JOURNAL OF HAZARDOUS MATERIALS
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2026
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IF 10.6
Qingsong Zhang,Xihao Li,Longwei Zhang,Yang Xiao,Qingyi Zeng
Reducing soluble U(VI) to insoluble U(IV) is an efficient uranium extraction strategy. However, the two axial oxygen atoms in uranyl (UO 2 2 + ) create a kinetic barrier to electron transfer, hindering U(VI) reduction. Here, we present an innovative strategy that leverages the hydrogen evolution reaction (HER) to generate a localized alkaline microenvironment at the catalyst surface; OH⁻ accumulation rapidly precipitates UO 2 2 ⁺ as insoluble UO 2 (OH) 2 , enabling efficient uranium extraction from water. In this process, the S-rich hollow MoS 2+x with high HER activity, which was derived from the Mo-MOF grown on carbon felt (CF), was used as the cathode (MoS 2+x /CF) in a photovoltaic-driven electrocatalytic system. The anode consists of a TiO 2 nanorod array on FTO glass, coupled with a rear-mounted silicon solar cell. Due to the localized alkaline microenvironment formed by the HER on the MoS 2+x /CF cathode surface, this electrocatalytic system achieves 99.8% uranium removal from uranium-containing wastewater within 30 min of illumination. Density functional theory (DFT) calculations and experimental results confirm that unsaturated edge S atoms in MoS 2+x significantly enhance HER activity. Additionally, the electron transfer between uranium and edge S enhances uranium adsorption and promotes its interfacial reaction with OH*. This work opens new perspectives for uranium extraction from aqueous solutions.
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JOURNAL OF POWER SOURCES
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2026
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IF 8.4
Jingjing Liu,Huiye Wei,Jingcui Huang,Li Li,Yaping Ding,Shengze Yu,Jiang Gong,Minmin Liu
Advancing high-performance and durable bifunctional electrocatalysts capable of mutually driving oxygen/hydrogen evolution reaction (OER/HER) represents pivotal step towards sustainable hydrogen production. This study proposes an innovative three-dimensional porous heterostructure catalyst (NiFe-LDH/MOF/NFF) by encapsulating NiFe-metal organic framework (NiFe-MOF) on nickel-iron foam (NFF) with NiFe-layered double hydroxide (NiFe-LDH) nanosheets via a continuous solvothermal-hydrothermal method. The resulting heterostructure exhibits abundant interfaces with more exposed active sites and optimized electronic configurations, where the enhanced interfacial charge transfer facilitates to enhance bifunctional catalytic performance in alkaline media. The catalyst establishes exceptional OER property with low overpotentials for OER ( η 10 = 190 mV, η 100 = 204 mV and η 500 = 237 mV) and HER ( η 10 = 98 mV). DFT calculations elucidate that the superior performance stems from the LDH/MOF interfacial electron redistribution, synergistic Ni-Fe site interactions and optimized adsorption energetics to reaction intermediates. When employed as an overall water splitting system, it merely requires low voltages of 1.527 and 1.687 V to drive 10 and 100 mA cm −2 with a robust stability for over 120 h. It highlights great potential in alkaline freshwater and simulated seawater electrolysis applications. The interfacial electronic modulation provides a valuable guidance for rational designing electrocatalysts for future energy conversion applications.
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SEPARATION AND PURIFICATION TECHNOLOGY
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2026
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IF 9.1
Shiyu Zhang,Zhiruo Li,Jia Tong,Xingxing Shi,Yue Xu,Lijuan Zhang,Haikuan Yuan,Yan Zhang,Jie Lu
A chiral metal-organic framework, [Zn( NCG )bpy] n (NCG = N-(4-aminobenzoyl)- L-glutamic acid; bpy = 4,4′-bipyridine), was meticulously designed and synthesized for the first time and thoroughly assessed for its extensive chiral recognition abilities. This MOF features an average pore size of 7.12 nm and is constructed from enantiopure N-(4-aminobenzoyl)-L-glutamic acid ligands, which provide functional sites for the highly enantioselective adsorption and separation of various chiral compounds. The chiral recognition ability of [Zn( NCG )bpy] n was initially tested with batch adsorption of ( R )- and ( S )-dropropizine enantiomers at various starting concentrations and solution pH levels. A dispersive solid-phase extraction (dSPE) strategy coupled with high-performance liquid chromatography (HPLC) was then employed to assess its competitive chiral resolution efficacy toward four structurally distinct racemates: ( R , S )-dropropizine, ( R , S )-tetramisole hydrochloride, (D,L)-phenylalanine, and (D,L)-aspartic acid. The [Zn( NCG )bpy] n exhibited remarkable enantioseparation capability toward smaller amino acid molecules, with an enantiomeric excess ( ee ) of 46.17 ± 1.39% and a separation factor of 2.72 ± 0.10 for (D,L)-phenylalanine in a single batch separation. X-ray photoelectron spectroscopy (XPS), combined with the Independent Gradient Model based on Hirshfeld partition (IGMH) isosurface analysis and binding energy computations, elucidated the underlying recognition mechanism at the atomic level. The results conclusively showed that chiral resolution is primarily regulated by non-covalent host-guest interactions.
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INDUSTRIAL CROPS AND PRODUCTS
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2026
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IF 6.4
Chenguang Zhang,Chuancheng Dongye,Chenglong Yuan,Mengran He,Zhihe Li,Weiming Yi,Andong Zhang,Shaoqing Wang
The deoxygenation and alkylation reactions during the co-pyrolysis of lignin and SBC were investigated. • Mo-doped biochar increased alkylphenols selectivity from 6.5% to 33.0%. • In-situ DRIFTS and DFT calculations were used to investigate the pyrolysis mechanism. • The electron-donating effect of methoxy groups facilitated the adsorption of methoxyphenols onto the catalyst. • The formation mechanism of alkylphenols was proposed. Lignin pyrolysis is a sustainable pathway for synthesizing high-value alkylphenol chemicals and fuels. In this study, the co-pyrolysis process of lignin and spent bleaching clay was investigated for producing alkylphenols. The effects of different metal-loaded biochars, pyrolysis temperatures, and lignin-derived phenolic compounds on the distribution of pyrolysis products were examined. The results showed that the total acid content in Mo/C was 3.39 times higher than that in the pristine carbon. Additionally, Mo/C exhibited the highest number of weak acid sites (56.0%), abundant surface oxygen-containing functional groups, and a microporous structure. These characteristics facilitated both the cleavage of methoxy groups (C Ar –OCH 3 ) and the occurrence of aromatic C–C coupling reactions, thus increasing the selectivity of alkylphenols from 6.5% to 33.0%. Alkylphenol yield peaked at 500°C, whereas higher temperatures favored demethoxylation over coupling. Methoxyphenol exhibited an approximately 20–25% higher alkylation rate than phenol. Electrostatic potential calculations attributed this enhancement to the electron-donating effect of the methoxy group, which facilitated its attack by electrophilic alkyl fragments. In-situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) revealed the anchoring of phenolic intermediates on the Mo/C surface through Mo–O bonds. Charge difference calculations revealed electron transfer between the oxygen-containing functional groups of phenolic compounds and the Mo/C catalyst, thereby activating the C–O bond. Alkylphenols were generated through two distinct pathways: the deoxygenation of methoxyphenols and the coupling reaction between phenol and alkyl fragments. The deoxygenation pathway was more energetically favorable. This study provides insight into the low-cost and efficient production of green alkylphenol compounds. Download: Download high-res image (202KB) Download: Download full-size image
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SEPARATION AND PURIFICATION TECHNOLOGY
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2026
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IF 9.1
Jianwen Hu,Guanzhong Ma,Xinyu Yuan,Junjie Fan,Jian Yang,Jingwen Wang,Chunling Li,Shuangqing Sun
Deep oxidative desulfurization (ODS) of fuels in biphasic systems is fundamentally limited by sluggish liquid-liquid interfacial mass transfer and poor intrinsic affinity between catalysts and hydrophobic sulfur substrates. To overcome these bottlenecks, we rationally designed phosphotungstic acid (HPW)-anchored SiO 2 Janus nanosheets (JNSs) grafted with flexible n-hexyl (C6-JNS@HPW) or rigid phenyl (pH-JNS@HPW) groups to construct a high-efficiency Pickering interfacial catalytic (PIC) system. Systematic evaluation revealed a dynamic competitive mechanism between physical interfacial expansion and molecular electronic interactions. At a low catalyst dosage, flexible C6 chains endow superior dispersibility and a larger reactive interfacial area, achieving a 6.85% higher desulfurization rate than the Ph-modified counterpart. In contrast, pH-modified JNSs exhibit superior reaction kinetics under interface-saturated conditions. DFT calculations confirm that electron-rich Ph groups induce targeted π-π stacking interactions with DBT, optimize the local electronic microenvironment, and synergistically accelerate the deep oxidation of DBT dominated by superoxide radicals. This work shifts the paradigm of multiphase catalyst design from bulk empirical synthesis to precise microenvironmental engineering, providing critical insights into the interplay between interfacial and electronic effects.
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APPLIED THERMAL ENGINEERING
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2026
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IF 7.5
Wenzhu Lin,Jing He,Huahui Dai,Wen Su,Changhong Wang
A dual-layer radiative-PCM system is proposed for all-day thermal regulation. • The synergistic design enables continuous day-night passive thermal regulation. • Sub-ambient cooling of up to 9 °C is achieved through radiative-PCM synergy. • The dual-layer system enables good applicability for passive thermal management. Radiative cooling is a promising passive strategy for temperature reduction without energy input, yet its application is often limited by overcooling and poor thermal stability under dynamic conditions. Here, a dual-layer adaptive cooling system integrating a radiative cooling (RA) layer with a phase change material (PCM) is developed to achieve continuous day-night thermal regulation. The electrospun PVDF-HFP membrane exhibits high solar reflectivity (>96.2%) and strong infrared emissivity (>95%), enabling efficient solar rejection and radiative heat dissipation, while the paraffin-based PCM provides a large latent heat of 158 J/g for thermal storage. The synergistic coupling of radiative cooling and phase-change heat storage enables dynamic temperature regulation across the diurnal cycle. Under solar irradiation, the RA layer suppresses heat gain and dissipates thermal energy, while the PCM absorbs excess heat, achieving sub-ambient cooling. At night, PCM releases stored heat to prevent overcooling and maintain thermal stability. Outdoor experiments demonstrate a maximum cooling of 9 °C below ambient and a delayed temperature rise of ∼45 min. To further evaluate its application potential, the system is investigated through building energy simulations and climate-based performance analysis. The results indicate reduced cooling-energy demand and carbon emissions across representative climate regions, with annual cooling-energy savings of up to 79.16 GJ. This work demonstrates an adaptive passive thermal-regulation strategy by integrating radiative cooling with phase-change thermal storage, providing a promising approach for energy-efficient thermal management. Download: Download high-res image (213KB) Download: Download full-size image
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DESALINATION
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2026
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IF 9.9
Jilong Han,Ruyi Shi,Mochi Li,Huanzhang Lu,Yijian Zheng,Pengfei Li,Jisheng Li
Dense LLTO-Al 2 O 3 membrane (∼20 μm) for /Li + from high Mg 2+ /Li + brine. • Optimised LLTO (x = 0.11, 1250 °C/6 h): tetragonal, 3.26 × 10 3 S/cm. • La-poor/La-rich enables 2D Li + transport; Mg 2+ blocked by size. • Intergranular defects are main pathway for Mg 2+ co-permeation. • Selectivity 16.06, 99.61% Mg 2+ rejection (6 h); energy 23.21 kW·h (24 h). To solve the problem of lithium extraction from salt lake brine with a high magnesium‑lithium ratio, a composite ceramic membrane electrodialysis technology based on perovskite-type superionic conductor Li 3x La 2/3-x TiO 3 (LLTO) was proposed. LLTO powder was synthesised by the sol-gel method. The lithium doping amount (x = 0.11), sintering temperature (1250 °C) and time (6 h) were systematically optimised to obtain tetragonal LLTO with high ionic conductivity (3.26 × 10 −3 S/cm). Then, the LLTO-Al 2 O 3 composite film was prepared by a spin coating process (PVA content of 20%, LLTO solid content of 0.08 g/mL, spin coating 10 times) with porous alumina as the substrate. After calcination at 1275 °C for 6 h, a dense film with a thickness of about 20 μm was formed. Molecular dynamics simulations show that the two-dimensional selective transport of Li can be realised in the LLTO inner layer based on the La-poor / La-rich alternating structure, while Mg 2+ is hindered by the size effect. Intergranular defects are the main pathway leading to the co-permeation of Mg 2+ . The electrodialysis experiment showed that the membrane had good selectivity (selectivity coefficient 16.06) and Mg 2+ rejection rate (99.61%) for Li at the initial stage of operation (6 h), and the energy consumption was 23.21 kWh after 24 h of electrodialysis. This study provides a reference for membrane material design, preparation process and transmission mechanism for lithium extraction from high magnesium‑lithium ratio brine, and has potential application value.
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JOURNAL OF CATALYSIS
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2026
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IF 6
Shaozhi Liu,Honggang Zhang,Zeyan Wang,Hefeng Cheng,Peng Wang,Zhaoke Zheng,Ying Dai,Baibiao Huang,Yuanyuan Liu
Catalytic ozonation offers a promising approach for removing perfluorinated compounds, yet developing catalysts with both high activity and stability remains a great challenge due to severe metal ions leaching. Herein, we design a Mn single atom decorated γ-AlOOH catalyst (denoted as Mn x /γ-AlOOH), which displays efficient catalytic ozonation towards perfluorooctanoic acid (PFOA) removal. Under optimal conditions, Mn 2.2 /γ-AlOOH achieves a defluorination ratio of 99.39% after 15 h of catalytic ozonation process, with a distinctive low leaching percentage (0.52% for Mn and 0.21% for Al, compared to 10.44% for Mn leaching from MnO 2 and 0.95% for Al leaching from γ-AlOOH). Comprehensive analysis indicates that the introduction of Mn single atom optimizes the electronic structure and provides an additional indirect electron transfer pathway, which not only facilitates O 3 activation, but also reduces Mn ion leaching by decreasing electron loss, and simultaneously enhances the activity and stability of the catalyst. This work provides new insights into enhancing the activity and stability of catalysts during the catalytic ozonation process via the rational design of atomically dispersed sites.
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CHINESE JOURNAL OF CHEMICAL ENGINEERING
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2026
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IF 3.5
Mi Yan,Cao Miao,Teng Cang,Xiangzhi Kong,Yan Zhang,Shuai Liu,Dan Wang,Ekkachai Kanchanatip
UiO-66 MOF was functionalized with dual ligands namely BDC-NH 2 and BDC-(OH) 2 . • Selective CO 2 /CH 4 adsorption were investigated at atmospheric and high pressures. • The highest CO 2 /CH 4 selectivity of 35.60 was achieved with 10%H-ZrMOF-A adsorbent. • CO 2 adsorption capacity of the adsorbent remained over 91.5% after five reuses. Selective CO 2 /CH 4 separation is essential for biogas valorization, yet conventional adsorbents typically face a trade-off between adsorption capacity and selectivity. In this work, a dual-ligand engineering strategy is implemented on UiO-66-NH 2 (ZrMOF-A) by co-incorporating 2,5-dihydroxyterephthalate (BDC-(OH) 2 ) to create a series of mixed-ligand MOFs denoted X %H-ZrMOF-A ( X = 5%–50% (mass)). The materials were synthesized via a solvothermal route and systematically characterized by N 2 physisorption, powder X-ray diffraction, FTIR spectroscopy, and SEM to elucidate structure-property relationships. Increasing hydroxyl content progressively modified surface area, pore volume, and morphology, with excessive BDC-(OH) 2 loading (>30% (mass)) inducing pronounced structural degradation. Among the series, 10%H-ZrMOF-A exhibited the most favorable balance between textural properties and functional site density, achieving a CO 2 uptake of 1.352 mmol·g –1 and a CO 2 /CH 4 selectivity of 35.60 at 100 kPa and 25 °C for a 40:60 CO 2 :CH 4 mixture predicted by IAST. Multi-model isotherm analysis identified the Freundlich and Elovich models as the most suitable descriptions of CO 2 adsorption, confirming a heterogeneous adsorption landscape arising from the coexistence of amine and hydroxyl sites. Complementary DFT calculations showed that dual functionalization strengthens CO 2 binding while weakening CH 4 interactions, consistent with the experimentally observed enhancement in selectivity. Pressure-dependent measurements revealed that high CO 2 /CH 4 selectivity at low pressures (≤100 kPa) diminishes at elevated pressures as non-selective pore filling becomes dominant, indicating that 10%H-ZrMOF-A is particularly suited for low-pressure biogas upgrading and post-combustion CO 2 capture. Five consecutive adsorption-desorption cycles demonstrated 91.5% capacity retention, confirming moderate short-term recyclability under mild thermal regeneration conditions. Download: Download high-res image (204KB) Download: Download full-size image
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APPLIED SURFACE SCIENCE
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2026
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IF 6.6
Yanqiu Zhang,Hongwei Zhao,Zhaowen Tian,Zheyan Tang,Lixiang Li,Xueyuan Zhang,Baigang An
Controlled in-situ CeO 2 growth on CNF was achieved via cerium/PAN ratio. • Rough CeO 2 /CNF surface reduces interfacial porosity through mechanical interlocking. • The composite coating combines CNF physical barrier with CeO 2 passivation. • CeO 2 /CNF/EP coating offers superior corrosion protection for carbon steel. Cerium oxide (CeO 2 ) nanoparticles and carbon nanofibers (CNF) are promising fillers for prolonging the service life of epoxy resin (EP) coatings, valued for their corrosion inhibition and mechanical strength. However, their direct application in EP coatings often results in inadequate anti-corrosion performance due to weak interfacial interactions and agglomeration. Here, CeO 2 nanoparticles were in-situ grown on the CNF surface (CeO 2 /CNF) by controlling the amount of cerium salt to polyacrylonitrile, using electrospinning, oxidation, and carbonization processes. The rough CeO 2 /CNF surface provides a larger contact area with the epoxy matrix, promoting strong mechanical interlocking, therefore it can reduce interfacial porosity and improve the barrier properties of the composite coating. The optimized coating of CeO 2 -3/CNF/EP exhibited an excellent anticorrosion performance. The electrochemical impedance spectroscopy (EIS) results showed that the |Z| 0.01 Hz value of CeO 2 -3/CNF/EP coating decreased from 3.65 × 10 8 Ω cm 2 to 1.26 × 10 8 Ω cm 2 after immersion in a 3.5 wt% NaCl solution for 56 days, remaining two orders of magnitude higher than that of pure EP coating and superior to the other coatings. The outstanding corrosion resistance is attributed to the synergistic effect of the mechanical interlocking provided by rough CNF and the corrosion inhibition of a passive film resulted by CeO 2 nanoparticles. Download: Download high-res image (252KB) Download: Download full-size image
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JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
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2026
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IF 5.9
Yadong He,Changsheng Tang,Zhangyong Li,Shu Zhao,Yixin Kang,Yangxin Zhang,Xinzhan Wang,Ling Li
A hierarchical CCO@ZWO core-shell architecture was fabricated on nickel foam. • Binder-free CCO@ZWO/NF electrode delivers 3670 mF cm −2 at 1 mA cm −2 . • The CCO@ZWO/NF//AC/NF ASC retains 87.75% capacitance after 7800 cycles. • The ASC device achieves 0.198 mWh cm −2 at 0.75 mW cm −2 . One heavily relied-upon strategy for achieving advanced electrode materials with superior properties for asymmetric supercapacitors (ASCs) is the rational design of hierarchical core-shell heterostructures on conductive substrates. In this work, a well-defined urchin-like CuCo 2 O 4 @ZnWO 4 (CCO@ZWO) core-shell heterostructure was successfully fabricated on porous nickel foam (NF) via a simple two-step solvothermal process, followed by thermal annealing. The hierarchical structure is composed of CuCo 2 O 4 nanoneedles serving as the conductive core, with ZnWO 4 nanosheets uniformly anchored as the shell layer, which collectively provides an extensive specific surface area with a high density of electroactive centers and favorable ion/electron transport kinetics. With a binder-free architecture, the CCO@ZWO/NF composite delivers a high areal capacitance of 3670 mF cm −2 at a current density of 1 mA cm −2 , enabling the assembly of an asymmetric supercapacitor with CCO@ZWO/NF as the positive electrode and NF-supported activated carbon as the negative electrode. The device exhibited a cycling stability that was evaluated over 7800 cycles at 4 mA cm −2 , showing a capacitance preservation of 87.75%, while a capacitance per unit area of 633.7 mF cm −2 was obtained at 1 mA cm −2 . The remarkably improved electrochemical performance stems from the cooperation between the two components and the robust core-shell architecture, which effectively mitigates volume expansion and structural collapse during repeated cycling. These findings underscore the considerable promise of the designed CCO@ZWO core-shell heterostructure in serving as an advanced electrode material, offering a viable pathway for exceptional energy storage applications. A biomimetic urchin-like CuCo 2 O 4 @ZnWO 4 core-shell heterostructure was grown on nickel foam via a two-step solvothermal method with subsequent annealing. The hierarchical architecture provides a large specific surface area, abundant active sites, and fast ion/electron transport. The CCO@ZWO/NF electrode delivers a high areal capacity of 3670 mF cm −2 at 1 mA cm −2 , and the ASC device achieves an energy density of 0.198 mWh cm −2 with 87.75% retention after 7800 cycles. This superior performance stems from the synergistic interplay between the core-shell morphology and the multi-metal oxide composition. Download: Download high-res image (352KB) Download: Download full-size image
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DENTAL MATERIALS
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2026
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IF 6.3
Tianjia Huang,Huan Chen,Shuwei Qiao,Boyu Sun,Shuyao Zheng,Haiya Liao,Zuosen Shi,Song Zhu
A multifunctional Myr@ZIF-8 nanoplatform was developed for dentin bonding. • Myr@ZIF-8 exhibited pH-responsive release of myricetin and Zn²⁺. • Myr@ZIF-8 enhanced antibiofilm activity against Streptococcus mutans . • Myr@ZIF-8 stabilized dentin collagen and suppressed MMP activity. • The modified adhesive significantly improved dentin bonding durability. Objectives This study aimed to develop a myricetin-loaded ZIF-8 (Myr@ZIF-8)-modified universal adhesive with antibacterial, collagen-stabilizing, and matrix metalloproteinase (MMP)-inhibitory properties to improve bonding durability. Methods Myr@ZIF-8 nanoparticles were synthesized and characterized. Myr loading efficiency, drug loading, and pH-responsive release were evaluated. Myr@ZIF-8 was incorporated into a universal adhesive at 2.5–10 wt%, and the optimal concentration was selected according to degree of conversion, dentin wettability, and antibiofilm activity. Dentin collagen stability, MMP-mediated gelatinolytic activity, microtensile bond strength (μTBS), interfacial nanoleakage, interfacial mechanical properties, and in vitro cytocompatibility were evaluated. Short-term systemic toxicity was preliminarily assessed by oral gavage of cured adhesive extracts. Molecular docking was performed to investigate potential interactions between myricetin and collagen, MMP-2, and MMP-9. Results Myr@ZIF-8 exhibited a Myr loading efficiency of 50.72%, drug loading of 50.36%, and pH-responsive release. The adhesive containing 5 wt% Myr@ZIF-8 showed the best overall performance, including enhanced antibiofilm activity, improved collagen stability, and reduced MMP-mediated gelatinolytic activity. Incorporation of 5 wt% Myr@ZIF-8 increased immediate μTBS from 22.79 MPa to 32.07 MPa and aged μTBS after 10,000 thermocycles from 13.91 MPa to 27.99 MPa. Molecular docking predicted potential interactions between myricetin and collagen, MMP-2, and MMP-9. The modified adhesive showed acceptable in vitro cytocompatibility, with no obvious short-term systemic toxicity after oral gavage of cured adhesive extracts. Significance These findings demonstrate that Myr@ZIF-8 functions as a multifunctional bioactive nanoplatform and represents a promising strategy for improving bonding durability. Download: Download high-res image (189KB) Download: Download full-size image Schematic diagram of the experimental process.
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危险品化学品经营许可证（带存储）