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Resolving water-induced deactivity and fragility of Prussian blue by eutectic chemistry for upgraded sodium storage 认领 引用
1
作者 Mingwei Jiang Taixiang Li +6 位作者 Xirui Wei Weijia He Yueying Li Fei Xu Yue Ma Yu Zhang Jian-Gan Wang 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第7期169-177,I0006,共9页
Despite the alluring prospect of Prussian blue(PB)cathode for Na-ion batteries(NIBs),the abundant existence of structural water molecules in the lattice framework greatly downgrades its capacity output and cycling per... Despite the alluring prospect of Prussian blue(PB)cathode for Na-ion batteries(NIBs),the abundant existence of structural water molecules in the lattice framework greatly downgrades its capacity output and cycling performance,which remains a troublesome issue.Herein,we propose a novel eutectic chemistry strategy to mitigate the water-induced challenges of PB for advanced Na-ion storage.The unique eutectic medium network provides a nonaqueous and highly viscous environment for ab initio refraining water incorporation into the PB framework and greatly retarding the crystallization,thereby producing highquality crystals with reduced water content as low as 4.9 wt%.The structurally favorable traits endow the water-deficient PB with an elevated capacity of 131.4 mAh g-1 at 0.2 C,and more impressively,an ultralong lifespan over 10,000 cycles.A deep insight into the mechanistic enhancement by eutectic chemistry on sodiation kinetics and structural stability is unraveled.Furthermore,the obsolete eutectic solvent can be recycled to prepare water-deficient PB without noticeable performance sacrifice,thereby paving a sustainable,economic,and green avenue for boosting the development of PB-based NIBs. 展开更多
关键词 Prussian blue Deep eutectic solvent High performance Green chemistry Sodium-ion batteries
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Twin-Wire In Situ Additive Manufacturing of NiTiNb Eutectic Alloys:Eliminating Unmelted Nb Particles and Tailored Superelasticity 认领 引用
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作者 Qing-Da Zhang Bao-Xian Su +7 位作者 Chen Liu Zhe Li Zhi-Wen Li Meng-Hao Zhong Bao Ding Rui-Run Chen Liang Wang Yan-Qing Su 《Rare Metals》 SCIE EI CAS CSCD 2026年第2期459-478,共20页
A major challenge in fabricating eutectic NiTiNb alloys is the incomplete melting of Nb due to its much higher melting point than the NiTi matrix.In this work,a novel electron-beam freeform additive manufacturing stra... A major challenge in fabricating eutectic NiTiNb alloys is the incomplete melting of Nb due to its much higher melting point than the NiTi matrix.In this work,a novel electron-beam freeform additive manufacturing strategy is developed to eliminate unmelted Nb particles and achieve a fully eutectic structure through independent dual-wire feeding with optimized process parameters.Specifically,NiTi and Nb wires are independently fed from opposite sides,with the Nb wire positioned beneath the NiTi wire.Precise control of wire spacing enables stable co-droplet transfer into the molten pool guided by static analysis.Combined with enhanced beam energy density,unmelted Nb particles are effectively eliminated.Microstructural analysis revealed that higher Nb content promoted eutectic structure formation,and a fully eutectic structure is obtained through process optimization.At 90 mA,the (Nb50.7Ti)85Nb15 alloy achieved 58.5% superelastic and 95.1% shape memory recovery.The eutectic structure suppresses the formation of martensitic wedge-shaped structures and extensive stacking faults,thereby enhancing transformation reversibility.Moreover,recovery stress during reverse phase transformation partially restores the elasticity of the β-Nb phase,further enhancing superelastic recovery.These results provide guidance for the in situ synthesized NiTiNb alloys with superior performance via additive manufacturing. 展开更多
关键词 additive manufacturing co-droplet eutectic structure superelasticity unmelted Nb particles
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Effect of eutectic content on microstructure and mechanical properties of Al-Zn-Mg-Cu alloys 认领 引用
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作者 Peng-fei Li Yu-dong Sui +4 位作者 Hai-ni Jin An-kang Xiong Wan-zeng Li Hao Zhou Ye-hua Jiang 《China Foundry》 SCIE EI CAS CSCD 2026年第3期462-474,共13页
The 7xxx series aluminum alloys have emerged as a particularly promising class of lightweight structural materials.However,the inherent strength of these materials is primarily influenced by the content and type of al... The 7xxx series aluminum alloys have emerged as a particularly promising class of lightweight structural materials.However,the inherent strength of these materials is primarily influenced by the content and type of alloying elements added during the manufacturing process,as well as casting defects.The present study investigated the effects of eutectics formed by solute atoms(Zn,Mg,and Cu),with equal mass ratios(Zn/Mg=2,Mg/Cu=3)but varying overall contents,on the liquid film thickness,crack propagation depth,and the mechanical properties of the Al-Zn-Mg-Cu alloy after heat treatment.The results from gravity casting indicate that the intergranular liquid film thickness increases with the increase of eutectic content.A thick intergranular liquid film in the casting can accommodate greater strain during grain contraction,thereby preventing liquid film rupture and subsequent hot tearing.Concurrently,during the solution treatment at 475℃,the residual eutectic fraction in the Al-7Zn-3.5Mg-1.18Cu alloy diminishes from 9.1%at 10 h to 0.35% at 40 h.At 165℃,the Al-6Zn-3.0Mg-1.0Cu alloy exhibits the optimal mechanical properties,with a peak aging tensile strength of 510 MPa and an elongation of 6.4%.The incorporation of lower concentrations of solute atoms(Zn,Mg,and Cu)serves to reduce the barrier to dislocation precipitation,thereby enhancing alloy plasticity.However,when the proportion of alloying elements exceeds the solubility limit of the α-Al matrix at specific heat treatment temperatures,coarse residual phases remain intergranular,thereby significantly impairing the mechanical properties of the alloy.This study provides a reference for the optimal addition level of the main strengthening elements in Al-Zn-Mg-Cu alloys. 展开更多
关键词 Al-Zn-Mg-Cu alloy eutectic content tensile strength thickness of liquid film hot tearing susceptibility
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Effects of γ-ray and electron irradiation on microstructural evolution and mechanical properties of SnPb eutectic solder joints 认领 引用
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作者 Qi-long GUAN Chun-jin HANG +6 位作者 Wei ZHANG Sheng-li LI Xiao-jiu TANG Dan YU Ying DING Xiu-li WANG Yu-bao ZHANG 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2026年第3期902-916,共15页
The effects ofγ-ray and electron irradiation on the microstructural evolution and mechanical properties of SnPb eutectic solder joints were investigated.Following electron irradiation,the SnO2phase induced byγ-ra... The effects ofγ-ray and electron irradiation on the microstructural evolution and mechanical properties of SnPb eutectic solder joints were investigated.Following electron irradiation,the SnO2phase induced byγ-ray irradiation transformed intoβ-Sn,and the dislocation density in theβ-Sn crystal decreased.Moreover,numerous point defect clusters formed in theβ-Sn crystal,some of which transformed into an amorphous phase,increasing the amorphous layer thickness.Meanwhile,electron irradiation likewise resulted in rotation of the(220)plane ofβ-Sn nanograins and reduction of SnO2in theβ-Sn crystal.Additionally,upon exposure toγ-ray and electron irradiation,the average shear strength of the solder balls was initially increased by 10.10%,followed by a decrease of 3.53%and 4.77%,respectively.The plasticity and the dimple count on the fracture surfaces of the solder joint initially decreased but subsequently increased. 展开更多
关键词 combined irradiation SnPb eutectic solder joints SnO2reduction irradiation damage β-Sn nanograin rotation
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Direct repair of spent LiFePO4 via a closed-loop deep eutectic solvent process 认领 引用
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作者 Yuelin Kong Shuaipeng Hao +8 位作者 Yaqi Liao Yudi Shao Le Hu Wei Liu Yuanguang Xia Wen Yin Jingwei Xiang Yunhui Huang Lixia Yuan 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第6期224-233,I0007,共10页
The LiFePO4 batteries are expected to face a significant wave of retirement in the coming years.This necessitates the establishment of a comprehensive and environmentally friendly recycling system for spent LiFePO_... The LiFePO4 batteries are expected to face a significant wave of retirement in the coming years.This necessitates the establishment of a comprehensive and environmentally friendly recycling system for spent LiFePO4 batteries.The traditional hydrometallurgical and pyrometallurgical methods involve high costs and serious pollution.This work provides a more efficient and environmentally benign alternative by repairing spent LiFePO4 through a citric acid-LiCl deep eutectic solvent(DES).The citric acid and LiCl form a molten state through hydrogen bonding at lower temperatures,enabling the ambient-pressure repair.The LiCl acts as a Li source to replace the lost Li.The citric acid donates electrons to reduce Fe3+to Fe2+,reducing electrostatic repulsion to facilitate Fe to return to its original lattice site,thereby eliminating Fe-Li anti-site defects and promoting the insertion of Li+into the lattice.Remarkably,this method eliminates the strict requirement for Li/Fe molar ratio control,making it applicable to spent LiFePO4 batteries with varying degradation levels.The regenerated LiFePO4 shows great electrochemical performance with a discharge capacity of 158.3 mA h g-1at 0.5C,with a capacity retention of 82.8%after600 cycles.Notably,the DES demonstrates recyclability and stable regeneration efficiency,while its eco-friendly nature further enhances the economic viability and industrial potential of this process. 展开更多
关键词 Spent LiFePO4batteries Deep eutectic solvent Fe-Li anti-site defects Ambient-pressure repair
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Unveiling Solidification Mechanism and Balanced Strength-Ductility Synergy of Eutectic High-Entropy Alloys 认领 引用 被引量：1
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作者 Yi Qin Yi Li +13 位作者 Xin Jiang Junfeng Duan Ziyu Peng Jingran Huang Yifan Lin Xuwei Qin Bodong Tan Yiheng Ruan Xiaohan Wang Hongxuan Xu Honglei Wang Tianlong Zhang Peijian Shi Yunbo Zhong 《Rare Metals》 SCIE EI CAS CSCD 2026年第4期330-340,共11页
Eutectic high-entropy alloys(EHEAs)have attracted significant attention due to their balanced mechanical properties and promising applications.Nonetheless,the correlation between the solidification mechanism of eutect... Eutectic high-entropy alloys(EHEAs)have attracted significant attention due to their balanced mechanical properties and promising applications.Nonetheless,the correlation between the solidification mechanism of eutectic microstructures and their mechanical properties remains elusive.In this study,we report an Al1.19CoFeNi2.86 EHEA composed of typical regular and irregular lamellar colonies.Both colonies exhibit a dual-phase structure containing face-centered cubic(FCC)and bodycentered cubic(BCC)phases,which collectively induce balanced as-cast strength-ductility synergy.Tensile experiments reveal an as-cast yield strength of~618 MPa,an ultimate tensile strength of~1015 MPa,and a fracture elongation of~9.7%.Through multiscale probing of deformation processes,we unveil that the mixed,regular and irregular,eutectic lamellar microstructure is critical for balancing strength and ductility,stemming from persistent hetero-deformation-induced strain hardening spanning across a wide strain scope.The hybrid structure of regular and irregular lamellar eutectics arises from solute diffusion and associated thermophysical factors during solidification.These findings provide insights into clarifying the structure-property correlation in as-cast EHEAs as well as optimizing their properties. 展开更多
关键词 balanced mechanical properties deformation processes eutectic high-entropy alloys regular and irregular lamellar colonies solidification mechanism
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Formation of non-equilibrium metastable phases in rapidly solidified Ti–Fe eutectic alloy 认领 引用
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作者 Xiaogang Gao Yibo Zhang +7 位作者 Zhichao Lu Jinkui Zhao Zhaohui Dong Ke Yang Dongbai Sun Xue Li Fanqiang Meng Dong Ma 《International Journal of Minerals,Metallurgy and Materials》 SCIE EI CAS CSCD 2026年第4期1269-1278,共10页
Ti–Fe alloys are indispensable for crucial applications in the aerospace,marine,and energy industries.To understand the effect of rapid solidification on phase formation and microstructural evolution in Ti–Fe alloys... Ti–Fe alloys are indispensable for crucial applications in the aerospace,marine,and energy industries.To understand the effect of rapid solidification on phase formation and microstructural evolution in Ti–Fe alloys,melt spinning of a typical Ti70.5Fe29.5eutectic alloy at different cooling rates was investigated in this study.The experimental results show that the melt-spun ribbons exhibit unique threelayered microstructure consisting of thin amorphous–nanocrystalline(Am–NC)hybrid layer on the chilled side and NC layer on the free side,which sandwich a fully Am middle layer.This microstructure is distinctly different from conventional eutectic-coupled microstructures observed in slow-cooled eutectic alloys.In particular,increasing the wheel speed resulted in a thicker Am layer and Fe enrichment,indicating the effect of solute segregation on the glass-forming ability,which is rarely seen in the formation of bulk metallic glasses.In addition,an unexpected Ti4Fe2O phase is observed in the NC layer in addition toβ-Ti and B2-TiFe phases formed via a divorced eutectic growth mechanism.The analysis indicated that rapid solidification and moderate oxygen doping/contamination are essential for promoting the formation of amorphous and metastable Ti4Fe2O phases.This study contributes to a better understanding of the phase-selection mechanism and microstructural evolution in Ti–Fe alloys under far-from-equilibrium conditions,providing useful implications for the fabrication of Ti–Fe-based alloys using rapid-solidification techniques. 展开更多
关键词 rapid solidification eutectic alloy melt spinning glass formation amorphous structure metastable phase
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Iron-Based Lewis/Brønsted Deep Eutectic Solvents for the Hydrolysis of Nylon-6,6 认领 引用
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作者 Marco Rollo Francesca Rastelli +3 位作者 Marta Ximenis Elisa Martinelli Gianluca Ciancaleoni Haritz Sardon 《Engineering》 SCIE EI CSCD 2026年第3期106-113,共8页
Approximately one-third of the global nylon production is accounted for by polyamide 6,6(PA 66),with an annual output of 2.5 million tonnes.Despite its limited biodegradability,few end-of-life recycling strategies hav... Approximately one-third of the global nylon production is accounted for by polyamide 6,6(PA 66),with an annual output of 2.5 million tonnes.Despite its limited biodegradability,few end-of-life recycling strategies have been developed for PA 66.In this work,PA 66 is quantitatively depolymerized into its monomers:adipic acid and hexamethylenediamine(recovered as diammonium dichloride)using a naturally abundant iron-based Lewis/Brønsted acidic deep eutectic solvents(LBDESs)at 180℃ in 5 h.After optimization of the reaction conditions and work-up procedure,the overall monomer recovery yield exceeds 85%.The process is effective not only for virgin PA 66 in pellet and fiber forms but also with real post-consumer 100%nylon hosiery.Furthermore,environmental performance metrics for this method were evaluated and compared to previously reported depolymerization processes,indicating that the present approach is competitive. 展开更多
关键词 Polyamide 6,6 depolymerization Chemical recycling Deep eutectic solvents Iron-based catalysis Monomer recovery
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A Dual Closed-Loop Process to Recycle High Nickel Cathode of Spent Lithium-Ion Batteries via Deep Eutectic Solvents:Computational Screening and Experimental Validation 认领 引用
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作者 Yang Chen Shi Luo +5 位作者 Ping Liu Meng-Fei Chen Ajanaku Kolawole Oluseyi Chun-Tao Zhang Biao Gao Kai-Fu Huo 《Rare Metals》 SCIE EI CAS CSCD 2026年第1期225-236,共12页
Deep eutectic solvents(DESs)have displayed a significant potential in green recycling of spent lithium-ion batteries(LIBs)cathode materials.In this study,we proposed a computational screening strategy based on the bin... Deep eutectic solvents(DESs)have displayed a significant potential in green recycling of spent lithium-ion batteries(LIBs)cathode materials.In this study,we proposed a computational screening strategy based on the binding energy and hydrogen bonding performance via density functional theory and molecular dynamic calculation,achieving a novel DES system composed of tetramethylammonium chloride(TMAC)and oxalic acid dihydrate(OA)for a dual closed-loop process to recycle LiNi0.8Co0.1Mn0.1O2(NCM811)cathode of spent LIBs.The binding energy between DESs and Li/Ni/Co/Mn ions were shown to critically influence metal leaching efficiency,implying that DESs with higher binding energy exhibited superior extraction performance.DES TMAC-OA was screened out as optimal potential,and then followed by experimental validations to achieve the leaching of valuable metals from spent NCM811 cathode powder in a much milder condition(80℃,30 min)with high efficiency.Combined with the coordination regulation of water and ethanol,a high selectivity separation of Li and Ni/Co/Mn can be achieved to regenerate high-value precursors of NCM811 with both high purity and yield.The regenerated precursors can be used to produce new NCM811 with considerable electrochemical performances.More importantly,DESs can be perfectly regenerated and recycled many times,indicating that the process is cost-effective and eco-friendly.Such a strategy provides a feasibility basis to demonstrate a promising potential of DESs in the green recovery and recycling of valuable materials from spent LIBs,therefore benefiting the circular economy and the sustainable management of electronic waste. 展开更多
关键词 deep eutectic solvents dual closed-loop process precursor regeneration recyclable spent lithium-ion batteries
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Effect of magnetic field on eutectic carbide morphology and mechanical properties in electroslag remelted M2 high-speed steel 认领 引用
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作者 Mingliang Zhang Zhonghao Sun +7 位作者 Zhibin Xia Wenhao Lin Bangfei Zhou Zhe Shen Biao Ding Tianxiang Zheng Qiang Li Yunbo Zhong 《International Journal of Minerals,Metallurgy and Materials》 SCIE EI CAS CSCD 2026年第4期1163-1175,共13页
65,130,and 160 m T transverse static magnetic field(TSMF)were introduced into the electroslag remelting(ESR)process to investigate the evolution of eutectic carbide morphology and mechanical property of M2 high speed ... 65,130,and 160 m T transverse static magnetic field(TSMF)were introduced into the electroslag remelting(ESR)process to investigate the evolution of eutectic carbide morphology and mechanical property of M2 high speed steel.The application of TSMF induces the homogenization of the temperature field and reduces local solidification time,thereby inhibiting the non-heterogeneous nucleation and the growth of eutectic carbides.According to the result of electron back scatter diffraction(EBSD),as TSMF is applied and magnetic flux density(MFD)increases,the orientation of carbides becomes increasingly diverse and discontinuous.The results indicate that the application of TSMF leads to the refinement and dispersion of carbides,with the effect becoming more pronounced as the MFD increases.It enhances the wear resistance and hardness of ingots.The wear resistance significantly improved,with the maximum wear depth decreasing by 26.2%(9.54 to 7.04μm)and the total wear volume dropping by 20%(2.75×107to 2.20×107μm3).Concurrently,the material's hardness increased from HRC 49.9 to 55.4.The overall results reveal that the presence of TSMF is beneficial for eutectic carbide morphology,thus achieving considerable improvement in mechanical properties of M2 high-speed steel ingots. 展开更多
关键词 M2 high-speed steel magnetic field electroslag remelting process eutectic carbide mechanical properties
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Green and mild synthesis of Ca-MOF/COF functionalized silica microspheres in an acid-base tunable deep eutectic solvent for multi-mode chromatography 认领 引用
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作者 Yuanfei Liu Wanjiao Wei +5 位作者 Xu Liu Rui Hua Yanjuan Liu Yuefei Zhang Wei Chen Sheng Tang 《Chinese Chemical Letters》 SCIE CAS CSCD 2026年第1期547-551,共5页
Metal organic framework(MOF) assembled with coordination bonds has the disadvantage of poor stability that limits its application in the field of stationary phase,while covalent organic framework(COF)assembled through... Metal organic framework(MOF) assembled with coordination bonds has the disadvantage of poor stability that limits its application in the field of stationary phase,while covalent organic framework(COF)assembled through covalent bonds exhibits excellent structural stability.It has been shown that the stationary phases prepared by combining MOF and COF can make up for the poor stability of MOF@SiO2,and the MOF/COF composites have superior chromatographic separation performance.However,the traditional methods for preparing COF/MOF based stationary phases are generally solvent thermal synthesis.In this study,a green and low-cost synthesis method was proposed for the preparation of MOF/COF@SiO2 stationary phase.Firstly,COF@SiO2 was prepared in a choline chloride/ethylene glycol based deep eutectic solvent(DES).Secondly,another acid-base tunable DES prepared by mixing p-toluenesulfonic acid(PTSA)and 2-methylimidazole in different proportions was introduced as the reaction solvent and reactant for rapid synthesis of MOF/COF@SiO2.Compared with the toxic transition metal-based MOFs selected in most previous studies,a lightweight and non-toxic S-zone metal(calcium) based MOF was employed in this study.PTSA and calcium will form the calcium/oxygen-containing organic acid framework in acidic DES,which assembles with terephthalic acid dissolved in basic DES to form MOF.The strong hydrogen bonding effect of DES can facilitate rapid assembly of Ca-MOF.The obtained Ca-MOF/COF@SiO2 can be used for multi-mode chromatography to efficiently separate multiple isomeric/hydrophilic/hydrophobic analytes.The synthesis method of Ca-MOF/COF@SiO2 is green and mild,especially the use of acid-base tunable DES promotes the rapid synthesis of non-toxic Ca-MOF/COF@silica composites,which offers an innovative approach of greenly synthesizing novel MOF/COF stationary phases and extends their applications in the field of chromatography. 展开更多
关键词 Metal organic framework Covalent organic framework Deep eutectic solvent Silica composites Multi-mode chromatography
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Ultralarge elastic strain and near-constant stress temperature dependence of Ni-Mn-Ti-Fe-Co eutectic high-entropy alloy 认领 引用
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作者 Ke-liang GUO Yu ZHANG +6 位作者 Jiang-long GU Jing BAI Dan LIU Nicola MORLEY Qing-shuang MA Qiu-zhi GAO Liang ZUO 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2026年第5期1597-1609,共13页
The notable stress hysteresis and strong temperature dependence limit the application of superelastic alloys.In this study,we developed a Ni-Mn-Ti-Fe-Co superelastic high-entropy alloy system with low temperature depe... The notable stress hysteresis and strong temperature dependence limit the application of superelastic alloys.In this study,we developed a Ni-Mn-Ti-Fe-Co superelastic high-entropy alloy system with low temperature dependence by integrating high-entropy alloy principles into the Ni−Mn−Ti system through arc-melting technology.By designing a fully eutectic microstructure,the alloy demonstrated stable superelasticity with minimal hysteresis energy dissipation,maintaining a 5% strain across a broad temperature range from 113 to 433 K.Furthermore,it exhibited fully reversible superelasticity of 5% after 12010 cycles at room temperature and demonstrated significant pseudoelasticity of about 8.2%under a high stress of 1600 MPa.Its excellent elasticity,minimal hysteresis energy dissipation,and near-constant stress−temperature dependence over a wide temperature range are attributed to its unique eutectic microstructure and weak first-order phase transformation,making it a promising candidate for applications requiring reliable superelastic performance across diverse temperature environments. 展开更多
关键词 high-entropy alloy linear superelasticity martensitic transformation eutectic microstructure
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Hydrophobic Eutectic Solvent-Engineered Membranes for Highly Permeable, Selective, and Antifouling Pharmaceutical Removal from Municipal Wastewater 认领 引用
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作者 Anjali Goyal Tarek Lemaoui +6 位作者 Mahendra Kumar Ahmad S.Darwish Ali Zerriouh Fawzi Banat Hassan A.Arafat Shadi W.Hasan Inas M.AlNashef 《Energy & Environmental Materials》 SCIE EI CAS CSCD 2026年第3期93-114,共22页
Persistent pharmaceutical pollutants present a critical challenge for water remediation,often forcing a trade-off between permeability,selectivity,and fouling resistance.This study resolves this trilemma through the m... Persistent pharmaceutical pollutants present a critical challenge for water remediation,often forcing a trade-off between permeability,selectivity,and fouling resistance.This study resolves this trilemma through the molecular-level integration of hydrophobic deep eutectic solvents(HDES)into ultrafiltration membranes,establishing a filler-free platform for advanced separations.The optimized polyethersulfone matrix,tailored with 5 wt.%tetrabutylammonium bromide:octanoic acid,achieved a sixfold increase in pure-water flux(7.3 L m⁻²h⁻¹)while maintaining 95%tetracycline and 86%diclofenac rejection.The membrane performance was also validated with authentic municipal wastewater from Abu Dhabi,where the membrane removed>86%of bulk organics and pharmaceuticals,surpassing EU Directive 2024/3019 requirements.Exceptional stability was also demonstrated with an 89%flux recovery ratio.Moreover,integrated density functional theory calculations and molecular dynamics simulations revealed that HDES nanodomains electronically“soften”the polymer matrix(reducing chemical hardness to 1.604 eV)to lower water transport barriers while simultaneously doubling pollutant binding energies via cooperative hydrogen bonding and cation-π interactions.This scalable,low-energy approach(≈0.12-0.16 kWh m⁻³)offers a robust,regulation-ready solution for next-generation environmental materials. 展开更多
关键词 hydrophobic deep eutectic solvent municipal wastewater pharmaceutical pollutants ultrafiltration membranes
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Solvation/hydrogen-bond network reconstruction in water-mediated deep eutectic electrolytes for enhanced stability of zinc batteries 认领 引用
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作者 Peng Zeng Dongling Wu +1 位作者 Tao Wang Pengxu Ren 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第6期126-137,I0005,共12页
To address the instability of anodes of zinc-ion battery affected by thermodynamic side reactions and kinetic dendrite growth,a water-modified deep eutectic electrolytes(DEEs)solution is proposed.However,relevant rese... To address the instability of anodes of zinc-ion battery affected by thermodynamic side reactions and kinetic dendrite growth,a water-modified deep eutectic electrolytes(DEEs)solution is proposed.However,relevant research remains scarce and inadequate,and how to precisely balance the pros and cons of water modification and clarify its role in anode interface stability still requires further investigation.This study systematically regulates water content in a zinc trifluoroacetate-diethylene glycol DEE to clarify how water influences zinc deposition kinetics and thermodynamic stability.It reveals the“water content-solvation structure/hydrogen bond network-interfacial stability”relationship.Appropriate water addition reconstructs the solvation sheath and H-bond network,synergistically optimizing zinc deposition and suppressing side reactions.Kinetically,it lowers the Zn2+desolvation barrier and enhances ion migration,enabling dense plating.Thermodynamically,it confines water activity within the hydrogen network,raising the hydrogen evolution barrier.Consequently,Zn||Zn cells achieve stable cycling over 1600 h at 1 m A cm-2,and Zn||V2O5full cells deliver 212.9 mAh g-1at 0.1 A g-1with a 1700-cycle lifespan at 1 A g-1.This study elucidates the key mechanism of action of water molecules in DEEs,laying a solid foundation for the development of high-performance water-modified DEEs. 展开更多
关键词 Deep eutectic electrolyte Zinc-ion battery Solvation structure reconstruction Zinc dendrite suppression Water-modified
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A novel recyclable alkaline deep eutectic solvent for enhanced biomass fractionation and enzymatic hydrolysis 认领 引用
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作者 Tingting Wang Ziyue Chen +4 位作者 Aocheng Wei Chao Xie Si Hong Chaofeng Zhang Xiaojun Shen 《Resources Chemicals and Materials》 EI 2026年第1期57-68,共12页
Effective lignin removal while preserving carbohydrates is a critical challenge in the production of bioethanol.Herein,a novel alkaline deep eutectic solvent(DES)composed of ammonium chloride(NH₄Cl)and monoethanolamin... Effective lignin removal while preserving carbohydrates is a critical challenge in the production of bioethanol.Herein,a novel alkaline deep eutectic solvent(DES)composed of ammonium chloride(NH₄Cl)and monoethanolamine(MEA),was designed for efficient lignin removal and carbohydrate retention in corn stalks pretreatment.Under optimal conditions(MEA/NH₄Cl with a molar ratio 6:1,140℃,6 h),the DES achieved 95.7% lignin removal,with glucose and xylose yields after enzymatic hydrolysis of the residue reaching 98%.Remarkably,glucose and xylose yields were up to 96% within only 24 h,cutting the reaction time by two-thirds compared to the conventional 72 h industrial process and significantly enhancing efficiency.The DES also maintained high efficiency after five reuse cycles,demonstrating excellent recyclability and economic potential.Structural analysis revealed increased crystallinity and porosity,providing mechanistic insights into enhanced enzymatic accessibility.This work establishes a sustainable and innovative strategy for lignocellulose pretreatment,paving the way for cellulosic bioethanol production. 展开更多
关键词 Corn stalk Pretreatment Alkaline deep eutectic solvent Enzymatic hydrolysis Bioethanol
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Recovery of mixed cathode active powder using deep eutectic solvent as sustainable method 认领 引用
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作者 Elif GÜLOĞLU Mert ZORAĞA Gökhan ORHAN 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2026年第4期1348-1364,共17页
The recovery of metallic values from spent cathode active powders in lithium-ion battery was investigated in a deep eutectic solvent(DES)based on choline chloride(ChCl)and ethylene glycol(EG).The recovery yields of Li... The recovery of metallic values from spent cathode active powders in lithium-ion battery was investigated in a deep eutectic solvent(DES)based on choline chloride(ChCl)and ethylene glycol(EG).The recovery yields of Li,Co,Mn and Ni metals were 97.2%,99.2%,97.6%and 100%,respectively,in the leaching process carried out at 180℃,under 375 r/min magnetic stirring speed and at 10 g/L pulp density for 24 h using CC꞉EG 1꞉2 as solvent.Leaching yields very close to these results were also obtained after 12 h leaching using 200 W ultrasonic support(US)instead of magnetic stirring under the same conditions.2 mol/L Na2CO3 was used for co-precipitation of metals from metal loaded solutions.The precipitation efficiencies for Li,Co,Mn and Ni after co-precipitation at pH(11.6±0.05),40℃ for 3 h are 85.7%,95.8%,99.8%and 89.9%,respectively.Furthermore,multiple utilization of DES was investigated,and three cycles were completed without loss of yield in both extraction and stripping stages.The precipitation product was calcined and characterized by XRD and SEM techniques. 展开更多
关键词 lithium-ion batteries solvometallurgy deep eutectic solvent recovery hydrometallurgy
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Influence of Antioxidants and Deep Eutectic Solvent on Vulcanization Kinetics and Mechanical Behaviors of Natural Rubber/Styrene-Butadiene Rubber Blend and Composites 认领 引用
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作者 Zi-Ye Liu Yi-Hu Song Qiang Zheng 《Chinese Journal of Polymer Science》 SCIE EI CAS CSCD 2026年第7期2341-2351,共11页
Antioxidants are generally used for prolonging the lifespan of rubber products,while their influences on the vulcanization kinetics and mechanical properties are rarely investigated.Herein,the synergistic roles of con... Antioxidants are generally used for prolonging the lifespan of rubber products,while their influences on the vulcanization kinetics and mechanical properties are rarely investigated.Herein,the synergistic roles of conventional antioxidants(6PPD,MB,2246)and deep eutectic solvent(DES)in natural rubber(NR),styrene-butadiene rubber(SBR),their blends,and the blends filled with carbon black(CB)and black talc(BT)were examined.The results showed that antioxidants and DES influenced the vulcanization kinetics,crosslinking density and mechanical behaviors markedly.A combination of MB and DES resulted in NR/SBR-CB/BT composite vulcanizates with high strength and low dissipation characteristics.DES formed hydrogen bond/ion-pair complexes with antioxidants,and,in NR,interacted with non-rubber constituents,thereby modulating cure intermediates and sulfur-bond distributions,paving the way for preparing high performance rubber composites. 展开更多
关键词 Natural rubber Styrene-butadiene rubber Antioxidant Deep eutectic solvent Mullins effect
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Aqueous Eutectic Electrolytes Suppress Gas Evolution for Long-Life Dual-Electrode-Free Zn||MnO2 Batteries 认领 引用
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作者 Zhihao Zhao Huihua Li 《Rare Metals》 SCIE EI CAS CSCD 2026年第7期11-14,共4页
Aqueous Zn-Mn batteries are considered an ideal choice for large-scale energy storage due to their high safety,low cost,and high volumetric capacity[1].Recent research has focused on Zn2+/Zn||MnO2/Mn2+batteri... Aqueous Zn-Mn batteries are considered an ideal choice for large-scale energy storage due to their high safety,low cost,and high volumetric capacity[1].Recent research has focused on Zn2+/Zn||MnO2/Mn2+batteries based on the two-electron transfer deposition/dissolution reaction between Mn2+and MnO2.Compared with the conventional intercalation chemistry of MnO2,this electrodissolution mechanism offers a higher discharge voltage(2 V vs.Zn2+/Zn)and a higher theoretical capacity(616 mAh g−1)[2]. 展开更多
关键词 electrodissolution mechanism aqueous Zn Mn batteries intercalation chemistry Zn MnO batteries long life gas evolution safety aqueous eutectic electrolytes
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Diol-based Deep Eutectic Solvent for Cellulose Hydrogels from Corncob as Solid Electrolytes for Zinc-Ion Hybrid Supercapacitors 认领 引用
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作者 Yi Duan Lifeng Yan 《Chinese Journal of Chemical Physics》 SCIE EI CAS CSCD 2026年第1期118-124,I0033,I0043,共7页
Green solvent pretreatment of biomass represents a promising ap-proach for enhancing the econom-ic value of lignocellulosic deriva-tives.In this study,corncob biomass was treated with a diol-based deep eutectic solven... Green solvent pretreatment of biomass represents a promising ap-proach for enhancing the econom-ic value of lignocellulosic deriva-tives.In this study,corncob biomass was treated with a diol-based deep eutectic solvent(DES)under mild conditions,facilitating efficient cellulose separation.The extracted cellulose was subsequently used to fabricate cellulose hydrogels in an aqueous zinc chloride solution.The resulting hydrogel exhibited a“water-in-salt”effect due to the high concentration of ZnCl2.Leveraging the antifreeze properties of sorbitol,the system demon-strated outstanding low-temperature electrochemical performance,including a broad operat-ing voltage window and an ionic conductivity of 38.4 mS·cm-1at-20℃.At 20℃,the de-vice achieved an energy density of 206 Wh·kg-1and a power density of 2701.05 W·kg-1at a current density of 1 A·g-1.Moreover,the flexible zinc-ion hybrid supercapacitor(ZHSC)maintained 89%of its capacitance and nearly 100%Coulombic efficiency after 5500 cycles at 20℃.This work not only advances the development of zinc-ion energy storage devices but al-so establishes a new paradigm for the green and direct utilization of biomass-derived materi-als. 展开更多
关键词 Deep eutectic solvent Zinc chloride Water-in-salt Cellulose hydrogel Superca-pacitor
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A review of Al2O3-based eutectic ceramics for high-temperature structural materials 认领 引用 被引量：3
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作者 Xu Wang Yujie Zhong Qiaodan Hu 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2025年第11期214-232,共19页
Al2O3-based eutectic ceramics are considered as promising candidates for ultra-high-temperature structural materials due to their exceptional thermal stability and mechanical properties.Nonetheless,several chall... Al2O3-based eutectic ceramics are considered as promising candidates for ultra-high-temperature structural materials due to their exceptional thermal stability and mechanical properties.Nonetheless,several challenges must be overcome before they can be widely used.This paper reviews in detail the tailoring of microstructure from the aspect of process parameters,the updated knowledge gained in microstructure(crystallographic orientation,high-resolution interfacial structures)and the latest means of optimizing eutectic microstructure(seed-induced method,introducing low-energy grain boundaries and high-entropy phase).Additionally,the paper explores future techniques for the fabrication of bulk ceramic materials and effective toughening approaches.This review highlights the achievements made especially in the last 15 years,current limitations in Al2O3-based eutectic ceramics,and offers comprehensive insights and strategic guidance for further mechanical breakthroughs. 展开更多
关键词 Al2O3-based eutectic ceramics Eutectic solidification Interfacial structures Mechanical properties High-entropy oxides
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