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Photo‐Induced Dynamic Catalytic Domains for High‐Performance Lithium‐Sulfur Batteries 高性能锂硫电池的光诱导动态催化域
IF 29.4 1区 材料科学
Advanced Materials Pub Date : 2025-06-27 DOI: 10.1002/adma.202506839
Yuhao Liu, Zhengqiang Hu, Feng Wu, Li Li, Renjie Chen
{"title":"Photo‐Induced Dynamic Catalytic Domains for High‐Performance Lithium‐Sulfur Batteries","authors":"Yuhao Liu, Zhengqiang Hu, Feng Wu, Li Li, Renjie Chen","doi":"10.1002/adma.202506839","DOIUrl":"https://doi.org/10.1002/adma.202506839","url":null,"abstract":"Lithium‐sulfur batteries (LSBs) face significant challenges due to sluggish reaction kinetics and the polysulfide shuttle effect. Here, a light‐induced anchoring strategy is employed to construct Co/Cu diatomic catalysts (DACs) on C<jats:sub>3</jats:sub>N<jats:sub>4</jats:sub>, introducing dual active sites with strong polysulfide adsorption and bifunctional catalytic activity. Upon light excitation, the synergistic Co–Cu interaction induces local electronic redistribution, which triggers broader electronic rearrangement and directional charge carrier migration. This process generates dynamic catalytic domains with enhanced polysulfide adsorption and catalytic conversion capability. These domains not only promote effective photogenerated carrier separation but also play a pivotal role in accelerating sulfur redox kinetics and regulating Li₂S deposition behavior. As a result, the Co/Cu‐C₃N₄ cathode exhibits exceptional electrochemical performance, achieving 1200 stable cycles at 8 C with a capacity decay of 0.025% per cycle. Remarkably, under lean electrolyte conditions (E/S = 4 µL mg⁻¹) and ultra‐high sulfur loading (14.73 mg cm⁻<jats:sup>2</jats:sup>), the battery maintains excellent cycling stability. This work offers a conceptual framework for photo‐induced catalytic microenvironment design and highlights the potential of spatiotemporal electronic modulation for next‐generation photo‐assisted energy storage systems.","PeriodicalId":114,"journal":{"name":"Advanced Materials","volume":"65 1","pages":""},"PeriodicalIF":29.4,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144500493","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‐Site Activation for Efficient Acidic CO2 Electroreduction at Industrial‐Level Current Densities 工业级电流密度下高效酸性CO2电还原的双位点激活
IF 29.4 1区 材料科学
Advanced Materials Pub Date : 2025-06-27 DOI: 10.1002/adma.202503772
Shanshan Wu, Shuhui Li, Zhuoyue Hou, Yang Hu, Zhuang Zhang, Jiamin Zhu, Shaowen Xu, Rui Wang, Nan Zhang, Li An, Pinxian Xi, Chun‐Hua Yan
{"title":"Dual‐Site Activation for Efficient Acidic CO2 Electroreduction at Industrial‐Level Current Densities","authors":"Shanshan Wu, Shuhui Li, Zhuoyue Hou, Yang Hu, Zhuang Zhang, Jiamin Zhu, Shaowen Xu, Rui Wang, Nan Zhang, Li An, Pinxian Xi, Chun‐Hua Yan","doi":"10.1002/adma.202503772","DOIUrl":"https://doi.org/10.1002/adma.202503772","url":null,"abstract":"Electroreduction of CO<jats:sub>2</jats:sub> to formic acid in acidic media offers a promising approach for value‐added CO<jats:sub>2</jats:sub> utilization. However, achieving high selectivity for formic acid in acidic electrolytes remains challenging due to the competitive hydrogen evolution reaction (HER), particularly at industrially relevant current densities. Herein, a charge redistribution modulation strategy is demonstrated by constructing the CuS /SnS<jats:sub>2</jats:sub> Mott–Schottky catalyst to enhance formic acid selectivity. Experiments and calculation results reveal the broadening of Sn orbitals and reduced orbital symmetry of Sn orbitals contribute to enhanced CO<jats:sub>2</jats:sub> adsorption, while the modulated Cu sites with a stronger Lewis acid character stabilize <jats:sup>*</jats:sup>OCHO intermediates more effectively. This enables dual‐site activation for efficient CO<jats:sub>2</jats:sub> electroreduction into formic acid synthesis. Consequently, the optimized CuS/SnS<jats:sub>2</jats:sub> catalysts achieve a maximum formic acid Faradaic efficiency (FE) of 99% in acidic electrolytes and maintain selectivity above 80% at a current density of 1 A cm<jats:sup>−2</jats:sup>, significantly surpassing the performance of CuS and SnS<jats:sub>2</jats:sub> alone. Moreover, the excellent selectivity across pH‐universal electrolytes demonstrates that dual‐site activation is a promising strategy for designing highly efficient CO<jats:sub>2</jats:sub> reduction reaction catalysts.","PeriodicalId":114,"journal":{"name":"Advanced Materials","volume":"186 1","pages":""},"PeriodicalIF":29.4,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144500508","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
Fast‐Charging MXene/TiN‐Confined In2Se3 Anode with Dual Hydrogen‐Bonding Synergy for High‐Capacity Ammonium‐Ion Storage 具有双氢键协同作用的快速充电MXene/TiN约束In2Se3阳极用于高容量铵离子存储
IF 29.4 1区 材料科学
Advanced Materials Pub Date : 2025-06-27 DOI: 10.1002/adma.202509246
Ayesha Irfan, Inaam Ullah, Mai Li, Xiang Peng, Salamat Ali, Muhammad Zubair Nawaz, Ping Zhong, Renchao Che
{"title":"Fast‐Charging MXene/TiN‐Confined In2Se3 Anode with Dual Hydrogen‐Bonding Synergy for High‐Capacity Ammonium‐Ion Storage","authors":"Ayesha Irfan, Inaam Ullah, Mai Li, Xiang Peng, Salamat Ali, Muhammad Zubair Nawaz, Ping Zhong, Renchao Che","doi":"10.1002/adma.202509246","DOIUrl":"https://doi.org/10.1002/adma.202509246","url":null,"abstract":"Aqueous ammonium‐ion (NH<jats:sub>4</jats:sub><jats:sup>+</jats:sup>) based hybrid pseudocapacitors (NH‐HPCs) integrate sustainability and cost‐effectiveness, yet their cycling stability is critically challenged by sluggish NH<jats:sub>4</jats:sub><jats:sup>+</jats:sup> transport, particularly in MXene‐based anodes. Herein, NH<jats:sub>3</jats:sub>‐induced N‐functionalization fabricates a MXene/TiN conductive substrate, enabling confined rotary hydrothermal growth of indium selenide (In<jats:sub>2</jats:sub>Se<jats:sub>3</jats:sub>) nanoparticles into an In<jats:sub>2</jats:sub>Se<jats:sub>3</jats:sub>@MXene/TiN heterostructure. Directional Ti─N bonds suppress MXene stacking and In<jats:sub>2</jats:sub>Se<jats:sub>3</jats:sub> agglomeration while synergizing charge‐redistribution‐induced lattice strain with hierarchical 2–5 nm pore channels, enabling ultrafast NH<jats:sub>4</jats:sub><jats:sup>+</jats:sup> migration. Density functional theory (DFT) calculations confirm electron‐deficient Ti sites and dual Se···H─N/Ti─N···H hydrogen bonds enhance NH<jats:sub>4</jats:sub><jats:sup>+</jats:sup> adsorption, where intensified charge polarization and optimized orbital hybridization boost ion storage kinetics and structural stability. The heterostructure anode delivers 1776.1 F g<jats:sup>−1</jats:sup> at 1 A g<jats:sup>−1</jats:sup> with 98.84% capacitance retention over 6000 cycles. In full‐cell configuration (In<jats:sub>2</jats:sub>Se<jats:sub>3</jats:sub>@MXene/TiN//AC), the NH‐HPC achieves 85.45 Wh kg<jats:sup>−1</jats:sup> at 800 W kg<jats:sup>−1</jats:sup>—powering a commercial mini‐fan for &gt;4 min after 30 s charging. A modular pouch‐cell version reaches 98.2 Wh kg<jats:sup>−1</jats:sup> (800 W kg<jats:sup>−1</jats:sup>), demonstrating exceptional stability during bending/flame tests while operating light emitting diodes array (LEDs). This work highlights interfacial charge synergy in confined heterostructures for unprecedented NH<jats:sub>4</jats:sub><jats:sup>+</jats:sup> storage capacity and stability, advancing high‐performance ammonium‐ion energy storage.","PeriodicalId":114,"journal":{"name":"Advanced Materials","volume":"10 1","pages":""},"PeriodicalIF":29.4,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144500665","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
Detachable and Reusable: Reinforced π‐Ion Film for Modular Synaptic Reservoir Computing 可拆卸和可重复使用:用于模块化突触库计算的增强π离子膜
IF 29.4 1区 材料科学
Advanced Materials Pub Date : 2025-06-27 DOI: 10.1002/adma.202506729
Gyu Won Woo, Chang Min Lee, Won Woo Lee, Min Ju Jung, Seung Min Lee, Hye Won Lee, Hocheon Yoo, Yong Hee Kim, Eun Kwang Lee
{"title":"Detachable and Reusable: Reinforced π‐Ion Film for Modular Synaptic Reservoir Computing","authors":"Gyu Won Woo, Chang Min Lee, Won Woo Lee, Min Ju Jung, Seung Min Lee, Hye Won Lee, Hocheon Yoo, Yong Hee Kim, Eun Kwang Lee","doi":"10.1002/adma.202506729","DOIUrl":"https://doi.org/10.1002/adma.202506729","url":null,"abstract":"Organic electrochemical transistors (OECTs) show significant promise for bioelectronics and neuromorphic computing applications due to their low operating voltage, biocompatibility, and ion‐mediated charge transport. However, conventional OECTs with permanently fixed organic semiconductor (OSC) layers lack modularity and reusability for sustainable electronics with e‐waste reduction. Here, a novel reinforced π‐ion film OECT featuring a detachable and reusable OSC layer that creates a unified composite with dielectric and gate components, establishing a new paradigm for modular device architectures is proposed. Through solvent exchange and mesh‐supported gelation, π‐ion film exhibits enhanced mechanical stability, detachability, and superior electrical performance. The OECTs demonstrate remarkable 35‐day air stability, 50‐day storage lifetime, and over 80% performance retention after 600 electrical cycles. Furthermore, the π‐ion film OECTs exhibit synaptic behavior with paired‐pulse facilitation of 167% and long‐term memory retention of 34% maintained synaptic current after 250 s. These characteristics enable reservoir computing applications with a 4‐bit encoding scheme for image recognition, processing 16 × 16 pixelated input patterns, demonstrating reliable state differentiation and stable signal retention. Even at lab‐scale development, reinforced π‐ion film OECTs represent a promising eco‐friendly platform for modular, reusable components in next‐generation neuromorphic computing systems, aligning with electronic waste reduction policies by enabling component reuse.","PeriodicalId":114,"journal":{"name":"Advanced Materials","volume":"56 1","pages":""},"PeriodicalIF":29.4,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144503350","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
Single-Atom Ru Anchored Mesoporous TiO2 Phase-Junction Promotes Photocatalytic Biomass Conversion. 单原子Ru锚定介孔TiO2相结促进光催化生物质转化。
IF 27.4 1区 材料科学
Advanced Materials Pub Date : 2025-06-27 DOI: 10.1002/adma.202510246
Duoxin Shi, Jiaming Zhang, Zheng Qi, Linlin Duan, Ruohan Yu, Qin Yue, Di Meng, Tianke Kang, Linjie Liu, Kun Lan, Wei Li, Dongyuan Zhao, Limin Wu, Yuzhu Ma
{"title":"Single-Atom Ru Anchored Mesoporous TiO<sub>2</sub> Phase-Junction Promotes Photocatalytic Biomass Conversion.","authors":"Duoxin Shi, Jiaming Zhang, Zheng Qi, Linlin Duan, Ruohan Yu, Qin Yue, Di Meng, Tianke Kang, Linjie Liu, Kun Lan, Wei Li, Dongyuan Zhao, Limin Wu, Yuzhu Ma","doi":"10.1002/adma.202510246","DOIUrl":"https://doi.org/10.1002/adma.202510246","url":null,"abstract":"<p><p>Constructing advanced semiconductor nanoreactors is an effective route to boost the efficient photocatalytic conversion of biomasses to high-value-added products. Herein, single-atom anchored flower-like mesoporous TiO<sub>2</sub> nanoreactors with tunable anatase-rutile crystalline phases are prepared via a micelle-interface confined co-assembly strategy (Ru<sub>0.5</sub>/A&R-TNs). This approach not only facilitates the introduction of various monatomic/diatomic (e.g., Ru, Mo, Pd, Pt, etc.) sites but also spontaneously induces the TiO<sub>2</sub> phase transformation from anatase to rutile, achieving precise control of two-phase ratios. The interface of the two phases with abundant oxygen vacancies (O<sub>v</sub>) facilitates the adsorption and activation of 5-hydroxymethylfurfural (HMF), which exhibits a high photocatalytic HMF oxidation to DFF (selectivity of 90.8%). Based on the optimal phase compositions, the doping of Ru single-atom further exhibits a high atom utilization and suitable electronic structure. Therefore, the Ru<sub>0.5</sub>/A&R-TNs achieve the cascade conversion from HMF to 5-formyl-2-furoic acid with a selectivity of 75.8%. This research provides innovative ways for single-atom catalyst synthesis, and the mechanism of synergistic catalytic action may provide new guidance for the photocatalytic conversion of high-value-added products from HMF.</p>","PeriodicalId":114,"journal":{"name":"Advanced Materials","volume":" ","pages":"e2510246"},"PeriodicalIF":27.4,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144504253","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
Tin-Lead-Selenide Nanocrystals for Sensitive Uncooled Mid-Infrared Focal Plane Array Imager with Monolithic Readout Integration. 用于非冷却中红外焦平面阵列成像的单片读出集成锡铅硒化纳米晶体。
IF 27.4 1区 材料科学
Advanced Materials Pub Date : 2025-06-27 DOI: 10.1002/adma.202504225
Yifan Chen, Qi Wei, Shuixian Yang, Tao Zhang, Hongfei Chen, Zhihao Fu, Chao Lu, Zhengyong Liu, Yanxiong Wu, Jingshun Pan, Mingjie Li, Zhaohui Li
{"title":"Tin-Lead-Selenide Nanocrystals for Sensitive Uncooled Mid-Infrared Focal Plane Array Imager with Monolithic Readout Integration.","authors":"Yifan Chen, Qi Wei, Shuixian Yang, Tao Zhang, Hongfei Chen, Zhihao Fu, Chao Lu, Zhengyong Liu, Yanxiong Wu, Jingshun Pan, Mingjie Li, Zhaohui Li","doi":"10.1002/adma.202504225","DOIUrl":"https://doi.org/10.1002/adma.202504225","url":null,"abstract":"<p><p>The mid-infrared focal plane array (FPA) imager has developed over recent decades to become multifunctional, powerful, reliable, miniaturized, and cost-effective. However, the complexity of the refrigerated packaging process (such as dewar flask) and traditional fabrication technology (such as flip-chip) continues to contribute significantly to the high cost of industrial production. Here, a simple, low-cost, and effective type of uncooled mid-infrared FPA imager is reported through the monolithic integration of mid-infrared Pb<sub>1-x</sub>Sn<sub>x</sub>Se nanocrystals (NCs) PIN heterojunction (PbS/Pb<sub>1-x</sub>Sn<sub>x</sub>Se/ZnO) photodetectors and glass-based readout integrated circuits (ROICs). Sn-doping in PbSe NCs not only weakens the internal photocarrier-phonon coupling to reduce thermal noise but also optimizes the energy band structure of the heterojunction to enhance mid-infrared performance. Finally, the PbS/Pb<sub>0.86</sub>Sn<sub>0.14</sub>Se/ZnO heterojunction photodetector demonstrates a dark current (2.7 x 10<sup>-7</sup> A mm<sup>-2</sup> at -0.5 V), a detectivity of 7.46 × 10<sup>9</sup> Jones at a peak wavelength of 4.25 µm, air stability (retaining 96.7% performance at 300 K for 360 days) and the corresponding uncooled mid-infrared FPA (64 × 64 pixels) achieves excellent thermal sensitivity of 133 mK. These results underscore the substantial potential applications of mid-infrared FPA based on the heterojunction, including spectral imaging, gas leak detection, and chemical reagent identification.</p>","PeriodicalId":114,"journal":{"name":"Advanced Materials","volume":" ","pages":"e2504225"},"PeriodicalIF":27.4,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144504256","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
Enhanced Electrical Interfaces in Flexible 2D Material Transistors via Liquid Metal and Ionic Liquid Injection. 通过液态金属和离子液体注入增强柔性二维材料晶体管的电接口。
IF 29.4 1区 材料科学
Advanced Materials Pub Date : 2025-06-26 DOI: 10.1002/adma.202501501
Junjie Xiong,Gaotian Lu,Xinfeng Tan,Ruixiao Liu,Kaizhuo Hu,Zimu Ouyang,Yang Wei,Dan Guo
{"title":"Enhanced Electrical Interfaces in Flexible 2D Material Transistors via Liquid Metal and Ionic Liquid Injection.","authors":"Junjie Xiong,Gaotian Lu,Xinfeng Tan,Ruixiao Liu,Kaizhuo Hu,Zimu Ouyang,Yang Wei,Dan Guo","doi":"10.1002/adma.202501501","DOIUrl":"https://doi.org/10.1002/adma.202501501","url":null,"abstract":"Contact engineering at the semiconductor-electrode and semiconductor-dielectric interfaces is critical to the performance of electronic devices, especially for delicate 2D semiconductors. Here, this study proposes a new paradigm of flexible field-effect transistors featuring solid-liquid hybrid interfaces, in which liquid metal and ionic liquid, confined within microchannels, function as the source/drain electrodes and gate dielectric, respectively. These interfaces provide MoS₂ with undisturbed, atomically smooth electrical contacts, and enable efficient gate control via electric double layers. Benefiting from the inherent softness of liquids and their damage-free processing, Fermi level pinning is significantly mitigated by the liquid metal, achieving a pinning factor |s| = 0.7. Meanwhile, the ionic liquid enables a subthreshold swing of 60.7 mV dec-1, approaching the theoretical thermal limit. Furthermore, our flexible transistors demonstrate multifunctionality as enhanced logic gates, low-voltage inverters, and ultra-high-linearity synaptic devices. This work underscores the promise of liquid-enabled contact strategies for advancing low-power, flexible electronics and soft robotic systems.","PeriodicalId":114,"journal":{"name":"Advanced Materials","volume":"63 1","pages":"e2501501"},"PeriodicalIF":29.4,"publicationDate":"2025-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144488203","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
Semiconducting Pt Structures Stabilized on 2D MoS2 Crystals Enable Ultrafast Hydrogen Evolution. 在二维MoS2晶体上稳定的半导体Pt结构实现了超快析氢。
IF 29.4 1区 材料科学
Advanced Materials Pub Date : 2025-06-26 DOI: 10.1002/adma.202504113
Tamás Ollár,Péter Vancsó,Péter Kun,Antal A Koós,Gergely Dobrik,Ekaterina V Sukhanova,Zakhar I Popov,Miklós Németh,Krisztina Frey,Béla Pécz,Péter Nemes-Incze,Chanyong Hwang,József Sándor Pap,Levente Tapasztó
{"title":"Semiconducting Pt Structures Stabilized on 2D MoS2 Crystals Enable Ultrafast Hydrogen Evolution.","authors":"Tamás Ollár,Péter Vancsó,Péter Kun,Antal A Koós,Gergely Dobrik,Ekaterina V Sukhanova,Zakhar I Popov,Miklós Németh,Krisztina Frey,Béla Pécz,Péter Nemes-Incze,Chanyong Hwang,József Sándor Pap,Levente Tapasztó","doi":"10.1002/adma.202504113","DOIUrl":"https://doi.org/10.1002/adma.202504113","url":null,"abstract":"Metallic platinum is the best and most widely investigated catalyst for hydrogen evolution, yet little is known about Pt in its semiconducting form. Here, it is shown that semiconducting Pt structures with a thickness of only two atomic layers (0.4 nm) can be stabilized on 2D MoS2 crystals. Reducing the thickness of Pt particles below the Fermi wavelength (0.5 nm) opens a sizeable (0.3-0.4 eV) gap in their electronic structure. The resulting electronic structure is qualitatively different from both the metallic bands of larger Pt nanoparticles and the atomic orbitals of Pt single atom catalysts while displaying the highest intrinsic activity among them. Semiconducting Pt bilayers enable H2 production at ten times higher rates (≈1400 H2 s-1 @ η = 100 mV) than Pt single atom catalysts, and match the activity of commercial Pt nanoparticles (Pt /C catalysts) at three orders of magnitude lower Pt loadings.","PeriodicalId":114,"journal":{"name":"Advanced Materials","volume":"17 1","pages":"e2504113"},"PeriodicalIF":29.4,"publicationDate":"2025-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144488200","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
Reversible Phase Transitions of Anionic and Cationic Surfactant Mixtures Drive Shape Morphing Droplets. 阴离子和阳离子表面活性剂混合物的可逆相变驱动形状变形液滴。
IF 29.4 1区 材料科学
Advanced Materials Pub Date : 2025-06-26 DOI: 10.1002/adma.202506100
Bradley D Frank,Pilar Romero,Alberto Concellón,Lukas Zeininger
{"title":"Reversible Phase Transitions of Anionic and Cationic Surfactant Mixtures Drive Shape Morphing Droplets.","authors":"Bradley D Frank,Pilar Romero,Alberto Concellón,Lukas Zeininger","doi":"10.1002/adma.202506100","DOIUrl":"https://doi.org/10.1002/adma.202506100","url":null,"abstract":"Converting chemical signals into mechanical responses is fundamental to biological systems, driving processes such as cellular motility and tissue morphogenesis. Yet, harnessing chemo-mechanical signal conversions in synthetic systems remains a key challenge in energy-dissipative materials design. While droplets can move and interact with their environment reminiscent of active biological matter, chemo-mechanical interactions are limited by the translation of chemical changes into extensive force variations required on small timescales. Droplets naturally adopt spherical shapes to minimize surface-energy and restructuring liquids into non-equilibrium geometries requires mechanisms beyond current stimuli-responsive surfactant systems, which lack the force-amplifying mechanisms needed for transient liquid structuring. Here, a spring-like charging and latch-controlled release mechanism is introduced for actuating droplets. This is based on reversible, light-induced crystal-to-coacervate phase transitions of photo-responsive surfactant assemblies, namely between anionic sodium dodecylsulfate and cationic azobenzene-based surfactants. During phase-transition, reversible partitioning of the surfactants into the oil or aqueous phases of the emulsion transiently induce rapid changes in interfacial tensions, which are up to 900 times greater than those observed for conventional stimuli-responsive surfactant systems. The insights into this novel chemo-mechanical transduction mechanism provide new control over purely liquid systems, paving the way for programmable, hierarchically structured, all-liquid matter acting with physicality.","PeriodicalId":114,"journal":{"name":"Advanced Materials","volume":"54 1","pages":"e2506100"},"PeriodicalIF":29.4,"publicationDate":"2025-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144488202","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 Non-Concentrated Gradient-Solvation Electrolyte Enables a High-Voltage Lithium Metal Battery with 447.6 Wh Kg-1. 一种非浓缩梯度溶剂化电解液实现了447.6 Wh Kg-1的高压锂金属电池。
IF 29.4 1区 材料科学
Advanced Materials Pub Date : 2025-06-26 DOI: 10.1002/adma.202509760
Hao Wang,Dong Yan,Hongyu Liu,Shuai Li,Xiaobin Niu,Chuying Ouyang,Hong Li,Liping Wang
{"title":"A Non-Concentrated Gradient-Solvation Electrolyte Enables a High-Voltage Lithium Metal Battery with 447.6 Wh Kg-1.","authors":"Hao Wang,Dong Yan,Hongyu Liu,Shuai Li,Xiaobin Niu,Chuying Ouyang,Hong Li,Liping Wang","doi":"10.1002/adma.202509760","DOIUrl":"https://doi.org/10.1002/adma.202509760","url":null,"abstract":"High-voltage lithium (Li) metal batteries (LMBs) emerge as a pivotal strategy for achieving high energy density applications. However, the electrolyte instability leading to inferior rate performance and short lifespan remains to be addressed. In this study, a new non-concentrated gradient-solvation electrolyte by solvent polarity discrepancy is developed. A highly donor-capable ether forms the Li⁺-solvated core through strong ion-dipole interactions, while a weakly donating carbonate creates the shell structure. Such a gradient-solvation structure enables the electrolyte with a high oxidation voltage (4.6 V vs. Li/Li+) and rapid Li+-desolvated kinetic. Consequently, the electrolyte facilitates the LiNi0.8Co0.1Mn0.1O2 (NCM811)||Li cells to attain a specific capacity of 165.8 mAh g-1 at 5C, alongside 1000 stable cycles at 1C charge/3C discharge with 66% capacity retention. Even under lean conditions (N/P = 1.5, electrolyte: 20 µL), NCM811||Li cell still maintains 97.5% capacity retention over 100 cycles. Furthermore, a 3.2 Ah pouch cell achieves a specific energy density of 447.6 Wh kg-¹ with stable cycling. These findings highlight the promise of gradient-solvation electrolytes for high-voltage LMBs applications.","PeriodicalId":114,"journal":{"name":"Advanced Materials","volume":"26 1","pages":"e2509760"},"PeriodicalIF":29.4,"publicationDate":"2025-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144488201","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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