Next Materials最新文献_第3页

Synergistic approaches to alleviate issues of Li and S electrodes in solid-state polymer-based lithium-sulfur batteries 缓解固态聚合物基锂硫电池中Li和S电极问题的协同方法

Next Materials

Pub Date : 2026-02-03 DOI: 10.1016/j.nxmate.2026.101681

Mahshid Mohammadifar , Hongyi Gao , Jitti Kasemchainan

Lithium-sulfur batteries (LSBs) have garnered significant attention as a promising alternative to lithium-ion batteries, particularly for stationary energy storage applications, due to their high theoretical specific capacity of 1675 mAh.g⁻¹ and energy density of 2600 Wh.kg⁻¹ . However, the commercialization of LSBs is impeded by critical challenges, including rapid capacity fading, short cycle life, and low-rate capability, primarily attributed to the polysulfide shuttle effect and lithium dendrite growth. To overcome these obstacles, extensive research has been conducted on various strategies, such as the utilization of solid-state electrolytes to prevent polysulfide dissolution and dendrite formation, cathode modifications to enhance polysulfide retention and reaction kinetics, and the development of advanced separators to selectively block polysulfides. Despite these efforts, a comprehensive review focusing on the simultaneous mitigation of both the polysulfide shuttle effect and lithium dendrite growth within the framework of solid-state polymer-based electrolytes is notably absent. This review addresses this gap by providing a thorough analysis of the challenges in LSBs and presenting an integrated approach that combines advanced electrolyte and cathode materials. Specifically, we highlight the use of polyethylene oxide (PEO) electrolytes reinforced with biodegradable cellulose fillers, which demonstrate enhanced mechanical properties, effective dendrite suppression, and reduced polysulfide diffusion. Furthermore, we discuss emerging cathode designs that incorporate catalytic materials, Lewis acid-base sites and polar adsorbents to accelerate redox reactions and immobilize polysulfides. By integrating insights from recent studies, this work offers a comprehensive overview of the current advancements in LSB technology and identifies key research directions for achieving high-performance, safe, and sustainable lithium-sulfur batteries.

锂硫电池（lsb）由于其高达1675毫安时的理论比容量，作为锂离子电池的一种有前景的替代品，特别是在固定式储能应用中，已经引起了广泛的关注。g⁻¹ ，能量密度2600 Wh.kg⁻¹ 。然而，LSBs的商业化受到一些关键挑战的阻碍，包括容量衰减快、循环寿命短和低倍率能力，主要归因于多硫化物穿梭效应和锂枝晶生长。为了克服这些障碍，人们对各种策略进行了广泛的研究，例如利用固态电解质来防止多硫化物溶解和枝晶形成，阴极改性来增强多硫化物的保留和反应动力学，以及开发先进的分离器来选择性地阻挡多硫化物。尽管做出了这些努力，但在固态聚合物电解质的框架内，对同时缓解多硫化物穿梭效应和锂枝晶生长的全面审查显然是缺乏的。本综述通过对lsb面临的挑战进行全面分析，并提出一种结合先进电解质和阴极材料的综合方法，解决了这一差距。具体来说，我们强调使用可生物降解纤维素填料增强的聚氧化物（PEO）电解质，其具有增强的机械性能，有效抑制枝晶，减少多硫化物扩散。此外，我们讨论了新兴的阴极设计，包括催化材料，刘易斯酸碱位点和极性吸附剂，以加速氧化还原反应和固定多硫化物。通过整合最新研究的见解，本工作全面概述了LSB技术的当前进展，并确定了实现高性能、安全和可持续锂硫电池的关键研究方向。

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引用次数: 0

Microstructure and mechanical properties of low-cost Nb521 alloy fabricated by hot isostatic pressing 热等静压制备低成本Nb521合金的组织与力学性能

Next Materials

Pub Date : 2026-02-03 DOI: 10.1016/j.nxmate.2026.101678

S.Y. Tang , N.B. Zhang , Z.Z. Cui , L.M. Chen , L.R. Xiao , X.J. Zhao , T.Q. Deng , Y.X. Jiang

Low-cost Nb521 alloy (Nb-5W-2Mo-1Zr) was fabricated by hot isostatic pressing (HIP) at four temperatures (1220°C, 1300°C, 1380°C, and 1460°C) using waste niobium alloys as raw materials. The specific source of waste niobium alloy is niobium alloy scraps produced by machining NbW5–2 alloy. Microstructure and mechanical properties of the low-cost Nb521 alloy were investigated. The results demonstrated that the matrix of Nb521 alloy is mainly composed of α-Nb, and a small number of precipitates such as ZrO and ZrO₂ can be observed. The bimodal grain size phenomenon was observed in the low-cost Nb521 alloy, which played a major role in the strengthening of the alloy. As the HIP temperature increased from 1220°C to 1460°C, the average grain size of low-cost Nb521 alloy coarsened from 5.1 μm to 9.6 μm. Low-grade prior particle boundaries (PPBs), enriched in Zr and O, were identified, which significantly reduces plasticity, leading to a brittle fracture mode. The room-temperature tensile strength and elongation of low-cost Nb521 alloy exceed 510 MPa and 15 %, respectively. The mechanical properties of low-cost Nb521 alloy reach the requirements of use, which means the purpose of recycling niobium resources has been successfully achieved.

以废铌合金为原料，在1220℃、1300℃、1380℃、1460℃4种温度下，采用热等静压（HIP）法制备了低成本Nb521合金（Nb-5W-2Mo-1Zr）。废铌合金的具体来源是加工NbW5-2合金产生的铌合金边角料。研究了低成本Nb521合金的显微组织和力学性能。结果表明：Nb521合金基体主要由α-Nb组成，并有少量ZrO、ZrO2等析出相；在低成本的Nb521合金中发现了双峰晶粒现象，这对合金的强化起主要作用。随着加热温度从1220℃升高到1460℃，低成本Nb521合金的平均晶粒尺寸从5.1 μm粗化到9.6 μm。发现了富含Zr和O的低品位先验颗粒边界（PPBs），这显著降低了塑性，导致脆性断裂模式。低成本Nb521合金的室温抗拉强度和延伸率分别超过510 MPa和15 %。低成本Nb521合金的力学性能达到了使用要求，成功实现了铌资源循环利用的目的。

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引用次数: 0

Nitrogen-doped graphene quantum dots for ultrasensitive electrochemical detection of Cu²⁺ ions 氮掺杂石墨烯量子点用于Cu 2 +离子的超灵敏电化学检测

Next Materials

Pub Date : 2026-01-31 DOI: 10.1016/j.nxmate.2026.101686

Ahmad Dehghanzadeh , Fatemeh Ahour , Esmaeil Habibi

The rational design of highly active and sustainable electrode materials is crucial for next-generation electrochemical monitoring systems. Herein, nitrogen-doped graphene quantum dots (N-GQDs) are introduced as an efficient sensing nanointerface for ultrasensitive Cu²⁺ detection. The N-GQDs were synthesized via a green, one-pot hydrothermal method and electrochemically deposited onto a glassy carbon electrode, ensuring strong interfacial coupling. Nitrogen doping modulates the graphene electronic structure, generating Lewis-basic sites that enhance Cu²⁺ adsorption and interfacial electron transfer. The stripping current of Cu²⁺ was evaluated using differential pulse anodic stripping voltammetry (DPASV) following electrochemical preconcentration. Under optimized conditions, the sensor exhibits high sensitivity with a low detection limit of 0.3 pM and a wide linear range from 1 pM to 10 μM. Excellent selectivity, stability, and reproducibility were achieved, and successful analysis of tap and river water samples with satisfactory recoveries confirms the practical applicability of the proposed platform for environmental monitoring. This study highlights N-GQDs as a scalable, sustainable, and functionally tunable electrode modifier for advanced electrochemical sensing applications.

合理设计高活性和可持续的电极材料对下一代电化学监测系统至关重要。本文引入氮掺杂石墨烯量子点（N-GQDs）作为超灵敏Cu 2 +检测的高效传感纳米界面。N-GQDs通过绿色一锅水热法合成，并电化学沉积在玻碳电极上，确保了强界面耦合。氮掺杂调节了石墨烯的电子结构，产生了lewis碱基，增强了Cu 2 +的吸附和界面电子转移。电化学预富集后，采用差分脉冲阳极溶出伏安法（DPASV）评价Cu 2 +的溶出电流。在优化条件下，传感器具有较高的灵敏度，检测限低至0.3 pM，线性范围为1 pM ~ 10 μM。该方法具有良好的选择性、稳定性和重复性，对自来水和河水样品进行了成功的分析，回收率令人满意，证实了该平台在环境监测中的实际适用性。这项研究强调了N-GQDs作为一种可扩展、可持续和功能可调的电极修饰剂，可用于先进的电化学传感应用。

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引用次数: 0

Sustainable β-cyclodextrin functionalized porous adsorbent for the selective elimination of cationic dyes from wastewater 可持续β-环糊精功能化多孔吸附剂对废水中阳离子染料的选择性去除

Next Materials

Pub Date : 2026-01-31 DOI: 10.1016/j.nxmate.2026.101672

Monark Bhatt , Miraj Patel , Sonal Thakore

The development of sustainable and efficient adsorbents for wastewater treatment is of great importance in addressing environmental pollution caused by synthetic dyes. In this study, a porous organic polymer (BMQ) was synthesized via crosslinking of β-cyclodextrin (β-CD) with the natural polyphenol, quercetin. The BMQ polymer was characterized by solid state NMR, PXRD, FT-IR, BET, SEM and TGA, which confirmed the formation of a porous, multifunctional framework with abundant active sites. Batch adsorption experiments revealed that BMQ exhibits remarkable selectivity toward cationic dyes, achieving > 95 % adsorption of crystal violet (CV) and rhodamine B (RhB), while depicting < 5 % adsorption for Alizarin Red S (ARS) and < 23.6 % for Fast Sulphon Black F (FSB) under optimized conditions. Adsorption equilibrium data were best described by the Langmuir isotherm, yielding maximum adsorption capacities (Q_max) of 234.08 mg/g and 255.02 mg/g at 323 K for CV and RhB, respectively. Kinetic studies indicated that the pseudo-second-order (PSO) model provided the best fit. Thermodynamic analyses confirmed that the adsorption process is endothermic and spontaneous. Furthermore, BMQ demonstrated excellent recyclability, retaining high adsorption efficiency (>81.5 %) over five successive cycles. These findings highlight the potential of BMQ as a robust, high-capacity, and reusable adsorbent for the efficient removal of toxic cationic dyes from contaminated water, contributing to sustainable water purification strategies.

开发可持续高效的废水处理吸附剂对解决合成染料对环境的污染具有重要意义。本研究通过β-环糊精（β-CD）与天然多酚槲皮素交联，合成了多孔有机聚合物（BMQ）。采用固体NMR、PXRD、FT-IR、BET、SEM和TGA等手段对BMQ聚合物进行了表征，证实了BMQ聚合物形成了具有丰富活性位点的多孔多功能骨架。批量吸附实验表明，BMQ对阳离子染料具有显著的选择性，对结晶紫（CV）和罗丹明B （RhB）的吸附率为>； 95 %，对Alizarin Red S （ARS）的吸附率为<； 5 %，对Fast sulon Black F （FSB）的吸附率为<； 23.6 %。Langmuir等温线可以很好地描述吸附平衡数据，在323 K下，CV和RhB的最大吸附量（Qmax）分别为234.08 mg/g和255.02 mg/g。动力学研究表明，伪二阶（PSO）模型拟合效果最好。热力学分析证实吸附过程是吸热自发的。此外，BMQ表现出优异的可回收性，在连续五次循环中保持较高的吸附效率（>81.5 %）。这些发现强调了BMQ作为一种强大的、高容量的、可重复使用的吸附剂的潜力，可以有效地去除污染水中的有毒阳离子染料，为可持续的水净化策略做出贡献。

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引用次数: 0

PVDF composites reinforced by dispersed Al2O3 particles for thermally and mechanically stable separators in lithium-ion battery 分散Al2O3颗粒增强PVDF复合材料用于锂离子电池中热稳定和机械稳定的隔膜

Next Materials

Pub Date : 2026-01-30 DOI: 10.1016/j.nxmate.2026.101676

M. Sabri , Nguyen Thi Bich Ngoc , Utkarsh Kumar , Ade Irwan , Suprianto , Fadly Ahmad Kurniawan Nasution , Muhammad Amir Yusuf Harahap , Muhammad Gilang Husni Lubis , Trung Phan Nghia , Adri Huda , Ha Minh Ngoc , Van-Duong Dao , Le Minh Thang , Reisya Ichwani

The performances and safety of lithium-ion batteries (LIBs) strongly depend on the integrity of the separators, that prevent immediate contact between cathodes and anodes in battery. To enhance the stability of lithium-ion batteries at high-temperature, incorporating inorganic materials such as Al₂O₃ into polymer composites is advisable for separators applications. Here, we fabricated polyvinylidene fluoride (PVDF) composite membranes reinforced with alumina (Al₂O₃) in nanopowder (PVDF/Al₂O₃) and colloidal form (PVDF/c-Al₂O₃) via phase inversion. The results show that colloidal Al₂O₃ particles were evenly distributed within the PVDF membranes compared to the PVDF/Al₂O₃ composites, which led to minimal shrinkage up to 200 °C, high ionic conductivity (4.0 × 10⁻³ S cm⁻¹), and improved mechanical strength. Significant strengthening and the strain rate sensitivity coefficients on mechanical properties of the resulted composites were also determined. Batteries assembled with the PVDF/c-Al₂O₃ composites as separators demonstrated stable capacity retention of 96.8 % after 70 charge-discharge cycles at 0.2 C. These findings suggest that PVDF/c-Al₂O₃ composites are promising thermally and mechanically durable separators for advanced lithium-ion battery applications.

锂离子电池（lib）的性能和安全性在很大程度上取决于隔膜的完整性，它可以防止电池中阴极和阳极之间的直接接触。为了提高锂离子电池在高温下的稳定性，最好在聚合物复合材料中加入Al₂O₃等无机材料。在这里，我们通过相转化制备了纳米粉末（PVDF/Al₂O₃）和胶体形式（PVDF/c-Al₂O₃）的氧化铝（Al₂O₃）增强的聚偏氟乙烯（PVDF）复合膜。结果表明，与PVDF/Al₂O₃复合材料相比，胶体Al₂O₃颗粒均匀地分布在PVDF膜内，这导致最小的收缩达到200 °C，高离子电导率（4.0 × 10⁻³S cm），并且提高了机械强度。实验还确定了复合材料的显著强化和应变率对力学性能的敏感系数。用PVDF/ C - al₂O₃复合材料作为隔膜组装的电池在0.2 ℃下进行70次充放电循环后，容量保持率稳定在96.8% %。这些发现表明，PVDF/c-Al₂O₃复合材料是先进锂离子电池应用中有前途的热耐用和机械耐用的分离器。

{"title":"PVDF composites reinforced by dispersed Al2O3 particles for thermally and mechanically stable separators in lithium-ion battery","authors":"M. Sabri , Nguyen Thi Bich Ngoc , Utkarsh Kumar , Ade Irwan , Suprianto , Fadly Ahmad Kurniawan Nasution , Muhammad Amir Yusuf Harahap , Muhammad Gilang Husni Lubis , Trung Phan Nghia , Adri Huda , Ha Minh Ngoc , Van-Duong Dao , Le Minh Thang , Reisya Ichwani","doi":"10.1016/j.nxmate.2026.101676","DOIUrl":"10.1016/j.nxmate.2026.101676","url":null,"abstract":"<div><div>The performances and safety of lithium-ion batteries (LIBs) strongly depend on the integrity of the separators, that prevent immediate contact between cathodes and anodes in battery. To enhance the stability of lithium-ion batteries at high-temperature, incorporating inorganic materials such as Al₂O₃ into polymer composites is advisable for separators applications. Here, we fabricated polyvinylidene fluoride (PVDF) composite membranes reinforced with alumina (Al₂O₃) in nanopowder (PVDF/Al₂O₃) and colloidal form (PVDF/<em>c-</em>Al₂O₃) via phase inversion. The results show that colloidal Al₂O₃ particles were evenly distributed within the PVDF membranes compared to the PVDF/Al₂O₃ composites, which led to minimal shrinkage up to 200 °C, high ionic conductivity (4.0 × 10⁻³ S cm⁻¹), and improved mechanical strength. Significant strengthening and the strain rate sensitivity coefficients on mechanical properties of the resulted composites were also determined. Batteries assembled with the PVDF/<em>c-</em>Al₂O₃ composites as separators demonstrated stable capacity retention of 96.8 % after 70 charge-discharge cycles at 0.2 C. These findings suggest that PVDF/<em>c-</em>Al₂O₃ composites are promising thermally and mechanically durable separators for advanced lithium-ion battery applications.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"11 ","pages":"Article 101676"},"PeriodicalIF":0.0,"publicationDate":"2026-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146079127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Multi-addition on nano-encapsulated fullerene derivatives bearing one functional group: Impact of the initial moiety 含一个官能团的纳米封装富勒烯衍生物的多加成反应：初始部分的影响

Next Materials

Pub Date : 2026-01-30 DOI: 10.1016/j.nxmate.2026.101612

Anna Pantelia , Tània Pèlachs , Clara Sabrià , Carles Fuertes-Espinosa , Leandros P. Zorba , Georgios Rotas , Ferran Feixas , Xavi Ribas , Georgios C. Vougioukalakis

Fullerene multi-adducts have drawn significant research interest due to their remarkable properties, which often surpass those of mono-adducts across various applications. However, achieving regioselective synthesis of these multi-adducts remains challenging. Notably, the regioselective multi-functionalization of a malonate cyclopropane fullerene monoadduct has already been demonstrated, yielding a single tetra-addition pattern through a supramolecular mask strategy. In this study, we explore how the nature of the existing functional groups influences the Bingel multi-addition reaction of diethyl bromomalonate on different mono-functionalized fullerenes. To investigate this, we synthesized fullerene derivatives bearing either long, flexible chains, or a rigid dibenzodioxin moiety via the corresponding Diels–Alder reaction of o-dibromomethyl arenes with C₆₀. These derivatives were then encapsulated within a supramolecular cage and subjected to multi-functionalization conditions. We monitored the reaction’s progress and final products using high-resolution mass spectrometry (HRMS), UV-Vis, and ¹H-NMR spectroscopy. These studies show that derivatives bearing different initial functionalities exhibit distinct multi-functionalization outcomes. We provide a detailed rationalization of the experimental observations.

富勒烯多加合物由于其优异的性能，在各种应用中往往优于单加合物，引起了人们极大的研究兴趣。然而，实现这些多加合物的区域选择性合成仍然具有挑战性。值得注意的是，丙二酸环丙烷富勒烯单加合物的区域选择性多功能化已经被证明，通过超分子掩膜策略产生单一的四加成模式。在本研究中，我们探讨了现有官能团的性质如何影响溴丙酸二乙酯在不同单官能团富勒烯上的宾格尔多加成反应。为了研究这一点，我们通过邻二溴甲基芳烃与C60对应的diols - alder反应合成了含长柔性链或刚性二苯并二氮杂环的富勒烯衍生物。然后将这些衍生物封装在超分子笼中并进行多功能化处理。我们使用高分辨率质谱（HRMS）， UV-Vis和1H-NMR光谱监测反应的进展和最终产物。这些研究表明，具有不同初始官能团的衍生物具有不同的多功能化结果。我们提供了实验观察结果的详细解释。

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引用次数: 0

Rare earth doped TiO2 thin film: A review on structural, optical, photocatalytic, magnetic, and electrical properties 稀土掺杂TiO2薄膜：结构、光学、光催化、磁性和电性能的研究进展

Next Materials

Pub Date : 2026-01-30 DOI: 10.1016/j.nxmate.2026.101661

Saidul Haque, Md. Masud Khan, Md. Sarowar Jahan, Abdul Ahad, Tasnim Alam Sayedi, Md. Irfan Khan, Tasratur Reaj Neha

Rare earth (RE) doping become an effective strategy for enhancing the multifunctional properties of TiO₂ thin films, making them highly suitable for diverse advanced applications. This review explores how different RE dopants, including Cerium (Ce), Europium (Eu), Neodymium (Nd), Lanthanum (La), Erbium (Er), Lutetium (Lu), Yttrium (Y), and Terbium (Tb), affect the optical, structural, photocatalytic, morphological, and electrical behaviors of TiO₂ thin film. At lower doping concentrations and moderate annealing temperatures, TiO₂ typically maintains its anatase phase. However, specific dopants and higher concentrations can lead to phase transitions or a reduction in crystalline size. RE doping enhances photocatalytic activity by narrowing the band gap, improving charge separation, and increasing surface reactivity. Additionally, dopants influence the film's morphology, promoting porosity, refined grain sizes, and the formation of surface defects. The electrical and magnetic properties of TiO₂ thin films are also significantly modified, with improvements in conductivity, dielectric performance, and ferromagnetic behavior attributed to defect engineering and orbital interactions. RE doping is a powerful strategy for modifying the optical landscape of TiO₂ thin films, unlocking new functionalities through atomic-scale modifications. In this review, we discuss how specific dopants affect optical transmittance, shifts in the absorption edge, and the evolution of the band gap through systematic UV-Vis analysis. For instance, dopants like Eu and Lu significantly enhance optical transparency by reducing light scattering and utilizing Burstein–Moss-driven band filling, while Yb and Er lower the band gap, improving visible-light absorption through defect-mediated electronic restructuring. These dopant-induced phenomena not only redefine photon–semiconductor interactions but also establish design principles for next-generation optoelectronic and photocatalytic, spintronic, and sensing platforms based on TiO₂.

稀土（RE）掺杂是提高tio2薄膜多功能性能的有效策略，使其非常适合于各种高级应用。本文综述了铈（Ce）、铕（Eu）、钕（Nd）、镧（La）、铒（Er）、镥（Lu）、钇(Y)和铽（Tb）等稀土掺杂剂对tio2薄膜光学、结构、光催化、形态和电学行为的影响。在较低的掺杂浓度和适当的退火温度下，tio2通常保持其锐钛矿相。然而，特定的掺杂剂和较高的浓度会导致相变或晶体尺寸的减小。稀土掺杂通过缩小带隙、改善电荷分离和提高表面反应活性来增强光催化活性。此外，掺杂剂影响薄膜的形态，促进孔隙度、细化晶粒尺寸和表面缺陷的形成。由于缺陷工程和轨道相互作用，tio2薄膜的电导率、介电性能和铁磁性能也得到了显著改善。稀土掺杂是一种强有力的策略来改变tio2薄膜的光学景观，通过原子尺度的修饰解锁新的功能。在这篇综述中，我们通过系统的UV-Vis分析讨论了特定掺杂剂如何影响光学透过率、吸收边的位移和带隙的演变。例如，Eu和Lu等掺杂剂通过减少光散射和利用burstein - moss驱动的能带填充来显著提高光学透明度，而Yb和Er通过缺陷介导的电子重组来降低带隙，提高可见光吸收。这些掺杂诱导的现象不仅重新定义了光子-半导体相互作用，而且为下一代基于tio2的光电和光催化、自旋电子和传感平台建立了设计原则。

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引用次数: 0

Ether-based electrolytes for next-generation metal batteries: A nascent frontier in high-energy storage — A review 用于下一代金属电池的乙醚基电解质：高能存储的新兴前沿-综述

Next Materials

Pub Date : 2026-01-30 DOI: 10.1016/j.nxmate.2026.101648

Sodiq Abiodun Kareem , Olajesu Favor Olanrewaju , Justus Uchenna Anaele , Samuel Olumide Falana , Michael Oluwatosin Bodunrin

Utilizing ether-based electrolytes presents a viable approach for addressing the enduring challenges linked to lithium-metal batteries (LMBs), especially concerning solid-electrolyte interphase (SEI) stabilization and enhancement. By employing a comprehensive methodology involving detailed analysis of SEI formation kinetics, strategic modifications to the anode, and customized electrolyte compositions, we can unlock improved stability, ionic conductivity, and overall superior performance of LMBs. Using in-situ characterization methodologies such as x-ray photoelectron spectroscopy (XPS) is critical for comprehending the complex interplay between electrolyte composition, SEI characteristics, and their consequent effects on the behavior of the full cell. The investigation into innovative surface pre-treatments and electrolyte additives, along with a thorough assessment of their interactions, facilitates the systematic design of SEI layers that enable efficient and reversible lithium cycling. Additionally, thoroughly examining ether-based electrolytes in full-cell configurations, incorporating varied cathode materials and operational parameters is imperative for confirming their long-term cycling stability, safety, efficient charge/discharge processes, and compatibility with high-voltage systems. By amalgamating these research avenues, substantial progress is envisaged in the advancement of next-generation lithium-metal batteries characterized by high energy density, prolonged lifespan, and enhanced safety, thus paving the way for their widespread integration in a myriad of applications spanning from portable electronics to electric automobiles and high charging/discharging energy storage systems. The ongoing exploration of ether-based electrolytes, in conjunction with innovative SEI engineering tactics, signifies a critical stride towards realizing the full potential of this promising energy storage technology.

利用醚基电解质为解决与锂金属电池（lmb）相关的持久挑战提供了一种可行的方法，特别是在固体电解质间相（SEI）的稳定和增强方面。通过采用全面的方法，包括详细分析SEI形成动力学，对阳极进行战略性修改，以及定制电解质成分，我们可以解锁LMBs的稳定性，离子电导率和整体优异性能。使用x射线光电子能谱（XPS）等原位表征方法对于理解电解质成分、SEI特性及其对整个电池行为的影响之间复杂的相互作用至关重要。对创新表面预处理和电解质添加剂的研究，以及对其相互作用的全面评估，有助于SEI层的系统设计，从而实现高效、可逆的锂循环。此外，为了确认其长期循环稳定性、安全性、高效的充放电过程以及与高压系统的兼容性，必须在全电池配置下彻底检查醚基电解质，包括不同的阴极材料和操作参数。通过整合这些研究途径，预计下一代锂金属电池的发展将取得实质性进展，其特点是高能量密度、延长寿命和增强安全性，从而为其在便携式电子产品、电动汽车和高充放电储能系统等众多应用中的广泛集成铺平道路。正在进行的醚基电解质的探索，结合创新的SEI工程策略，标志着实现这一有前途的储能技术的全部潜力的关键一步。

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引用次数: 0

Design and machine learning driven optimization of tunable periodic cross-diamond terahertz metamaterial absorber 可调谐周期交叉金刚石太赫兹超材料吸收器的设计与机器学习驱动优化

Next Materials

Pub Date : 2026-01-30 DOI: 10.1016/j.nxmate.2026.101673

Pujita Bhatt , Prince Jain , Anand Joshi

A tunable absorber is proposed using a periodic cross-diamond (PCD) resonator array integrated with vanadium dioxide (VO₂) for terahertz applications. Electromagnetic simulations shows absorption peaks at 2.83 THz and 8.28 THz, with a full-width at half-maximum of 7.43 THz, corresponding to a relative absorption bandwidth of 126.7%. The absorption mechanism is analyzed through magnetic and electric field distributions along with parametric analyses are conducted to assess the effect on the absorber’s performance. To improve design optimization and reduce computational cost, regression-based machine learning (ML) models K-Nearest Neighbors, XGBoost, and Random Forest are employed to predict absorptivity across intermediate frequencies. The KNN model achieves excellent performance with an R² of 0.9997 and an MAE of 0.0002, reducing the required CST simulations by nearly 50 % and significantly accelerating the EM design process for terahertz applications.

提出了一种利用二氧化钒（VO2）集成的周期交叉金刚石（PCD）谐振器阵列用于太赫兹应用的可调谐吸收器。电磁模拟结果表明，吸收峰分别位于2.83 THz和8.28 THz处，半峰全宽为7.43 THz，相对吸收带宽为126.7%。通过磁场和电场分布分析了吸收机理，并进行了参数分析，评估了对吸收器性能的影响。为了改进设计优化并降低计算成本，采用基于回归的机器学习（ML）模型K-Nearest Neighbors， XGBoost和Random Forest来预测中频的吸收率。KNN模型实现了出色的性能，R2为0.9997，MAE为0.0002，将所需的CST模拟减少了近50% %，并显著加快了太赫兹应用的EM设计过程。

引用次数: 0

Voltammetric determination of lincomycin using a molecularly imprinted sensor based on low-temperature electropolymerized poly(3,4-ethylenedioxythiophene) 低温电聚合聚（3,4-乙烯二氧噻吩）分子印迹传感器伏安法测定林可霉素

Next Materials

Pub Date : 2026-01-30 DOI: 10.1016/j.nxmate.2026.101671

Y.A. Perfilova, M.I. Nazyrov, Y.R. Abdullin, N.S. Umutbaev, L.R. Zagitova, R.A. Zilberg

Rapid and selective determination of lincomycin in complex food matrices is essential for residue monitoring. We present a glassy carbon electrode modified with a molecularly imprinted poly(3,4-ethylenedioxythiophene) (MIP-PEDOT) film, electropolymerized at 10 °C. Fabrication (template/monomer ratio, total monomer level, scan rate, cycle number) and DPV conditions were optimized. The sensor affords a linear response from 0.00195 to 0.50 mM and a limit of detection (LOD) of 0.013 µM. Selectivity tests versus amoxicillin and azithromycin show high selectivity for lincomycin molecule. FTIR confirms the presence of both PEDOT and lincomycin features; SEM documents surface evolution across fabrication steps. Spike–recovery in milk and meat demonstrates practical applicability, with recoveries ∼95–97 % (milk) and ∼92–94 % (meat) and RSD ≤ 9.5 % (n = 10). The MIP-PEDOT/GCE platform combines high selectivity and simple, reagent-lean preparation, supporting its use for rapid screening of lincomycin residues.

快速、选择性地测定复杂食品基质中林可霉素的残留是监测的必要条件。我们提出了一种用分子印迹聚（3,4-乙烯二氧噻吩）（MIP-PEDOT）膜修饰的玻碳电极，在10°C下电聚合。优化了制备工艺（模板/单体比、总单体水平、扫描速率、循环次数）和DPV工艺条件。该传感器的线性响应范围为0.00195至0.50 mM，检测限（LOD）为0.013 µM。对阿莫西林和阿奇霉素的选择性试验表明，林可霉素分子具有较高的选择性。FTIR证实了PEDOT和林可霉素特征的存在；扫描电镜记录了整个制造步骤的表面演变。牛奶和肉类的峰值回收率具有实用性，回收率分别为~ 95-97 %（牛奶）和~ 92-94 %（肉类），RSD≤ 9.5 % （n = 10）。MIP-PEDOT/GCE平台结合了高选择性和简单的试剂精益制备，支持其用于快速筛选林可霉素残留物。

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引用次数: 0