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Towards high-performance lithium metal anodes via the modification of solid electrolyte interphases

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Journal of Energy Chemistry 2020年第6期29卷 7-17,I0001页

作者： Zhen Hou Jiaolong Zhang Wenhui Wang Qianwen Chen Baohua Li Chaolin Li Shenzhen Key Laboratory of Organic pollution Prevention and control Environmental Science and Engineering Research CenterHarbin Institute of TechnologyShenzhen 518055GuangdongChina Department of Chemistry Southern University of Science and Technology(SUSTech)Shenzhen 518055GuangdongChina Shenzhen Key Laboratory on Power Battery Safety research and Shenzhen Geim Graphene center Tsinghua Shenzhen International Graduate SchoolShenzhen 518055GuangdongChina

Li metal has been regarded as one of the most promising anodes for high-energy-density storage systems due to its high theoretical capacity and lowest electrochemical potential.Unfortunately,an unstable and non-uniform solid electrolyte interphase(SEI)deriving from the spontaneous reaction between Li metal anode and electrolyte causes uneven Li deposition,resulting in the growth of Li dendrites and low Coulombic efficiency,which have greatly hindered the practical application of Li metal batteries.Thus,the construction of a stable SEI is an effective approach to suppress the growth of Li dendrites and enhance the electrochemical performances of Li metal anode.In this review,we firstly introduce the formation process of inferior SEI of Li metal anode and the corresponding challenges caused by the unstable SEI.Next,recent progresses to modify SEI layer through the regulation of electrolyte compositions and exsitu protective coating are summarized.Finally,the remained issues,challenges,and perspectives are also proposed on the basis of current research status and progress.

关键词： Li metal anode Coulombic efficiency Dendrites Solid electrolyte interphases Coating

Continuous and comprehensive atmospheric observations in Beijing:a station to understand the complex urban atmospheric environment

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Big Earth Data 2020年第3期4卷 295-321页

作者： Yongchun Liu Chao Yan Zemin Feng Feixue Zheng Xiaolong Fan Yusheng Zhang Chang Li Ying Zhou Zhuohui Lin Yishou Guo Ying Zhang Li Ma Wenshuo Zhou Zhikun Liu Lubna Dada Kaspar Dallenbach Jenni Kontkanen Runlong Cai Tommy Chan Biwu Chu Wei Du Lei Yao Yonghong Wang Jing Cai Juha Kangasluoma Tom Kokkonen Joni Kujansuu Anton Rusanen Chenjuan Deng Yueyun Fu Rujing Yin Xiaoxiao Li Yiqun Lu Yiliang Liu Chaofan Lian Dongsen Yang Weigang Wang Maofa Ge Yuesi Wang Douglas R.Worsnop Heikki Junninen Hong He Veli-Matti Kerminen Jun Zheng Lin Wang Jingkun Jiang Tuukka Petaja Federico Bianchi Markku Kulmala Aerosol and Haze Laboratory Beijing Advanced Innovation Center for Soft Matter Science and EngineeringBeijing University of Chemical TechnologyBeijingChina Institute for Atmospheric and Earth System research/Physics Faculty of ScienceUniversity of HelsinkiHelsinkiFinland State Key Joint Laboratory of Environment Simulation and pollution control State Environmental Protection Key Laboratory of Sources and Control of Air Pollution ComplexSchool of EnvironmentTsinghua UniversityBeijingChina State Key Joint Laboratory of Environment Simulation and pollution control Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijingChina Department of Environmental Science&engineering Fudan UniversityShanghaiChina State Key Laboratory for Structural Chemistry of Unstable and Stable Species Beijing National Laboratory for Molecular SciencesInstitute of ChemistryChinese Academy of SciencesBeijingChina Jiangsu Key Laboratory of Atmospheric Environment Monitoring and pollution control Nanjing University of Information Science&TechnologyNanjingChina State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry Institute of Atmospheric PhysicsChinese Academy of SciencesBeijingChina Aerodyne research Inc. BillericaMassachusettsUSA Institute of Physics University of TartuTartuEstonia Joint International research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric SciencesNanjing UniversityNanjingChina

Due to profound impact on climate and human health,air quality has attracted attention from all levels of the civil society.The key step in the provision of required tools for the society to tackle the complex air quality problem is to characterize it in a comprehensive manner with a long-term perspective.Here,we describe a continuous and comprehensive observation station and its accompanying state-ofthe-art instrumentation that was established to investigate the complex urban atmospheric environment in a rapidly developing Chinese Megacity.The station,located in downtown Beijing,aims to study air quality by identifying the major atmospheric pollutants and key processes determining their formation and loss mechanisms.A few hundreds of parameters are continuously measured with the state-of-the-art instruments,including trace gas concentrations,aerosol particle size distributions,and mass concentrations,covering aerosol particle chemical composition from molecules to micrometer-sized aerosol particles.This produced long-term,comprehensive big data with around 1�10^(11)bytes per year.In this paper,we provide an overview on the facilities of the station,the instrumentation used,the workflow of continuous observations and examples of results from 2018 to 2019 and a basis for establishing a modern long-term,comprehensive atmospheric urban observation station in other megacities.

关键词： Continuous and comprehensive atmospheric observation air pollution complex photochemical smog haze new particle formation

A CeFeOx catalyst for catalytic oxidation of NO to NO2

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Journal of Rare Earths 2016年第9期34卷 876-881页

作者：王文欢李伟郭瑞堂陈其林王青山潘卫国胡国新 School of Mechanical and Power engineering Shanghai Jiaotong University Shanghai 200240 China School of Energy source and Mechanical engineering Shanghai University of Electric Power Shanghai 200090 China Shanghai engineering research center of Power Generation Environment Protection Shanghai 200090 China

Catalytic oxidation of NO into NO2 is a promising method for NOx emission control. The aim of this study was to de-velop an economic and environmental-friendly catalyst for NO catalytic oxidation. Herein a CeFeOx complex oxide catalyst for catalytic oxidation of NO was prepared by coprecipitation method. After that the catalytic performance of this catalyst was meas-ured on a fixed-bed reactor. It was found that the intrinsic activity of CeFeOx was higher than that of CeOx and FeOx. The charac-terization techniques of Brumauer-Emmett-Teller （BET）, X-ray diffraction （XRD）, temperature programmed reduction with H2 （H2-TPR）, temperature programmed desorption with NO＋O2 （NO＋O2-TPD） and X-ray photoelectron spectroscopy （XPS） were performed to investigate the surface area, crystal structure, redox property and NOx adsorption behavior of the catalyst samples. From the characterization results, it was concluded that the low crystallinity of CeFeOx promoted the dispersion of active species, as a result, enhancing the redox ability and NO adsorption capacity of CeFeOx catalyst, which is favorable to NO catalytic oxida-tion. Furthermore, the presence of much chemisorbed oxygen on CeFeOx catalyst also made a great contribution to its good cata-lytic performance.

关键词： NO catalytic oxidation CeFeOx catalyst characterization rare earths

Macroporous Ni foam-supported Co_3O_4 nanobrush and nanomace hybrid arrays for high-efficiency CO oxidation

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Journal of Environmental Sciences 2019年第1期31卷 136-144页

作者： Shengpeng Mo Hui He Quanming Ren Shuangde Li Weixia Zhang Mingli Fu Limin Chen Junliang Wu Yunfa Chen Daiqi Ye School of Environment and Energy South China University of Technology State Key Laboratory of Multi-phase Complex Systems Institute of Process Engineering Chinese Academy of Sciences Guangdong Provincial Key Laboratory of Atmospheric Environment and pollution control (SCUT) Guangdong Provincial engineering and Technology research Centre for Environmental Risk Prevention and Emergency Disposal South China University of Technology center for Excellence in Urban Atmospheric Environment Institute of Urban Environment Chinese Academy of Sciences

Herein, we reported the synthesis of well-defined Co_3O_4 nanoarrays(NAs) supported on a monolithic three-dimensional macroporous nickel(Ni) foam substrate for use in highefficiency CO oxidation. The monolithic Co_3O_4 NAs catalysts were obtained through a generic hydrothermal synthesis route with subsequent calcination. By controlling the reaction time,solvent polarity and deposition agent, these Co_3O_4 NAs catalysts exhibited various novel morphologies(single or hybrid arrays), whose physicochemical properties were further characterized by using several analytical techniques. Based on the catalytic and characterization analyses, it was found that the Co_3O_4 NAs-6 catalyst with nanobrush and nanomace arrays displayed enhanced catalytic activity for CO oxidation, achieving an efficient 100% CO oxidation conversion at a gas hourly space velocity(GHSV) 10,000 hr^(-1) and 150°C with longterm stability. Compared with the other Co_3O_4 NAs catalysts, it had the highest abundance of surface-adsorbed oxygen species, excellent low-temperature reducibility and was rich in surface-active sites(Co^(3+)/Co^(2+)= 1.26).

关键词： CO oxidation Nanomace Co3O4 Hybrid arrays Macroporous Ni foam

Identification of pollution sources in rivers using a hydrodynamic diffusion wave model and improved Bayesian-Markov chain Monte Carlo algorithm

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Frontiers of Environmental Science & engineering 2023年第7期17卷 91-105页

作者： Hailong Yin Yiyuan Lin Huijin Zhang Ruibin Wu Zuxin Xu Key Laboratory of Yangtze River water Environment of Ministry of Education Tongji UniversityShanghai 200092China Shanghai Institute of pollution control and ecological Security Shanghai 200092China Fujian Provincial Key Laboratory of Green Building Technology Fujian Academy of Building Research Co.Ltd.Fuzhou 350108China

water quality restoration in rivers requires identification of the locations and discharges of pollution sources,and a reliable mathematical model to accomplish this identification is essential.In this paper,an innovative framework is presented to inversely estimate pollution sources for both accident preparedness and normal management of the allowable pollutant discharge.The proposed model integrates the concepts of the hydrodynamic diffusion wave equation and an improved Bayesian-Markov chain Monte Carlo method(MCMC).The methodological framework is tested using a designed case of a sudden wastewater spill incident(i.e.,source location,flow rate,and starting and ending times of the discharge)and a real case of multiple sewage inputs into a river(i.e.,locations and daily flows of sewage sources).The proposed modeling based on the improved Bayesian-MCMC method can effectively solve high-dimensional search and optimization problems according to known river water levels at pre-set monitoring sites.It can adequately provide accurate source estimation parameters using only one simulation through exploration of the full parameter space.In comparison,the inverse models based on the popular random walk Metropolis(RWM)algorithm and microbial genetic algorithm(MGA)do not produce reliable estimates for the two scenarios even after multiple simulation runs,and they fall into locally optimal solutions.Since much more water level data are available than water quality data,the proposed approach also provides a cost-effective solution for identifying pollution sources in rivers with the support of high-frequency water level data,especially for rivers receiving significant sewage discharges.

关键词： Identification of pollution sources waterquality restoration Bayesianinference Hydrodynamic model Inverseproblem

Screening of indicator pharmaceuticals and personal care products in landfill leachates: a case study in Shanghai, China

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Frontiers of Environmental Science & engineering 2023年第9期17卷 245-256页

作者： Xiping Kan Xia Yu Wentao Zhao Shuguang Lyu Shuying Sun Gang Yu Qian Sui State Environmental Protection Key Laboratory of Environmental Risk Assessment and control on Chemical Process School of Resources and Environmental EngineeringEast China University of Science and TechnologyShanghai 200237China State Key Laboratory of pollution control and Resource Reuse College of Environmental Science and EngineeringTongji UniversityShanghai 200092China Advanced Interdisciplinary Institute of Environment and ecology Beijing Normal University at ZhuhaiZhuhai 519087China Shanghai Institute of pollution control and ecological Security Shanghai 200092China

Identifying potential sources of pharmaceuticals and personal care products(PPCPs)in the environment is critical for the effective control of PPCP contamination.Landfill leachate is an important source of PPCPs in water;however,it has barely been involved in source apportionment due to the lack of indicator-PPCPs(i-PPCPs)in landfill leachates.This study provides the first systematic framework for identifying i-PPCPs for landfill leachates based on the wide-scope target monitoring of PPCPs.The number of target PPCPs increased fromecological effect.Coupled with source-specificity and representativeness analysis,erythromycin,gemfibrozil,and albendazole showed a significant difference in their occurrence in leachate compared to other potential sources(untreated and treated municipal wastewater and livestock wastewater)and correlated with total PPCP concentrations;these were recommended as i-PPCPs for leachates.Indicator screening procedure can be used to develop a sophisticated source apportionment method to identify sources of PPCPs from adjacent landfills.

关键词： Landfill leachates PPCPs Indicator Screening criteria source-specificity

Effects of residue management and nitrogen fertilizer rates on accumulation of soil residual nitrate and wheat yield under no-tillage system in south-west of Iran

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International Soil and water Conservation research 2021年第1期9卷 116-126页

作者： Majid Roozbeh Majid Rajaie Agricultural engineering research Department Darab Agricultural Research StationFars Agricultural and Natural Resources Research and Education CenterAREEOIran Soil and water research Department Darab Agricultural Research StationFars Agricultural and Natural Resources Research and Education CenterAREEOIran

Conservation tillage,residue management and optimizing nitrogen(N)fertilization are important stra-tegies for soil and water conservation and sustainability of agricultural systems.In order to evaluate the effects of various residue management methods and N fertilizer rates on some soil quality indicators,accumulation of residual soil nitrate,and wheat yield under no till system,a split-plot experiment was arranged in a randomized complete block design with three replications.Main plots were three residue management methods,including retaining(R.M1),removing(R.M2)and shredding(R.M3)of corn res-idues.The subplots consisted of four N fertilizer rates,100(N1),150(N2),200(N3),and 250(N4)kg N ha^(-1) from urea source.The results showed that soil organic carbon and total N in R.M1 and R.M3 treatments increased at the depth of 0-15 cm as compared to R.M2.The maximum accumulation of soil nitrate was observed in R.M1 x N4 and R.M3 x N4 interactions at the soil depth of 60-cm.The results of this study showed that R.M1 x N3 and R.M3 x N3 interactions had a greater impact on wheat yield than the sole effect of R.M1 or R.M3.According to our findings,application of 200 kg N ha^(-1) in combination with R.M1 which had once less tractor passing for mechanical shredding than R.M3,can contribute effectively to improve soil quality indicators,control soil residual nitrate and subsequently produce more wheat grain yield in the south-west of Iran.

关键词： No-tillage Corn residue Total nitrogen Nitrate accumulation Organic carbon

A New Coumarin-Based Fluorescent pH Probe

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Journal of Donghua University(English Edition) 2015年第5期32卷 787-791页

作者：李洪启方宁张学斌杨一航周志鹏宋燕西丛培红 College of Chemistry Chemical Engineering & BiotechnologyDonghua University School of Environmental Science and engineering State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile IndustryDonghua University State Key Laboratory of Molecular engineering of Polymers Fudan University

A new iminocoumarin-derived colorimetric and fluorescent pH probe was developed for rapid and sensitive detection of pH changes in biological and environmental media. With the decrease of pH value( from 6. 24 to 3. 00),an obvious color change of the probe in ethanol-water solution from green to yellow was observed under nature light. The intensity of the maximum fluorescence emission peak of the probe decreased gradually with the acidity increase of the solution. While the fluorescence intensity of the emission peak of the probe did not exhibit distinct change when pH was less than 11. 00 and the fluorescence was almost quenched at pH 13. 50. Sensitivity of the fluorescent pH probe was not interfered by the presence of common metal cations and anions.

关键词： pH probe fluorescence colorimetric iminocoumarin

Metagenomic insights into the variation of bacterial communities and potential pathogenic bacteria in drinking water treatment and distribution systems

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National Science Open 2022年第2期1卷 65-79页

作者： Ruiming Jiang Zihan Li Qisheng Li Yunqi Liu Yuning Zhu Zimo Chen Peng Liu Shuyu Jia Hongqiang Ren Xu-Xiang Zhang State Key Laboratory of pollution control and Resource Reuse Environmental Health Research CenterSchool of the EnvironmentNanjing UniversityNanjing 210023China China Three Gorges Construction engineering Corporation Beijing 100048China Nanjing Foreign Language School Nanjing 210008China

High-throughput sequencing of 16S rRNA gene amplicons was conducted to characterize the changing patterns of bacterial community and potential pathogens in full-scale drinking water treatment and distribution systems.Results showed that Actinobacteria was the predominant phylum in source water,while Proteobacteria dominated after chlorine disinfection and its relative abundance increased from 40.88%±9.45%to 67.86%±27.10%.The genera Pseudarthrobacter,Arenimonas,and Limnohabitans were effectively removed by chlorination,while Phreatobacter,Undibacterium,Pseudomonas,and Sphingomonas within the Proteobacteria phylum were greatly enriched after chlorination.Metagenomic analyses revealed the occurrence of 56 species of potential pathogenic bacteria within 17 genera in drinking water,mainly including Pseudomonas fluorescens and five mycobacteria species,which were also persistent in tap water samples.The bacteria were found to be involved in various pathways,among which considerable groups were related to human diseases,including infectious diseases and even cancers.

关键词： drinking water chlorination bacterial community potential pathogenic bacteria high-throughput sequencing metagenomics