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Atomic Dispersed Hetero‑Pairs for Enhanced Electrocatalytic CO_(2)Reduction

nano-Micro Letters 2024年第1期16卷 55-67页

作者： zhaoyong j.n Meiqi Yang Yilong Dong Xingcheng Ma Ying Wang jiandong Wu j.nchang Fan Dewen Wang Rongshen Xi Xiao zhao Tianyi Xu j.ngxiang zhao Lei Zhang David j.Singh Weitao Zheng Xiaoqiang Cui State Key Laboratory of Automotive Simulation and Control School of Materials Science and EngineeringKey Laboratory of Automobile Materials of MOEElectron Microscopy CenterJilin UniversityChangchun 130012People’s Republic of China Key Laboratory of Photonic and Electronic Bandgap Materials Ministry of Educationand College of Chemistry and Chemical EngineeringHarbin Normal UniversityHarbin 150025People’s Republic of China College of Chemistry Jilin UniversityChangchun 130012People’s Republic of China Department of Physics and Astronomy and Department of Chemistry University of MissouriColumbiaMO 65211USA

Electrochemical carbon dioxide reduction reaction(CO_(2)RR)involves a variety of intermediates with highly correlated reaction and ad-desorption energies,hindering optimization of the catalytic *** example,increasing the binding of the*COOH to the active site will generally increase the*CO desorption *** this relationship may be expected to dramatically improve the intrinsic activity of CO_(2)RR,but remains an unsolved ***,we addressed this conundrum by constructing a unique atomic dispersed hetero-pair consisting of Mo-Fe di-atoms anchored on n-doped carbon *** system shows an unprecedented CO_(2)RR intrinsic activity with TOF of 3336 h−1,high selectivity toward CO production,Faradaic efficiency of 95.96%at−0.60 V and excellent *** calculations show that the Mo-Fe diatomic sites increased the*COOH intermediate adsorption energy by bridging adsorption of*COOH *** the same time,d-d orbital coupling in the Mo-Fe di-atom results in electron delocalization and facilitates desorption of*CO ***,the undesirable correlation between these steps is *** work provides a promising approach,specifically the use of di-atoms,for breaking unfavorable relationships based on understanding of the catalytic mechanisms at the atomic scale.

关键词： CO_(2)reduction reaction Atomic dispersed catalyst Hetero-diatomic pair Ad-desorption energy Linear scaling relation

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Tuning interface mechanism of FeCo alloy embedded n,S-codoped carbon substrate for rechargeable Zn-air battery

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journal of Energy Chemistry 2024年第6期93卷 400-410,I0010页

作者： Hui Chang Lulu zhao Shan zhao Zong-Lin Liu Peng-Fei Wang Ying Xie Ting-Feng Yi School of Materials Science and Engineering Northeastern UniversityShenyang 110819LiaoningChina Key Laboratory of Functional Inorganic Material Chemistry Ministry of EducationSchool of Chemistry and Materials ScienceHeilongjiang UniversityHarbin 150080HeilongjiangChina Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province School of Resources and MaterialsNortheastern University at QinhuangdaoQinhuangdao 066004HebeiChina

The interface mechanism between catalyst and carbon substrate has been the focus of *** this paper,the FeCo alloy embedded n,S co-doped carbon substrate bifunctional catalyst(FeCo/S-nC)is obtained by a simple one-step pyrolysis *** experimental results and density functional theory(DFT)calculation show that the formation of FeCo alloy is conducive to promoting electron transfer,and the introduction of S atom can enhance the interaction between FeCo alloy and carbon substrate,thus inhibiting the migration and agglomeration of particles on the surface of carbon *** FeCo/SnC catalysts show outstanding performance for oxygen reduction reaction(ORR)and oxygen evolution reaction(OER).FeCo/S-nC shows a high half-wave potential(E_(1/2)=0.8823 V)for ORR and a low overpotential at 10 mA cm^(-2)(E_(j=10)=299 mV)for *** addition,compared with Pt/C+RuO_(2) assembled Zn-air battery(ZAB),the FeCo/S-nC assembled ZAB exhibits a larger power density(198.8 mW cm^(-2)),a higher specific capacity(786.1 mA h g_(zn)~(-1)),and ultra-stable cycle *** results confirm that the optimized composition and the interfacial interaction between catalyst and carbon substrate synergistically enhance the electrochemical performance.

关键词： FeCo alloy n S co-doped carbon DFT calculation Zn-air batteries Interfacial interaction

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HDPairFinder:A data processing platform for hydrogen/deuterium isotopic labeling-based nontargeted analysis of trace-level amino-containing chemicals in environmental water

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journal of Environmental Sciences 2024年第2期136卷 583-593页

作者： Tingting zhao Kristin Carroll Caley B.Craven nicholas j.P.Wawryk Shipei Xing jian Guo Xing-Fang Li Tao Huan Department of Chemistry Faculty of ScienceUniversity of British ColumbiaVancouver Campus2036 Main MallVancouverBritish ColumbiaV6T 1Z1Canada Division of Analytical and Environmental Toxicology Department of Laboratory Medicine and PathologyFaculty of Medicine and DentistryUniversity of AlbertaEdmontonAlberta T6G 2G3Canada

The combination of hydrogen/deuterium(H/D)formaldehyde-based isotopic methyl labeling with solid-phase extraction and high-performance liquid chromatography–high resolution mass spectrometry(HPLC-HRMS)is a powerful analytical solution for nontargeted analysis of trace-level amino-containing chemicals in water *** the huge amount of chemical information generated in HPLC-HRMS analysis,identifying all possible H/Dlabeled amino chemicals presents a significant challenge in data *** address this,we designed a streamlined data processing pipeline that can automatically extract H/D-labeled amino chemicals from the raw HPLC-HRMS data with high accuracy and ***,we developed a cross-correlation algorithm to correct the retention time shift resulting from deuterium isotopic effects,which enables reliable pairing of H-and D-labeled ***,we implemented several bioinformatic solutions to remove false chemical features generated by in-source fragmentation,salt adduction,and natural13C ***,we used a data mining strategy to construct the AMInES library that consists of over 38,000 structure-disjointed primary and secondary amines to facilitate putative compound ***,we integrated these modules into a freely available R program,*** rationale of each module was justified and its performance tested using experimental H/D-labeled chemical standards and authentic water *** further demonstrated the application of HDPairFinder to effectively extract n-containing contaminants,thus enabling the monitoring of changes of primary and secondary n-compounds in authentic water *** is a reliable bioinformatic tool for rapid processing of H/D isotopic methyl labeling-based nontargeted analysis of water samples,and will facilitate a better understanding of n-containing chemical compounds in water.

关键词： Isotope labeling nontargeted analysis Reactive n-compounds HPLC-HRMS Source water

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Overlooked interaction between redox-mediator and bisphenol-A in permanganate oxidation

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Environmental Science and Ecotechnology 2024年第5期21卷 248-255页

作者： Honglong Zhang Qiaoqiao zhao Kangbao Zhong Ruopeng Bai jiaojiao Dong j.n Ma j.ng Zhang Timothy j.Strathmann School of Environment Harbin Institute of TechnologyHarbin150090PR China Institute of nuclear and new Energy Technology Tsinghua UniversityBeijing100084PR China School of Chemistry and Chemical Engineering Chongqing Key Laboratory of Chemical Theory and MechanismChongqing UniversityChongqing401331PR China College of Environment and Ecology Chongqing UniversityChongqing400045PR China Department of Civil and Environmental Engineering Colorado School of Mines1500 Illinois StreetGoldenCO80401United States

Research efforts on permanganate(Mn(VII))combined with redox-mediator(RM),have received increasing attention due to their significant performance for bisphenol-A(BPA)***,the mechanisms underpinning BPA degradation remain *** we show the overlooked interactions between RM and BPA during permanganate oxidation by introducing an RMdn-hydroxyphthalimide(nHPI).We discovered that the concurrent generation of MnO_(2) and phthalimide-n-oxyl(PInO)radical significantly enhances BPA oxidation within the pH range of *** detection of radical cross-coupling products between PInO radicals and BPA or its derivatives corroborates the pivotal role of radical cross-coupling in BPA ***,we observed the formation of an nHPI-BPA complex,which undergoes preferential oxidation by Mn(VII),marked by the emergence of an electronrich domain in *** findings unveil the underlying mechanisms in the Mn(VII)/RM system and bridge the knowledge gap concerning BPA transformation via *** research paves the way for further exploration into optimizing complexation sites and RM dosage,significantly enhancing the system's efficiency in water treatment applications.

关键词： Permanganate Redox-mediator Bisphenol-A Radical cross-coupling Complexation

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Effi cacy of partial and complete resuscitative endovascular balloon occlusion of the aorta in the hemorrhagic shock model of liver injury

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World journal of Emergency Medicine 2024年第1期15卷 10-15页

作者： Yi Shan Yang zhao Chengcheng Li jianxin Gao Guogeng Song Tanshi Li Department of Emergency Medicine Chinese PLA Medical SchoolBeijing 100853China Department of Emergency Medicine the Sixth Medical Center of PLA General HospitalBeijing 100048China Department of Emergency Medicine School of MedicineSouth China University of TechnologyGuangzhou 510006China Department of Emergency Medicine the First Medical Center of PLA General HospitalBeijing 100853China

BACKGROUnD:Resuscitative endovascular balloon occlusion of the aorta(REBOA)can temporarily control traumatic ***,its prolonged use potentially leads to ischemia-reperfusion injury(IRI).Partial REBOA(pREBOA)can alleviate ischemic burden;however,its security and eff ectiveness prior to operative hemorrhage control remains ***,we aimed to estimate the effi cacy of pREBOA in a swine model of liver injury using an experimental sliding-chamber ballistic ***:Twenty Landrace pigs were randomized into control(no aortic occlusion)(n=5),intervention with complete REBOA(cREBOA)(n=5),continuous pREBOA(C-pREBOA)(n=5),and sequential pREBOA(S-pREBOA)(n=5)*** the cREBOA and C-pREBOA groups,the balloon was inflated for 60 *** hemodynamic and laboratory values were compared at various observation time *** samples immediately after animal euthanasia from the myocardium,liver,kidneys,and duodenum were collected for histological assessment using hematoxylin and eosin ***:Compared with the control group,the survival rate of the REBOA groups was prominently improved(all Pn the cREBOA group(493.14±127.31 mL)compared with other groups(Pnificantly lower at 180 min in the cREBOA and S-pREBOA groups(Pn,the S-pREBOA group showed higher alanine aminotransferase(Pnitrogen compared with the cREBOA group(PnCLUSIOn:In this trauma model with liver injury,a 60-minute pREBOA resulted in improved survival rate and was effective in maintaining reliable aortic pressure,despite persistent *** tolerance time for aortic occlusion in Zone I for non-compressible torso hemorrhage was feasible with both continuous partial and sequential partial measures,and the significant improvement in the severity of acidosis and distal organ injury was observed in the sequential pREBOA.

关键词： non-compressible torso hemorrhage Liver injury Ischemia-reperfusion injury Resuscitative endovascular balloon occlusion of the aorta

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Realize ultralow-energy-consumption photo-synaptic device based on a single(Al,Ga)n nanowire for neuromorphic computing

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nano Research 2024年第3期17卷 1933-1941页

作者： Xiushuo Gu Min Zhou Yukun zhao Qianyi Zhang jianya Zhang Yonglin Huang Shulong Lu College of Electronic and Optical Engineering&College of Flexible Electronics(Future Technology) Nanjing University of Posts and TelecommunicationsNanjing 210023China Key Lab of nanodevices and Applications Suzhou Institute of Nano-Tech and Nano-Bionics(SINANO)Chinese Academy of Sciences(CAS)Suzhou 215123China School of nano-Tech and nano-Bionics University of Science and Technology of ChinaHefei 230026China jiangsu Key Laboratory of Micro and nano Heat Fluid Flow Technology and Energy Application School of Physical Science and TechnologySuzhou University of Science and TechnologySuzhou 215009China

The rapid development of artificial intelligence poses an urgent need for low-energy-consumption and small-sized artificial photonic ***,it is pretty novel to demonstrate a light-stimulated synaptic device based on a single(Al,Ga)n nanowire *** to the presence of vacancy defects in the single nanowire,the artificial synaptic device can simulate multiple functions of biological synapses under stimulation of both 310 and 365 nm light photons,including paired-pulse facilitation,spike timing dependent plasticity,and memory learning *** energy consumption of artificial synaptic device can be reduced as little as 5.58×10^(-13) j,which is close to that of the biological synapse in human ***,the synaptic device is demonstrated to have the high stability for both long-time stimulation and long-time *** on the experimental conductance of long-term potentiation and long-term depression,the simulated three-layer neural network can achieve a high recognition rate of 92%after only 10 training *** a brain-like behavior,the single-nanowire-based synaptic devices can promote the development of visual neuromorphic computing technology and artificial intelligence systems requiring ultralow energy consumption.

关键词： single(Al Ga)n nanowire light-stimulated synaptic device low-energy-consumption neural network

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Composite fault mechanism and vibration characteristics of high-speed train axle-box bearings

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International journal of Mechanical System Dynamics 2024年第2期4卷 240-254页

作者： Weixu zhao Yongqiang Liu Baosen Wang Yingying Liao School of Mechanical Engineering Shijiazhuang Tiedao UniversityShijiazhuangChina School of Traffic and Transportation Shijiazhuang Tiedao UniversityShijiazhuangChina School of Civil Engineering Shijiazhuang Tiedao UniversityShijiazhuangChina

Axle-box bearings are crucial components of high-speed trains and operate in challenging *** service mileage increases,these bearings are susceptible to various failures,posing a safety risk to high-speed train ***,it is crucial to examine the deployment methods of axle-box bearings.A dynamic model of axle-box bearings for high-speed trains with compound faults is constructed by setting up separate faults in two rows of double-row tapered roller bearings based on a single-fault *** model's high accuracy in expressing compound faults is verified through corresponding experimental ***,the frequency domain diagram of system vibration response under varying rotational speed conditions is obtained,and the amplitude corresponding to the single frequency is extracted and analyzed to identify the optimal rotational speed band for composite fault ***,the optimal speed band is analyzed under different faults,different load sizes,and different composite fault *** can be concluded that the determination of the optimal speed band is solely influenced by the composite fault type and is independent of the fault and load ***,it is concluded that the energy proportion of faults in different positions changes periodically with the change in speed,and this phenomenon is not affected by the fault sizes or load magnitude.

关键词： axle-box bearings compound failures high-speed trains optimum speed band

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Semitransparent Organic Solar Cells with Superior Thermal/Light Stability and Balanced Efficiency and Transmittance

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Energy & Environmental Materials 2024年第4期7卷 215-222页

作者： Zhipeng Yin Huan zhao Yang Liu Xunwen Xiao Yong Zhang Huahang Lai ning Li Hai-Qiao Wang School of Materials Science and Engineering Ningbo Tech University State Key Laboratory of Luminescent Materials and Devices Institute of Polymer Optoelectronic Materials and Devices School of Materials Science and Engineering South China University of Technology ningbo University of Technology ningbo Institute of Technology Beihang University Hangna nanofabrication Equipment Co. Ltd.

Semitransparent organic solar cells show attractive potential in the application of building-integrated photovoltaics,agrivoltaics,floating photovoltaics,and wearable electronics,as their multiple functionalities of e... 详细信息

关键词： organic solar cell semitransparent thermal/light stability

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A compact route for efficient production of high-purityβ-Ga_(2)O_(3) powder

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Rare Metals 2024年第9期43卷 4573-4584页

作者： Xiao-Wei Zhou Gao-jie Chen Liang Xu Zhi-j.n Shao Cheng Yang Yong-Pan Tian Zhuo zhao School of Metallurgical Engineering Anhui University of TechnologyMa'anshan 243032China Low-Carbon Research Institute Anhui University of TechnologyMa'anshan 243032China

The present study has proposed a compact process for the production of high-purityβ-Ga_(2)O_(3)powder by simply using gallium metal and water as the raw *** process basically consists of two essential steps including hydrothermal synthesis of Ga OOH and calcination of Ga OOH for the production of the target product ofβ-Ga_(2)O_(3).Thermodynamic evaluation and systematic experiments were conducted for process parameter optimization.X-ray diffractometer(XRD),scanning electron microscopy(SEM),thermogravimetryDdifferential scanning calorimetry(TG-DSC)and X-ray photoelectron spectroscopy(XPS)were utilized to clarify the reaction mechanisms of the hydrothermal synthesis and transformation of Ga OOH toβ-Ga_(2)O_(3)by *** analysis of the final product ofβ-Ga_(2)O_(3)obtained under the optimal conditions was carried out with inductively coupled plasma mass spectrometry(ICP-MS),and the results showed that the contents of the representative impurities such as ni,Cu,In,Mn,Co,Zn and Cr are obviously lower than the requirement of 5nβ-Ga_(2)O_(3)standard,exhibiting excellent application prospect of the proposed process to produce high-purityβ-Ga_(2)O_(3).

关键词： β-Ga_(2)O_(3) Hydrothermal synthesis Calcination Purity Reaction mechanism

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Limosilactobacillus mucosae FZjTZ26M3 prevents nAFLD in mice through modulation of lipid metabolism and gut microbiota dysbiosis

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Food Science and Human Wellness 2024年第3期13卷 1589-1601页

作者： Danting Dang Bowen Li Mengfan Ding RPaul Ross Catherine Stanton jianxin zhao Bo Yang Wei Chen State Key Laboratory of Food Science and Resources Jiangnan UniversityWuxi 214122China School of Food Science and Technology Jiangnan UniversityWuxi 214122China International joint Research Center for Probiotics&Gut Health Jiangnan UniversityWuxi 214122China APC Microbiome Ireland University College CorkCork T12 YT20Ireland Teagasc Food Research Centre MooreparkFermoyCork T12 YT20Ireland national Engineering Research Center for Functional Food Jiangnan UniversityWuxi 214122China

Lactobacillus are considered promising therapeutic methods for nonalcoholic fatty liver disease(nAFLD).The effects of two strains of Ltmosilactobacillus mucosae on nAFLD were investigated in this ***-old male C57BL/6j mice were divided into 4 groups(n=8 per group,Control,Model,FZjTZ26M3,FGSYC17L3).*** FZjTZ26M3 reduced the mice 's body weight,liver weight,and adipose tissue weight after 12 weeks of *** to serum analysis,total cholesterol,triacylglycerol,and low-density lipoprotein cholesterol significantly decreased after *** FZjTZ26M3 *** pathology showed that *** FZjTZ26M3 was effective to ameliorate lipid deposition in nAFLD ***,the expression of the gene related to lipid metabolism in the liver and adipose tissue was analyzed,and the results indicated that *** FZjTZ26M3 could alleviate nAFLD by regulating lipid ***,the results of 16S rRnA gene sequencing revealed a drop in the relative abundance of Ruminococcaceae,which is linked to inflammation,but the relative abundance of a potential probiotic Akkermansia significantly increased after *** FZjTZ26M3 ***,*** FZjTZ26M3 could be a candidate to prevent nAFLD.

关键词： Limosilactobacillus mucosae nonalcoholic fatty liver disease(nAFLD) Probiotic Lipid metabolism Gut microbiota

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