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Zeolite-confined Fe-site Catalysts for the Hydrogenation of CO_(2) to Produce High-value Chemicals

Chemical Research in Chinese Universities 2024年第1期40卷 78-95页

作者： HAN Xiaoyang XIA Huicong TU Weifeng WEI Yifan XUE Dongping LI Minhan YAN Wenfu ZHANG Jia-Nan HAN Yi-Fan College of Materials Science and Engineering Zhengzhou UniversityZhengzhou450001P.R.China State Key Laboratory of Coking Coal Resources Green Exploitation Zhengzhou UniversityZhengzhou450001P.R.China Engineering Research Center of Advanced Functional Material Manufacturing of Ministry of Education School of Chemical EngineeringZhengzhou UniversityZhengzhou450001P.R.China State Key Laboratory of Inorganic Synthesis and Preparative Chemistry and College of Chemistry Jilin UniversityChangchun130012P.R.China State Key Laboratory of Chemical Engineering East China University of Science and TechnologyShanghai200237P.R.China

Zeolite-confined Fe-site catalysts(ZFCs)have emerged as superior materials for sustainably producing high-value chemicals through CO_(2) hydrogenation,owing to their adaptable framework,customizable composition,and thermal *** excel in activating,adsorbing,and converting CO_(2) with remarkable efficiency and consistency in *** has sparked a surge in research interest in recent *** review delves into the latest advancements in CO_(2) catalytic hydrogenation to olefins,alcohols,aromatics,and other liquid hydrocarbons,examining the synthesis,modification tactics,and the correlation between structure and performance across various ***,it underscores the pivotal factors affecting performance and sheds light on the mechanisms behind selectivity control in the CO_(2) hydrogenation process facilitated by *** conclude,it presents pressing challenges and strategic recommendations to inspire the development of high-performance,durable ZFCs for CO_(2) hydrogenation applications.

关键词： Zeolite-confined Fe-site catalyst CO_(2) hydrogenation Modification strategy High-value chemical

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Recent progress in perovskite solar cells:material science

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science China Chemistry 2023年第1期66卷 10-64页

作者： Jiang-Yang Shao Dongmei Li Jiangjian Shi Chuang Ma Yousheng Wang Xiaomin Liu Xianyuan Jiang Mengmeng Hao Luozheng Zhang Chang Liu Yiting Jiang Zhenhan Wang Yu-Wu Zhong Shengzhong(Frank)Liu Yaohua Mai Yongsheng Liu Yixin Zhao Zhijun Ning Lianzhou Wang Baomin Xu Lei Meng Zuqiang Bian Ziyi Ge Xiaowei Zhan Jingbi You Yongfang Li Qingbo Meng Beijing National Laboratory for Molecular Sciences CAS Research/Education Center for Excellence in Molecular SciencesInstitute of ChemistryChinese Academy of SciencesBeijing 100190China Laboratory for Renewable Energy(CAS) Beijing National Laboratory for Condensed Matter PhysicsInstitute of PhysicsChinese Academy of SciencesBeijing 100190China Key Laboratory of Applied Surface and Colloid Chemistry Ministry of EducationShaanxi Key Laboratory for Advanced Energy DevicesShaanxi Engineering Lab for Advanced Energy TechnologyInstitute for Advanced Energy MaterialsSchool of Materials Science and EngineeringShaanxi Normal UniversityXi’an 710119China Institute of New Energy Technology College of Information Science and TechnologyJinan UniversityGuangzhou 510632China School of Environmental Science and Engineering Shanghai Jiao Tong UniversityShanghai 200240China School of Physical Science and Technology Shanghai Tech UniversityShanghai 201210China Australian Institute for Bioengineering and Nanotechnology and School of Chemical Engineering The University of QueenslandSt LuciaBrisbaneQLD 4072Australia Department of Materials Science and Engineering Southern University of Science and TechnologyShenzhen 518055China Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices Ningbo Institute of Materials Technology&EngineeringChinese Academy of SciencesNingbo 315201China Key Laboratory of Polymer Chemistry and Physics of Ministry of Education School of Materials Science and EngineeringPeking UniversityBeijing 100871China Key Laboratory of Semiconductor Materials Science Institute of SemiconductorsChinese Academy of SciencesBeijing 100083China School of Chemical Sciences University of Chinese Academy of SciencesBeijing 100049China Dalian National Laboratory for Clean Energy Collaborative Innovation Center of Chemistry for Energy Materials(iChEM)Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023China Key Laboratory of Funct

Perovskite solar cells represent a promising third-generation photovoltaic technology with low fabrication cost and high power conversion *** light of the rapid development of perovskite materials and devices,a systematic survey on the latest advancements covering a broad range of related work is urgently *** review summarizes the recent major advances in the research of perovskite solar cells from a material science *** discussed topics include the devices based on different type of perovskites(organic-inorganic hybrid,all-inorganic,and lead-free perovskite and perovskite quantum dots),the properties of perovskite defects,different type of charge transport materials(organic,polymeric,and inorganic hole transport materials and inorganic and organic electron transport materials),counter electrodes,and interfacial materials used to improve the efficiency and stability of *** discussions focus on the key progresses reported within the recent five ***,the major issues limiting the production of perovskite solar cells and the prospects for the future development of related materials are discussed.

关键词： perovskite solar cells power conversion efficiency perovskite materials hole transport materials electron transport materials counter electrode materials interfacial functional materials defects

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An organic visible-photocatalytic-adsorbence mechanism to high-efficient removal of heavy metal antimony ions

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Materials Reports(Energy) 2024年第3期4卷 49-59页

作者： Linji Yang Ke Sun Tao Liu Ciyuan Huang Libin Zhang Yang Zhou Kai Chen Shangfei Yao Ziyang Zhang Chenfu Zhao Hongxiang Zhu Bingsuo Zou Shuangfei Wang Dongfeng Xue School of Chemistry and Chemical Engineering Guangxi Key Laboratory of Processing for Non-ferrous Metals and Featured MaterialsState Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite StructuresSchool of ResourcesEnvironment and MaterialsGuangxi UniversityNanning 530004China Department of Biochemistry and Cell Biology YouJiang Medical University for NationalitiesBaise CityGuangxi Zhuang Autonomous Region 533000China Shenzhen Institute for Advanced Study University of Electronic Science and Technology of ChinaShenzhen 518110China

Purification of emerging heavy metal antimony contaminated water based on advanced ingenious *** activated modified coconut shell charcoal(CSC)was synthesized and evaluated as a substrate-supported loaded organic photovoltaic material,PM6:PYIT:PM6-b-PYIT,to prepare a surprisingly highly efficient,stable,environmentally friendly,and recyclable organic photocatalyst(CSC–N–P.P.P),which showed excellent effects on the simultaneous removal of Sb(Ⅲ)and Sb(Ⅴ).The removal efficiency of CSC-N-P.P.P on Sb(Ⅲ)and Sb(Ⅴ)reached an amazing 99.9%in quite a short duration of 15 *** the same time,under ppb level and indoor visible light(~1 W m^(2)),it can be treated to meet the drinking water standards set by the European Union and the *** Environmental Protection Agency in 5 min,and even after 25 cycles of recycling,the efficiency is still maintained at about 80%,in addition to the removal of As(Ⅲ),Cd(Ⅱ),Cr(Ⅵ),and Pb(Ⅱ)can also be *** catalyst not only solves the problems of low reuse rate,difficult structure adjustment and high energy consumption of traditional photocatalysts but also has strong applicability and practical *** pioneering approach provides a much-needed solution strategy for removing highly toxic heavy metal antimony pollution from the environment.

关键词： Organic photocatalyst Photocatalysis Purification Indoor visible light

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Prediction of Superhard BN_(2) with High Energy Density

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Chinese Physics Letters 2021年第1期38卷 125-130页

作者： Yiming Zhang Shuyi Lin Min Zou Meixu Liu Meiling Xu Pengfei Shen Jian Hao Yinwei Li Laboratory of Quantum Functional Materials Design and Application School of Physics and Electronic EngineeringJiangsu Normal UniversityXuzhou 221116China Academy for Advanced Interdisciplinary Studies Southern University of Science and TechnologyShenzhen 518055China

Considering that pressure-induced formation of short,strong covalent bonds in light-element compounds can produce superhard materials,we employ structure searching and first-principles calculations to predict a new class of boron nitrides with a stoichiometry of BN_(2),which are stable relative to alpha-B and alpha-N_(2) at ambient *** ambient pressure,the most stable phase has a layered structure(h-BN_(2)) containing hexagonal BN layers between which there are intercalated N_(2) *** 25 GPa,a three-dimensional P4_(2)/mmc structure with single N-N bonds becomes the most ***,thermal,and mechanical stability calculations reveal that this structure can be recovered under ambient *** calculated stress-strain relations demonstrate an intrinsic superhard nature with an estimated Vickers hardness of ~43 *** structure has a potentially high energy density of ~4.19 kJ/g.

关键词： ambient structure hexagonal

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Interfacial Engineering Strategy for High-Performance Zn Metal Anodes

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Nano-Micro Letters 2022年第1期14卷 121-151页

作者： Bin Li Xiaotan Zhang Tingting Wang Zhangxing He Bingan Lu Shuquan Liang Jiang Zhou School of Chemical Engineering North China University of Science and TechnologyTangshan 063009People’s Republic of China School of Materials Science and Engineering Key Laboratory of Electronic Packaging and Advanced Functional Materials of Hunan ProvinceCentral South UniversityChangsha 410083People’s Republic of China School of Physics and Electronics Hunan UniversityChangsha 410082People’s Republic of China

Due to their high safety and low cost,rechargeable aqueous Zn-ion batteries(RAZIBs)have been receiving increased attention and are expected to be the next generation of energy storage ***,metal Zn anodes exhibit a limited-service life and inferior reversibility owing to the issues of Zn dendrites and side reactions,which severely hinder the further development of *** have attempted to design high-performance Zn anodes by interfacial engineering,including surface modification and the addition of electrolyte additives,to stabilize Zn *** purpose is to achieve uniform Zn nucleation and flat Zn deposition by regulating the deposition behavior of Zn ions,which effectively improves the cycling stability of the Zn *** review comprehensively summarizes the reaction mechanisms of interfacial modification for inhibiting the growth of Zn dendrites and the occurrence of side *** addition,the research progress of interfacial engineering strategies for RAZIBs is summarized and ***,prospects and suggestions are provided for the design of highly reversible Zn anodes.

关键词： Interfacial engineering Zn anode Dendrites Side reactions Aqueous zinc-ion batteries

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Rare earth passivation and corrosion resistance of zinc coated NdFeB magnets

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Journal of Rare Earths 2022年第2期40卷 302-308,I0005页

作者： Jing Chen Hongyi Yang Guangqing Xu Pengjie Zhang Jun Lv Wei Sun Bingshan Lidi Jun Huang Dongmei Wang Xia Shu Yucheng Wu School of Materials Science and Engineering.Hefei University of Technology Hefei 230009China China International S&T Cooperation Base for Advanced Energy and Environmental Materials Hefei University of TechnologyHefei 230009China Key Laboratory of Advanced Functional Materials and Devices of Anhui Province Anhui Provincial International S&T Cooperation Base for Advanced Energy MaterialsHefei University of TechnologyHefei 230009China BGRIMM Technology Group Co. Ltd.Beijing 102600China National Engineering Research Center for Magnetic Materials Beijing 102600China

Rare earth passivation was conducted on Zn coated NdFeB magnets by chemical reaction to enhance the corrosion resistance ***,micro structures and compositions of different passivated coatings were studied by X-ray diffraction,field emission scanning electron microscopy,and X-ray photoelectron spectroscopy,*** corrosion behavior was evaluated by electrochemical measurement and neutral salt spray *** results show that the rare earth passivation can enhance the corrosion resistance of Zn coated NdFeB *** the concentration of cerium nitrate is 5 g/L,the passivated specimens can achieve the longest NSS time of 360 h,which is 144 h longer than that of the pristine Zn/NdFeB *** passivation layer on the Zn coating surface contributes to the enhancement of the magnets’corrosion resistance.

关键词： Sintered NdFeB magnets Rare earth passivation Zn coating Electroplating Corrosion resistance

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Theoretical Analysis of Fracture Behavior of Adhesively Bonded Bi-Material Dcb Joints

SSRN

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SSRN 2024年

作者： Wang, Wandong Zhang, Shijie Zhu, Yangxuan Yao, Xudan Zhao, Tian Ma, Yu'e School of Aeronautics Northwestern Polytechnical University Shaanxi Xi’an710072 China Hubei Key Laboratory of Theory and Application of Advanced Material Mechanics School of Science Wuhan University of Technology Wuhan430070 China Beijing Key Laboratory of Lightweight Multi-functional Composite Materials and Structures Institute of Advanced Structure Technology Beijing Institute of Technology Beijing100081 China State Key Laboratory of Explosion Science and Technology Beijing Institute of Technology Beijing100081 China

There has been a disputation about how to achieve a pure mode I fracture mode and thus measure its toughness for an adhesively bonded bi-material DCB specimen. This paper therefore develops a theoretical methodology to calculate the tensile and shear stress distributions in the adhesive layer and to perform data reduction and mode partitioning for generic bi-material DCB specimens. The theoretical model is validated using experimental data. The adhesive layer in a generic bi-material DCB joint is loaded both in tensile and shear based on the predicted stress distributions in the adhesive layer, resulting in a mixed mode fracture behavior. The prediction results substantiate that a strain-based design principle eliminates the shear stresses and thus leads to pure mode I fracture in bi-material DCB specimens. This paper justifies that the established data reduction method is applicable for measuring mode I fracture toughness when a bi-material DCB is designed according to the strain-based design criterion. © 2024, The Authors. All rights reserved.

关键词： Stress concentration

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铂–镍双原子分散在具有新型(NiPt)-N_(4)C_(2)构型的氮掺杂碳纳米结构上用于协同电催化析氢反应

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science China Materials 2023年第4期66卷 1389-1397页

作者：达毓敏田章留蒋睿刘袁连旭席识博施毅王永平鲁浩天崔柏桦张金凤韩晓鹏陈伟胡文彬 Joint School of National University of Singapore and Tianjin University International Campus of Tianjin UniversityFuzhou 350207China Department of Chemistry National University of SingaporeSingapore 117543Singapore School of Materials Science and Engineering Tianjin Key Laboratory of Composite and Functional MaterialsKey Laboratory of Advanced Ceramics and Machining TechnologyTianjin UniversityTianjin 300071China Institute of Chemical and Engineering Sciences A^(*)STARSingapore 627833Singapore

单原子催化剂具有原子利用率高、活性中心明确、催化中心原子配位数低等优点,有望提高电催化性能.具有相邻杂原子的双原子催化剂(DAC)有望发挥两个原子的协同作用,从而进一步提高活性.在本文中,我们报道了一种PtNi-NC催化剂,该催化剂由... 详细信息

单原子催化剂具有原子利用率高、活性中心明确、催化中心原子配位数低等优点,有望提高电催化性能.具有相邻杂原子的双原子催化剂(DAC)有望发挥两个原子的协同作用,从而进一步提高活性.在本文中,我们报道了一种PtNi-NC催化剂,该催化剂由固定在氮掺杂碳基底上的PtNi双原子构成,该基底采用原子层沉积技术合成.X射线吸收光谱证实了Pt–Ni双原子的存在.所制备的PtNi-NC催化剂具有优异的催化活性,在10 m A cm^(-2)的电流密度下,酸性介质中析氢反应(HER)的过电位为30 m V,与市售20 wt%Pt/C相当.特别值得注意的是,PtNi-NC具有比20 wt%Pt/C更高的质量活性,约为其21倍.密度泛函理论计算表明,Pt–Ni双原子通过调节局部电子结构和优化电荷分布产生协同效应,有助于优化吸附性能和增强电催化性能.这项工作为DAC的制备提供了新途径,揭示了它们在电催化HER等领域的应用潜力.

关键词：双原子单原子催化剂电荷分布析氢反应活性中心 X射线吸收光谱电催化原子利用率

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Recent insights on iron based nanostructured electrocatalyst and current status of proton exchange membrane fuel cell for sustainable transport

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Journal of Energy Chemistry 2022年第6期31卷 466-489,I0013页

作者： Mohamedazeem M.Mohideen Adiyodi Veettil Radhamani Seeram Ramakrishna Yen Wei Yong Liu Beijing Key Laboratory of Advanced Functional Polymer Composites College of Materials Science and EngineeringBeijing University of Chemical TechnologyBeijing 100029China Department of Physics and Nanotechnology SRM Institute of Science and TechnologyKattankulathur 603203India Center for Nanofibers and Nanotechnology National University of SingaporeSingapore 1157Singapore Department of Chemistry Key Lab of Bioorganic Phosphorus Chemistry&Chemical BiologyTsinghua UniversityBeijing 100084China

Bridging the performance gap of the electrocatalyst between the rotating disk electrode(RDE) and membrane electrode assembly(MEA) level testing is the key to reducing the total cost of proton exchange membrane fuel cell(PEMFC) vehicles. Presently, platinum metal accounts for ~42% of the total cost of the PEMFC vehicles for usage in the cathode catalyst layer, where the sluggish oxygen reduction reaction(ORR) occurs. An alternative to the platinum catalyst, the Fe-N-C catalyst has attracted considerable interest for PEMFC due to its cost-effectiveness and high catalytic activity towards ORR. However, the excellent ORR activity of Fe-N-C obtained from RDE studies rarely translates the same performance into MEA operating conditions. Such a performance gap is mainly attributed to the lack of atomic-level understanding of Fe-N-C active sites and their ORR mechanism. Besides, unless the cost of expensive electrocatalyst is reduced, the total operation cost of the PEMFC vehicles remains constant. Therefore,developing highly efficient Fe-N-C catalysts from academic and industrial perspectives is critical for commercializing PEMFC vehicles. Here, the scope of the review is three-fold. First, we discussed the atomiclevel insights of Fe-N-C active sites and ORR mechanism, followed by unraveling the different iron-based nanostructured ORR electrocatalysts, including oxide, carbide, nitride, phosphide, sulfide, and singleatom catalysts. And then we bridged their ORR catalytic performance gap between the RDE and MEA tests for real operating conditions of PEMFC vehicles. Second, we focused on bridging the cost barriers of PEMFC vehicles between capital, operation, and end-user. Finally, we provided the path to achieve sustainable development goals by commercializing PEMFC vehicles for a better world.

关键词： Proton exchange membrane fuel cell(PEMFC) Active sites Iron-based nanostructure Sustainable development goals

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Densification, microstructure, and mechanical properties of WMo–Al2O3 alloy fabricated by spark plasma sintering

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Ceramics International 2025年

作者： Cui, Liya Wang, Changji Wei, Shizhong Dou, Caihong Zhao, Ziwen Chen, Chong Dong, Di Pan, Kunming School of Materials Science and Engineering Henan University of Science and Technology Luoyang471000 China Longmen Laboratory Luoyang471000 China Henan Key Laboratory of High-temperature Structural and Functional Materials Henan University of Science and Technology Luoyang471003 China Advanced Technology & Materials Co. Ltd Beijing100081 China

In the spark plasma sintering process, different sintering temperatures (1500–1900 °C) and sintering times (6–20 min) were used for the consolidation of WMo–Al2O3 powder. The results show that the highest relative density of the WMo–Al2O3 alloy was stable at 96 % when the sintering temperature was 1600 °C and the holding time was 10 min;under these conditions, the alloy had no obvious change in phases and a grain size of 0.73 μm. The stress exponent (n) of the diffusion process was less than 0.5, indicating that the densification mechanism of WMo–Al2O3 alloy is atomic diffusion between grain boundaries and particle rearrangement caused by grain boundary slip. The microhardness of the WMo–Al2O3 alloy first increased and then decreased with increasing temperature, which was attributed to the low density, resulting in low microhardness at low sintering temperatures. In addition, the microhardness increased with increasing relative density. When the temperature was further increased and the relative density remained unchanged, the WMo–Al2O3 alloy grain size increased and the hardness decreased. Under holding at 1600 °C for 10 min, the grain size was 0.73 μm, the hardness reached 721.3 HV, and the relative density reached 96.45 %. A transition layer existed in the interface region between the WMo solid solution and the Al2O3 particles, formed by mutual diffusion and reaction between the Al2O3 particles and the WMo matrix. The phase boundary indicated a good combination of Al2O3 particles with the WMo matrix, and the width of the interface bonding region was approximately 5 nm. © 2025 Elsevier Ltd and Techna Group S.r.l.

关键词： Densification

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