Nanoreactors Encapsulating Built‐in Electric Field as a “Bridge” for Li–S Batteries: Directional Migration and Rapid Conversion of Polysulfides

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 14(9)

Published: Dec. 27, 2023

Abstract Lithium–sulfur batteries (Li–S) are recognized as the next generation of secondary due to their satisfactory theoretical specific capacity and energy density. However, a series problems such disordered migration behavior, sluggish redox kinetics, serious shuttle effect lithium polysulfides (LiPSs) greatly limit commercial application. Herein, nanoreactors encapsulate heterostructure guarantee sulfur conversion in hosts where consists FeP with moderate adsorption ability, excellent catalytic active low work function, Fe 3 O 4 strong ability high function. This rational configuration controls direction interface built‐in electric field (BIEF) between catalyst adsorbent, realizing successive “trapping‐directional migration‐conversion” reaction mechanism species. Thanks BIEF bridge connect trapping site site, /FeP@C─S cathode delivers an ultrahigh initial 1402 mAh g −1 at 0.1 C remains more than 450 5 after 350 cycles. Even loading 5.20 mg cm −2 , it displayed 970 . provided effective strategy design high‐performance electrocatalysts for Li–S batteries.

Language: Английский

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Efficient Photothermal Anti‐/Deicing Enabled by 3D Cu_2‐xS Encapsulated Phase Change Materials Mixed Superhydrophobic Coatings

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(3)

Published: Nov. 23, 2023

Abstract Photothermal superhydrophobic surfaces are one of the most promising anti‐/deicing materials, yet they limited by low energy density and intermittent nature solar energy. Here, a coupling solution based on microencapsulated phase change materials (MPCMs) that integrates photothermal effect thermal storage is proposed. Dual‐shell octahedral MPCMs with Cu 2 O as first layer 3D 2‐x S second for time designed. By morphology manipulation shell, local surface plasmonic heating modulation realized, MPCM reveals full‐spectrum high absorption conversion efficiency up to 96.1%. The temperature enthalpy remain in good consistency after 200 cycles. Multifunctional phase‐change composite coatings fabricated combining hydrolyzed polycondensation products octadecyl trichlorosilane dual‐shell MPCM. multifunctional exhibit excellent performance under humidity conditions. This work not only provides new approach design high‐performance but also opens an avenue anti‐icing application coatings.

Language: Английский

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Engineering green MOF-based superhydrophobic sponge for efficiently synchronous removal of microplastics and pesticides from high-salinity water

Water Research, Journal Year: 2023, Volume and Issue: 243, P. 120314 - 120314

Published: July 5, 2023

Language: Английский

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On-demand switchable superamphiphilic nanofiber membrane reinforced by PET braided tube for efficient wastewater purification and photocatalytic regeneration

Applied Catalysis B Environment and Energy, Journal Year: 2023, Volume and Issue: 341, P. 123300 - 123300

Published: Sept. 18, 2023

Language: Английский

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Robust mussel-inspired LBL carbon nanotube-based superhydrophobic polyurethane sponge for efficient oil–water separation utilizing photothermal effect

Fuel, Journal Year: 2024, Volume and Issue: 381, P. 133353 - 133353

Published: Oct. 4, 2024

Language: Английский

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Durable superhydrophobic surface in wearable sensors: From nature to application

Exploration, Journal Year: 2023, Volume and Issue: 4(2)

Published: Nov. 8, 2023

Abstract The current generation of wearable sensors often experiences signal interference and external corrosion, leading to device degradation failure. To address these challenges, the biomimetic superhydrophobic approach has been developed, which offers self‐cleaning, low adhesion, corrosion resistance, anti‐interference, other properties. Such surfaces possess hierarchical nanostructures surface energy, resulting in a smaller contact area with skin or environment. Liquid droplets can even become suspended outside flexible electronics, reducing risk pollution interference, contributes long‐term stability complex environments. Additionally, coupling electronics potentially enhance performance due their large specific energy. However, fragility layered textures various scenarios lack standardized evaluation testing methods limit industrial production sensors. This review provides an overview recent research on sensors, including fabrication methodology, evaluation, application targets. processing, performance, characteristics are discussed, as well working mechanisms potential challenges electronics. Moreover, strategies for application‐oriented presented.

Language: Английский

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Biomimetic and Durably Superhydrophobic Nanofibrous Membranes for High‐Performance Waterproof and Breathable Textiles

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(26)

Published: Feb. 29, 2024

Abstract Man‐made superhydrophobic membranes are of interest for various applications in energy, environment, and medical fields. However, simultaneously achieving durable superhydrophobicity, robust waterproofness, high breathability the is still challenging. Herein, an efficient powerful strategy reported to create with perdurable liquid repellency via combining humidity‐induced electrospinning coat‐crosslinking technology. The micro/nano rough structure situ constructed based on manipulating phase separation electrospun jets; meanwhile, waterborne acrylic resins bridged surface nanofiber endow stable low energy coating crosslinking treatment. Eventually, resultant present superhydrophobicity a water contact angle ≈154°, good self‐cleaning anti‐icing properties, waterproofness 83.4 kPa, 3.71 kg m −2 d −1 . More interestingly, nanomaterials can maintain even after exposure severe conditions. successful creation high‐performance opens new avenue synthesizing advanced functional materials application variety

Language: Английский

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Boosting the Strength and Toughness of Polymer Blends via Ligand‐Modulated MOFs

Advanced Science, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 16, 2024

Abstract Mechanically robust and tough polymeric materials are in high demand for applications ranging from flexible electronics to aerospace. However, achieving both toughness strength polymers remains a significant challenge due their inherently contradictory nature. Here, universal strategy enhancing the of polymer blends using ligand‐modulated metal–organic framework (MOF) nanoparticles is presented, which engineered have adjustable hydrophilicity lipophilicity by varying types ratios ligands. Molecular dynamics (MD) simulations demonstrate that these can effectively regulate interfaces between chemically distinct based on amphiphilicity. Remarkably, mere 0.1 wt.% MOF with optimized amphiphilicity (ML‐MOF (5:5) ) delivered ≈1.1‐ ≈34.1‐fold increase poly (lactic acid) (PLA)/poly (butylene succinate) (PBS) blend, respectively. Moreover, amphiphilicity‐tailorable universally enhance mechanical properties various blends, such as polypropylene (PP)/polyethylene (PE), PP/polystyrene (PS), PLA/poly adipate‐co‐terephthalate) (PBAT), PLA/polycaprolactone (PCL)/PBS. This simple method offers potential strengthening toughening blends.

Language: Английский

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Femtosecond laser-chemical hybrid processing for achieving substrate-independent superhydrophobic surfaces

Journal of Central South University, Journal Year: 2024, Volume and Issue: 31(1), P. 1 - 10

Published: Jan. 1, 2024

Language: Английский

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3D‐Printed Tissue‐Specific Nanospike‐Based Adhesive Materials for Time‐Regulated Synergistic Tumor Therapy and Tissue Regeneration In Vivo

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(48)

Published: June 26, 2024

Abstract The growing concerns regarding cancer recurrence, unpredictable bone deficiencies, and postoperative bacterial infections subsequent to the surgical removal of tumors have highlighted need for multifaceted scaffolds that afford tumor therapy, effective vascularized reconstruction. However, challenging trilemma has emerged in realm balance between achieving appropriate mechanical strength, ensuring biocompatibility, optimizing a degradation rate aligns with bone‐regenerative rate. Considering these challenges, innovative theragenerative platform is developed by utilizing 3D printing‐based nanospikes first time. This comprises tissue‐specific nanospiked hydroxyapatite decorated magnesium (nMg) adhesive DNA (aDNA). incorporation nMg within polylactic acid (PLA) matrix confers photothermal capabilities helps modulate properties improve biocompatibility platform. Simultaneously, immobilized aDNA contributed enhancement healing. These 3D‐printed tissue‐adhesive platforms exhibit superior offer controlled degradability. Moreover, they enable eradication bacteria osteosarcoma through hyperthermia promote angiogenesis osteogenesis, both vitro vivo. groundbreaking approach poised pave way fabrication design novel implantable biomaterials integrate therapeutic regenerative functions.

Language: Английский

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