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中国化学会第十四届全国电分析化学学术会议

作者：江蓉 Long Chen Xuemei Bai Jiahui Ye Yun Luo Liping Wang Changchun Fan Haoquan Li Yulin Shi Feng Yu Yisheng Xu Key Laboratory for Green Process of Chemical Engineering of Xinjiang Bingtuan School of Chemistry and Chemical EngineeringShihezi University National& Local Joint Engineering Laboratory for Optical Conversion Materials and Technology School of Physical Science and TechnologyLanzhou University State Key Laboratory of Supramolecular Structure and Materials College of ChemistryJilin University State Key Laboratory of Chemical Engineering East China University of Science and Technology

A novel nano-ternary spinel oxides of Zn-Ni-Co-O is synthesized via the co precipitation method and used for trace detection towards Cu（Ⅱ） in real water *** morphologies and microstructures of ZnNiCo O（x=0,0.2,0.4,0.6,0.8,1.0）are characterized and *** the x of 0.4, the prepared ZnNiCo O nanomaterial modified glassy carbon electrode（GCE） can realize electrochemical ultra-trace detection of Cu（Ⅱ）,which shows low detection limit of 4.93 nm and high sensitivity of 12.02 μA/μ***,2 nNiCo O modified electrodes exhibit good repeatability(relative standard deviation（RSD） of 0.34%),reproducibility（RSD of 0.30%）,stability（RSD of 3.00%） as well as anti-interference ***,ZnNiCo O nanornaterials have excellent potential application for real water enviro nment,which shows the recovery of 90%.This work provides a design idea of promising materials for the construction of ultratrace electrochemical sensors towards Cu（Ⅱ） that meet the needs of environmental mo nitoring.

关键词： Zn-doped sensors coprecipitation ternary spinel oxide Cu(Ⅱ)

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Porous Poly(ionic liquid)s-catalyzed Carbon Dioxide-promoted Hydration of Ethylene Oxide

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Gaodeng Xuexiao Huaxue Xuebao/Chemical Journal of Chinese Universities 2025年第5期46卷

作者： Hong, Yang Li, Dandan Zhang, Jingshun Zhang, Ziwang Gao, Guohua State Key Laboratory of Petroleum Molecular & Process Engineering Shanghai Key Laboratory of Green Chemistry and Chemical Processes School of Chemistry and Molecular Engineering Institute of Eco⁃Chongming East China Normal University Shanghai200062 China

As one of the energy-intensive processes,the production of ethylene glycol with high selectivity from ethylene oxide under low hydration ratios is a challenge in the industry. In this study,a series of porous poly(ionic liquid)s with high specific surface area and macroporous structure were synthesized through free radical copolymerization of rigid ionic liquids and organic base monomers. The structure,microscopic morphology,and thermal stability of the poly(ionic liquid)s were characterized by magic angle spinning nuclear magnetic resonance(MAS NMR)spectroscopy,Fourier transform infrared(FTIR)spectroscopy,scanning electron microscopy(SEM),N2 physical adsorption-desorption,and thermogravimetric analysis(TGA). These poly(ionic liquid)s have a specific surface area ranging from 100.9 m2/g to 374.7 m2/g,a pore volume ranging from 0.41 cm3/g to 0.86 cm3/g,with active sites uniformly distributed within the porous structure. Porous poly(ionic liquid)s possessing both the active centers of ionic liquids and organic bases could synergistically catalyze the CO2-promoted hydration of ethylene oxide. Under a low hydration ratio of 1.5∶1,high yield(96.5%)and selectivity(96.5%)of ethylene glycol are achieved,which are comparable to the corresponding homogeneous catalysts. The CO2-promoted catalysis alters the pathway of hydration reaction,significantly reducing the hydration ratio and improving the selectivity of ethylene glycol. In addition,the catalyst has good substrate applicability and recyclability,and it also shows good catalytic performance under the flue gas atmosphere. © 2025 Higher Education Press Limited Company. All rights reserved.

关键词： Magic angle spinning

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Ultrathin-N2C-Deficient Carbon Nitride for Stabilized Enhancement of Electrochemiluminescence

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Small (Weinheim an der Bergstrasse, Germany) 2024年第49期20卷 e2403138页

作者： Chulei Zhao Chaoyun Ma Shaorui Jia Min Wang Mingzhe Jiang Junhong Ma Hui Yu Chenglin Hong School of Chemistry and Chemical Engineering Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan Shihezi University Shihezi 832003 P. R. China. State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources Xinjiang University Urumqi Xinjiang 830017 P. R. China. Xinjiang Key Laboratory of Coal Clean Conversion & Chemical Engineering Process School of Chemical Engineering and Technology Xinjiang University Urumqi Xinjiang 830046 P. R. China. School of Materials Science and Engineering Tiangong University Tianjin 300387 P. R. China.

In the realm of electrochemiluminescence (ECL), the issue of weak signal intensity and instability linked with pure graphitic carbon nitride (CN) is widely recognized. This study suggests a method to produce nitrogen-deficient (NC) porous ultrathin CN (UACN) using ammonium acetate and ultrasonication. The ultrathin porous nature of UACN provides numerous NC defects as catalytic sites, aiding in the decomposition of KSO, a conclusion supported by density functional theory (DFT). Importantly, NC defects serve as electron traps, assisting in electron localization and enhancing the recombination of electron-hole pairs, thereby achieving stable and intensified luminescence from UACN. In practical use, UACN, acting as an ECL emitter, is utilized in detecting the tumor marker carcinoembryonic antigen (CEA), effectively establishing a highly sensitive immunosensing platform. This study elucidates the correlation between UACN structure and ECL performance, offering crucial insights for comprehending ECL mechanisms and designing high-performance ECL materials.

关键词： N2C defects carbon nitride electrochemiluminescence electron‐hole recombination

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In situ Generation of Cyclohexanone Drives Electrocatalytic Upgrading of Phenol to Nylon-6 Precursor

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Angewandte Chemie 2024年第46期136卷

作者： Shunhan Jia Ruhan Wang Xiangyuan Jin Hanle Liu Limin Wu Xinning Song Libing Zhang Dr. Xiaodong Ma Dr. Xingxing Tan Prof. Dr. Xiaofu Sun Prof. Dr. Buxing Han Beijing National Laboratory for Molecular Sciences CAS Laboratory of Colloid and Interface and Thermodynamics CAS Research/Education Center for Excellence in Molecular Sciences Center for Carbon Neutral Chemistry Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China School of Chemical Sciences University of Chinese Academy of Sciences Beijing 100049 China Shanghai Key Laboratory of Green Chemistry and Chemical Processes State Key Laboratory of Petroleum Molecular & Process Engineering School of Chemistry and Molecular Engineering East China Normal University Shanghai 200062 China

Coupling in situ generated intermediates with other substrates/intermediates is a viable approach for diversifying product outcomes of catalytic reactions involving two or multiple reactants. Cyclohexanone oxime is a key precursor for caprolactam synthesis (the monomer of Nylon-6), yet its current production uses unsustainable carbon sources, noble metal catalysts, and harsh conditions. Herein, we report the first work to synthesize cyclohexanone oxime through electroreduction of phenol and hydroxylamine. The Faradaic efficiency reached 69.1 % over Cu catalyst, accompanied by a corresponding cyclohexanone oxime formation rate of 82.0 g h −1 g cat −1 . In addition, the conversion of phenol was up to 97.5 %. In situ characterizations, control experiments, and theoretical calculations suggested the importance of balanced activation of water, phenol, and hydroxylamine substrates on the optimal metallic Cu catalyst for achieving high-performance cyclohexanone oxime synthesis. Besides, a tandem catalytic route for the upgrading of lignin to caprolactam has been successfully developed through the integration of thermal catalysis, electrocatalysis, and Beckmann rearrangement, which achieved the synthesis of 0.40 g of caprolactam from 4.0 g of lignin raw material.

关键词： electrocatalysis biomass nitrogenous chemicals C−N bond green and sustainable chemistry

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Three-dimensional numerical study of flow characteristics and membrane fouling evolution in an enzymatic membrane reactor

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Journal of Hydrodynamics 2018年第5期30卷 851-858页

作者： Xu-qu Hu Pai-qing Wu Xing-yi Wang Hai-cheng Zhang Jian-quan Luo State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body College of Mechanical and Vehicle EngineeringHunan UniversityChangsha 410082China State Key Laboratory of Biochemical Engineering Institute of Process EngineeringChinese Academy of SciencesBeijing 100190China

In order to enhance the understanding of the membrane fouling mechanism, the hydrodynamics of the granular flow in a stirred enzymatic membrane reactor is numerically investigated in the present paper. A three-dimensional Euler-Euler model, coupled with the k-ε mixture turbulence model and the drag function proposed by Syamlal and O＇Brien（1989） for the interphase momentum exchange, is built to simulate the two-phase（fluid-solid） turbulent flow. Numerical simulations of single-or two-phase turbulent flows at various stirring speeds are carried out. The numerical results agree very well with the published experimental data. Results include the distributions of the velocity, the shear stress and the turbulent kinetic energy. It is shown that the increase of the stirring speed not only enlarges the circulation loops in the reactor, but also increases the shear stress on the membrane surface and accelerates the mixing process for the granular materials. The time evolution of the volumetric function of the granular materials on the membrane surface can qualitatively explain the evolution of the membrane fouling.

关键词： Turbulent flow multiphase flow membrane fouling

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Effect of MgO Promoter on the Structure, Performance and Carbon Deposition of Ni-Al2O3Catalyst for CO Methanation Based-on Slurry-bed Reactor

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ChemistrySelect 2022年第9期7卷

作者： Dr. Xian-Jin Huang Prof. Wen-Long Mo Dr. Meng Zou Prof. Feng-Yun Ma Prof. Tie-Zhen Ren Prof. Jian-Zhang Zhao Prof. Tian-Sheng Zhao State Key Laboratory of Chemistry and Utilization of Carbon-Based Energy Resources and Key Laboratory of Coal Clean Conversion & Chemical Engineering Process (Xinjiang Uyghur Autonomous Region) College of Chemical Engineering Xinjiang University Urumqi Xinjiang 830046 China State Key Laboratory of Fine Chemicals Dalian University of Technology Dalian Liaoning 116024 China State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering Ningxia University Yinchuan Ningxia 750021 China

A series of Ni/MgO-Al 2 O 3 catalysts with different MgO abundance were prepared by mechanochemical method for CO methanation based-on slurry-bed reactor. The prepared catalysts were characterized by X-ray diffraction (XRD), H 2 temperature-programmed reduction (H 2 -TPR), N 2 adsorption-desorption, thermogravimetric analysis (TG-DTG) and temperature-programmed hydrogenation (TPH) techniques, and CO methanation performance evaluation was carried out for the samples. Results showed that the catalyst with MgO loading of 2 wt.% (Ni/MgO (2) -Al 2 O 3 ) presented smaller Ni grain size of 9.64 nm and larger specific surface area of 329 m 2 ⋅ g −1 , indicating that a well dispersion of active component on the catalyst. Evaluation results showed that Ni/MgO (2) -Al 2 O 3 could improve the activity of catalyst for CO methanation. Carbon deposition analysis, from TG-DTG characterization, found that MgO could significantly inhibit the formation of carbon deposition in the reaction process. The amount of carbon deposition on Ni/MgO (2) -Al 2 O 3 was the least, only 6.5 %, and the deposited carbon was consisted with the results obtained from TPH analysis. Kinetic analysis showed that the carbon removal reaction mainly occurred at the stage of 250–550 °C. And the activation energy from carbon removal reaction for Ni/MgO (2) -Al 2 O 3 was lower to 13.12 kJ/mol, demonstrating that the catalyst with MgO as additive is more beneficial to anti-carbon ability.

关键词： CO methanation Ni-Al2O3 MgO mechanochemical method slurry-bed reactor

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Inducing and Switching the Handedness of Polyacetylenes with Topologically Chiral Catenane Pendants

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Angewandte Chemie 2024年第37期136卷

作者： Yu Wang Xin Zhang Dr. Chang-Bo Huang Dr. Lianrui Hu Dr. Xu-Qing Wang Prof. Dr. Wei Wang Prof. Dr. Hai-Bo Yang Shanghai Key Laboratory of Green Chemistry and Chemical Processes State Key Laboratory of Petroleum Molecular and Process Engineering School of Chemistry and Molecular Engineering East China Normal University Shanghai 200062 China Coatings Applied Research Asia Pacific BASF Advanced Chemicals Co. Ltd. Shanghai 200137 China Shanghai Center of Brain-inspired Intelligent Materials and Devices East China Normal University Shanghai 200241 China

To explore the chirality induction and switching of topological chirality, poly[2]catenanes composed of helical poly(phenylacetylenes) (PPAs) main chain and topologically chiral [2]catenane pendants are described for the first time. These poly[2]catenanes with optically active [2]catenanes on side chains were synthesized by polymerization of enantiomerically pure topologically chiral [2]catenanes with ethynyl polymerization site and/or point chiral moiety. The chirality information of [2]catenane pendants was successfully transferred to the main chain of polyene backbones, leading to preferred-handed helical conformations, while the introduction of point chiral units has negligible effect on the overall helices. More interestingly, attributed to unique dynamic feature of the [2]catenane pendants, these polymers revealed dynamic response behaviors to solvents, temperature, and sodium ions, resulting in the fully reversible switching on/off of the chirality induction. This work provides not only new design strategy for novel chiroptical switches with topologically chiral molecules but also novel platforms for the development of smart chiral materials.

关键词： Topological Chirality Mechanically Interlocked Polymers Poly(phenylacetylenes) Chirality Induction Stimuli Responsiveness

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Biomimetic Localized Gel Electrolyte for Practical Zinc Anode

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Angewandte Chemie 2025年

作者： Yibo Zhu Shengyong Gao Shuangbin Zhang Yang Chen Peng Liu Haotian Meng Zhiruo Luo Xuan Chen Zhenhai Wen Lina Wang Lianzhou Wang Bin Luo Jisheng Zhou State Key Laboratory of Chemical Resource Engineering Beijing Key Laboratory of Electrochemical Process and Technology for Materials Technology National Engineering Research Center for Fuel Cell and Hydrogen Source Beijing University of Chemical Technology Beijing 100029 P.R. China Australia Institute for Bioengineering and Nanotechnology (AIBN) The University of Queensland Brisbane QLD 4072 Australia State Key Laboratory of Structural Chemistry and Fujian Provincial Key Laboratory of Materials and Techniques toward Hydrogen Energy Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fujian 350002 P.R. China Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou Fujian 350108 P.R. China Fujian Key Laboratory of Green Extraction and High-Value Utilization of New Energy Metals Fuzhou University Fuzhou P.R. China School of Chemical Engineering The University of Queensland Brisbane QLD 4072 Australia

Incompatible electrode/electrolyte interface often leads to dendrite growth, parasitic reactions, and corrosion, posing significant challenges to the application of Zn anodes. Herein, we introduce a biomimetic antifreeze protein localized gel electrolyte (ALGE) with multifunctional capabilities to address these issues by combining electrolyte modification with interface optimization. ALGE modifies the Zn 2+ solvation structure and the hydrogen-bond network adjacent to the zinc anode, effectively suppressing hydrogen evolution. Additionally, ALGE promotes (002) Zn crystal plane-dominated deposition by protein-zinc surface interactions, enabling a long-range dendrite-free deposition. The absence of by-products and inhibited corrosion further highlights the practical potential of ALGE. Symmetric cells with ALGE-modified zinc demonstrate an impressive lifespan of 610 h under a current density of 10 mA cm −2 and a capacity of 10 mAh cm −2 . The pouch cell integrating a manganese dioxide cathode and ALGE-modified Zn anode retains 75.8% of its capacity after 200 cycles at 1 A g −1 . This localized gel electrolyte strategy offers a practical and scalable approach to stabilizing Zn anodes for next-generation energy storage systems.

关键词： Hydrogen bond network Interfacial gelation Localized gel electrolyte Solvation structure Zinc anode

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CO2 Electroreduction in Ionic Liquids： A Review

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Chinese Journal of Chemistry 2018年第10期36卷 961-970页

作者： Jianpeng Feng Shaojuan Zeng Jiaqi Feng Haifeng Dong Xiangping Zhang Beijing Key Laboratory of Ionic Liquids Clean Process Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex System Institute of Process Engineering Chinese Academy of Sciences Beijing 100190 China College of Chemical and Engineering University of Chinese Academy of Sciences Beijing 100049 China

The increasing emission of carbon dioxide （CO2） caused by the unrestrained consumption of fossil fuels in recent hundreds of years, has caused global environmental and social problems. Meanwhile, CO2 is a cheap, abundant and renewable Cl-feedstock, which can be converted into alco- hols, ethers, acids and other value-added chemicals. Compared with the thermal reactions, electrochemical reduction of CO2 is more attractive because of its advantages by using the seasonal, geographical and intermittent energy （tide, wind and solar） under mild conditions. In recent years, taking ionic liquids （ILs） as electrolytes in the CO2 electrochemical reduction reaction has been paid much more attention due to the advantages of lowering the overpotential of CO2 electroreduction and improving the Faradaic efficiency. In this paper, we summarized the recent progresses of electrochemical re- duction of CO2 in ILs electrolytes, and analyzed the reaction mechanism of CO2 reaction in the electrode-electrolyte interface region by experimental and simulation methods. Finally, the research which needs to be highlighted in this area was proposed.

关键词： ionic liquids CO2 reduction charge transfer electric double layer mechanism

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Evaluation of ionic liquid "greenness"-cytotoxicity of ionic liquids 2

Evaluation of ionic liquid "greenness"-cytotoxicity of ionic...

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2019 2nd International Conference on Manufacturing Technology, Materials and Chemical engineering, MTMCE 2019

作者： Kong, Q. Zheng, S.S. Liu, T.Q. Nie, Y. Song, K.D. State Key Laboratory of Fine Chemicals Dalian RandD Center for Stem Cell and Tissue Engineering Dalian University of Technology Dalian116024 China Zhengzhou Institute of Emerging Industrial Technology Zhengzhou450000 China Key Laboratory of Green Process and Engineering Institute of Process Engineering Chinese Academy of Sciences Beijing100190 China

Ionic liquids have become a hot spot in research and application due to their own superiority. At the same time, the "risk" of ionic liquids has attracted more and more attention. The toxicity of ionic liquids varies according to the target. We have to obtain the toxicity data of ionic liquids on various organisms and cell lines, fill in the blanks of ionic liquid toxicity data and clarify the toxicity mechanism. Only in this way, can we lay the foundation for the design and synthesis of new ionic liquids that are truly non-toxic, environmentally friendly and meet functional requirements. In this experiment, 1-ethyl-3-imidazole diethyl phosphate ([Emim]DEP) was prepared by using 1-methylimidazole and triethyl phosphate as raw materials. The rat cranial anterior osteoblast cell line (MC3T3-E1) was used as the research object, using MTT method, fluorescent death-sense staining observation and flow cytometry to study the cytotoxicity of 1-allyl-3-methylimidazolium chloride ([Emim]DEP) type ionic liquid. This article aims to determine the median lethal concentration by the inhibition rate-concentration curve of [Emim]DEP type ionic liquid and measure cell survival index at this concentration. © Published under licence by IOP Publishing Ltd.

关键词： Ionic liquids

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