol leveraging low-temperature annealing to engineer a defect-suppressed cathode architecture with tailored oxygen vacancies (OVs), as validated using neutron powder diffraction (NPD) and a series of characterizations. This approach remarkably improved lattice oxygen framework stability and promotes ionic charge redistribution within the crystal lattice. Additionally, the engineered material displays enhanced covalency of transition metal-oxygen bonds (TM-O) and optimized ionic transport pathways. As a result, modified material exhibits enhanced electrochemical stability, such as more stable cyclability, and smaller voltage hysteresis, etc. <em>In situ</em> and <em>ex situ</em> characterizations (e.g. XRD, XPS, SEM) reveal a highly ordered lattice, correlating with a robust and resilient crystal structure. This work establishes a defect-engineering paradigm to design high-stability layered oxide cathodes through modifying intrinsic OVs, addressing both bulk structural integrity and interfacial compatibility challenges in sodium-ion battery systems. Furthermore, the simple prolonged low-temperature annealing strategy not only enhances material performance in a cost-effective way but also promotes the commercial application of sodium-ion batteries.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"82 ","pages":"Article 104556"},"PeriodicalIF":20.2,"publicationDate":"2025-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144901256","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}

引用次数: 0

Dual engineering of porous networks and surface chemistry for high-performance lithium-ion battery separators 高性能锂离子电池隔膜多孔网络和表面化学的双重工程

IF 20.2 1区材料科学

Energy Storage Materials Pub Date : 2025-08-25 DOI: 10.1016/j.ensm.2025.104561

Jin-Cheol Kim , Seok-Kyu Cho , Myoungsoo Shin , Woo-Jin Song

{"title":"Dual engineering of porous networks and surface chemistry for high-performance lithium-ion battery separators","authors":"Jin-Cheol Kim , Seok-Kyu Cho , Myoungsoo Shin , Woo-Jin Song","doi":"10.1016/j.ensm.2025.104561","DOIUrl":"10.1016/j.ensm.2025.104561","url":null,"abstract":"<div><div>The optimal design of separators is critical for high-performance lithium-ion batteries (LIBs), particularly under fast-charging and high-temperature conditions. Herein, a dual-engineering strategy, integrating porosity control through nonsolvent-induced phase separation (NIPS) and polydopamine (PDA) surface modification, is proposed as an effective approach for separator optimization. The resulting PDA-coated poly(vinylidene fluoride-co-hexafluoropropylene) (PVdF-HFP), referred to as PHS73@PD, has a uniformly distributed porous structure that provides abundant Li-ion transport pathways and promotes homogeneous ion diffusion. The introduction of PDA enhances the thermal stability (no shrinkage up to 140 °C) and improves the ionic conductivity by 13.5 % compared to uncoated PHS73 due to its polar functional groups and strong electrolyte affinity. As a result, in NCM622||graphite full cells, PHS73@PD maintains a stable rate performance even at a high current density of 5 C and fully recovers at 1 C. It also retains 82 % of its capacity after 1000 cycles, indicating improved long-term cycling stability. This study demonstrates that the dual-engineering strategy of NIPS structural control and PDA surface modification can be effectively applied for the development of separators for high-performance LIBs.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"82 ","pages":"Article 104561"},"PeriodicalIF":20.2,"publicationDate":"2025-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144901410","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}

引用次数: 0