ACS Sustainable Chemistry & Engineering
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2026
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IF 7.3
Bin Wen,Ruyin Ma,Jianbin Chen,Zhou Sha,Jiahao Feizheng,Daliang Guo,Linxin Zhong,Qianyu Sun,Yinchao Xu,Ziyang Chang,Chengliang Duan,Jing Li,Xin Tong
As the critical gas diffusion layer in proton exchange membrane fuel cells (PEMFCs), carbon paper (CP) governs the charge transfer, mechanical integrity, and gas/water transport. However, conventional CP struggles to simultaneously optimize permeability, strength, and conductivity, hindered by structural defects from resin expansion and weakened fiber-resin bonds during fabrication. To overcome this, a novel synergistic modifier: aramid nanofibers (ANF) and cellulose nanofibers grafted with methyl methacrylate (CNFM) within the phenolic resin (PF) were used to prepare CP. Investigating ANF:CNFM ratios revealed enhanced PF dispersion stability and modified thermochemical properties. The modified CP exhibited a tunable surface morphology, mechanical strength, in-plane resistivity, and pore characteristics, peaking at ANF:CNFM (3:1). Crucially, this modification inhibited PF methylene bridge fracture, increased polycondensation sites, and fostered a more ordered carbon matrix (reduced ID/IG: 2.12 vs 2.16 unmodified). Assembled PEMFCs with optimized ANF:CNFM (3:1) modified CP achieved a peak power density of 1.34 W·cm–2 (2 N·m, 60 °C anode humidification), surpassing commercial CP by 15.51% (1.16 W·cm–2). Lower mass transport impedance, confirmed by EIS, underscores the superior gas–liquid transport enabled by a tailored pore structure and enhanced mechanical strength, advancing high-performance PEMFCs design.
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Advanced Composites and Hybrid Materials
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2026
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IF 21.8
Ding Zhaofu,Liang Lirong,Chen Guangming
Thermoelectric (TE) materials, owing to their capability of direct heat-to-electricity interconversions, hold great potential in constructing smart buildings. However, reports on their integration into smart buildings remain scarce. In this work, we prepared biobased composite TE films. Their excellent photothermal conversion capability facilitates efficient absorption of solar energy and conversion into heat, establishing a large and stable temperature gradient, thereby synergistically achieving higher TE performance. Inspired by the unique overlapping and interlocking design of tiles in typical Chinese and oriental ancient architectures, where the curved tile surface enhances solar capture and the formed porous structures ensures efficient heat sink, we ingeniously designed and fabricated tile-shaped TE devices. Benefiting from the film’s photothermal effect, the prepared devices achieve a large temperature difference of nearly 60 K under solar irradiation. A device consisting of 20 TE legs generates an output voltage of 60 mV and a maximum output power of 11.9 µW, demonstrating excellent building-integrated TE energy harvesting performance. Furthermore, the TE system exhibits rapid fire warning capability, thereby providing fire protection for buildings. This work not only opens a novel avenue for achieving simultaneous harvesting of solar energy and self-powered fire warning, but also provides pioneering insights into green smart buildings and the protection of ancient architectures and cultural relics.
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POLYMER BULLETIN
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2026
·Vol. 83
·期 5
·215
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IF 4
Wang Song,Ma Rumeng
Coating polyethylene terephthalate (PET) fabrics by flame-retardant polyacrylate (PAc) is considered as a convenient and efficient method for improving the flame retardancy of PET fabrics. In this study, melamine (MEL) was reacted with phytic acid (PA), leading to the successful synthesis of a PA-based flame retardant, MP. Subsequently, aluminum diethylphosphinate (ADP) and MP were compounded at a mass ratio of 18:2 and incorporated into the PAc coating to prepare a flame-retardant PAc coating. When this flame-retardant PAc coating was coated to the surface of PET fabric, PET-ADP-MP 18:2 was obtained. The PET-ADP-MP 18:2 fabric exhibited excellent flame-retardant performance, achieved fire rating B 1 in the Vertical flammability test (VFT), with a limiting oxygen index (LOI) of 26.3%. Compared to the untreated PET fabric, the peak heat release rate (PHRR) was reduced by 70.81%. Moreover, the mechanical properties of PET-ADP-MP 18:2 were also improved. The tensile strength in the warp direction increased by 41.7%, while that in the weft direction increased by 57.7%. The flame retardant obtained by the combination of ADP and MP is therefore considered to hold significant potential for application in the field of flame-retardant PET fabrics (FR-PETs).
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CHEMICAL ENGINEERING JOURNAL
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2026
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IF 13.2
Qinghao He,Mingxin He,Hao Zhang,Pan Xu,Xiantao Lin,Jianbo Zhang,Ding Luo,Jinghua Li
In nanomaterials containing multiple metal atoms, interactions between metal atoms can generate the Fenton effect, making them a novel antibacterial agent that combines photodynamic and chemodynamic properties. However, conventional single-atom or multi-atom nanomaterials are limited by their specific surface area and porosity, resulting in relatively low photocatalytic efficiency. Herein, we developed a nanzyme antibacterial agent based on a porous ZIF-8 metal-organic framework incorporated with Pt and CuS via a straightforward method. Under low-concentration near-infrared (NIR) light irradiation, the CuS enables the nanzyme to rapidly raise the reaction system temperature to about 50 °C within 5 min. Furthermore, facilitated by charge transfer between Cu and Pt metals and the prominent Fenton-like activity of Pt, the system efficiently catalyzes hydroxyl radical generation from trace amounts of H 2 O 2. This mechanism synergistically integrates photodynamic and chemodynamic actions for antibacterial efficacy. The designed CuS@Pt@ZIF-8 nanzyme achieves a bacterial elimination rate of over 95% against common bacteria when subjected to irradiation with 808 nm NIR light. In vivo experiments in mice demonstrated a wound healing rate of up to 98% within 7 days. Additionally, experiments on plants and animals demonstrated that this nanzyme has minimal toxicity. The broad-spectrum Fenton-like catalytic system provide an efficient strategy for drug-resistant bacterial wound infections under combined photodynamic and chemical dynamics therapy, offering a new avenue for the development of clinical drugs.
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APPLIED CATALYSIS A-GENERAL
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2026
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IF 4.8
Hongshang Wang,Jingkai Ma,Ruihan Lv,Ji Mi,Wenjun Fang
Traditional steam reforming technology encounters two primary challenges: catalyst deactivation and fuel system instability, which limit its hydrogen production efficiency and potential applications. This work addresses these challenges through the concurrent development of novel catalysts and highly stable fuel emulsions. In this work, ultra-stable quasi-homogeneous “water + JP-10/RP-3” systems were formulated utilizing binary Span 80/Tween 80 emulsifiers. The alloy-structured Ni 0.93 Pt 0.07 /Al 2 O 3 catalyst was synthesized via stirred impregnation followed by annealing. The catalyst demonstrated superior reforming efficiency and resistance to coking: with exo-tetrahydrodicyclopentadiene (JP-10，one of jet fuels) at 740 °C, a gas yield of 28.8 wt% and a hydrogen output of 4.68 mmol·g −1 were achieved alongside a consistent 20 % level of aromatic coke precursors. Furthermore, its capability with complex fuels was affirmed by reforming RP-3 aviation kerosene at 700 °C, which yielded 3.48 mmol·g −1 of H 2 . By combining steam reforming performance tests with density functional theory (DFT) calculations, and X-ray absorption fine structure (XAFS) analysis, this study clarifies the dual synergistic effects that contribute to its exceptional performance: (1) Platinum-induced electron-rich nickel significantly decreases the adsorption energy of critical intermediates, hence improving the efficiency of C-H bond activation. (2) The Pt addition markedly diminishes carbon deposition by reducing the tendency of CH x * intermediates to undergo further dehydrogenation into carbonaceous deposits, facilitating their effective removal.
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
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2026
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IF 8.5
Xichen Yu,Jinan Huang,Yi Zou,Zhuqun Shi,Hongmei Qin,Chuanxi Xiong,Quanling Yang
Lightweight, bio-based absorbers are needed for noise mitigation without bulky cavities. Inspired by graded natural porous media, we prepared regenerated cellulose (RC) cryogels by dissolving and regenerating cellulose, followed by directional or isotropic freezing and subsequent freeze-drying. Directional freezing produced channels with an axial alignment of gradients. In directionally frozen RC cryogels, larger pores were near the hot end, whereas finer pores were near the cold end. Increasing the cellulose content refined the pores. In contrast, epichlorohydrin (ECH) cross-linking stabilized the pore walls while decreasing open porosity. Compression tests showed that compressive strength and volumetric energy absorption increased with solid content, and directionally frozen cryogels were superior at the same cellulose content. The optimal directional RC cryogel exhibited a noise reduction coefficient (NRC) of 0.56, exceeding those of the isotropic and cross-linked RC cryogels (0.54). The directional RC cryogel enabled acoustoelectric energy conversion. The device achieved a voltage output of 3.2 V and a current output of 0.38 μA at 100 Hz. These results demonstrate a scalable, bio-based route to lightweight cryogels that couple centimeter-scale sound absorption with acoustoelectric functionality, offering a sustainable platform for buildings, transportation, and personal noise mitigation.
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PubMed
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FUEL
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2026
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IF 7.5
Lianhua Hou,Bo Sun,Chen Wang,Jing Chen,Baojian Shen,Chunming Xu,Xiaochun Zhu
The cost-efficient exploitation of low- to moderate maturity (LMM) shale is of great significance in ensuring energy security, yet the existing technologies suffer from low pyrolysis efficiency, high energy consumption, and poor quality of product oil and gas. For the first time, this study proposes a novel strategy using gaseous ferrocene as an efficient catalyst for the in-situ catalytic pyrolysis of such shale, leveraging its unique low-temperature sublimation property for uniform dispersion in shale microfractures. Systematic pyrolysis experiments demonstrated that the addition of ferrocene effectively enhanced both the yield and quality of product oil and gas. Under conditions of 0.5 % ferrocene addition and an initial reaction pressure of 2 and 0.5 MPa, the product oil recovery rate increased by 31.67 % and 106.16 %, respectively, as compared with the non-catalytic pyrolysis. The yield of H 2 and light hydrocarbons (CH 4 , C 2 -C 4 ) in the gas products increased significantly, while the proportion of gasoline fraction in product oil rose markedly, with a substantial reduction in heavy oil components. Density functional theory (DFT) calculations demonstrated that ferrocene reduces the energy barrier of C–C bonds and C–O bonds cleavage, supporting the experimental results of enhanced pyrolysis of kerogen.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2026
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IF 9.7
Weilong Shao,Delai Jiao,Shanzhe Li,Biao Lu,Bo Liu,Chunling Zhang,Feifei Zhang
Lithium‑sulfur batteries (LSBs) have attracted significant attention as promising energy storage and power sources due to their exceptionally high energy density (2600 Wh kg −1 ) and the low cost of active sulfur materials. However, their practical deployment is hindered by the severe polysulfide shuttle effect and the poor thermal stability of commercial polypropylene (PP) separators, which tend to shrink at elevated temperatures and cause internal short circuits. In this study, a flame-retardant and lithium polysulfides (LiPSs)-anchoring material (SiO 2 @PD) is synthesized and coated onto PP separators (SiO 2 @PD/PP) via a simple slurry-coating method. The synergistic LiPSs adsorption arises from strong interactions between the phosphorus‑oxygen double bonds (P=O) and hydroxyl groups (-OH) of PD and the Si–O–Si bonds of SiO 2 , effectively suppressing the LiPSs shuttle effect and facilitating Li + transport. Moreover, the release of phosphorus species from PD at elevated temperatures, together with the thermal barrier provided by SiO 2 , significantly enhances flame retardancy and ensures structural integrity under high-temperature operation. Benefiting from these combined effects, LSBs employing SiO 2 @PD/PP separators deliver exceptionally low capacity decay rate of 0.027% per cycle over 1000 cycles at 2.5C, and exhibit excellent thermal resilience, retaining 730.32 mA h g −1 after 100 cycles at 60 °C. This work provides a practical and scalable strategy for designing multifunctional separators toward high-performance and intrinsically safe LSBs.
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Frontiers in Bioengineering and Biotechnology
·
2026
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IF 4.8
Xiang Meng,Muzhou Xue,Zequn Zeng,Wenbin Pei,Bing Gong
Introduction: Bacterial wound infections that lead to sepsis pose a major clinical challenge. This study aims to develop and optimize a novel cross-linked poly(acrylic acid)/carboxymethylcellulose sodium (PAA/CMC-Na) hydrogel encapsulating liquiritigenin (LQ) to improve wound healing and infection control.Methods: The hydrogel matrix was optimized using response surface methodology (RSM). Mechanical properties, self-healing efficiency, and pH-responsive swelling behavior were characterized. In vitro drug release profiles were evaluated over 24 h, and molecular docking simulations were performed to assess the binding affinity of LQ to key sepsis targets. Biological safety was tested using CCK-8 and Trypan blue assays, while anti-inflammatory and antibacterial activities were evaluated using LPS-stimulated RAW264.7 macrophages and pathogen inhibition assays (E. coli and S. aureus).Results: The optimized hydrogel achieved a high model fit (R2 = 0.976$) and exhibited superior mechanical performance, including 776% tensile strain and 100% self-healing efficiency. Swelling was pH-responsive (∼600% at pH 5.5 vs. ∼450% at pH 7.4). LQ showed sustained release (>90% over 24 hours) and strong binding affinity to sepsis-related targets. Biological assays confirmed high biocompatibility (>98% fibroblast viability). Furthermore, the hydrogel significantly reduced inflammatory cytokines (TNF-α, IL-6, IL-1β) in a dose-dependent manner and effectively inhibited the growth of E. coli and S. aureus.Discussion: These findings demonstrate that the LQ-loaded hydrogel possesses excellent mechanical, biocompatible, and anti-inflammatory properties. Its dual-action as a pro-healing and antibacterial agent suggests it is a promising candidate for topical wound management and the prevention of infection-induced sepsis.
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CARBON
·
2026
·
IF 11.6
Lijuan Cai,Shengxiang Xiong,Jun Chen,Yu Su,Jiyuan Cong,Gang Chen,Chengjun Dong,Hongtao Guan
In response to the burgeoning challenge of electromagnetic wave pollution, the development of high-performance electromagnetic wave absorbing materials with strong attenuation capability is urgently needed. In this study, a MXene/NiO nanowire hybrid aerogel was constructed via electrostatic self-assembly, leveraging a multi-mechanism synergistic loss strategy to significantly enhance the electromagnetic absorbing performance. The three-dimensional conductive network of the material optimizes impedance matching, facilitating electromagnetic wave penetration into the interior for multiple reflections and scattering, thereby reducing surface reflection. Simultaneously, the highly conductive MXene contributes to substantial conduction loss, while abundant defects (graphitic defects, oxygen-containing groups) and heterogeneous interfaces (MXene-NiO) induce notable dipole and interfacial polarization losses. Furthermore, the nano-heterostructure formed between NiO nanowires and MXene enhances interfacial polarization through charge accumulation at the interfaces. Benefiting from these synergistic loss mechanisms, the optimized aerogel exhibits exceptional electromagnetic wave absorption performance, achieving a minimum reflection loss ( RL min ) of −53 dB at a thickness of 1.6 mm and an effective absorption bandwidth (EAB) of 4 GHz. Our findings propose an innovative materials design doctrine enabling precise multi-scale regulation of electromagnetic wave absorption in aerogels.
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SEPARATION AND PURIFICATION TECHNOLOGY
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2026
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IF 9
Yi Xu,Gao Liu,Fukun Liu,Yurun Zhao,Qichao Ran
Accidental spills of hazardous and flammable liquids, such as aviation kerosene and industrial lubricants, pose severe environmental and safety risks, especially under extreme temperature conditions where conventional cleanup materials fail. Existing adsorbents are plagued by a performance trilemma, lacking the combined mechanical resilience, high adsorption capacity, and thermal stability required for effective remediation. Here, inspired by the human capillary system, we developed a biomimetic polyimide/polybenzoxazine (PI/PBOZ) aerogel with a layered “fiber-node-pore” structure. Among them, flexible PI nanofibers constitute the continuous scaffold (fibers, mimicking the compliant vascular walls), while rigid crosslinked PBOZ domains selectively localize at fiber junctions to function as “chemical rivets” (nodes, formed via strong intermolecular hydrogen bonding between phenolic hydroxyl groups on cured PBOZ and carbonyl groups on PI). The large interconnected voids between these riveted fibers form open macropores (pores, emulating the luminal channels for fluid transport). The optimized aerogel demonstrates an unprecedented combination of ultralow density (5.2 mg cm −3 ), super-resilience (98% recovery after 90% strain), and massive oil uptake (up to 276 g/g for high-viscosity oils). Crucially, it maintains functionality after direct flame exposure and in cryogenic environments (−140 °C), with a low thermal conductivity of 0.0248 W m −1 K −1 . The material's reusability is demonstrated through combustion-based regeneration, enabling complete oil removal without generating secondary liquid waste. This strategy establishes a robust and generalizable route to high-performance porous materials for mitigating hazardous oil spills and managing thermal risks in extreme industrial and aviation environments.
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ENERGY
·
2026
·
IF 9.4
Hui Wan,Chen-Xiang Zhang,Chen-Le Peng,Jian-Hang Nie,Ming-Hua Xian,Zi-Xuan Yang,Lei Li,Yang Liu,Zhen Peng,Shi-Yan Ning,Guang-Dong Liu,Han Chen,Gui-Fang Huang,Wei-Qing Huang
Crystalline-amorphous heterointerfaces, enriched with unsaturated coordination sites and tunable electronic structures, hold great potential for accelerating the hydrogen evolution reaction (HER). However, conventional synthesis strategies provide little control over their density and spatial distribution. Here, by tailoring the Fe composition in NiFe x P, we achieve dynamic phase evolution that drives extensive dissolution-redeposition of Fe 2 P domains, producing dense defect-rich, sub-nanometer amorphous NiFeOOH on NiFe x P (NiFeOOH@NiFe x P). This process enables precise regulation of interface density and establishes intimate crystalline-amorphous junctions. Density functional theory calculations reveal that such interfaces synergistically activate a dual-pathway mechanism: amorphous NiFeOOH reduces the water dissociation barrier to 0.834 eV, while crystalline NiFe x P weakens H* binding via d-band modulation, jointly overcoming the kinetic bottleneck. As a result, the activated NiFeOOH@NiFe 0.2 P catalyst exhibits an ultralow overpotential (only 20 mV at 10 mA cm -2 ), a low Tafel slope of 35.86 mV dec -1 , and remarkable durability (20 mA cm -2 for over 60 h). This work highlights interface-density engineering as a powerful route to break the kinetic bottleneck of alkaline HER.
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