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Confinement of Fe atoms between MoS_(2) interlayers drives phase transition for improved reactivity in Fenton-like reactions

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Nano Research 2024年第3期17卷 1132-1139页

作者： Yibing Sun Yu Zhou hongchao Li Chuan Wang Xuan Zhang qian Ma Yingchun cheng Jieshu qian Bingcai Pan Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse School of Environmental and Biological EngineeringNanjing University of Science and TechnologyNanjing 210094China Key Laboratory of Flexible Electronics and Institute of Advanced Materials Jiangsu National Synergetic Innovation Center for Advanced MaterialsNanjing Tech UniversityNanjing 211816China Department of General Dentistry Affiliated Stomatological Hospital of Nanjing Medical UniversityJiangsu Province Key Laboratory of Oral DiseasesNanjing 210029China Research Center for Environmental Nanotechnology(ReCENT) State Key Laboratory of Pollution Control and Resources ReuseSchool of EnvironmentNanjing UniversityNanjing 210023China

Phase manipulation of MoS_(2) from thermodynamically stable 2h phase to the unstable but more reactive 1T phase represents a crucial strategy for improving the reactivity in many *** widely adopted wet chemistry approach uses intercalating entities especially alkali metal ions to achieve the phase transition;however,these entities are normally inert for the target ***,we describe the first use of iron atoms for the intercalation of 2h-MoS_(2) layers,driving the partial transition from 2h to 1T ***,in the peroxymonosulfate(PMS)-based Fenton-like reactions,the interlayered confinement of Fe atoms not only activates the inert basal plane,but also adds more reactive Fe sites for the formation of metal-PMS complex as primary reactive species for pollutant *** the degradation of a model pollutant carbamazepine(CBZ),the Fe-intercalated MoS_(2) exhibits a first order rate constant 13.3 times higher than 2h-MoS_(2).This strategy is a new direction for manipulating the phase composition and boosting the catalytic reactivity of MoS_(2)-based catalysts in various scenarios,including environmental remediation and energy applications.

关键词： confinement MoS_(2) Fe atoms Fenton-like reactions hydrogen evolution reaction

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A multifunctional electrolyte additive for zinc-ion capacitors with low temperature resistant and long lifespan

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Journal of Energy Chemistry 2024年第7期94卷 477-485页

作者： Ming Sun Zekai Zhang Sh.q.ng Fu Yifan Zhang Ruoyu Wang hongchun Mu cheng Lian Wenqiang Wang Gengchao Wang Shanghai Engineering Research Center of hierarchical Nanomaterials Shanghai Key Laboratory of Advanced Polymeric MaterialsSchool of Materials Science and EngineeringEast China University of Science and TechnologyShanghai 200237China State Key Laboratory of Chemical Engineering Shanghai Engineering Research Center of Hierarchical NanomaterialsFrontiers Science Center for Materiobiology and Dynamic Chemistryand School of Chemistry and Molecular EngineeringEast China University of Science and TechnologyShanghai 200237China State Key Laboratory of Molecular Engineering of Polymers Department of Macromolecular ScienceFudan UniversityShanghai 200438China

Aqueous zinc-ion capacitors (ZICs) are considered as potential candidates for next generation electrochemical energy storage devices due to their high safety and low ***,the existing aqueous ZICs usually have the problems of zinc dendrite growth and unsatisfactory performance at low ***,an erythritol (Eryt) additive with inhibition of zinc dendrites and anti-freezing capability was introduced into the *** experimental characterization and theoretical calculation confirm that the Eryt adsorbed on the surface of zinc anodes regulates the deposition orientation of Zn^(2+) and inhibits the formation of *** also reconstructs the solvation structure in the electrolyte to reduce water activity,enabling the electrolyte to have a lower freezing point for operation at low *** the assistance of Eryt,the Zn||Zn symmetric cell exhibits a long cycle life of 2000 h,while the ZIC assembled with activated carbon (AC) cathode and zinc anode (Zn||AC) maintains a capacity retention of 98.2% after 30,000 cycles at a current density of 10 A g^(-1)(even after 10,000 cycles at-20°C,the capacity retention rate reached 94.8%.).This work provides a highly scalable,low-cost and effective strategy for the protection of the anodes of low-temperature aqueous ZICs.

关键词： Zinc-ioncapacitors Electrolyte additive Dendrite-free Freeze-resistant electrolyte

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Copper-Catalyzed hydrogen Production through the Dehydrogenative Coupling of Methanol and Diamine

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Precision Chemistry 2024年第4期2卷 138-142页

作者： Danyang cheng Shixiang Yu Meng Wang Ding Ma Beijing National Laboratory for Molecular Sciences New Cornerstone Science LaboratoryCollege of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871China

A hydrogen storage system was developed via heterogeneous catalysis,employing the dehydrogenative coupling of methanol and N,N′-dimethylethylenediamine to efficiently produce high-purity h_(2).In this process,the Cu/ZnO/Al_(2)O_(3) catalyst displayed superior activity in hydrogen production,with Cu+identified as the major active site through comprehensive characterization.

关键词： methanol reforming hydrogen release aminocarbonylation dehydrogenative coupling Cu/ZnO/Al_(2)O_(3)catalyst

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Gapless Genome Assembly of Zh8015 and Preliminary Multi-Omics Analysis to Investigate Zh8015's Responses Against Brown Planthopper Infestation

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Rice science 2024年第3期31卷 317-327,I0042-I0045页

作者： LI Dian DUAN Wenjing LIU qun’en WU Weixun ZhAN Xiaodeng SUN Lianping ZhANG Yingxin cheng Shihua State Key Laboratory of Rice Biology and Breeding China National Rice Research InstituteHangzhou 310006China

Accurate genomic information is essential for advancing genetic breeding research in specific rice *** study presented a gapless genome assembly of the indica rice cultivar Zhonghui 8015(Zh8015)using Pac Bio hiFi,hi-C,and ONT(Oxford Nanopore Technologies)ultra-long sequencing technologies,annotating 43037 gene ***,utilizing this genome along with transcriptomic and metabolomic techniques,we explored Zh8015's response to brown planthopper(BPh)*** transcriptomic sampling indicated significant changes in gene expression levels around 48 h after BPh *** analysis revealed particularly significant alterations in genes related to reactive oxygen species scavenging and cell wall *** results demonstrated marked increases in levels of several monosaccharides,which are components of the cell wall and dramatic changes in flavonoid *** association analysis identified differentially expressed genes associated with key metabolites,shedding light on Zh8015's response to BPh *** summary,this study constructed a reliable genome sequence resource for Zh8015,and the preliminary multi-omics results will guide future insect-resistant breeding research.

关键词： brown planthopper gapless genome genome assembly multi-omics Nilaparvata lugens rice

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Geochemistry and origins of hydrogen-containing natural gases in deep Songliao Basin,China:Insights from continental scientific drilling

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Petroleum Science 2024年第2期21卷 741-751页

作者： Shuang-Biao han Chao-han Xiang Xin Du Lin-Feng Xie Jie huang cheng-Shan Wang College of Geoscience and Surveying Engineering China University of Mining and TechnologyBeijing100083China State Key Laboratory of Biogeology and Environmental Geology China University of GeosciencesBeijing100083China

The different reservoirs in deep Songliao Basin have non-homogeneous lithologies and include multiple layers with a high content of hydrogen *** gas composition and stable isotope characteristics vary significantly,but the origin analysis of different gas types has previously been *** on the geochemical parameters of gas samples from different depths and the analysis of geological settings,this research covers the diverse origins of natural gas in different *** gas components are mainly methane with a small amount of C_(2+),and non-hydrocarbon gases,including nitrogen(N_(2)),hydrogen(h_(2)),carbon dioxide(CO_(2)),and helium(he).At greater depth,the carbon isotope of methane becomes heavier,and the hydrogen isotope points to a lacustrine sedimentary *** increasing depth,the origins of N_(2)and CO_(2)change gradually from a mixture of organic and inorganic to *** origins of hydrogen gas are complex and include organic sources,water radiolysis,water-rock(Fe^(2+)-containing minerals)reactions,and *** shales of Denglouku and Shahezi Formations,as source rocks,provide the premise for generation and occurrence of organic ***,the deep faults and fluid activities in Basement Formation control the generation and migration of mantle-derived *** discovery of a high content of h_(2)in study area not only reveals the organic and inorganic association of natural-gas generation,but also provides a scientific basis for the exploration of deep hydrogen-rich gas.

关键词： Gas compositions Stable isotopes Gas origins hydrogen gas Songliao Basin

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Bimetallic selenide heterostructure with directional built-in electricfield confined in N-doped carbon nanofibers for superior sodium storage with ultralong lifespan

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Journal of Energy Chemistry 2024年第4期91卷 407-416页

作者： Junying Weng Degui Zou Wenyong Yuan Pengfei Zhou Minghui Ding Jin Zhou hailin Cong Fangyi cheng School of Materials Science and Engineering Shandong University of TechnologyZibo 255000ShandongChina School of Chemistry and Chemical Engineering Shandong University of TechnologyZibo 255000ShandongChina Key Laboratory of Advanced Energy Materials Chemistry(Ministry of Education) College of ChemistryNankai UniversityTianjin 300071China

Constructing heterostructure is considered as an effective strategy to address the sluggish electronic and ionic kinetics of anode materials for sodium ion batteries(SIBs).however,realizing the orientated growth and uniform distribution of the heterostructure is still a great ***,the regulated novel CoSe_(2)/NiSe_(2)heterostructure confined in N-doped carbon nanofibers(CoSe_(2)/NiSe_(2)@N-C)are prepared by using Co/Ni-ZIF template,in which,the CoSe_(2)/NiSe_(2)heterostructures realize uniform distribution on a micro *** from the unique heterostructure and N-doped carbon nanofibers,the CoSe_(2)/NiSe_(2)@N-C deliveries superior rate capability and durable cycle lifespan with a reversible capacity of 400.5 mA h g^(-1)after 5000 cycles at 2 A g^(-1).The Na-ion full battery with CoSe_(2)/NiSe_(2)@N-C anode and layered oxide cathode displays a remarkable energy density of 563 W h kg^(-1)with 241.1 W kg^(-1)at 0.1 A g^(-1).The theoretical calculations disclose that the periodic and directional built-in electric-field along with the heterointerfaces of CoSe_(2)/NiSe_(2)@N-C can accelerate electrochemical reaction *** in(ex)situ experimental measurements reveal the reversible conversion reaction and stable structure of CoSe_(2)/NiSe_(2)@N-C during Na+insertion/*** study highlights the potential ability of precisely controlled heterostructure to stimulate the electrochemical performances of advanced anode for SIBs.

关键词： CoSe_(2)/NiSe_(2) heterostructure Built-in electric-field Rate capability Ultralong lifespan Sodium ion batteries

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洋中脊动力学与俯冲带地震-岩浆-成矿事件远程效应

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地学前缘 2024年第1期31卷 1-14页

作者：成秋明中国地质大学(北京)地质过程与矿产资源国家重点实验室北京100083 中国地质大学(北京)教育部深时数字地球前沿科学中心北京100083 中山大学地球科学与工程学院广东珠海519080

板块俯冲带和大陆岩浆弧的深部过程与极端地质事件之间存在密切的关系。板块俯冲与造山过程会导致地震、岩浆活动和成矿等事件的发生。这些极端事件的发生与俯冲过程中的壳幔相互作用、地幔楔形成、岩石圈部分熔融、构造-岩浆活动等因... 详细信息

板块俯冲带和大陆岩浆弧的深部过程与极端地质事件之间存在密切的关系。板块俯冲与造山过程会导致地震、岩浆活动和成矿等事件的发生。这些极端事件的发生与俯冲过程中的壳幔相互作用、地幔楔形成、岩石圈部分熔融、构造-岩浆活动等因素密切相关。然而,人们对洋中脊新生地壳的不均匀性或先天“缺陷”对以上的极端事件的长远影响和远程效应了解甚少。在洋中脊新的地壳形成过程中,由于受到板块扩张、压力降低、软流圈物质上涌等因素的作用,导致新生地壳温度升高、孔隙度和裂缝发育、密度降低、结构复杂的正反馈过程。因此,新生地壳在密度、强度、温度、厚度等方面存在非均质性。这些地壳的差异性将影响和决定板块在扩张和俯冲过程中的行为,并对板块俯冲作用形成的地震、岩浆和成矿等事件产生远程影响。以太平洋俯冲和安第斯造山带为例研究发现,板块运动速度、板块俯冲角度、板片撕裂、岩石圈厚度、Moho面深度等的突变与地震、火山和斑岩矿床的时空分布存在远程关联效应,这些认知对预测板块俯冲-碰撞带发生的极端地质事件的时空分布具有重要意义。

关键词：洋中脊板块俯冲地震火山成矿远程关联

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In-situ transformed Mott-Schottky heterointerface in silver/manganese oxide nanorods boosting oxygen reduction,oxygen evolution,and hydrogen evolution reactions

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Nano Research 2024年第5期17卷 3622-3632页

作者： Ruiqi cheng Kaiqi Li huanxin Li Fengzhan Sun Xiaoqian he Tianshuo Zhao Jiao Zhang Chaopeng Fu Shanghai Key Laboratory of Advanced high-temperature Materials and Precision Forming School of Materials Science and EngineeringShanghai Jiao Tong UniversityShanghai 200240China Christopher Ingold Laboratory Department of ChemistryUniversity College LondonLondon WC1H 0AJUK Department of Chemistry Physical&Theoretical Chemistry LaboratoryUniversity of OxfordSouth Parks RoadOxford OX13QZUK Center of hydrogen Science School of Materials Science and EngineeringShanghai Jiao Tong UniversityShanghai 200240China

The development of non-platinum group metal(non-PGM)and efficient multifunctional electrocatalysts for oxygen reduction reaction(ORR),oxygen evolution reaction(OER),and hydrogen evolution reaction(hER)with high activity and stability remains a great ***,by in-situ transforming silver manganese composite oxide heterointerface into boosted Mott-Schottky heterointerface through a facile carbon reduction strategy,a nanorod-like silver/manganese oxide with superior multifunctional catalytic activities for ORR,OER and hER and stability was *** nanorod-like silver/manganese oxide with Mott-Schottky heterointerface(designated as Ag/Mn_(3)O_(4))exhibits an ORR half-wave potential of 0.831 V(***)in 0.1 M KOh,an OER overpotential of 338 mV and a hER overpotential of 177 mV at the current density of 10 mA·cm^(-2)in 1 M KOh,contributing to its noble-metal benchmarks comparable performance in aqueous aluminum-air(Al-air)battery and laboratorial overall water splitting electrolytic ***,in-situ electrochemical Raman and synchrotron radiation spectroscopic measurements were conducted to further illustrate the catalytic mechanism of Ag/Mn_(3)O_(4)Mott-Schottky heterointerface towards various electrocatalytic *** the heterointerface,the Ag phase serves as the electron donor and the active phase for ORR and hER,while the Mn_(3)O_(4)phase serves as the electron acceptor and the active phase for OER,*** work deepens the understanding of the Mott-Schottky effect on electrocatalysis and fills in the gap in fundamental physical principles that are behind measured electrocatalytic activity,which offers substantial implications for the rational design of cost-effective multifunctional electrocatalysts with Mott-Schottky effect.

关键词： heterointerface electron donor-acceptor pair electrocatalyst Al-air battery water splitting

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A numerical model study on the spatial and temporal variabilities of dissolved oxygen in qinzhou Bay of the northern Beibu Gulf

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Acta Oceanologica Sinica 2024年第6期43卷 49-59页

作者： Gaolei cheng Sh.q.u Peng Bin Yang Dongliang Lu State Key Laboratory of Tropical Oceanography South China Sea Institute of OceanologyChinese Academy of SciencesGuangzhou 510301China Laboratory for Regional Oceanography and Numerical Modeling Qingdao National Laboratory for Marine Science and TechnologyQingdao 266237China Guangxi Key Laboratory of Marine Environmental Change and Disaster in the Beibu Gulf Beibu Gulf UniversityQinzhou 535011China

Oxygen facilitates the breakdown of the organic material to provide energy for *** concentration of dissolved oxygen(DO) in the water must exceed a certain threshold to support the normal metabolism of marine *** in the northern B eibu Gulf,qinzhou B ay receives abundant freshwater and nutrients from several rivers which significantly influence the level of the dissolved ***,the spatial-temporal variations of DO as well as the associated driving mechanisms have been rarely studied through field *** this study,a three-dimension al coupled physical-biogeochemical model is used to investigate the spatial and seasonal variations of the DO and the associated driving mechanisms in qinzhou B *** validation against observations indicates that the model can capture the seasonal and inter-annual variability of the DO concentration with the range of 5-10 mg/*** experiments show that the river discharges,winds and tides play crucial roles in the seasonal variability of the DO by changing the vertical mixing and stratification of the water column and the circulation *** winter,the tide and wind forces have strong effects on the DO distribution by enhancing the vertical mixing,especially near the bay *** summer,the river discharges play a dominant role in the DO distribution by inhibiting the vertical water exchange and delivering more nutrients to the Bay,which increases the DO depletion and results in lower DO on the bottom of the estuary salt *** findings can contribute to the preservation and management of the coastal environment in the northern Beibu Gulf.

关键词： river plume dissolved oxygen stratification physical-biological model

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A nonradical oxidation process initiated by Ti-peroxo complex showed high specificity toward the degradation of tetracycline antibiotics

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Chinese Chemical Letters 2024年第5期35卷 366-370页

作者： Jian Peng Yue Jiang Shuangyu Wu Yanran cheng Jingyu Liang Yixin Wang Zhuo Li Sijie Lin College of Environmental Science and Engineering Biomedical Multidisciplinary Innovation Research InstituteShanghai East HospitalTongji UniversityShanghai 200092China Key Laboratory of Yangtze River Water Environment Shanghai Institute of Pollution Control and Ecological SecurityTongji UniversityShanghai 200092China

Nonradical oxidation has received wide attention in advanced oxidation processes for environmental *** the relationship between material characteristics and their ability to initiate nonradical oxidation processes is the key to better material design and ***,a novel titanium-based metal-organic framework MIL-125-Ti/h_(2)O_(2) system was established to show a highly selective degradation efficacy toward tetracycline ***-125-Ti with the abundance of TiO6 octahedra units was found to effectively activate h_(2)O_(2) under dark conditions by forming an oxidative Ti-peroxo *** presence of the Ti-peroxo complex,confirmed by UV-visible spectrophotometer,fourier transform infrared spectroscopy,and X-ray photoelectron spectroscopy characterizations,showed superior degradation(>95%removal rate)of oxytetracycline hydrochloride(OTC),doxycycline hydrochloride,chlortetracycline hydrochloride,and *** functional theory calculations were performed to assist the elucidation on the mechanism of h_(2)O_(2) activation and antibiotics *** MIL-125-Ti/h_(2)O_(2) system was highly resistant to halogens and background organics,and could well maintain its original catalytic activity in actual water *** retained the ability to degrade 75%of OTC within ten test *** study provides new insight into the nonradical oxidation process initiated by the unique Ti-peroxo complex of Ti-based MOF.

关键词： Nonradical oxidation Metal-organic frameworks Advanced oxidation process Ti-peroxo complex Antibiotics degradation

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