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High Areal Capacity and Long Cycle Life Flexible Mild Quasi-Solid-State Ag-Zn Battery with Dendrite-Free Anode

Energy & Environmental Materials 2024年第1期7卷 34-41页

作者： Yanzhe Zhu Renbo Zhu Fandi Chen Shuo Zhang Yu-Chieh Kuo Peiyuan Guan Mengyao Li Yunjian Liu Zhaojun Han Tao Wan Dawei Wang Caiyun Wang Dewei Chu School of Materials Science and Engineering The University of New South WalesSydneyNew South Wales 2052Australia School of Material science and Engineering Jiangsu UniversityZhenjiang 212013China School of Chemical Engineering The University of New South WalesSydneyNew South Wales 2052Australia Intelligent Polymer Research Institute AIIMInnovation CampusUniversity of WollongongNorth Wollongong New South Wales 2522Australia

Silver-zinc(Ag-Zn)batteries are a promising battery system for flexible electronics owing to their high safety,high energy density,and stable output ***,poor cycling performance,low areal capacity,and inferior flexibility limit the practical application of Ag-Zn ***,we develop a flexible quasi-solid-state Ag-Zn battery system with superior performance by using mild electrolyte and binder-free *** foam current collector is introduced to impede the growth of Zn dendrite,and the structure of Ag cathode is engineered by electrodeposition and chloridization process to improve the areal *** novel battery demonstrates a remarkable cycle retention of 90%for 200 cycles at 3 mA cm^(-2).More importantly,this binder-free battery can afford a high capacity of 3.5 mAh cm^(-2)at 3 mA cm^(-2),an outstanding power density of 2.42 mW cm^(-2),and a maximum energy density of 3.4 mWh cm^(-2).An energy management circuit is adopted to boost the output voltage of a single battery,which can power electronic ink display and Bluetooth temperature and humidity *** developed battery can even operate under the extreme conditions,such as being bent and sealed in solid *** work offers a path for designing electrodes and electrolyte toward high-performance flexible Ag-Zn batteries.

关键词： binder-free electrodes dendrite-free flexible Ag-Zn battery mild electrolyte quasi-solid-state

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The component-activity interrelationship of cobalt-based bifunctional electrocatalysts for overall water splitting:Strategies and performance

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Journal of Energy Chemistry 2024年第4期91卷 453-474页

作者： Mingjie Sun Riyue Ge Sean Li Liming Dai Yiran Li Bin Liu Wenxian Li School of Materials Science and Engineering Shanghai UniversityShanghai 200444China Institute of Textiles and Clothing The Hong Kong Polytechnic UniversityHong Kong SAR 999077China School of Materials Science and Engineering University of New South WalesSydneyNew South Wales 2052Australia UNSW Materials&Manufacturing Futures Institute UNSW SydneyNew South Wales 2052Australia School of Chemical Engineering University of New South WalesSydneyNew South Wales 2052Australia

Cobalt-based electrocatalysts take advantage of potentially harmonizable microstructure and flexible coupling effects compared to commercial noble metal-based catalytic ***,conventional water electrolysis systems based on cobalt-based monofunctional hydrogen evolution reaction(HER)or oxygen evolution reaction(OER)catalysts have certain shortcomings in terms of resource utilization and *** contrast,cobalt-based bifunctional catalysts(CBCs)have attracted much attention in recent years for overall water splitting systems because of their practicality and reduced preparation cost of *** review aims to address the latest development in CBCs for total *** main modification strategies of CBCs are systematically classified in water electrolysis to provide an overview of how to regulate their morphology and electronic ***,the catalytic performance of CBCs in total-hydrolysis is summarized according to the types of cobalt-based phosphides,sulfides and oxides,and the mechanism of strengthened electrocatalytic ability is emphasized through combining experiments and theoretical *** efforts are finally suggested to focus on exploring the dynamic conversion of reaction intermediates and building near-industrial CBCs,designing advanced CBC materials through micro-modulation,and addressing commercial applications.

关键词： Cobalt Bifunctional electrocatalysis Water splitting Modification strategies Electrocatalytic performances

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Feature extraction for machine learning-based intrusion detection in IoT networks

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Digital Communications and Networks 2024年第1期10卷 205-216页

作者： Mohanad Sarhan Siamak Layeghy Nour Moustafa Marcus Gallagher Marius Portmann university of Queensland BrisbaneQLD4072Australia university of New South wales CanberraACT2612Australia

A large number of network security breaches in IoT networks have demonstrated the unreliability of current Network Intrusion Detection Systems(NIDSs).Consequently,network interruptions and loss of sensitive data have occurred,which led to an active research area for improving NIDS *** an analysis of related works,it was observed that most researchers aim to obtain better classification results by using a set of untried combinations of Feature Reduction(FR)and Machine Learning(ML)techniques on NIDS ***,these datasets are different in feature sets,attack types,and network ***,this paper aims to discover whether these techniques can be generalised across various *** ML models are utilised:a Deep Feed Forward(DFF),Convolutional Neural Network(CNN),Recurrent Neural Network(RNN),Decision Tree(DT),Logistic Regression(LR),and Naive Bayes(NB).The accuracy of three Feature Extraction(FE)algorithms is detected;Principal Component Analysis(PCA),Auto-encoder(AE),and Linear Discriminant Analysis(LDA),are evaluated using three benchmark datasets:UNSW-NB15,ToN-IoT and *** PCA and AE algorithms have been widely used,the determination of their optimal number of extracted dimensions has been *** results indicate that no clear FE method or ML model can achieve the best scores for all *** optimal number of extracted dimensions has been identified for each dataset,and LDA degrades the performance of the ML models on two *** variance is used to analyse the extracted dimensions of LDA and ***,this paper concludes that the choice of datasets significantly alters the performance of the applied *** believe that a universal(benchmark)feature set is needed to facilitate further advancement and progress of research in this field.

关键词： Feature extraction Machine learning Network intrusion detection system IoT

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Continuous high-efficient water-electricity cogeneration over a hybrid solar-driven water evaporation system and the working mechanism

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Science China Materials 2024年第7期67卷 2371-2372页

作者： Dewei Chu School of Materials Science and Engineering University of New South WalesSydneyNSW 2052Australia

With the escalation of industrialization and population growth,energy and clean water shortages pose an unprecedented threat to sustainable ***,it is imperative to develop green and effective strategies to address these *** this context,solar-driven interfacial water evaporation(SIWE)has emerged as a highly promising low-carbon solution to the water-energy nexus[1].By locating the evaporator at airwater interfaces,heat localization can be achieved,leading to high-efficient water evaporation and freshwater *** significantly,taking advantage of the special conditions during SIWE has opened numerous opportunities for generation of extra electrical power[2,3].Throughout the processes of SIWE,various elements such as photons,waves,capillary flow,evaporation,vapor motions,condensation,and droplet sliding can all be harnessed to produce electricity through photovoltaic,thermoelectric,thermogalvanic,pyroelectric,piezoelectric,triboelectricity and hydrovoltaic effects[3].Extensive research efforts have provided valuable insights for the development of water-electricity cogeneration(WEG)hybrid systems.

关键词： mechanism evaporation piezoelectric

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Strong coupling and catenary field enhancement in the hybrid plasmonic metamaterial cavity and TMDC monolayers

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Opto-Electronic Advances 2024年第5期7卷 20-32页

作者： Andergachew Mekonnen Berhe Khalil As’ham Ibrahim Al-Ani Haroldo T.Hattori Andrey E.Miroshnichenko School of Engineering and Technology University of New South Wales at CanberraNorthcott DriveCanberra ACT 2610Australia

Strong coupling between resonantly matched surface plasmons of metals and excitons of quantum emitters results in the formation of new plasmon-exciton hybridized energy *** plasmon-exciton strong coupling,plasmonic nanocavities play a significant role due to their ability to confine light in an ultrasmall ***,two-dimensional transition metal dichalcogenides(TMDCs) have a significant exciton binding energy and remain stable at ambient conditions,making them an excellent alternative for investigating light-matter *** a result,strong plasmon-exciton coupling has been reported by introducing a single metallic ***,single nanoparticles have lower spatial confinement of electromagnetic fields and limited tunability to match the excitonic ***,we introduce the concept of catenary-shaped optical fields induced by plasmonic metamaterial cavities to scale the strength of plasmon-exciton *** demonstrated plasmon modes of metallic metamaterial cavities offer high confinement and tunability and can match with the excitons of TMDCs to exhibit a strong coupling regime by tuning either the size of the cavity gap or *** calculated Rabi splitting of Au-MoSe_2 and Au-WSe_2 heterostructures strongly depends on the catenary-like field enhancement induced by the Au cavity,resulting in room-temperature Rabi splitting ranging between 77.86 and 320 me *** plasmonic metamaterial cavities can pave the way for manipulating excitons in TMDCs and operating active nanophotonic devices at ambient temperature.

关键词： catenary-shaped field enhancement strong coupling plasmon exciton Rabi splitting

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Regulating ion transport behaviors toward dendrite-free potassium metal batteries:recent advances and perspectives

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Rare Metals 2024年第4期43卷 1435-1460页

作者： Lu-Kang Zhao Xuan-Wen Gao Tian-Zhen Ren Da Wang Da-Wei Wang Zhao-Meng Liu Hong Chen Wen-Bin Luo School of Metallurgy Northeastern UniversityShenyang110819China School of Chemical Engineering The University of New South WalesSydneyNSW2052Australia

With abundant potassium resources and high capacity,potassium metal batteries(PMBs)present a compelling option for the next generation of energy storage ***,PMBs suffer from an unstable anode interface caused by uncontrolled dendrite growth,which results in unsatisfactory cyclability and safety *** investigations suggest that significant progress has been made in enhancing the interfacial stability of *** various effective strategies for stabilizing interfaces can ultimately be attributed to the regulation of the sluggish ion transfer kinetics and irregular deposition,i.e.,the arrangement of ion transport behaviors at the *** modulation of ions transport rate and ions deposition directions makes it possible to obtain a dendrite-free and smooth deposition ***,the influencing factors and action mechanism of K^(+)interface transport behaviors are discussed to understand the nature of material design for constructing stable anode interfaces,including regulating the solvation and desolvation structures,accelerating K^(+)transport kinetics and controlling K^(+)deposition *** addition,the deficiencies and prospects of the research on electrolyte,separators and designed electrode involved in the manufacturing and testing and ion transport process of PMBs are *** review is expected to provide some possible directions for constructing dendrite-free interfaces in advanced PMBs-related research and offer significant insights for prospective experimental research and commercial applications.

关键词： Ion transport rate Ion transport direction Interface Potassium metal batteries Dendrites growth

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Results of selective decontamination with oral neomycin and metronidazole for major colorectal surgery in Australia:A cohort study

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Laparoscopic, Endoscopic and Robotic Surgery 2024年第2期7卷 72-78页

作者： James Wei Tatt Toh Devansh Shah Henry Wang Charlotte Kwik Joseph Do Woong Choi Chelsie Leonie Beinke Paul Morris Eleni Baird-Gunning Geoffrey Peter Collins Fiona Gavegan Karen Shedden Toufic El-Khoury Nimalan Pathma-Nathan Kerry Hitos Department of Colorectal Surgery Westmead HospitalWestmeadNew South WalesAustralia The university of Sydney Westmead HospitalWestmeadNew South WalesAustralia Western Sydney university New South WalesAustralia university of Notre Dame New South WalesAustralia Westmead Research Centre for Evaluation of Surgical Outcomes Westmead HospitalSydneyAustralia

Objective The role of selective decontamination with oral antibiotics(OABs)and mechanical bowel preparation(MBP)prior to elective colorectal surgery is still widely *** objective of this study was to compare the outcomes of selective decontamination with neomycin,metronidazole and MBP compared to those of decontamination with MBP alone or with no *** Selective decontamination with neomycin and metronidazole combined with bowel preparation was introduced prior to elective colorectal surgery as part of an enhanced recovery after surgery program at Westmead Hospital,a major Australian tertiary referral hospital,between June 2017 and January *** between short-term outcomes of OAB+MBP and MBP/no preparation were made using prospectively collected data on length of stay(LOS),readmission,mortality within 30 days,anastomotic leakage(AL),surgical site infection(SSI),urinary tract infection,deep venous thrombosis and/or pulmonary embolism,pneumonia,and ***-up was limited to hospital stays and subsequent presentations within the health district within thirty days of *** Mann-Whitney U test was used to analyse continuous data,and the chi-square test was used for categorical *** and multivariate regression modelling was performed to identify risk factors associated with an increased likelihood of SSI and *** Patients with oral neomycin and metronidazole combined with bowel preparation had reduced superficial SSI(2.7%vs.7.6%,p=0.043)and overall complications(32.7%vs.44.6%,p=0.020),particularly Clavien-Dindo 1 complications(7.3%vs.16.5%,p=0.009).However,the differences in AL(2.7%vs.4.5%,p=0.369)and organ/space SSI(1.3%vs.3.7%,p=0.327)were not statistically *** median LOS(6 d vs.6 d,p=0.370)was not different between the *** Selective decontamination with neomycin and metronidazole reduces the risk of SSIs and overall *** was a trend to toward a lower AL,but this differ

关键词： Neomycin Metronidazole Colorectal surgery Anastomotic leakage Surgical site infection

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Effectiveness of ivermectin mass drug administration in the control of soil-transmitted helminth infections in endemic populations: a systematic review and meta-analysis

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Infectious Diseases of Poverty 2024年第1期13卷 1-15页

作者： Brandon Le Naomi E.Clarke Nicolas Legrand Susana Vaz Nery The Kirby Institute University of New South WalesLevel 6Wallace Wurth BuildingSydneyNSW2052Australia

Background Current soil-transmitted helminth(STH)control guidelines endorse the use of albendazole or meben-dazole for school-based targeted preventive chemotherapy(PC),yet their reduced efficacy against Strongyloides sterc-oralis and Trichuris trichiura presents significant *** evidence indicates that community-wide PC[or mass drug administration(MDA)]using ivermectin,commonly used in other neglected tropical disease(NTD)control programs,may play an important role in controlling these *** conducted a systematic review and meta-analysis to evaluate the effectiveness of ivermectin PC in reducing STH prevalence in endemic *** We searched Pubmed,EMBASE,and Web of Science on February 14,2023,for studies that investigated the effectiveness of ivermectin PC,either alone or in combination with other anthelmintic drugs,on STH infec-tions,and provided a measure of STH prevalence before and after *** calculated pooled prevalence reductions for each STH using random-effects *** protocol is available on PROSPERO(registration number CRD42023401219).Results A total of 21 were eligible for the systematic review,of which 15 were eligible for *** studies delivered ivermectin through *** pooled prevalence reduction of *** following MDA with ivermec-tin alone was 84.49%(95%CI:54.96-94.66)across five studies and 81.37%(95% CI:61.62-90.96)across seven studies with or without *** prevalence reduction of *** was 49.93%(95%CI:18.23-69.34)across five studies with ivermectin alone,and 89.40%(95%CI:73.66-95.73)across three studies with the addition of *** was high heterogeneity for all syntheses(I^(2)>65%).Conclusions This study underscores the key role of ivermectin-based MDA in addressing limitations in current global STH guidelines in terms of limited efficacy against *** and *** on these findings,revising inter-national STH guidelines to include i

关键词： Soil-transmitted helminths Ivermectin Albendazole Mass drug administration Preventive chemotherapy

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Supramolecular Polymerization of Hydrogen-Bonded Trimers in Bulk and Aqueous Medium

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CCS Chemistry 2024年第6期6卷 1458-1465页

作者： Freek V.de Graaf Stef A.H.Jansen Sandra M.C.Schoenmakers Bas van Genabeek Marle E.J.Vleugels Bart W.L.van den Bersselaar E.W.Meijer Ghislaine Vantomme Institute for Complex Molecular Systems Laboratory of Macromolecular and Organic ChemistryEindhoven University of Technology5600 MBEindhoven School of Chemistry and RNA Institute University of New South WalesSydneyNew South Wales 2052

Synthetic molecules that form functional noncovalent assemblies in water have received much attention for their potential applications as *** this work,we introduce a novel water-compatible monomer based on the phthalhydrazide moiety that assembles into hydrogen-bonded trimeric *** bulk,the material exhibits a cylindrical nanostructure in the liquid-crystalline phase at elevated temperatures,morphologically distinct from the crystalline lamellar *** water,these molecules effectively form cylinders in a one-dimensional fashion,yielding fibrous *** formation of these supramolecular polymers follows a cooperative mechanism,as evidenced by denaturation *** trimerized pattern represents a new category of aqueous su pramolecular polymers with future prospects for functional complex molecular systems.

关键词： noncovalent chemistry supramolecular polymers hydrogen bonding cooperativity nanostructure

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Theoretical and experimental study of a bi-stable piezoelectric energy harvester under hybrid galloping and band-limited random excitations

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Applied Mathematics and Mechanics(English Edition) 2024年第3期45卷 461-478页

作者： Haitao LI Tianyu ZHENG Weiyang QIN Ruilan TIAN Hu DING J.C.JI Liqun CHEN Department of Engineering Mechanics North University of ChinaTaiyuan 030051China Department of Engineering Mechanics Northwestern Polytechnical UniversityXi'an 710072China Department of Engineering Mechanics Shijiazhuang Tiedao UniversityShijiazhuang 050043China Shanghai Key Laboratory of Mechanics in Energy Engineering Shanghai Frontier Science Center of MechnoinformaticsShanghai Institute of Applied Mathematics and MechanicsSchool of Mechanics and Engineering ScienceShanghai UniversityShanghai 200072China School of Mechanical and Mechatronic Engineering University of Technology SydneyNew South Wales 2007Australia

In the practical environment,it is very common for the simultaneous occurrence of base excitation and *** the combined energy of vibration and wind with a single energy harvesting structure is *** this purpose,the effects of the wind speed and random excitation level are investigated with the stochastic averaging method(SAM)based on the energy *** results of the analytical prediction are verified with the Monte-Carlo method(MCM).The numerical simulation shows that the introduction of wind can reduce the critical excitation level for triggering an inter-well jump and make a bi-stable energy harvester(BEH)realize the performance enhancement for a weak base ***,as the strength of the wind increases to a particular level,the influence of the random base excitation on the dynamic responses is weakened,and the system exhibits a periodic galloping response.A comparison between a BEH and a linear energy harvester(LEH)indicates that the BEH demonstrates inferior performance for high-speed *** experiments are conducted to investigate the validity of the theoretical prediction and numerical *** experimental findings also show that strong random excitation is favorable for the BEH in the range of low wind ***,as the speed of the incoming wind is up to a particular level,the disadvantage of the BEH becomes clear and evident.

关键词： bi-stability inter-well response galloping band-limited random

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