Chemical Science
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2026
·
IF 8.1
Siyuan Ren,Muhammad Abbas,Zhibin Xie,Zilin Lu,Jasim Yousaf,Muhammad Ishaq,Zhuanghao Zheng,Jun Zhao,Shuo Chen,Guangxing Liang
The development of efficient and stable photocathodes from earth-abundant materials is a critical challenge for photoelectrochemical (PEC) hydrogen production. While Cu2ZnSnS4 (CZTS) is a promising absorber due to its ideal bandgap and non-toxic constituents, its performance is plagued by severe interfacial recombination. This work addresses this limitation through the precise engineering of a zinc-titanium oxide (Zn,Ti)O electron transport layer (ETL) in Mo/CZTS/CdS/(Zn,Ti)O/Pt photocathodes. We systematically investigate the influence of atomic-layer-deposited (Zn,Ti)O on the heterojunction's microstructure, band alignment, and charge transfer kinetics. A suite of characterization studies reveals that a suitable ETL thickness forms a dense, conformal coating and establishes an optimal spike-like conduction band offset at the CdS/(Zn,Ti)O interface, which minimizes bulk and interfacial charge-transfer resistance. Consequently, the optimized photocathode achieves a remarkable photocurrent density of 29.2 mA cm−2 at 0 VRHE and a high half-cell solar-to-hydrogen efficiency (HC-STH) of 7.02%. This study demonstrates that fine control of composite ETLs is a powerful strategy to unlock the potential of CZTS and related earth-abundant absorbers for scalable solar fuel production.
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高影响因子
Journal of Energy Storage
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2026
·
IF 10.7
Zonglin Li,Yifan Zhang,Hongping Tong,Zheng Xing,Qingguo Zhang
Aqueous zinc-ion batteries (AZIBs) are susceptible to interface dendrite problems resulting from the high-water content and the unstable solid electrolyte interface (SEI), leading to suboptimal cycle stability. Here, a hybrid hydrogel electrolyte for AZIBs was designed through the synergistic regulation of chains and aprotic polar solvent (APS). By the polar groups in the chain and the solvation ability of the additives, the Zn 2+ ions solvation structure was synergistically optimized, thereby increasing the Zn 2+ ions transfer number (0.79) and achieving high ionic conductivity (28.04 mS cm −1 ) of PS-TG4 5% electrolyte. Moreover, the additives enhance the interfacial interaction of the hydrogel matrix, thereby forming a stable hybrid SEI (ZnO, ZnS and ZnCO 3 ). This helps the reaction rate of the interface and regulates zinc deposition/dissolution over time. Ultimately, the effective inhibition of side reactions and hydrogen evolution reaction (HER) enables the assembled AZIBs to possess excellent safety (using under physical damage) and long-term cycling stability (capacity retention of 75.6% after over 2700 cycles). This research provides valuable inspiration for designing hydrogel electrolytes with high ionic mobility, toughness and stability, with great potential for use in energy storage applications.
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SEPARATION AND PURIFICATION TECHNOLOGY
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2026
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IF 9.1
Yaopeng Pu,Yuyu Wang,Fei Pan,Yulong Ma,Feng Lin,Wenxin Ji,Yuanyuan Li,Yonggang Sun
The escalating severity of global water scarcity and pollution necessitates the development of efficient and sustainable treatment technologies. Solar-driven interfacial evaporation presents an environmentally friendly, low-energy solution for both seawater desalination and wastewater treatment. In this study, we introduce a multifunctional integrated spherical evaporator composed of lignin-wrapped ZnFe 2 O 4 /chitosan‑carbon aerogel spheres (ZFO/CLCA), employing renewable chitosan as a three-dimensional flexible framework. By integrating ZnFe 2 O 4 , a visible-light-active semiconductor, with sodium lignosulfonate, known for its excellent photothermal conversion capabilities, we constructed a three-component organic hybrid featuring an in-situ formed hierarchical porous structure through a one-step carbonization process. The resulting ZFO/CLCA material demonstrates a high density of interconnected multiscale pores, a substantial specific surface area, and broad-spectrum absorption (93.48% across 250–2500 nm). Under simulated solar irradiation (1 kW m −2 ), this material exhibits an evaporation rate of 2.33 kg m −2 h −1 and a solar-to-steam conversion efficiency of 94.54%. The distinctive through-hole structure effectively prevents surface salt accumulation in high-salinity environments (3.5–20 wt% NaCl) via concentration-gradient-driven ion reverse diffusion, maintaining excellent long-term stability over 12 h of continuous operation. Importantly, during photothermal evaporation, the material concurrently catalyzes the degradation of organic pollutants, achieving an 87.10% degradation rate of tetracycline (100 mg L −1 ). In the context of real industrial wastewater treatment containing high salt concentrations and antibiotics, the evaporator produces clean effluent that complies with discharge standards. This study highlights a multifunctional spherical carbon aerogel evaporator that integrates efficient photothermal evaporation, salt resistance, and catalytic degradation, thereby, establishing a promising material platform for integrated solar-driven water treatment systems with both scientific significance and practical application potential.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2026
·
IF 9.6
Peng Lin,Yujie Li,Jun Wang,Shengjian Lin,Junheng Huang,Zhenhai Wen
While noble metal-based catalysts remain the most effective for the four-electron oxygen reduction reaction (ORR), nitrogen-doped carbon materials are promising non-metal alternatives. However, atomic-level modulation of pyridinic-N sites to rival Pt-based ORR activity remains a fundamental challenge. To address this, we developed a novel “defect-guided in situ atomic substitution” strategy. Using highly fluorinated graphene as a precursor, we achieved synchronous defluorination, graphitization, and precise nitrogen doping through a one-step thermochemical process. C F bond cleavage generates transient carbon vacancies that serve as anchoring sites, constructing a catalytic surface rich in pyridinic nitrogen. The resulting nitrogen-doped graphene catalyst (PN-G) exhibits outstanding bifunctional activity: for ORR, it achieves a half-wave potential of 0.86 V and an average electron transfer number of ∼3.90; for the hydrogen peroxide oxidation reaction (HPOR), its onset potential is reduced by over 0.5 V compared to the oxygen evolution reaction (OER). In situ Raman identified *O 2 − as a central role in bidirectional oxygen electrocatalysis (ORR and HPOR). Utilizing PN-G catalyst, we constructed a rechargeable zinc‑oxygen battery employing an H 2 O 2 -mediated electrolyte. This battery delivers a peak power density of 710 mW cm −2 and a round-trip energy efficiency of ∼96% at 5 mA cm −2 . This work not only establishes a controllable synthetic route for high-performance metal-free carbon catalysts but also provides a practical approach for designing efficient metal-air batteries.
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高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2026
·
IF 9.6
Yuanliang Yuan,Xiaocong Zhong,Xiangming Xiong,Hongxuan Xie,Ruixiang Wang,Zhifeng Xu,Xing Ou
Developing bifunctional oxygen electrocatalysts with excellent activity and durability is critical for scaling rechargeable zinc–air batteries (ZABs). Herein, we propose an integrated “etching–doping–phosphorization/carbonization” route to synthesize Ni 2 P/Co 2 P heterojunctions anchored on B,N,P co-doped carbon (Ni 2 P/Co 2 P-NPBC). Firstly, boric acid etching of the ZIF(Zn, Co, Ni) generates a bird-nest-like porous framework and simultaneously introduces boron; subsequent phosphorization/carbonization at 1000 °C yields Ni 2 P/Co 2 P nanocrystals uniformly anchored on the B, N, P co-doped carbon. It is confirmed that the carbon framework exhibits abundant defects and contains B, N, and P atoms chemically bonded to the matrix. This structure possesses a high surface area and a through-pore network, which ensure the exposure of active sites and facilitate rapid mass transport. Density functional theory (DFT) calculations show that boron doping markedly decreases charge density and upshifts the d-band center of Co sites in the Ni 2 P/Co 2 P heterojunction (from −1.26 to −0.87 eV), thereby raising the oxygen reduction reaction (ORR) limiting potential (from 0.34 to 0.69 V) and lowering the oxygen evolution reaction (OER) theoretical overpotential (from 0.89 to 0.54 V). Benefiting from these features, Ni 2 P/Co 2 P-NPBC in alkaline media delivers an ORR half-wave potential of 0.88 V (vs. 0.85 V for 20% Pt/C) and an OER overpotential of 264 mV at 10 mA cm −2 (vs. 308 mV for RuO 2 ). A lab-fabricated ZAB achieves an open-circuit voltage of 1.586 V, a peak power density of 180.8 mW cm −2 , a specific capacity of 816.2 mAh g −1 , an energy density of 1159.0 Wh kg Zn −1 , and 600 h stable cycling.
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MICROCHIMICA ACTA
·
2026
·Vol. 193
·期 4
·280
·
IF 5.4
Deng Gaoqiong,Lu Huanhuan,Han Yulong,Wang Shuo,Chen Hengye,Long Wanjun,She Yuanbin
Innovative cloud algorithms-assisted portable Zn-based fluorescent sensor arrays (ZnMOF-74 and Mn:ZnS QDs) are proposed for rapid, sensitive and on-site detection of four antibiotics, enrofloxacin (ENX), chlortetracycline (CTC), oxytetracycline (OTC) and tetracycline (TC). This sensor arrays for the first time utilize the Lewis acid-base regulation of ZnMOF-74 and the crystal field effect of Mn:ZnS QDs to generate characteristic fluorescent “fingerprints” for the four antibiotics. Through the optimization of various chemometric algorithms (PCA-LDA, PLS-DA, KNN and RF), the recognition accuracy of four antibiotics in the complex matrix reached 98%. Moreover, a homemade smartphone APP based on cloud machine learning algorithms was developed, enabling rapid and accurate multiplexed detection with LODs of 8.9 nmol/L, 4.1 nmol/L, 5.7 nmol/L, and 6.7 nmol/L for ENX, CTC, OTC, and TC, respectively. The corresponding limits of quantification (LOQs) were 26.7 nmol/L, 12.3 nmol/L, 17.1 nmol/L, and 20.1 nmol/L, respectively. The proposed method was successfully applied to the detection of antibiotics in milk, honey, and beef samples, with satisfactory recoveries ranging from 97.33% to 107.40% and relative standard deviations (RSDs) below 5.63%, indicating good accuracy and reliability for real sample analysis. This work demonstrates the immense potential for universal, high-throughput, and accurate multi-target detection, providing transformative solutions in food safety.
Section
Graphical abstract
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高影响因子
CARBON
·
2026
·
IF 12.7
Dapeng Wang,Chang Wen,Ruonan Li,Xinyi Wang,Yuting Wu,Youjian Zhu,Wenjie Gang
Aqueous zinc-ion batteries (AZIBs) are promising for grid-scale energy storage, yet their cathodes often suffer from low electronic conductivity, which aggravates polarization and accelerates cycling-induced contact loss. Here, we clarify the role of conductive-network architecture in layered V 2 O 5 composite cathodes by fixing the external conductive carbon additive content at 10 wt% and systematically varying the mass ratio between 0D Ketjen black (KJ) and 1D vapor-grown carbon fibers (VGCF). The optimized formulation, denoted as KV55 with a KJ to VGCF ratio of 5 to 5, forms a hierarchical point-line hybrid electronic percolation network in composite electrodes, in which VGCF provides a continuous long-range conductive scaffold and KJ generates dense local contact nodes that bridge active particles and fibers. As a result, KV55 achieves the highest in-plane conductivity of 24.65 S cm −1 and the lowest interfacial charge-transfer resistance among the tested electrodes, leading to reduced polarization and improved rate capability. It delivers a high reversible capacity of 475.8 mAh g −1 at 0.2 A g −1 and sustaining 250.1 mAh g −1 at 20 A g −1 . Under long-term cycling at 10 A g −1 , KV55 maintains 341.6 mAh g −1 after 4000 cycles, corresponding to 87.8% capacity retention. These results provide a practical guideline for constructing carbon-efficient conductive networks that mitigate electronic-transport limitations and stabilize electrode contacts in low-conductivity layered cathodes.
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JOURNAL OF ALLOYS AND COMPOUNDS
·
2026
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IF 6.7
Ming Zeng,Haiting Shi,Wenhui Cui,Xianyan Wu,Shuaitong Liang,Wei Wang,Nishonov Akbarjon,Zhiwei Xu
Non-precious metal catalysts have emerged as the leading candidate to replace platinum-based catalysts due to their cost-effectiveness. However, the sluggish oxygen reduction kinetics and inadequate durability limit their application in zinc-air battery technology. Herein, we demonstrate a facile strategy to construct a hierarchical architecture of N-doping γ-graphyne-supported carbon nanotubes encapsulating cobalt nanoparticles (Co@N-CNT/N-GY). This unique structure prevents the aggregation and exfoliation of nanoparticles, thereby enhancing the catalysts durability. Synchrotron radiation absorption spectroscopy confirms the presence of Co-N x coordination in Co@N-CNT/N-GY, which contributes to promote the oxygen reduction reaction. Density-functional theory calculations further reveal that nitrogen doping in carbon nanotubes induces substantial charge redistribution among adjacent carbon atoms, facilitating the formation of the OOH* intermediate and lowering the overall Gibbs free energy barrier. Moreover, the open-pore architecture of N-doping γ-graphyne promotes the rapid diffusion of dissolved oxygen and creates abundant gas-liquid-solid interfaces, thereby boosting the Oxidation-reduction reaction (ORR) kinetics. As a result, the Co@N-CNT/N-GY catalyst delivers a high specific capacity (723 mAh g −1 ) and excellent power density (135.86 mW cm −2 ) when employed in a zinc-air battery. This study provides valuable insights for designing the γ-graphyne-supported non-precious metal ORR electrocatalyst with high activity and durability.
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APPLIED CATALYSIS A-GENERAL
·
2026
·
IF 4.8
Linlin Wang,Bingjie Liu,Meng Liu,Jikun Li,Jinglei De,Yangchuan Ke
A BiOCl/ZIS heterojunction was constructed by ultrasound-assisted assembly. • Interfacial coupling induced directional redistribution of photocarriers. • 3-BZ efficiently degraded concentrated RhB, CR, and TC under visible light. • 3-BZ achieved efficient photocatalytic H₂O₂ production under visible light. • In situ XPS and DFT supported type-II electron transfer from ZIS to BiOCl. An ultrasound-assisted assembly route was used to construct a BiOCl/Zn₃In₂S₆ (ZIS) heterojunction for visible-light-driven pollutant degradation and H₂O₂ production. After 120 min of irradiation, the optimized composite degraded 99.59% of Rhodamine B (RhB, 600 mg/L), 99.82% of Congo red (CR, 200 mg/L), and 83.50% of Tetracycline (TC, 80 mg/L). In a separate O₂-saturated medium containing 10 vol% isopropanol, the H₂O₂ yield reached 5644 μmol g⁻¹ over the same period. In situ irradiated X-ray photoelectron spectroscopy showed that Bi 4 f, Cl 2p, and O 1 s shifted toward lower binding energies, whereas the ZIS-associated core levels shifted toward higher binding energies. These opposite changes indicate photoelectron enrichment in BiOCl and electron depletion in ZIS. Density functional theory calculations revealed a larger work function for BiOCl (6.72 eV) than for ZIS (5.33 eV), while the differential charge density confirmed interfacial electron redistribution. Together with the density-of-states and experimental band-edge results, these findings support a type-II pathway in which electrons migrate from the ZIS conduction band (CB) to the BiOCl CB, while holes transfer from the BiOCl valence band (VB) to the ZIS VB. The resulting carrier separation favors O₂ reduction toward H₂O₂ formation and promotes oxidative pollutant degradation. Download: Download high-res image (225KB) Download: Download full-size image
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Coatings
·
2026
·Vol. 16
·期 9
·1010
·
IF 3.4
Jibo Miao,Ruizhi Peng,Shu Feng,Xue Liu
With rapid development of 5G/6G communication and high-power electronic devices, electromagnetic interference (EMI) shielding textiles are urgently required to mitigate electromagnetic pollution. Traditional metallic shielding suffered from heavy weight, poor corrosion resistance, and secondary electromagnetic reflection, while continuous basalt fibers (CBFs) exhibit excellent mechanical strength, lightweightness, thermal/chemical resistance, and electrical insulation, which makes CBFs ideal substrates for EMI devices. Herein, a multifunctional waterborne polyurethane (WPU) sizing agent (coating emulsion) integrated with Mn-Zn spinel ferrite was developed for in situ lubrication on the as-spun CBFs. The composite sizing agents consisted of a WPU matrix, water-soluble epoxy, mineral oil lubricant, CTAB surfactant, KH-570 coupling agent, and micro-sized Mn-Zn ferrites. Characterizations including particle size distribution, thermogravimetric analysis, water contact angle (WCA), water absorption, FTIR, XRD, and SEM were conducted to verify uniform anchoring of ferrites on the CBF surfaces. Increasing ferrite dosages induced slight particle aggregation, elevated surface hydrophobicity (WCA = 42.4° → 99.43°), and reduced water absorption (65% → 35%), which greatly improved the moisture resistance of the CBFs. The X-band EMI shielding tests revealed that the total shielding effectiveness (SET) of modified CBF fabrics increased from 0.11 dB (pristine fiber without ferrite) to 58.57 dB at a loading of 8.0 g/L ferrite. The absorption loss (SEA) dominated the shielding performance over reflection loss (SER). The low-to-moderate contents (1.5–3.0 g/L) of ferrite achieved ultra-high absorption, while higher ferrite loading (5.0–8.0 g/L) intensified the impedance mismatch and enhanced surface reflection. This work establishes a scalable fabrication of absorption-prioritized lightweight CBF shielding, which provides a feasible pathway for flexible EMI shielding textiles.
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Journal of Energy Storage
·
2026
·
IF 10.7
Zhuoyan Liu,Libing Hu,Haomiao Yang,Zhixin Li,Haolin Jiang,Ning Du,Beibei Sun,Jianhui Jiang,Jisheng Zhou,Jianbo Zhao
Detrimental side reactions and irregular zinc dendrite growth restrict the development of aqueous zinc ion batteries (AZIBs). Although the deposition dominated by Zn (002) crystal plane is proved to mitigate the issues of side reaction and zinc dendrites, inducing the oriented deposition of Zn (002) plane faces thermodynamic challenges. Herein, we use MXene quantum dots (F-MQDs) as an electrolyte additive, which orientedly adsorb on the Zn (002) crystal plane, as a target to guide the preferential deposition of zinc ions. Benefit from the abundant fluorine (F) on the surface, F-MQDs shows a higher absorption energy on the Zn (002) plane than other planes. The installed F-MQDs further preferentially adsorb Zn ions and thus guides the Zn (002)-oriented deposition. As the exposed Zn (002) is the plane that has the lowest surface energy, the suppression of HER, prohibition of zinc corrosion and the elimination of zinc dendrite are achieved synchronously. As a result, the symmetrical Zn||Zn cell shows a prolonged lifespan up to 650 h at the current density and deposition capacity of 1 mA cm −2 and 1 mA h cm −2 . Asymmetric Zn||Cu cell also yield a high average coulombic efficiency of 99.67%. Zn||V 2 O 5 full cells also demonstrate a augmented cycling performance with the highest specific capacity of 133.1 mAh g −1 at 5 A g −1 . This work provides an insight in targeted deposition for achieving high-performance AZIBs.
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Journal of Materials Chemistry A
·
2025
·
IF 9.5
Yu Zong,Hai-Chao Chen,Danyang Yu,Lu Wang,Yamei Liu,Xiaofan Tian,Lei Wang,Kuikui Wang,Xin Ning,Xiaochuan Ren
Aqueous zinc-ion batteries (AZIBs) are popular for their safety, affordability, and environmental friendliness. However, irreversible electrochemical processes at the zinc anode limit their longevity, especially in mildly acidic electrolytes. Traditional approaches including protective artificial interfaces and electrolyte engineering with functional additives, face limitations due to rapid electrolyte consumption and regulatory effectiveness diminishment over time. To overcome these challenges, we have developed a thin copper acetate/polyacrylonitrile composite (CPAN) fibrous film (37 µm) inspired by diffusion-controlled drug release systems. This innovative separator ensures the continuous and controllable release of copper ions (Cu 2+ ) and acetate ions (Ac -). The Cu 2+ promotes the formation of a zincophilic-hydrophobic Cu/Zn alloy interface on the zinc anode, effectively suppressing dendrite growth and hydrogen evolution. Ac -, in conjunction with the cyano groups in PAN, regulates the solvation structure of Zn 2+ and accelerates its desolvation. As a result, the CPAN separator significantly enhances the reversibility of zinc stripping and plating, allowing for stable cycling over 1500 hours. The assembled MnO 2 ||Zn pouch cell exhibits a high capacity of 45 mAh and stable cycling for over 300 cycles even under a lean electrolyte condition (E/C ratio=25.88 μL mAh -1 ) and a limited Zn supply (N/P ratio=3).
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