APPLIED SURFACE SCIENCE
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2026
·
IF 6.6
Jiaqing Liu,Jintao Wang,Jinmiao Ren,Jianying Zhang,Jiansheng Wang,Xiongfeng Zeng,Yilong Wang,Jiuwu Wang,Yingna Zhao
• Millisecond urea-assisted Joule heating replaces –F/–OH with Ti–N termination. • • RJH preserves the 2D lamellar framework that furnace annealing collapses. • • R-MXene-700 sustains 5000 sodium-storage cycles with only 0.0087% decay per cycle. Two-dimensional MXenes are promising sodium-ion battery anodes, but their inert −F/–OH surface terminations impede Na + transport, and the thermal treatments used to remove them inevitably collapse the lamellar framework. Here we demonstrate a millisecond non-equilibrium surface reconstruction of MXenes via a urea-assisted Rapid Joule Heating (RJH) technique that resolves this trade-off. The transient thermal shock substantially removes the −F/–OH terminations and incorporates a low level of nitrogen at the surface termination sites while preserving the 2D lamellar structure that is destroyed by furnace annealing at the same temperature. The reconstructed surface sustains fast, surface-dominated sodium storage — a pseudocapacitive contribution of 82% at 1.0 mV s −1 that rises to 88% at 2.0 mV s −1 — while delivering a substantially higher specific capacity than the furnace-annealed control at every current density, together with ultra-long cycling stability (5000 cycles with only 0.0087% capacity decay per cycle). Density functional theory calculations attribute the enhanced kinetics to reduced Na⁺ migration barriers upon nitrogen doping. This non-equilibrium strategy offers a general route to tune MXene surface chemistry while preserving structural integrity, with broad implications for high-rate sodium storage. Urea-assisted rapid Joule heating (RJH) reconstructs the MXene surface within 60 s, removing the inert –F/–OH terminations and grafting nitrogen at the surface termination sites while preserving the two-dimensional lamellar framework that furnace annealing collapses. A urea-free control confirms that the nitrogen termination, rather than the thermal shock itself, governs the sodium-storage kinetics. The optimized R-MXene-700 electrode delivers 193 mAh g −1 at 0.5 A g −1 and 173.4 mAh g −1 in the second cycle at 5 A g −1 , with only 0.0087% capacity decay per cycle over 5000 cycles. Download: Download high-res image (98KB) Download: Download full-size image
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高影响因子
CHEMICAL ENGINEERING JOURNAL
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2026
·
IF 12.5
Luoqi Xie,Fei Liu,Shangyan Zhou,Jiamin Wang,Jinjin Sun,Zaiyin Hu
A Pd-MX/GaZnZrO x hybrid catalyst was developed for CO 2 hydrogenation. • MXene acts as a hydrogen-delivery platform beyond a conventional support. • Interfacial coupling promotes H 2 activation and CO 2 conversion synergistically. • A methanol STY of 600.2 mg gcat −1 h −1 was achieved at 320 °C. • DFT and DRIFTS confirm an accelerated formate-mediated pathway. Efficient CO 2 hydrogenation to methanol requires a balanced interface where CO 2 activation is coupled with H 2 dissociation and subsequent hydrogenation. Herein, a Pd-modified MXene (Pd-MX)/GaZnZrO x hybrid catalyst was developed by integrating Pd-modified MXene with Ga-modified ZnZrO x oxide to overcome the limited hydrogen activation ability of Cu-free oxide catalysts. In this architecture, Pd provides H 2 dissociation sites, GaZnZrOx contributes to CO 2 adsorption and activation through its surface oxygen-related sites, and promotes the formation and hydrogenation of formate- and methoxy-related intermediates. Under 320 °C, 3.0 MPa, H 2 /CO 2 = 4:1, and GHSV = 24,000 mL gcat −1 h −1 , Pd-MX/GaZnZrO x achieved 10.5% CO 2 conversion, 83.26% methanol selectivity, and a methanol space-time yield of 600.2 mg gcat −1 h −1 , outperforming GaZnZrOₓ and Pd/GaZnZrO x while maintaining stability over 100 h. Spectroscopic characterization and DFT calculations reveal that MXene coupling enriches electrons on Pd, facilitates H 2 activation, improves interfacial adsorption behavior, and stabilizes formate- and methoxy-related intermediates. These results support a contact-dependent Pd-MX/GaZnZrO x architecture that enhances H 2 activation and facilitates the hydrogenation of CO 2 -derived intermediates over the Cu-free oxide catalyst. Download: Download high-res image (153KB) Download: Download full-size image
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ADVANCED FUNCTIONAL MATERIALS
·
2026
·
IF 19.9
Akbar Bashir,Ziqi Li,Ali Usman,Chak-Yin Tang,Gary Chi-Pong Tsui,Yan Chen,Chen Liu,Junpeng Qiao,Shu-Lin Bai,Cheng-Te Lin,Da-Zhu Chen
The rational design of phase-change composites that simultaneously deliver high thermal conductivity, intrinsic electrical insulation, and structural integrity is crucial for advanced thermal management and energy-regulation technologies. Herein, we report an interface-engineered anisotropic hybrid aerogel composed of amine-functionalized boron nitride ( f -BN) and Ti 3 C 2 T x MXene, fabricated via a dual-polymer-assisted gelation strategy combined with directional freeze-casting. By engineering chemically bonded yet electrically insulating interfaces through B-N-NH 2 bridges, Ti-O-C/N linkages, and π – π interactions, the system establishes a phonon-dominated transport network that overcomes the intrinsic trade-off between thermal conduction and electrical insulation. The aligned lamellar architecture further promotes efficient through-plane heat transport. Upon incorporation into a polyurethane-based solid-solid phase-change matrix, the composite achieves a high thermal conductivity of 3.376 W m −1 K −1 at a low filler loading of 14 wt.%, while retaining a substantial latent heat of 108 J g −1 and high electrical resistivity (1.68 × 10 12 Ω·cm). The composite exhibits excellent cycling stability (>96% retention after 100 thermal cycles) and delivers significant temperature reductions in CPUs (10.0°C) and Li-ion battery modules (≈7.6°C). This work establishes a design paradigm for electrically insulating, high-performance phase-change composites with synergistic heat transport and energy buffering.
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高影响因子
Batteries & Supercaps
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2026
·Vol. 9
·期 5
·e202600002
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IF 4.5
P. Sivaharini,C. Gopinathan,J. Vigneshwaran,R. L. Narayan,Dickson D. Babu,N. Krishnakumar
Tailoring the innovative hybrid composite electrode with outstanding physical and chemical properties is essential for energy storage applications. Significantly, highly conductive thin layers combined with the active sites of metal selenide in the hybrid structure, increase the active area and porosity to increases the surface area and porosity to increase the insertion/extraction of electrolyte ions. Here, a V 2 C MXene-MoSe 2 hybrid electrode is engineered by integrating V 2 CT x MXene nanosheets into a 3D MoSe 2 nanosphere framework, developing a highly interconnected 2D/3D heterostructure with unique charge–transfer routes, redox-active site density, and ion-accessible surface area. This rational structural-engineering approach creates efficient interfacial interactions, which promote effective charge storage capabilities. The V 2 C MXene-MoSe 2 electrode exhibits a high specific capacitance of 792 F g −1 at 1 A g −1 , which outperforms significantly better than the pristine V 2 CT x MXene and MoSe 2 electrodes. The V 2 C MXene-MoSe 2 hybrid electrode when employed as the positive electrode in an asymmetric supercapacitor (SC), it achieves an energy density of 33.6 Wh kg −1 at a power density of 706 W kg −1 . It also preserves 94.1% capacitance retention after 10,000 cycles at 3 A g −1 . These findings show that rational interfacial coupling of MXenes with transition-metal dichalcogenides offers a diverse platform for next-generation SCs able to efficiently bridge the performance gap between batteries and electrochemical capacitors. Graphical Efficient asymmetric supercapacitor employing a (V 2 C-MoSe 2 composite)-based positive electrode paired with an activated carbon negative electrode. The rational design enables remarkable specific capacitance of 792 F g −1 at 1 A g −1 , significantly possessing an energy density of 33.6 Wh kg −1 and a power density of 706 W kg −1 . Furthermore, the device demonstrates extended GCD cycles, indicating superior stability and reversibility.
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高影响因子
Journal of Bioresources and Bioproducts
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2026
·
IF 19.9
Jiasheng Wei,Di Li,Ping He,Yudong Wang,Zhu Long,Hao Jia,Guiqiang Fei,Lei Dai
Ambient pressure-dried aerogels show great potential in the field of spectra compatible defense, such as integrating electromagnetic interference shielding and infrared stealth, due to their porous structure. However, they face the critical challenge of structural collapse caused by the strong capillary forces generated during solvent evaporation. Herein, MXene sediment (MS) and 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)-oxidized cellulose nanofiber (TOCNF) were employed to fabricate TOCNF/MS (TMS) aerogels through an ambient pressure drying process assisted by a dual crosslinking strategy of hydrogen bonds and Zr 4+ ionic cross-linking. Notably, Zr 4+ formed a robust cross‑linking network due to its high charge density and multidentate coordination capability, which could effectively resist capillary forces during ambient pressure drying. Moreover, ethanol was introduced to reduce the surface tension of the solvent, thereby further mitigating these capillary forces. The resultant TMS aerogels maintained an intact porous structure after ambient pressure drying, which facilitated multiple reflections and absorptions of electromagnetic waves while suppressing heat transfer. As a result, the TMS aerogel achieved an electromagnetic interference (EMI) shielding effectiveness (SE) of 73.2 dB in the X band, along with efficient shielding performance (> 60 dB) in the C and Ku bands. It also exhibited exceptional infrared stealth capability, attributed to the synergy of low infrared emissivity and low thermal conductivity. Furthermore, the TMS aerogel exhibited outstanding Joule heating performance, reaching a response temperature of 106.8 °C under an applied voltage of 2.5 V. This ambient pressure-dried TMS aerogel provides a new way for efficiently utilizing MXene sediment to construct advanced spectra compatible defense materials.
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高影响因子
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
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2026
·Vol. 37
·期 14
·1048
·
IF 3.2
Zhang Rui,Xu Yanpei,Li Sun,Wang Jiyun,Wang Xiaohan,Zou Yulu,Wang Qi
This study developed a surface plasmon resonance (SPR) ethanol sensor enhanced by a Co 3 O 4 /NiO/MXene nanocomposite. The Co 3 O 4 /NiO/MXene heterostructure was first synthesized via electrostatic self-assembly, and then immobilized onto the gold surface at varying concentrations through covalent bonding. The material’s high specific surface area and abundant active sites significantly enhanced ethanol adsorption, leading to a substantial amplification of the SPR response. Experimental results demonstrated optimal performance at a coating concentration of 1.5 mg/mL, achieving a sensitivity of 3216.20 nm/RIU. This represents a 36% enhancement compared to a conventional pure gold film sensor (2364.85 nm/RIU). Material characterization (SEM, XPS, XRD, BET) confirmed the successful synthesis of the composite and its porous structural properties. The sensor exhibits excellent linear response and high sensitivity, showing significant potential for application in ethanol detection.
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BIORESOURCE TECHNOLOGY
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2026
·
IF 8.2
Chen-Xi He,Hui-Ting Li,Jia-Ying Chen,Zhen-Feng Zhang,Xiao-Hui Yao,Wei-Guo Zhao,Dong-Yang Zhang,Jun Wang
Nano-confined MXene/COF membrane enabled flow biocatalysis. • Rapid photothermal heating replaced conventional water-bath heating. • Nano-confinement enhanced mass transfer and catalytic efficiency. • The membrane bioreactor reduced energy consumption by up to 86%. Bioreactors play a crucial role in biocatalysis, particularly where energy efficiency and catalytic stability remain critical challenges. This study reports a continuous-flow photothermal bioreactor based on a MXene/covalent organic framework (MCOF) composite, synthesized in one pot with high surface area and excellent photothermal biocatalytic performance. Multilayer MCOF membranes with nanoscale confinement effects were constructed, which enabled highly efficient enzyme immobilization and enhanced mass transfer. Under near-infrared light irradiation, the MCOF membrane rapidly converted light into heat, facilitating efficient thermal management of enzymes. Compared to the conventional heat conduction heating method, this system reduced energy consumption by more than 86%, requiring only 2.14 Wh of energy per hour. Additionally, the confined structure of the MCOF membrane promoted substrate–enzyme interactions and continuous-flow catalysis. To achieve the same product-conversion effect, the confined structure required only 45% of the free enzyme reaction time and 55% of the dispersed MCOF powder reaction time. After six cycles, the MCOF bioreactor retained over 80% catalytic activity and maintained high conversion rates under various flow conditions. This work integrates photothermal management and confinement-enhanced catalysis to establish a new strategy for developing efficient, reusable, and low-energy bioreactors suitable for scalable green biomanufacturing. Download: Download high-res image (263KB) Download: Download full-size image
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PubMed
高影响因子
SENSORS AND ACTUATORS B-CHEMICAL
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2026
·
IF 8.3
Tenghui Mao,Hailong Wang,Jinghuan Fu,Cheng Peng,Dongxu Wang,Zhenhui Liu,Haofeng Fu,Feng Gao,Chunliu Zhao
Here, we have theoretically proposed and experimentally demonstrated a sandwich-type (single-mode-no-core-single-mode, SNS) fiber-optic relative humidity sensor integrating a MXene derivatives coating and intensity-correlated twin beams, achieving high-sensitivity humidity sensing within a 30%-90% RH range by utilizing the unique quantum properties of the twin beams. This sensor utilizes the mechanism of water molecule adsorption-induced refractive index variation in the MXene derivatives coating, which modulates the constructive/destructive condition of multimode interference within the no-core fiber, thereby converting relative humidity variations into detectable optical signals. Furthermore, based on the aforementioned coating, intensity-correlated twin beams are introduced for the first time. In an unbalanced architecture, the system achieves a maximum signal-to-noise ratio enhancement of 0.831 dB during humidity increase and 0.834 dB during humidity decrease, corresponding to sensitivities of 0.3117 dB/%RH and 0.3179 dB/%RH, respectively, representing at least a 7.1-fold enhancement compared with classical single-channel humidity sensing. Moreover, in sealed-environment tests, the present sensor demonstrates a response time as fast as 1.56 s and a recovery time of 0.78 s. Its promising sensing performance offers a novel solution for applications such as medical diagnostics and industrial process control.
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高影响因子
VACUUM
·
2026
·
IF 4.3
Xiaoqian Shi,Zhongxi Yang,Miao Liu,Peng Song
Two-dimensional layered materials are prone to interlayer stacking in gas sensing applications, leading to a reduction in specific surface area, slow gas diffusion, and inadequate response performance at room temperature. To address these issues, this study employed a combined hydrothermal reduction and freeze-drying method to prepare 3D rGO/MXene/In 2 O 3 composite aerogels, and systematically investigated their microstructure, pore structure, surface chemistry, and formaldehyde sensing behaviour at room temperature. The results indicate that this composite material possesses a continuous, interconnected three-dimensional porous network structure and a high specific surface area (282.78 m 2 /g), which effectively exposes active sites and accelerates gas transport. First-principles calculations confirm the presence of significant interfacial electronic interactions between the multiple components. Under room-temperature testing conditions, the aerogel-based sensor demonstrated a rapid response recovery time (6/8 s) and high formaldehyde response sensitivity (50 ppm, 26.9%), providing an experimental foundation and material design reference for the development of novel room-temperature rapid gas sensors.
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PROGRESS IN ORGANIC COATINGS
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2026
·
IF 7.9
Xiaohua Chen,Hongzhi Cui,Yuhao Zhang,Cheng Man,Xiaoyu Jiang,Ruiqi Xu,Zhongyu Cui
This study develops a bilayer superhydrophobic coating pigmented with modified MXene for robust anticorrosion and efficient photothermal de-icing. The outer layer of the coating is a photothermal superhydrophobic polydimethylsiloxane coating modified with H-MXene@TiN, and the inner layer is an epoxy coating with a self-healing function provided by M-ZIF-8@PDA. The coating with a water contact angle of 154.7° exhibits a satisfactory anti−/de-icing efficiency with a stable icing-delay time (565 s at −15 °C) and fast photothermal de-icing capability (87 s under 1 sun and −15 °C). In addition, the coating maintains exceptional corrosion protection with |Z| 0.01 Hz values of 2.54 × 10 10 Ω·cm 2 after 60 days of immersion in a 3.5 wt% NaCl solution, which is several hundred times greater than that of the pure EP coating. The robust anticorrosion performance arises from the synergistic effects of controlled inhibitor release and enhanced passivation provided by M-ZIF-8@PDA.
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高影响因子
COMPOSITES PART B-ENGINEERING
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2026
·
IF 14
Ao Li,Jun Xu,Dezhong Xu,Zhaohui Zhang,Shengtao Zhou,Hanyuan Chen,Kefu Chen,Mizi Fan
Flexible piezoresistive aerogels are promising for wearable electronics and sensing in complex environments, yet their practical application is often limited by structural collapse during compression and moisture-induced conductive instability. Herein, an ultralight hydrophobic CNF/MXene composite aerogel is developed through synergistic structure–interface engineering. Directional freeze-casting creates vertically aligned lamellar channels that effectively confine compressive deformation and guide the assembly of MXene into continuous conductive pathways. Meanwhile, in situ vapor-phase deposition of methyltrichlorosilane (MTS) establishes a stable hydrophobic interface that suppresses moisture-induced softening and conductive fluctuations. Benefiting from the synergy between ordered structural regulation and interfacial stabilization, the resulting aerogel exhibits an ultralow density of 1.7 mg cm -3 , a water contact angle of 146.1°, and a high sensitivity of 438.65 kPa -1 over 0-98 kPa, together with stable operation over 1000 compression cycles. Reliable sensing performance is maintained under coupled high-temperature, high-humidity, and dynamic compression conditions. In addition, the aerogel demonstrates rapid photothermal conversion capability, reaching 179.6 °C under light irradiation. This work provides a practical strategy for constructing environmentally reliable porous conductive aerogels and offers new insights into the cooperative regulation of deformation behavior and interfacial stability for flexible sensing applications.
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高影响因子
JOURNAL OF MATERIALS SCIENCE
·
2026
·Vol. 61
·期 25
·18097-18110
·
IF 4.4
Wu Pingping,Cao Wenjia,Hao Xuegang,Chang Mingwei,Su Weichao,Zhang Sijing,Zhou Yuanzhen
Skin-mimetic conductive hydrogels capable of simultaneously integrating mechanical compliance, stable charge transport, and multifunctional signal output are highly desirable for next-generation biointegrated electronics, yet remain challenging due to intrinsic trade-offs among conductivity, stretchability, and interfacial stability. Herein, we report an interfacial-coupling-engineered MXene–PEDOT:PSS conductive hydrogel that enables dynamically reconfigurable charge transport within a polymer network. In this design, MXene nanosheets function as a two-dimensional conductive scaffold, while PEDOT:PSS acts as a conjugated polymer bridge to construct continuous electron transport pathways within a polyacrylamide matrix. The synergistic integration of hydrogen bonding, electrostatic interactions, and coordination interactions between MXene, PEDOT:PSS, and polymer chains enables simultaneous optimization of mechanical and electrical properties. The hydrogel exhibits a tensile strength of 74.9 kPa and a fracture strain of 586%, robust adhesion to porcine skin (32 kPa), and excellent self-healing capability with a healed fracture strain of 442% (75.4% of the pristine sample). It also demonstrates high sensitivity across 0–500% strain with a gauge factor of 11.03. Furthermore, it maintains stable signal output under high-frequency strain (0.4 Hz). Its overall performance surpasses that of conventional PEDOT:PSS-based conductive hydrogels. Beyond mechanical sensing, the hydrogel enables motion-driven information encoding and transmission via wearable Morse-code demonstrations. This work establishes an interfacial-coupling-driven materials design paradigm for multifunctional conductive hydrogels, offering new opportunities for multimodal sensing, biointegrated electronics, and intelligent soft communication systems. Graphical abstract
The alternative text for this image may have been generated using AI. Interfacial-coupling-engineered MXene–PEDOT:PSS conductive hydrogels enable dynamically reconfigurable charge transport, combining high stretchability, strong tissue adhesion, and sensitive strain response. The hydrogel further enables motion-driven wearable information encoding, providing a versatile platform for multimodal sensing and soft biointegrated electronic communication.
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高影响因子
危险品化学品经营许可证（带存储）