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Plasma-driven electrode architecture engineering: A transformative paradigm for high-efficiency energy storage 等离子体驱动电极结构工程:高效储能的变革范例
IF 22 1区 材料科学
Materials Today Pub Date : 2025-07-18 DOI: 10.1016/j.mattod.2025.07.003
Wenlong Wang , Hangwei Ren , Tongyang Deng , Qingchen Wei , Wenhui Si , Zhitao Wang , Yu En Yan , Wenming Zhang , Hui Ying Yang , Song Chen
{"title":"Plasma-driven electrode architecture engineering: A transformative paradigm for high-efficiency energy storage","authors":"Wenlong Wang ,&nbsp;Hangwei Ren ,&nbsp;Tongyang Deng ,&nbsp;Qingchen Wei ,&nbsp;Wenhui Si ,&nbsp;Zhitao Wang ,&nbsp;Yu En Yan ,&nbsp;Wenming Zhang ,&nbsp;Hui Ying Yang ,&nbsp;Song Chen","doi":"10.1016/j.mattod.2025.07.003","DOIUrl":"10.1016/j.mattod.2025.07.003","url":null,"abstract":"<div><div>Electrochemical energy storage systems have emerged as a critical pillar for the transition towards renewable energy integration due to their high efficiency and operational flexibility. However, their performance advancement is inherently constrained by the structural and interfacial characteristics of energy storage materials. The design of electrode materials and their surface/interface properties directly determine the system’s energy storage capabilities, yet conventional modification strategies struggle to achieve atomic-level precision and multi-dimensional performance optimization. Plasma technology offers a transformative pathway to overcome this bottleneck through nanoscale structural control. This review first provides a concise overview of plasma technology’s fundamental principles and its interaction mechanisms with materials. It then systematically elaborates the innovative applications of plasma technology at various energy storage systems. Finally, the challenges and future development trajectories are systematically presented. This review aims to inspire novel material and structural designs in advanced energy storage systems, paving the way for next-generation high-performance energy storage solutions through plasma-material synergies.</div></div>","PeriodicalId":387,"journal":{"name":"Materials Today","volume":"88 ","pages":"Pages 1043-1065"},"PeriodicalIF":22.0,"publicationDate":"2025-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144841859","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
Origin of enhanced performance when Mn-rich rocksalt cathodes transform to δ-DRX 富锰岩盐阴极向δ-DRX转变时性能增强的原因
IF 22 1区 材料科学
Materials Today Pub Date : 2025-07-17 DOI: 10.1016/j.mattod.2025.06.024
Shashwat Anand , Tara P. Mishra , Peichen Zhong , Yunyeong Choi , KyuJung Jun , Tucker Holstun , Gerbrand Ceder
{"title":"Origin of enhanced performance when Mn-rich rocksalt cathodes transform to δ-DRX","authors":"Shashwat Anand ,&nbsp;Tara P. Mishra ,&nbsp;Peichen Zhong ,&nbsp;Yunyeong Choi ,&nbsp;KyuJung Jun ,&nbsp;Tucker Holstun ,&nbsp;Gerbrand Ceder","doi":"10.1016/j.mattod.2025.06.024","DOIUrl":"10.1016/j.mattod.2025.06.024","url":null,"abstract":"<div><div>Most Mn-rich cathodes are known to undergo phase transformation into structures resembling spinel-like ordering upon electrochemical cycling. Recently, the irreversible transformation of Ti-containing Mn-rich disordered rock-salt cathodes into a phase — named <span><math><mi>δ</mi></math></span> — with nanoscale spinel-like domains has been shown to increase energy density, capacity retention, and rate capability. However, the nature of the boundaries between domains and their relationship with composition and electrochemistry are not well understood. In this work, we discuss how the transformation into the multi-domain structure results in eight variants of Spinel domains, which is crucial for explaining the nanoscale domain formation in the <span><math><mi>δ</mi></math></span>-phase. We study the energetics of crystallographically unique boundaries and the possibility of Li-percolation across them with a fine-tuned CHGNet machine learning interatomic potential. Energetics of <span><math><mrow><mn>16</mn><mi>d</mi></mrow></math></span> vacancies reveal a strong affinity to segregate to the boundaries, thereby opening Li-pathways at the boundary to enhance long-range Li-percolation in the <span><math><mi>δ</mi></math></span> structure. Defect calculations of the relatively low-mobility Ti show how it can influence the extent of Spinel ordering, domain morphology and size significantly; leading to guidelines for engineering electrochemical performance through changes in composition.</div></div>","PeriodicalId":387,"journal":{"name":"Materials Today","volume":"88 ","pages":"Pages 210-218"},"PeriodicalIF":22.0,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144840735","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
Advancements in multimodal approaches for enhanced wound healing: From chemical to physical strategies 促进伤口愈合的多模式方法的进展:从化学到物理策略
IF 22 1区 材料科学
Materials Today Pub Date : 2025-07-15 DOI: 10.1016/j.mattod.2025.07.009
Bishal Kumar Nahak , Jaba Roy Chowdhury , Manish Kumar Sharma , Arshad Khan , Anindita Ganguly , Uday Kumar Singh , Parag Parashar , Chen-Hsiang Kuan , Nai-Chen Cheng , Zong-Hong Lin
{"title":"Advancements in multimodal approaches for enhanced wound healing: From chemical to physical strategies","authors":"Bishal Kumar Nahak ,&nbsp;Jaba Roy Chowdhury ,&nbsp;Manish Kumar Sharma ,&nbsp;Arshad Khan ,&nbsp;Anindita Ganguly ,&nbsp;Uday Kumar Singh ,&nbsp;Parag Parashar ,&nbsp;Chen-Hsiang Kuan ,&nbsp;Nai-Chen Cheng ,&nbsp;Zong-Hong Lin","doi":"10.1016/j.mattod.2025.07.009","DOIUrl":"10.1016/j.mattod.2025.07.009","url":null,"abstract":"<div><div>Cutaneous injuries, especially chronic wounds are considered as one of the immense healthcare burdens for millions of patients over the worldwide. Persistent inflammation, comorbidities, impaired tissue regeneration and immunosuppression are defining characteristics, which complicate clinical management and highlight the need for innovative solutions in this critical area. However, the formation of biofilm and other polymicrobial interaction to host immunity envision resist the effectiveness of these approaches. Most modern wound care products create an optimal healing environment by removing waste tissue, preventing infections and maintaining a moist wound bed. This is often not enough to re-establish the healing process in chronic wounds. This review aims to systematically examine and understand state-of-the-art advances of physical/chemical cues and multimodal approaches to attain faster skin repair. It highlights the complexity in chronic wound healing process, while identifying limitations in current therapeutic approaches and ways to overcome via using chemical strategies (pH modulation, use of biomaterials and gas-mediated therapies and physical strategies (electrical stimulation, photothermal therapy and mechanotransduction). By clearly defining and analyzing these individual modalities, this present article highlights how their synergistic integration can regulate inflammation, promote angiogenesis, and enhance extracellular matrix remodeling. The scope further extends to discuss the translational potential of such hybrid approaches in clinical settings. Through this multidimensional framework, the review seeks to guide future research and innovation toward more effective and personalized wound healing solutions, ultimately aiming to improve healing outcomes and reduce long-term complications such as scarring.</div></div>","PeriodicalId":387,"journal":{"name":"Materials Today","volume":"88 ","pages":"Pages 1087-1125"},"PeriodicalIF":22.0,"publicationDate":"2025-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144841862","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
A dispersed buffer phase enables mitigated stress toward stable 4.6 V Graphite||NCM811 batteries 分散的缓冲相可以减轻对稳定4.6 V石墨||NCM811电池的应力
IF 22 1区 材料科学
Materials Today Pub Date : 2025-07-14 DOI: 10.1016/j.mattod.2025.07.012
Hong Zhang , Ao Zeng , Zhigang Zhang , Hua He , Yanwu Zhai , Tao He , Zhenbang Xu , Yoshihiro Kuroiwa , Sangwook Kim , Enyue Zhao , Xiaoling Xiao
{"title":"A dispersed buffer phase enables mitigated stress toward stable 4.6 V Graphite||NCM811 batteries","authors":"Hong Zhang ,&nbsp;Ao Zeng ,&nbsp;Zhigang Zhang ,&nbsp;Hua He ,&nbsp;Yanwu Zhai ,&nbsp;Tao He ,&nbsp;Zhenbang Xu ,&nbsp;Yoshihiro Kuroiwa ,&nbsp;Sangwook Kim ,&nbsp;Enyue Zhao ,&nbsp;Xiaoling Xiao","doi":"10.1016/j.mattod.2025.07.012","DOIUrl":"10.1016/j.mattod.2025.07.012","url":null,"abstract":"<div><div><span>High-voltage Ni-rich cathodes, which show high energy density and large cost-effectiveness, hold great promise for power Li-ion batteries. However, the unstable cyclic structure rooted in stress restricts their practical applications. In this work, we propose a strategy using a dispersed Eu</span><sub>2</sub>O<sub>3</sub><span> buffer phase to mitigate the high-voltage cyclic stress. The optimized Ni-rich cathode shows excellent high-voltage thermal stability and practical long-term cycling stability. For the constructed 4.6 V full cell, a superior capacity retention of 92 % after 200 cycles is observed. The enhanced cyclic properties are ascribed to the mitigated stress, as revealed by multi-characterizations such as </span><em>in-situ</em><span> X-ray diffractions and finite element simulation. As expected, the mitigated stress well stabilizes the oxygen lattice and preserves the particle structures. More importantly, the approach is confirmed to be versatile in other high-voltage cathodes. Also, other available elements including La and Dy for the construction of buffer phases are outlooked.</span></div></div>","PeriodicalId":387,"journal":{"name":"Materials Today","volume":"88 ","pages":"Pages 382-392"},"PeriodicalIF":22.0,"publicationDate":"2025-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144841983","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
Development of advanced anodes for solid-state lithium batteries 固态锂电池先进阳极的研制
IF 22 1区 材料科学
Materials Today Pub Date : 2025-07-11 DOI: 10.1016/j.mattod.2025.06.041
Zhenqi Song , Yanjiao Ma , Xinbing Cheng , Zhi Zhu , Yiren Zhong , Jiarui He , Tao Wang , Dinghao Xu , Qianyu Zhang , Kenneth I. Ozoemena , Torsten Brezesinski , Yuan Ma , Stefano Passerini , Yuping Wu
{"title":"Development of advanced anodes for solid-state lithium batteries","authors":"Zhenqi Song ,&nbsp;Yanjiao Ma ,&nbsp;Xinbing Cheng ,&nbsp;Zhi Zhu ,&nbsp;Yiren Zhong ,&nbsp;Jiarui He ,&nbsp;Tao Wang ,&nbsp;Dinghao Xu ,&nbsp;Qianyu Zhang ,&nbsp;Kenneth I. Ozoemena ,&nbsp;Torsten Brezesinski ,&nbsp;Yuan Ma ,&nbsp;Stefano Passerini ,&nbsp;Yuping Wu","doi":"10.1016/j.mattod.2025.06.041","DOIUrl":"10.1016/j.mattod.2025.06.041","url":null,"abstract":"<div><div>Solid-state batteries (SSBs) may offer superior energy density, faster charging kinetics, better safety, and extended lifespan compared to conventional lithium-ion batteries that utilize flammable liquid electrolytes. These advantages position SSBs as a leading candidate for next-generation energy storage technologies, particularly in applications requiring high efficiency and safety, such as electric vehicles and renewable energy systems. At the core of SSB technology is the anode active material (AAM), which plays a crucial role in determining the battery’s energy density, cycling stability, and overall safety. This review systematically summarizes various AAMs employed in solid-state environments, encompassing a diverse range of materials, including metal-, carbon-, and alloy-based systems. Furthermore, it examines recent advancements in AAM design, focusing on innovative optimization strategies that enhance battery performance. By providing a thorough analysis of these materials and the progress made in their development, this review offers valuable insights into the future trends, opportunities, and challenges in the field of high-performance SSBs.</div></div>","PeriodicalId":387,"journal":{"name":"Materials Today","volume":"88 ","pages":"Pages 1005-1027"},"PeriodicalIF":22.0,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144841857","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
Flexible electronics in humanoid five senses for the era of artificial intelligence of things (AIoT) 面向物联网人工智能(AIoT)时代的柔性类人五感电子产品
IF 22 1区 材料科学
Materials Today Pub Date : 2025-07-11 DOI: 10.1016/j.mattod.2025.07.008
Jianxiong Zhu , Bairong Sun , Mingxuan Xi , Yifan Zhan , Bin Zhang , Yali Zhu
{"title":"Flexible electronics in humanoid five senses for the era of artificial intelligence of things (AIoT)","authors":"Jianxiong Zhu ,&nbsp;Bairong Sun ,&nbsp;Mingxuan Xi ,&nbsp;Yifan Zhan ,&nbsp;Bin Zhang ,&nbsp;Yali Zhu","doi":"10.1016/j.mattod.2025.07.008","DOIUrl":"10.1016/j.mattod.2025.07.008","url":null,"abstract":"<div><div><span><span><span><span>The safe and amicable interactions around humans have become a significant area of focus due to the rapid advancements in flexible electronics, artificial intelligence (AI), and the internet of things (IoT). It has been demonstrated that combining artificial intelligence of things (AIoT) with adaptable sensing technology improves data identification, opening the door to the creation of intelligent sensory </span>robotics systems, including </span>humanoid robots<span> that mimic five senses. The integration of flexible sensing technologies with functional materials, mechanisms, and AIoT to develop sophisticated human–machine interaction (HMI) across the five senses is well-discussed to solidify the potential development in flexible electronics. For example, in order to create intelligent sensory systems that can replicate human sensations, the creative structures and functional materials for flexible sensing systems were summarized. In order to show intelligent perception systems improved flexible HMI sensing robotics, this review also examined their applications in a variety of domains in the five senses, including speech, olfactory, gustatory, tactile, visual, and </span></span>auditory perception. In the end, the smarter systems with environmental “self-awareness” AIoT to pave the way for new possibilities in the age of intelligent society highlight the difficulties and potential future developments in creating AI-driven smart flexible </span>sensor systems.</div></div>","PeriodicalId":387,"journal":{"name":"Materials Today","volume":"88 ","pages":"Pages 1066-1086"},"PeriodicalIF":22.0,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144841860","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
Engineering multifunctional conductive carbon-based cathode additives to stabilize high-performance all-solid-state lithium metal batteries 工程多功能导电碳基阴极添加剂稳定高性能全固态锂金属电池
IF 22 1区 材料科学
Materials Today Pub Date : 2025-07-11 DOI: 10.1016/j.mattod.2025.07.007
Ya Chen , Zhifeng Xia , Ling Huang , Lifeng Cui , Xin Gao , Meixuan Niu , Xiao Chen , Deli Zhou , Ziyang Guo , Tengfei Hu , Xiaodong Chen , Ortal Breuer , Miryam Fayena-Greenstein , Duu-Jong Lee , Doron Aurbach , Guoxiu Wang
{"title":"Engineering multifunctional conductive carbon-based cathode additives to stabilize high-performance all-solid-state lithium metal batteries","authors":"Ya Chen ,&nbsp;Zhifeng Xia ,&nbsp;Ling Huang ,&nbsp;Lifeng Cui ,&nbsp;Xin Gao ,&nbsp;Meixuan Niu ,&nbsp;Xiao Chen ,&nbsp;Deli Zhou ,&nbsp;Ziyang Guo ,&nbsp;Tengfei Hu ,&nbsp;Xiaodong Chen ,&nbsp;Ortal Breuer ,&nbsp;Miryam Fayena-Greenstein ,&nbsp;Duu-Jong Lee ,&nbsp;Doron Aurbach ,&nbsp;Guoxiu Wang","doi":"10.1016/j.mattod.2025.07.007","DOIUrl":"10.1016/j.mattod.2025.07.007","url":null,"abstract":"<div><div>Exceptional electrochemical performances of all-solid-state lithium metal batteries (ASSLMBs) can be achieved by effectively inhibiting damaging of reactive oxygen species (ROSs) formed by oxidation of the inevitably present surface groups on the carbon-based conductive agents (CCAs) and upon charging transition metal oxide based cathodes. Herein, we report on the use of highly effective novel CCA additive based on biomass-derived carbonaceous nanomaterials produced from carbonized pollen uniformly coated by nano MoO<sub>2</sub> through a bio-templating method (CP@MoO<sub>2</sub>) in composite high energy cathodes of ASSLMBs. The rational design of this porous nano-composite additive not only makes it difficult for oxygen-containing functional groups to survive on the surface, but also promotes electrocatalytic adsorption and transformation of ROSs within composite cathodes, thus avoiding their detrimental effects. And rapid and homogeneous conductions of Li<sup>+</sup>/e<sup>−</sup> within the composite cathodes are ensured thanks to the use of the CP@MoO<sub>2</sub> additive. As a result, ASSLMBs employing typical LiCoO<sub>2</sub> and promising Li-rich Mn-based oxide cathodes could demonstrate excellent cycling stability retaining 99.9 % of discharge capacity after 500 cycles at 0.2C and display capacity retention of over 87 % after 3000 cycles at 5C with a steady average coulombic efficiency (&gt;99.98 %).</div></div>","PeriodicalId":387,"journal":{"name":"Materials Today","volume":"88 ","pages":"Pages 368-381"},"PeriodicalIF":22.0,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144841982","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
Closed-loop inverse design of high entropy alloys using symbolic regression-oriented optimization 基于符号回归优化的高熵合金闭环反设计
IF 22 1区 材料科学
Materials Today Pub Date : 2025-07-10 DOI: 10.1016/j.mattod.2025.06.033
Shang Zhao , Jinshan Li , Jun Wang , Turab Lookman , Ruihao Yuan
{"title":"Closed-loop inverse design of high entropy alloys using symbolic regression-oriented optimization","authors":"Shang Zhao ,&nbsp;Jinshan Li ,&nbsp;Jun Wang ,&nbsp;Turab Lookman ,&nbsp;Ruihao Yuan","doi":"10.1016/j.mattod.2025.06.033","DOIUrl":"10.1016/j.mattod.2025.06.033","url":null,"abstract":"<div><div><span>Rapidly finding new materials that are distinct to those in existing datasets continues to be a challenge for machine learning-driven approaches. Here, we propose a closed-loop framework to accelerate the inverse design of target materials, with emphasis on the use of symbolic regression-guided optimization. The refractory high entropy alloys are used as a model system to demonstrate the efficacy of the proposed approach. Symbolic regression learns a simple formula between a basic physical descriptor (enthalpy of fusion) and target property (yield strength at 1000 °C), which allows us to devise a new alloy system (V-Ti-Mo-Nb-Zr). The property optimization is enabled by combining heuristic algorithms and an uncertainty-aware utility function to recommend candidates for experiment. With only four iterations, we fabricate 21 alloys, of which 12 exhibit improved specific yield strength and two surpass 110 MPa/(g/cm</span><span><math><msup><mrow></mrow><mrow><mn>3</mn></mrow></msup></math></span>). The gradual rise in density coupled with the quick increase in lattice distortion underpin the enhanced yield strength. This study highlights the effectiveness of symbolic regression-oriented optimization in identifying target materials from complex systems.</div></div>","PeriodicalId":387,"journal":{"name":"Materials Today","volume":"88 ","pages":"Pages 263-271"},"PeriodicalIF":22.0,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144840740","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
Unraveling the pathway towards superionic transport in polymer electrolytes 揭示聚合物电解质中超离子传输的途径
IF 22 1区 材料科学
Materials Today Pub Date : 2025-07-10 DOI: 10.1016/j.mattod.2025.06.043
Ain Uddin , Michelle Lehmann , Harmandeep Singh , Vera Bocharova , Logan T. Kearney , Joshua T. Damron , Yifan Liu , Valentino R. Cooper , Rajeev Kumar , Kenneth S. Schweizer , Alexei P. Sokolov , Tomonori Saito , Catalin Gainaru
{"title":"Unraveling the pathway towards superionic transport in polymer electrolytes","authors":"Ain Uddin ,&nbsp;Michelle Lehmann ,&nbsp;Harmandeep Singh ,&nbsp;Vera Bocharova ,&nbsp;Logan T. Kearney ,&nbsp;Joshua T. Damron ,&nbsp;Yifan Liu ,&nbsp;Valentino R. Cooper ,&nbsp;Rajeev Kumar ,&nbsp;Kenneth S. Schweizer ,&nbsp;Alexei P. Sokolov ,&nbsp;Tomonori Saito ,&nbsp;Catalin Gainaru","doi":"10.1016/j.mattod.2025.06.043","DOIUrl":"10.1016/j.mattod.2025.06.043","url":null,"abstract":"<div><div>Ionic transport in polymers is critical for Li-ion batteries, fuel cells, flow batteries<span><span><span> and many other energy storage and conversion technologies. A significant enhancement of ion conductivity in polymers may be achieved through an increase in the polarity of side chains and their self-organization into specific morphologies, which can potentially act as percolated ionic structures. However, higher polarity increases attractive interactions within a polymer matrix and slows down its segmental dynamics, which conversely hinders ionic transport. To overcome this tradeoff, we designed the functionalization of a Li salt-doped polymer matrix by tailored amounts of zwitterionic (ZI) groups. Our results suggest the emergence of a self-assembled </span>percolation conductivity regime above a specific ZI concentration, in which ion hopping decouples from segmental dynamics by up to ten orders of magnitude. Consequently, in the highly concentrated ZI regime, our polymeric materials exhibit in their glassy state energy barriers for ion hopping similar to, or even smaller than, those reported for superionic ceramics. Our study also reveals that ion dynamics in the poly(zwitterion) with all </span>monomers<span> carrying ZI groups is significantly faster than that of a monomeric ZI compound, although the latter has much faster structural relaxation. This result highlights the crucial role played by the local morphology on the ion transport of polymer electrolytes and opens a new pathway for the design of superionic polymers, significantly expanding the current limited portfolio of solid-state electrolytes for energy applications.</span></span></div></div>","PeriodicalId":387,"journal":{"name":"Materials Today","volume":"88 ","pages":"Pages 322-327"},"PeriodicalIF":22.0,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144840746","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
In-Situ formed Titanium-MXene nanomembrane as ultrathin van-der-Waals lubricant 原位成形钛- mxene纳米膜作为超薄范德华润滑剂
IF 22 1区 材料科学
Materials Today Pub Date : 2025-07-09 DOI: 10.1016/j.mattod.2025.06.044
Yushan Geng , Huan Chen , Shuang Luo , Yun Teng , Quanfeng He , Liping Zhang , Zhibo Zhang , Ziyin Yang , Youyuan Shi , Qing Wang , Jun Yang , Jun Fan , Yong Yang
{"title":"In-Situ formed Titanium-MXene nanomembrane as ultrathin van-der-Waals lubricant","authors":"Yushan Geng ,&nbsp;Huan Chen ,&nbsp;Shuang Luo ,&nbsp;Yun Teng ,&nbsp;Quanfeng He ,&nbsp;Liping Zhang ,&nbsp;Zhibo Zhang ,&nbsp;Ziyin Yang ,&nbsp;Youyuan Shi ,&nbsp;Qing Wang ,&nbsp;Jun Yang ,&nbsp;Jun Fan ,&nbsp;Yong Yang","doi":"10.1016/j.mattod.2025.06.044","DOIUrl":"10.1016/j.mattod.2025.06.044","url":null,"abstract":"<div><div><span><span>High-performance solid lubricants are pivotal in curbing frictional energy consumption and wear-related emissions under high-temperature and high-load conditions. However, under </span>nanoscale tribological contacts, layered two-dimensional materials may lose their incommensurate van der Waals (vdW) interfacial alignment in extreme environments, leading to frictional degradation. Here, we report the scalable fabrication of large-area, cost-effective Ti-MXene hybrid nanomembranes (&lt;50  nm thick), composed of </span><em>in-situ</em> chemically bonded metallic Ti and Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub><span> MXene<span> nanocrystals. Our nanomembranes exhibit outstanding isotropic tribological properties within a temperature range spanning from room-temperature to 573 K under high contact pressures. They demonstrate near-zero wear with a wear rate below 10</span></span><sup>-9</sup> mm<sup>3</sup><span><span>/Nm, and an ultra-low coefficient of friction below 0.01, achieving </span>mesoscale<span> superlubricity even at contact pressures exceeding 10 GPa and elevated temperatures (473–573  K) under atomic force microscopy<span> indentation. These remarkable properties stem from the unique nanostructure<span>, exceptional strength and high ductility of our nanomembranes, along with an </span></span></span></span><em>in-situ</em><span> nano-oxidation and carbon migration initiated by MXene decomposition during wear. </span><em>In-situ</em><span><span><span> experiments and multiscale simulations reveal that the confinement of MXene within the Ti nanocrystals not only imparts self-lubricating behavior but also enhances wear resistance by lowering the energy barrier of the tribochemical protection. Furthermore, these nanomembranes function as ultrathin vdW-enabled solid lubricants<span>, effectively reducing friction and wear on various technologically important engineering materials, such as </span></span>titanium alloy, stainless steel, and </span>polytetrafluoroethylene (PTFE).</span></div></div>","PeriodicalId":387,"journal":{"name":"Materials Today","volume":"88 ","pages":"Pages 328-337"},"PeriodicalIF":22.0,"publicationDate":"2025-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144841978","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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