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Frontiers of Environmental Science & Engineering 2024年第5期18卷 127-136页

作者： Hao Zhang Huinan Li Pengyi Zhang Tingxia Hu Xianjie Wang State Key Joint Laboratory of Environment Simulation and Pollution Control School of EnvironmentTsinghua UniversityBeijing100084China Beijing Key Laboratory for Indoor Air Quality Evaluation and Control Beijing100084China Midea Corporate Research Center Foshan528311China

Copper intercalated birnessite MnO_(2)(δ-MnO_(2))with weak crystallinity and high specific surface area(421 m^(2)/g)was synthesized by a one-pot redox method and investigated for low-temperature CO *** molar ratio of Cu/Mn was as high as 0.37,which greatly weakened the Mn-O bond and created a lot of low-temperature active oxygen *** situ DRIFTS revealed strong bonding of copper ions with ***-synthesized MnO_(2)-150Cu achieved 100%conversion of 250 ppm CO in normal air(3.1 ppm H_(2)O)even at−10°C under the weight-hourly space velocity(WHSV)of 150 L/(g·h).In addition,it showed high oxygen storage capacity to oxidize CO in inert *** the concurrent moisture in air significantly inhibited CO adsorption and its conversion at ambient temperature,MnO_(2)-150Cu could stably convert CO in 1.3%moisture air at 70°C owing to its great low-temperature activity and reduced competitive adsorption of water with increased *** study discovers the excellent low-temperature activity of weakly crystallized δ-MnO_(2) induced by high content intercalated copper ions.

关键词： CO oxidation Birnessite Interlayer copper Low-temperature Oxygen storage capacity

Promising thermal photonic management materials for sustainable human habitat

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Nano Research 2024年第1期17卷 112-131页

作者： Houze Yao Qihua Liao Huhu Cheng Liangti Qu Key Laboratory of Organic Optoelectronics&Molecular Engineering Ministry of EducationDepartment of ChemistryLaboratory of Flexible Electronics TechnologyTsinghua UniversityBeijing 100084China State Key Laboratory of Tribology in Advanced Equipment(SKLT) Department of Mechanical EngineeringTsinghua UniversityBeijing 100084China

The spectral characteristics of outdoor structures,such as automobiles,buildings,and clothing,determine their energy interaction with the environment,from broad-spectrum absorption of light energy to high-efficiency thermal *** developed spectrally selective absorption(SSA)materials permit the reduction of energy loss from human habitat eco-system in the sustainable way and further reduce the utilization of fossil energy to achieve carbon *** we review recent advances in SSA materials that enable rational and efficient management of thermal energy and provide new solutions for the resource base that supports human life like comfortable heat management,electricity production,and water *** basic principles of thermal photonic management,the regulation of SSA materials,and functional properties are *** outlook discussing challenges and opportunities in SSA material energy management for comfortable living environments is finally presented,which expects the enormous potential of this interdisciplinary research in solving growing resource-shortage of human society.

关键词： spectrally selective absorption passive cooling solar power eco-system

Recent progress in MOFs-based nanozymes for biosensing

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Nano Research 2024年第1期17卷 39-64页

作者： Imamdin Chandio Yongjian Ai Lei Wu Qionglin Liang MOE Key Laboratory of Bioorganic Phosphorus Chemistry&Chemical Biology Department of ChemistryLaboratory of Flexible Electronics TechnologyCenter for Synthetic and Systems BiologyTsinghua University-Peking University Joint Centre for Life SciencesTsinghua UniversityBeijing 100084China

Nanozymes are nanomaterials with enzyme-mimicking catalytic *** to natural enzymes,nanozymes show various properties such as easy to manufacture,stable,adjustable,and *** play key roles in biosensing,biocatalysis,and disease *** an important kind of nanozymes,metal-organic framework(MOF)-based nanozymes are receiving a lot of attention due to their structural properties and *** developing MOF with enzymes-like catalytic properties has opened new perspectives in *** review summarizes the up-to-date developments in synthesizing two-dimensional and three-dimensional MOF-based nanozymes and their applications in ***,classification of nanozymes obtained by MOFs is categorized,and different properties of MOF-based nanozymes are ***,the distinctive applications of MOF-based nanozymes in identifying various analytes are thoroughly ***,the recent challenges and progressive directions in this area are highlighted.

关键词： metal-organic frameworks nanozymes metal-organic framework (MOF)-based nanozymes biosensing analytes

Research progress toward the influence of mosquito salivary proteins on the transmission of mosquito-borne viruses

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Insect Science 2024年第3期31卷 663-673页

作者： Zhao-Yang Wang Kai-Xiao Nie Ji-Chen Niu Gong Cheng tsinghua University-Peking University Joint Center for Life Sciences School of MedicineTsinghua UniversityBejingChina Institute of Infectious Diseases Shenzhen Bay LaboratoryShenzhenGuangdongChina Department of Pathogen Biology School of Basic MedicineShandong First Medical University&Shandong Academy of Medical SciencesJinanChina

Mosquito-borne viruses(MBVs)are a large class of viruses transmitted mainly through mosquito bites,including dengue virus,Zika virus,Japanese encephalitis virus,West Nile virus,and chikungunya virus,which pose a major threat to the health of people around the *** global warming and extended human activities,the incidence of many MBVs has increased *** saliva contains a variety of bioactive protein *** not only enable blood feeding but also play a crucial role in regulating local infection at the bite site and the remote dissemination of MBVs as well as in remodeling the innate and adaptive immune responses of host ***,we review the physiological functions of mosquito salivary proteins(MSPs)in detail,the influence and the underlying mechanism of MSPs on the transmission of MBVs,and the current progress and issues that urgently need to be addressed in the research and development of MSP-based MBV transmission blocking vaccines.

关键词： immune response mosquito-borne virus mosquito salivary protein saliva vaccine transmission

Smart systems engineering contributing to an intelligent carbon-neutral future: opportunities, challenges, and prospects

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Frontiers of Chemical Science and Engineering 2022年第6期16卷 1023-1029页

作者： Xiaonan Wang Jie Li Yingzhe Zheng Jiali Li Department of Chemical Engineering Tsinghua UniversityBeijing 100084China Department of Chemical&Biomolecular Engineering Faculty of EngineeringNational University of SingaporeSingapore 117585Singapore

This communication paper provides an overview of multi-scale smart systems engineering(SSE)approaches and their applications in crucial domains including materials discovery,intelligent manufacturing,and environmental management.A major focus of this interdisciplinary field is on the design,operation and management of multi-scale systems with enhanced economic and environmental *** emergence of big data analytics,internet of things,machine learning,and general artificial intelligence could revolutionize next-generation research,industry and society.A detailed discussion is provided herein on opportunities,challenges,and future directions of SSE in response to the pressing carbon-neutrality targets.

关键词： machine learning modeling material industrial applications environment

Selective capture of Tl2O from flue gas with formation of p-n junction on V_(2)O_(5)-WO_(3)/TiO_(2)catalyst under working conditions

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Green Energy & Environment 2023年第1期8卷 4-9页

作者： Jianjun Chen Rongqiang Yin Gongda Chen Junyu Lang Xiaoping Chen Xuefeng Chu Junhua Li State Key Joint Laboratory of Environment Simulation and Pollution Control School of EnvironmentTsinghua UniversityBeijingChina School of Physical Science and Technology Shanghai Tech UniversityShanghaiChina Key Laboratory of Architectural Cold Climate Energy Management Ministry of EducationJilin Jianzhu UniversityChangchunChina Guangdong Energy Group Science and Technology Research Institute Co. Ltd.GuangdongChina

Thallium(Tl)compounds,highly toxic to biology,are usually released into flue gas during fossil/minerals combustion,and further distributed in water and *** this work,we fundamentally investigated the capture of gaseous Tl_(2)O by industrial V2O5-WO3/TiO_(2)catalyst under working condition in Tl-containing flue *** and theoretical results indicated that the Tl_(2)O has significant electron-feeding capacity and easily donate electron to unoccupied orbitals of TiO_(2),leading to dismutation of Ti 2p and inartificial formation of p-n junction on TiO_(2)surface,which prompted Tl_(2)O selectively interacted with TiO_(2)in flue ***,we proposed and verified an effective way to capture gaseous Tl_(2)O,which offered almost the best choice to eliminate Tl emission from flue gas and expanded the function of the TiO_(2)-based *** formation of p-n junction on commercial V2O5-WO3/TiO_(2)catalyst under working condition was revealed for the first time,which can be a valuable reference for both heterocatalysis and electro/photocatalysis.

关键词： Tl Catalyst SCR Capture p-n junction

Carbon-based functional materials for atmospheric water utilization

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Nano Research 2023年第11期16卷 12491-12505页

作者： Wenya He Tengyu Lin Huhu Cheng Liangti Qu Laboratory of Flexible Electronics Technology Key Laboratory of Organic Optoelectronics&Molecular EngineeringMinistry of EducationDepartment of ChemistryState Key Laboratory of Tribology in Advanced Equipment(SKLT)Tsinghua UniversityBeijing 100084China

Atmospheric water,as one of the most abundant natural resources on Earth,has attracted huge research interest in the field of water harvesting and energy harvesting and conversion owing its environmental friendliness and easy *** developments of new materials have seen advanced technologies that can extract water and energy out of this long-neglected resource,suggesting a promising and sustainable approach to address the water and energy crises over the ***-based functional materials have been considered to be indispensable materials for atmospheric water utilization due to their large surface area,excellent adsorption performance,and higher surface *** this review,first,we analyze the interaction between carbon-based functional materials and atmospheric water ***,technologies developed in recent years for atmospheric water utilization based on carbon-based functional materials are reviewed,mainly focusing on atmospheric water harvesting,moisture-enabled electricity generation,and moisture-responsive ***,the remaining challenges and some tentative suggestions possibly guiding developments are proposed,which may pave a way for a bright future of carbon-based functional material in the utilization of atmospheric water.

关键词： carbon-based functional material atmospheric water atmospheric water harvesting moisture-enabled power generator moisture actuators

Strategies to enhance Li^(+) transference number in liquid electrolytes for better lithium batteries

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Nano Research 2023年第6期16卷 8055-8071页

作者： Pan Zhou Xiaokun Zhang Yong Xiang Kai Liu Department of Chemical Engineering Tsinghua UniversityBeijing 100084China School of Materials and Energy University of Electronic Science and Technology of ChinaChengdu 611731China Advanced Energy Research Institute University of Electronic Science and Technology of ChinaChengdu 611731China Sichuan Provincial Engineering Research Center of Flexible Display Material Genome University of Electronic Science and Technology of ChinaChengdu 611731China

Growing market demand from portable electronics to electric automobiles boosts the development of lithium-ion batteries(LIBs)with high energy density and rate ***,strong solvation effect between lithium ions(Li^(+))and solvent molecules in common electrolytes limits the mobility of Li^(+)ions in ***,anions dominate the charge conduction in electrolytes,and in most cases,the value of Li^(+)transference number(T_(+))is between 0.2 and 0.4.A low T_(+)will aggravate concentration polarization in the process of charging and discharging,especially at high rate,which not only increases the overpotential but also intensifies side reactions,along with uneven deposition of lithium(Li)and the growth of lithium dendrites when lithium metal is used as *** this review,promising strategies to improve T_(+)in liquid electrolytes would be *** migration of Li^(+)ions is affected directly by the types and concentration of lithium salts,solvents,and additives in bulk ***,Li^(+)ions will pass through the separator and solid electrolyte interphase(SEI)when transferring between anodes and *** this in mind,we will classify and summarize threads of enhancing T_(+)from five aspects:lithium salts,solvents,additives,separators,and SEI based on different mechanisms,including covalently bonding,desolvation effect,Lewis acid-base interaction,electrostatic interaction,pore sieving,and supramolecular *** believe this review will present a systematic understanding and summary on T_(+)and point out some feasible threads to enhance battery performance by enhancing T_(+).

关键词： lithium batteries Li^(+)transference number rate performance strategies mechanisms

Suggestion on further strengthening ultra-low emission standards for PM emission from coal-fired power plants in China

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Journal of Environmental Sciences 2023年第1期123卷 203-211页

作者： Jianguo Deng Shumin Wang Jiawei Zhang Yi Zhang Jingkun Jiang Yongzheng Gu Tao Han Lei Feng Jian Gao Lei Duan School of Environment Tsinghua UniversityBeijing 100084China China Energy Investment Co. Ltd.Beijing 100011China Guodian Power Development Co. Ltd.Beijing 100101China CHN ENERGY New Energy Technology Research Institute Co. Ltd.Beijing 102209China Chinese Research Academy of Environmental Sciences Beijing 100012China

China has established the largest clean coal-fired power generation system in the world by accomplishing the technological transformation of coal-fired power plants(CFPPs)to achieve ultra-low *** potential for further particulate matter(PM)emission reduction to achieve near-zero emission for CFPPs has become a hotspot *** this study,PM emission from some ultra-low emission CFPPs adopting advanced air pollutant control technologies in China was *** results revealed that the average filterable particulate matter(FPM)concentration,measured as the total particulate matter(TPM)according to the current national monitoring standard,was(1.67±0.86)mg/m^(3),which could fully achieve the ultra-low emission standard for key regions(5 mg/m^(3)),but that achieving the near-zero emission standard was difficult(1 mg/m^(3)).However,the condensable particulate matter(CPM),with an average concentration of(1.06±1.28)mg/m^(3),was generally ignored during monitoring,which led to about 38.7%underestimation of the *** considering both FPM and CPM,the TPM emission from current CFPPs would contribute to less than 5%of atmospheric PM_(2.5) concentrations in the key cities and regions in ***,further reduction in FPM emission proposed by the near-zero emission plan of CFPPs may have less environmental benefit than emission control of other anthropogenic ***,it is suggested that the management of CPM emission should be strengthened,and a national standard for CPM emission monitoring based on the indirect dilution method should be established for *** measurements are helpful for optimal operation of air pollutant control devices and continuously promoting further emission reduction.

关键词： Near-zero emission Condensable particulate matter(CPM) Indirect dilution Emission standard Technical specification for emission monitoring

Superlubricity induced by partially oxidized black phosphorus on engineering steel

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Friction 2023年第9期11卷 1592-1605页

作者： Kai GAO Jianguo JIAO Zheng WANG Guoxin XIE Jianbin LUO State Key Laboratory of Tribology in Advanced Equipment Tsinghua UniversityBeijing 100084China School of Engineering and Technology China University of Geosciens(Beijing)Beijing 100083China

Macroscale superlubricity has attracted increasing attention owing to its high significance in engineering and *** report the superlubricity of engineering materials by the addition of partially oxidized black phosphorus(oBP)in an oleic acid(OA)oil *** phosphorus oxides produced by active oxidation exhibit lower friction and quick deposition performance compared to BP *** H-bond(–COOH…O–P,or–COOH…O=P)formed between P–O bond(or P=O)and OA molecule could benefit the lubricating state and decrease the possibility of direct contact between rough *** analysis of the worn surface indicates that a three-layer tribofilm consisting of amorphous carbon,BP crystal,and phosphorus oxide forms during the friction,which replaces the shear interface from the steel/steel to carbon–oBP/carbon–oBP layer and enables macroscale superlubricity.

关键词： black phosphorus(BP) macroscale superlubricity oleic acid(OA) active oxidation