Small Methods最新文献_第2页

Progress in Developing Polymer Electrolytes for Advanced Zn Batteries.

IF 10.7 2区材料科学

Small Methods Pub Date : 2025-04-08 DOI: 10.1002/smtd.202500031

Yanbo Wang, Yeyang Jia, Chuan Li, Huilin Cui, Rong Zhang, Hu Hong, Qing Li, Donghong Wang, Chunyi Zhi

{"title":"Progress in Developing Polymer Electrolytes for Advanced Zn Batteries.","authors":"Yanbo Wang, Yeyang Jia, Chuan Li, Huilin Cui, Rong Zhang, Hu Hong, Qing Li, Donghong Wang, Chunyi Zhi","doi":"10.1002/smtd.202500031","DOIUrl":"https://doi.org/10.1002/smtd.202500031","url":null,"abstract":"Aqueous Zn batteries (ZBs) are promising candidates for large-scale energy storage, considering their intrinsically safe features, competitive cost, and environmental friendliness. However, the fascinating metallic Zn anode is subjected to severe issues, such as dendrite growth, hydrogen evolution, and corrosion. Additionally, traditional aqueous electrolytes' narrow electrochemical windows and temperature ranges further hinder the practical application of ZBs. Solid-state electrolytes, including solid polymer electrolytes and hydrogel electrolytes, offer distinct paths to mitigate these issues and simultaneously endow the ZBs with customizable functions such as flexibility, self-healing, anti-freezing, and regulated Zn deposition, etc, due to their tuneable structures. This review summarizes the latest progress in developing polymer electrolytes for ZBs, focusing on modifying the ionic conductivity, interfacial compatibility, Zn anode stability, electrochemical stability windows, and improving the environmental adaptability under harsh conditions. Although some achievements are obtained, many critical challenges still exist, and it is hoped to offer guidance for future research, accelerating the development and application of polymer electrolytes.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e2500031"},"PeriodicalIF":10.7,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143802133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

An Injectable, Self-Adaptive Hydrogel with Metallic-Functionalized Metal Organic Frameworks for Enhanced Wound Healing in Dynamic Infectious and Inflammatory Microenvironment.

IF 10.7 2区材料科学

Small Methods Pub Date : 2025-04-03 DOI: 10.1002/smtd.202500015

Yanping Yu, Ping Li, Lina Bao, Furong Liu, Ziran Zeng, Zhi Li, Le Wang, Feng Liu, Ming Jiang, Minjie Xie, Zhanguo Zhang, Luqin Si, Xu Yu, Li Xu

{"title":"An Injectable, Self-Adaptive Hydrogel with Metallic-Functionalized Metal Organic Frameworks for Enhanced Wound Healing in Dynamic Infectious and Inflammatory Microenvironment.","authors":"Yanping Yu, Ping Li, Lina Bao, Furong Liu, Ziran Zeng, Zhi Li, Le Wang, Feng Liu, Ming Jiang, Minjie Xie, Zhanguo Zhang, Luqin Si, Xu Yu, Li Xu","doi":"10.1002/smtd.202500015","DOIUrl":"https://doi.org/10.1002/smtd.202500015","url":null,"abstract":"Wound healing is a dynamic process often accompanied by bacterial infection. Bacterial proliferation and induced excessive inflammation hinder the healing process in infectious wounds, leading to refractory wounds. Addressing the challenges of infectious wounds requires the development of multifunctional dressings capable of eliminating bacterial infection, relieving inflammation, and restoring the wound microenvironment. In this study, a Ag+-ion functionalized and a Cu2+-ion functionalized UiO-67 metal-organic framework (MOF-Ag and MOF-Cu) are incorporated into an oxidized dextran and gelatin mixture to fabricate hydrogel, termed as OGAC. The resulting OGAC exhibited injectable, adhesive, hemostatic, antibacterial, and anti-inflammatory properties, along with good biocompatibility. The OGAC hydrogel precursor could be injected in situ at the wound site to cover the wound, serving as a physical barrier to protect wounds. Moreover, the OGAC demonstrates efficient antibacterial and anti-biofilm activity, against both Escherichia coli and Staphylococcus aureus. Additionally, OGAC has superoxide dismutase-like and glutathione peroxidase-like activity for anti-oxidation, which is conducive to reduce inflammation in the wound. The OGAC reveals high performance for infected wound healing in a mouse model. These findings suggest that OGAC is a promising candidate with multiple functionalities for clinical wound management.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e2500015"},"PeriodicalIF":10.7,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143778707","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Elucidating Raman Auger Behavior in Cu, Cu₂O and CuO by Resonant Auger Electron Spectroscopy to Interpret X-ray Absorption Spectroscopy.

IF 10.7 2区材料科学

Small Methods Pub Date : 2025-04-03 DOI: 10.1002/smtd.202402027

Hui Zhang, Jing Zhou, Xiaobao Li, Yong Han, Nian Zhang, Zhi Liu

{"title":"Elucidating Raman Auger Behavior in Cu, Cu2O and CuO by Resonant Auger Electron Spectroscopy to Interpret X-ray Absorption Spectroscopy.","authors":"Hui Zhang, Jing Zhou, Xiaobao Li, Yong Han, Nian Zhang, Zhi Liu","doi":"10.1002/smtd.202402027","DOIUrl":"https://doi.org/10.1002/smtd.202402027","url":null,"abstract":"The understanding and modulation of electronic structures on copper and copper oxides are of great value in the fields of material science and condensed matter physics. Due to the full or nearly full 3d electrons, the band structures of Cu and its oxides have not been clearly investigated in terms of experiments and calculations. Here mapping of resonant Auger electron spectroscopy (mRAS) is utilized to understand the non-radiative decay process of core hole around the absorption threshold. The mRAS can be used for X-ray absorption spectroscopy (XAS) in high energy resolution electron detection mode (HERED), which can help interpret the Cu L3,2-edge XAS. Additionally, the mRAS results clearly distinguish the band-structure and exitonic contribution in XAS spectra. Together with the spectral calculations, the origin of asymmetrical main absorption peak in Cu L3-edge XAS of Cu2O can be explained. Moreover, the non-linear Raman profile around absorption threshold is also found in the mRAS of Cu2O and CuO, which correlated with the core-hole intermediate state in the XAS process. This work demonstrates the progressiveness of mRAS method for traditional absorption spectrum, which can enhance the capability to study the complex core-hole state in the copper and related systems.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e2402027"},"PeriodicalIF":10.7,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143778708","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Tuning the Inter-Layer Angle and Curvature of Double-Layered Tiles Hinged by Layered Crossovers for Construction of DNA Lattices and Tubes.

IF 10.7 2区材料科学

Small Methods Pub Date : 2025-04-03 DOI: 10.1002/smtd.202401649

Feiyang Feng, Ling Zhang, Shou-Jun Xiao

{"title":"Tuning the Inter-Layer Angle and Curvature of Double-Layered Tiles Hinged by Layered Crossovers for Construction of DNA Lattices and Tubes.","authors":"Feiyang Feng, Ling Zhang, Shou-Jun Xiao","doi":"10.1002/smtd.202401649","DOIUrl":"https://doi.org/10.1002/smtd.202401649","url":null,"abstract":"DNA tile-based assembly has been proven as a versatile strategy to generate various nanostructures, including 1D nanotubes, 2D tessellations, 3D polyhedrons, bundles, and single crystals. In double-layered tiles, both tile curvature and inter-layer angle play an important role to regulate the geometric shape of assemblies and tuning the two intrinsic properties precisely still remains a challenge. In this work, a series of robust double-layered tiles are designed. Each tile consists of two cDAO (coupled DAO, where DAO means a Double-crossover motif composed of two Antiparallel duplexes of an Odd number of DNA half-turns long) motifs which are hinged through a pair of layered crossovers (LXs). Both tile curvature and inter-layer angle are tuned through programming the LX positions in the step length of one base. All individual tiles are confirmed with native PAGE (polyacrylamide gel electrophoresis), a series of rhombic 2D lattices with inter-layer acute angles tuned from 30.0° to 90.0° are achieved via surface-assisted assembly of blunt-ended tiles, and many kinds of DNA tubes with tube widths (the tube width equals half of the tube perimeter) changing from 36.0 and 175.0 nm are generated via solution assembly of sticky ended tiles.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e2401649"},"PeriodicalIF":10.7,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143778710","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Imaging Ligand-Receptor Interactions at Single-Protein Resolution with DNA-PAINT.

IF 10.7 2区材料科学

Small Methods Pub Date : 2025-04-03 DOI: 10.1002/smtd.202401799

Monique Honsa, Isabelle Pachmayr, Larissa Heinze, Levent Bas, Luciano A Masullo, Jisoo Kwon, Ana Perovic, Brenda Schulman, Ralf Jungmann

{"title":"Imaging Ligand-Receptor Interactions at Single-Protein Resolution with DNA-PAINT.","authors":"Monique Honsa, Isabelle Pachmayr, Larissa Heinze, Levent Bas, Luciano A Masullo, Jisoo Kwon, Ana Perovic, Brenda Schulman, Ralf Jungmann","doi":"10.1002/smtd.202401799","DOIUrl":"https://doi.org/10.1002/smtd.202401799","url":null,"abstract":"Ligand-receptor interactions are critical for cell communication, with membrane receptors such as the Epidermal Growth Factor Receptor (EGFR) mediating responses to external signals. Super-resolution microscopy techniques in principle allow the visualization of these interactions at single-molecule resolution. While DNA-Points Accumulation for Imaging in Nanoscale Topography (DNA-PAINT) super-resolution microscopy has been successfully used to image receptors, specific labeling of cognate ligands, such as EGF, with DNA has remained challenging. Here, an approach to label and image the small extracellular ligand EGF using site-specific tagging and DNA modification is presented. Functional, site-specifically tagged EGF constructs, including DNA-conjugated and ALFA-tagged EGF, are generated. When compared to the native ligand, only the ALFA-tagged EGF maintains full functionality such as efficient EGFR clustering and internalization, while the DNA-conjugated EGF exhibits reduced EGFR oligomerization. 3D DNA-PAINT imaging of the ALFA-tagged EGF, when bound to EGFR, reveals spatial arrangements of EGF-EGFR complexes and captures different stages of receptor internalization. The labeling approach enables precise visualization of ligand-receptor interactions at high resolution and, in principle, can be extended to other ligand-receptor systems.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e2401799"},"PeriodicalIF":10.7,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143778709","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Increase the Long-Wavelength Absorption for Carbon-Electrode Based Hole-Conductor-Free Perovskite Solar Cells by Thicker Perovskite Films.

IF 10.7 2区材料科学

Small Methods Pub Date : 2025-04-01 DOI: 10.1002/smtd.202401645

Xiaohan Yu, De'en Guo, Jiao Ma, Siyuan Lin, Yuhuan Xiao, Deming Kong, Conghua Zhou

{"title":"Increase the Long-Wavelength Absorption for Carbon-Electrode Based Hole-Conductor-Free Perovskite Solar Cells by Thicker Perovskite Films.","authors":"Xiaohan Yu, De'en Guo, Jiao Ma, Siyuan Lin, Yuhuan Xiao, Deming Kong, Conghua Zhou","doi":"10.1002/smtd.202401645","DOIUrl":"https://doi.org/10.1002/smtd.202401645","url":null,"abstract":"Weak reflectivity of carbon-electrode (CE) limits light harvesting of perovskite solar cells that are based on CEs (CPSCs), especially for long-wavelength region. To solve this problem, herein the crystallization of perovskite (PVSK) is regulated by tuning the concentration of PbI2 precursor during the two-step growth method. As concentration increases from 1.0 to 1.7 mol L-1, film thickness of PVSK rises from ≈360 to ≈850 nm, and the average grain/crystallite size of PVSK enlarges from 0.70 to 1.14 µm, and from 54.2 to 67.5 nm, respectively. Due to the upgraded crystallization, Urbach energy drops from 98 to 41 meV, lifetime of charge carriers increases obviously, meanwhile the light harvesting of PVSK is improved during the long-wavelength regions (600-810 nm). External quantum efficiency test on the CPSCs shows that the integrated short circuit current density (JSC) increases by 15.6% during the long-wavelength region. Accordingly, JSC improves from 20.27 (±0.36) to 22.58 (±0.27) mA cm-2. Besides, leakage is retarded, and open-circuit voltage is improved. These merits help elevate the power conversion efficiency from 15.37 (±0.42) to 16.37 (±0.68) % (optimized at 17.69%). Prolonging spin-time of PbI2 further improves PVSK crystallization and light harvest, which optimizes device efficiency to 19.17%.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e2401645"},"PeriodicalIF":10.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143750470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Vanadium-Doped Molybdenum Diselenide Accelerates Sulfur Redox Kinetics in Lithium-Sulfur Batteries.

IF 10.7 2区材料科学

Small Methods Pub Date : 2025-04-01 DOI: 10.1002/smtd.202500255

Pengfei Zhang, Rui Wang, Huiting Cheng, Jiatong Li, Chan Wang, Xuening Zhao, Fushuai Yu, Kaichen Zhao, Junfeng Hui, Huigang Zhang, Xiaoyan Zheng

{"title":"Vanadium-Doped Molybdenum Diselenide Accelerates Sulfur Redox Kinetics in Lithium-Sulfur Batteries.","authors":"Pengfei Zhang, Rui Wang, Huiting Cheng, Jiatong Li, Chan Wang, Xuening Zhao, Fushuai Yu, Kaichen Zhao, Junfeng Hui, Huigang Zhang, Xiaoyan Zheng","doi":"10.1002/smtd.202500255","DOIUrl":"https://doi.org/10.1002/smtd.202500255","url":null,"abstract":"The persistent shuttle effect of polysulfides and slow liquid-solid redox kinetics remain major obstacles to the practical application of Lithium-Sulfur (Li─S) batteries. In this study, a vanadium-doped molybdenum diselenide catalyst designed to address these challenges are presented. Experimental analysis and theoretical calculations reveal that V doping slightly disrupts the 2D growth of MoSe2, creating structural defects and abundant edge-active sites. These active sites enhance polysulfide adsorption, facilitate efficient catalytic conversion, and promote the utilization of S species. Additionally, electron redistribution induced by V dopants improves electronic conductivity and accelerates redox kinetics. As a result, Li─S batteries using V0.1Mo0.9Se2 as a catalyst deliver a high discharge capacity of 1467.3 mA h g-1 at 0.1 C and maintain a capacity of 651.9 mA h g-1 after 1000 cycles at 1 C, with an ultralow decay rate of 0.036% per cycle. Under high sulfur loading (5.5 mg cm-2), the batteries exhibit a specific capacity of 803.9 mA h g-1 after 100 cycles and a decay rate of only 0.11% per cycle. This study demonstrates that V doping effectively activates inert MoSe2, providing a promising strategy for designing high-performance sulfur cathode catalysts and advancing the development of next-generation Li─S batteries.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e2500255"},"PeriodicalIF":10.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143750530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Luminescence-Based Implied Voltage Imaging of Tandem Solar Cells Using Bandpass Filters.

IF 10.7 2区材料科学

Small Methods Pub Date : 2025-04-01 DOI: 10.1002/smtd.202401003

Soma Zandi, Shuai Nie, Yan Zhu, Thomas G Allen, Erkan Aydin, Esma Ugur, Jianghui Zheng, Guoliang Wang, Xu Liu, Xiaojing Hao, Anita Ho-Baillie, Stefaan De Wolf, Thorsten Trupke, Ziv Hameiri

引用次数: 0

Hierarchical Porous Aerogel-Hydrogel Interlocking Bioelectronic Interface for Arrhythmia Management.

IF 10.7 2区材料科学

Small Methods Pub Date : 2025-03-31 DOI: 10.1002/smtd.202401844

Lei Zhao, Yuhan Lu, Xinxin Lu, Bihan Guo, Zhiqiang Chang, Qinjuan Ren, Xiang Li, Bingfang Wang, Ailin Lv, Jing Wei, Jianfang Nie, Yingying Lv, Menahem Y Rotenberg, Ya Zhang, Daizong Ji, Yin Fang

{"title":"Hierarchical Porous Aerogel-Hydrogel Interlocking Bioelectronic Interface for Arrhythmia Management.","authors":"Lei Zhao, Yuhan Lu, Xinxin Lu, Bihan Guo, Zhiqiang Chang, Qinjuan Ren, Xiang Li, Bingfang Wang, Ailin Lv, Jing Wei, Jianfang Nie, Yingying Lv, Menahem Y Rotenberg, Ya Zhang, Daizong Ji, Yin Fang","doi":"10.1002/smtd.202401844","DOIUrl":"https://doi.org/10.1002/smtd.202401844","url":null,"abstract":"Carbon aerogels with exceptional electrical properties are considered promising materials for bioelectronics in signal detection and electrical stimulation. To address the mechanical incompatibilities of carbon aerogels with bio-interfaces, particularly for dynamic tissues and organs, the incorporation of hydrogels is an effective strategy. However, achieving excellent electrical performance in carbon aerogel-hydrogel hybrids remains a significant challenge. Two key factors contribute to this difficulty: 1) unrestricted hydrogel infiltration during preparation can lead to complete encapsulation of the conductive aerogel, and 2) the high swelling behavior of hydrogels can cause disconnection of the aerogel. Herein, a stretchable, highly conductive bioelectronic interface is achieved by forming an interlocking network between hierarchical porous carbon aerogel (PA) with polyvinyl alcohol (PVA) hydrogel. Partial exposure of the PA due to confined infiltration of PVA into the porous structure maintains the electrical performance, while the non-swellable PVA ensures mechanical stretchability and stability. The hybrid demonstrates excellent conductivity (370 S·m-1), high charge storage capacity (1.66 mC cm-2), remarkable stretchability (250%), and long-term stability over three months, enabling effective signal recording and electrical stimulation. For the first time, carbon aerogel-hydrogel hybrids enable cardiac pacing both ex vivo and in vivo in rat heart models. Compared to conventional platinum electrodes, the PA-PVA electrodes require lower pacing voltages, suggesting potential advantages in power efficiency and reduced tissue damage. The electrodes can be integrated with a wireless implantable device for in vivo synchronous electrocardiogram monitoring and cardiac pacing, underscoring their potential for arrhythmia management.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e2401844"},"PeriodicalIF":10.7,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143750447","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Ag on NiCo Layered Double Hydroxide as Oxygen Evolution Electrocatalyst for Anion Exchange Membrane Water Electrolyzer Under Large Current Densities.

IF 10.7 2区材料科学

Small Methods Pub Date : 2025-03-30 DOI: 10.1002/smtd.202500103

Yan Sun, Gongjin Chen, Fatima El Bachraoui, Yingdan Cui, Guimei Liu, Fei Xiao, Xitang Qian, Zhiwen Xu, Minhua Shao

{"title":"Ag on NiCo Layered Double Hydroxide as Oxygen Evolution Electrocatalyst for Anion Exchange Membrane Water Electrolyzer Under Large Current Densities.","authors":"Yan Sun, Gongjin Chen, Fatima El Bachraoui, Yingdan Cui, Guimei Liu, Fei Xiao, Xitang Qian, Zhiwen Xu, Minhua Shao","doi":"10.1002/smtd.202500103","DOIUrl":"https://doi.org/10.1002/smtd.202500103","url":null,"abstract":"A facile and universal strategy is employed to synthesize Ag decorated NiCo layered double hydroxide (LDH) heterogeneous structure for the oxygen evolution reaction (OER). The Ag nanoparticles are deposited on NiCo LDH nanosheets via a spontaneous redox reaction. The synthesized Ag/NiCo LDH achieves an overpotential of 460 mV at a current density of 1 A cm-2 geo, surpassing that of NiCo LDH (722 mV). In an anion exchange membrane water electrolyzer (AEMWE) with Ag/NiCo LDH as the anode and Pt/C as the cathode, the cell can deliver an ultrahigh current density of 5 A cm-2 at a low voltage of 2.10 V. This superior current density is nearly four times larger than that of AEMWEs with other non-precious anode electrocatalysts reported in literature under the same effective area. Furthermore, it exhibits desired durability with no performance decay for over 300 h at 1 A cm-2, which is almost six times longer than that of electrolyzer with an IrO2 anode. Operando electrochemical impedance spectroscopy results reveal that Ag decoration facilitates active site formation and reduces the OER onset potential compared to NiCo LDH. This study showcases a practical approach to designing highly effective and durable OER electrocatalysts in industrial hydrogen production.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e2500103"},"PeriodicalIF":10.7,"publicationDate":"2025-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143750442","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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