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Electrocatalytic CO_(2) reduction to C_(2)H_(4): From lab to fab

Journal of Energy Chemistry 2024年第3期90卷 540-564,I0012页

作者： Zeyu Guo Fabao Yang Xiaotong Li Huiwen Zhu Hainam Do Kam Loon Fow Jonathan D.Hirst Tao Wu Qiulin Ye Yaqi Peng Hao Bin Wu Angjian Wu Mengxia Xu Department of Chemical and Environmental Engineering and New Materials InstituteUniversity of Nottingham Ningbo ChinaNingbo 315100ZhejiangChina Key Laboratory of Carbonaceous Waste Processing and Process Intensification of Zhejiang Province University of Nottingham Ningbo ChinaNingbo 315100ZhejiangChina Nottingham Ningbo China Beacons of Excellence Research and Innovation Institute University of Nottingham Ningbo ChinaNingbo 315100ZhejiangChina State Key Laboratory of Clean Energy Utilization Department of Energy EngineeringZhejiang UniversityHangzhou 310027ZhejiangChina Institute for Composites Science Innovation(InCSI)and State Key Laboratory of Silicon and advanced Semiconductor materials School of Materials Science and EngineeringZhejiang UniversityHangzhou 310027ZhejiangChina School of Chemistry University of NottinghamUniversity ParkNottingham NG72RDUK Baima Lake Laboratory Hangzhou 310053ZhejiangChina

The global concerns of energy crisis and climate change,primarily caused by carbon dioxide(CO_(2)),are of utmost ***,the electrocatalytic CO_(2) reduction reaction(CO_(2)RR) to high value-added multi-carbon(C_(2+)) products driven by renewable electricity has emerged as a highly promising solution to alleviate energy shortages and achieve carbon *** these C_(2+) products,ethylene(C_(2)H_(4))holds particular importance in the petrochemical ***,this review aims to establish a connection between the fundamentals of electrocatalytic CO_(2) reduction reaction to ethylene(CO_(2)RRto-C_(2)H_(4)) in laboratory-scale research(lab) and its potential applications in industrial-level fabrication(fab).The review begins by summarizing the fundamental aspects,including the design strategies of high-performance Cu-based electrocatalysts and advanced electrolyzer ***,innovative and value-added techniques are presented to address the inherent challenges encountered during the implementations of CO_(2)RR-to-C_(2)H_(4) in industrial ***,case studies of the technoeconomic analysis of the CO_(2)RR-to-C_(2)H_(4) process are discussed,taking into factors such as costeffectiveness,scalability,and market *** review concludes by outlining the perspectives and challenges associated with scaling up the CO_(2)RR-to-C_(2)H_(4) *** insights presented in this review are expected to make a valuable contribution in advancing the CO_(2)RR-to-C_(2)H_(4) process from lab to fab.

关键词： CO_(2) electroreduction reaction Ethylene Gas diffusion electrode Machine learning Density functional theory Techno-economic analysis

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Recent progress in thermoelectric materials

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Chinese Science Bulletin 2014年第18期59卷 2073-2091页

作者： Chao Han Zhen Li Shixue Dou Institute for Superconducting and Electronic materials Squires WayUniversity of WollongongWollongong 2500NSWAustralia

Direct conversion of heat into electricity through advanced thermoelectric(TE)materials has been one of the most attractive solutions to the severe environmental and energy issues facing *** recent years,great progress has been made in improving their dimensionless figure of merit(ZT),which determines the conversion efficiency of TE *** is related to three‘‘interlocked’’factors—the Seebeck coefficient,electrical conductivity,and thermal *** three factors are interdependent in bulk TE materials,and altering one changes the other *** difficulty in simultaneously optimizing them caused TE research to stagnate,until great reductions in thermal conductivity were both theoretically and experimentally proven in nanomaterials in *** this review,we first introduce some TE fundamentals and then review the most recently improvements in ZT in different kinds of inorganic and organic TE materials,which is followed by an investigation of the outlook for new directions in TE technology.

关键词：热电材料 Seebeck系数直接转换能源问题转换效率纳米材料热导率 TE

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advanced inorganic/polymer hybrid electrolytes for all-solid-state lithium batteries

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Journal of advanced Ceramics 2022年第6期11卷 835-861页

作者： Xiaoyu JI Yiruo ZHANG Mengxue CAO Quanchao GU Honglei WANG Jinshan YU Zi-Hao GUO Xingui ZHOU Science and Technology on advanced Ceramic Fibers and Composites Laboratory College of Aerospace Science and EngineeringNational University of Defense TechnologyChangsha 410073China South China advanced Institute for Soft Matter Science and Technology School of Molecular Science and EngineeringSouth China University of TechnologyGuangzhou 510640China Department of Chemical and Environmental Engineering Yale UniversityNew Haven 06511USA

Solid-state batteries have become a frontrunner in humankind’s pursuit of safe and stable energy storage systems with high energy and power *** materials,currently,seem to be the Achilles’heel of solid-state batteries due to the slow kinetics and poor interfacial *** the merits of solid inorganic electrolytes(SIEs)and solid polymer electrolytes(SPEs),inorganic/polymer hybrid electrolytes(IPHEs)integrate improved ionic conductivity,great interfacial compatibility,wide electrochemical stability window,and high mechanical toughness and flexibility in one material,having become a sought-after pathway to high-performance all-solid-state lithium ***,we present a comprehensive overview of recent progress in IPHEs,including the awareness of ion migration fundamentals,advanced architectural design for better electrochemical performance,and a perspective on unconquered challenges and potential research *** review is expected to provide a guidance for designing IPHEs for next-generation lithium batteries,with special emphasis on developing high-voltage-tolerance polymer electrolytes to enable higher energy density and three-dimensional(3D)continuous ion transport highways to achieve faster charging and discharging.

关键词： solid-state electrolytes(SSEs) hybrid electrolytes energy density electrical energy storage(EES) lithium batteries

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Advances in the Emerging Gradient Designs of Li Metal Hosts

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Research 2022年第4期2022卷 741-756页

作者： Wanqing Guan Xiaoqi Hu Yuhang Liu Jinmeng Sun Chen He Zhuzhu Du Jingxuan Bi Ke Wang Wei Ai Frontiers Science Center for Flexible Electronics(FSCFE) Xi'an Institute of Flexible Electronics(IFE)and Xian Institute of Biomedical Materials Engineering(IBME)Northwestern Polytechnical University(NPU)127 West Youyi RoadXi'an710072China School of materials Science and Engineering Nanyang Technological University50 Nanyang AvenueSingaporeSingapore 639798

Developing host has been recognized a potential countermeasure to circumvent the intrinsic drawbacks of Li metal anode(LMA),such as uncontrolled dendrite growth,unstable solid electrolyte interface,and infinite volume *** realize proper Li accommodation,particularly bottom-up deposition of Li metal,gradient designs of host materials including lithiophilicity and/or conductivity have attracted a great deal of attention in recent ***,a critical and specialized review on this quickly evolving topic is still *** this review,we attempt to comprehensively summarize and update the related advances in guiding Li nucleation and ***,the fundamentals regarding Li deposition are discussed,with particular attention to the gradient design principles of host ***,the progress of creating diferent gradients in terms of lithiophilicity,conductivity,and their hybrid is systematically ***,future challenges and perspective on the gradient design of advanced hosts towards practical LMAs are provided,which would provide a useful guidance for future studies.

关键词： conductivity unstable electrolyte

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Piezotronics and piezo-phototronics: fundamentals and applications

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National Science Review 2014年第1期1卷 62-90页

作者： ZhongLin Wang Wenzhuo Wu School of materials Science and Engineering Georgia Institute of Technology Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences

Technology advancement that can provide new solutions and enable augmented capabilities to complementary metal–oxide–semiconductor(CMOS)-based technology,such as active and adaptive interaction between machine and human/ambient,is highly *** nanodevices and integrated systems exhibit potential in achieving these application *** the gating efect of piezopotential over carrier behaviors in piezoelectric semiconductor materials under externally applied deformation,the piezoelectric and semiconducting properties together with optoelectronic excitation processes can be coupled in these materials for the investigation of novel fundamental physics and the implementation of unprecedented *** is created by the strain-induced ionic polarization in the piezoelectric semiconducting *** deal with the devices fabricated using the piezopotential as a‘gate’voltage to tune/control charge-carrier transport across the metal–semiconductor contact or the p–n ***-phototronics is to use the piezopotential for controlling the carrier generation,transport,separation and/or recombination for improving the performance of optoelectronic *** review intends to provide an overview of the rapid progress in the emerging ields of piezotronics and *** concepts and results presented in this review show promises for implementing novel nano-electromechanical devices and integrating with micro/nano-electromechanical system technology to achieve augmented functionalities to the state-of-the-art CMOS technology that may ind applications in the human–machine interfacing,active lexible/stretchable electronics,sensing,energy harvesting,biomedical diagnosis/therapy,and prosthetics.

关键词： piezotronic efect piezo-phototronic efect piezopotential piezotronics MEMS sensors

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Multi-tap microwave photonic filter with positive and negative coefficients based on an unbalanced Mach-Zehnder modulator

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Optoelectronics Letters 2013年第5期9卷 350-353页

作者：王目光宋紫薇张敬李唐军简水生 State Key Laboratory of All Optical Network & advanced Telecommunication Network of EMC Institute of Lightwave Technology Beijing Jiaotong Univesity

A novel approach for the implementation of microwave photonic filter with positive and negative coefficients based on an unbalanced Mach-Zehnder modulator(MZM) is *** the proposed filter,a microwave signal to be filtered is applied to an unbalanced *** to the unbalance between the two arms of the modulator,a π phase shift is obtained by adjusting the wavelength interval between the adjacent wavelengths,which leads to the generation of the positive and negative *** theoretical fundamentals of the design are described,which show that the required unbalanced MZM in the scheme can be well fabricated by the current technology,and the required other components,including the wavelength multiplexer,are also commercially available *** eight-tap microwave photonic filter with positive and negative coefficients is *** tunability and reconfigurability of the eight-tap microwave photonic filter are also investigated to verify our approach.

关键词：微波光子滤波器不平衡负系数调制器基础 Mach-Zehnder 抽头

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advanced TEM Characterization for Single-atom Catalysts:from Ex-situ Towards In-situ

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Chemical Research in Chinese Universities 2022年第5期38卷 1172-1184页

作者： WANG Guowei KE Xiaoxing SUI Manling Beijing Key Laboratory of Microstructure and Properties of Solids Faculty of Materials and ManufacturingBeijing University of TechnologyBeijing 100124P.R.China

Clean energy innovation has triggered the development of single-atom catalysts(SACs)due to their excellent catalytic activity,high tunability and low *** success of SACs for many catalytic reactions has opened a new field,where the fundamentals of catalytic property-structure relationship at atomic level await exploration,and thus raises challenges for structural *** the characterization techniques for SACs,aberration-corrected transmission electron microscopy(TEM)has become an essential tool for direct visualization of single *** this review,we briefly summarize recent studies on SACs using advanced *** first introduce TEM methods,which are particularly important for SACs characterization,and then discuss the applications of advanced TEM for SAC characterization,where not only atomic dispersion of single atoms can be studied,but also the distribution of elements and the valence state with local coordination can be *** further extend our review towards in-situ TEM,which has increasing importance for the fundamental understanding of catalytic *** of TEM for SACs are finally discussed.

关键词： Single-atom catalyst Transmission electron microscopy(TEM) Scanning transmission electron microscopy(STEM) Electron energy loss spectroscopy(EELS) Energy dispersive X-ray spectroscopy(EDX) In-situ TEM

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Atmospheric dispersion of chemical,biological,and radiological hazardous pollutants:Informing risk assessment for public safety

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Journal of Safety Science and Resilience 2022年第4期3卷 372-397页

作者： Xiaole Zhang Jing Wang Institute of Environmental Engineering(IfU) ETH ZürichZürichCH 8093Switzerland Laboratory for advanced Analytical Technologies EmpaDübendorfCH 8600Switzerland

Modern society is confronted with emerging threats from chemical,biological,and radiological(CBR)hazardous substances,which are intensively utilized in the chemical,medical,and energy *** atmospheric dis-persion of released CBR hazardous pollutants can influence a large percentage of the population owing to their rapid process with extensive spatial *** is important to comprehensively understand the behaviors of the released CBR pollutants in the atmosphere to fully evaluate the risks and protect public *** this study,we reviewed the advancements in the atmospheric transport of CBR pollutants,including the urban atmospheric boundary layer,unique concepts,and models for CBR *** underlined the development of innovative methodologies(e.g.,inverse estimation and data assimilation methods)for the atmospheric transport of acciden-tally released CBR pollutants to reduce uncertainties in emissions and accumulated errors during dispersion by combining numerical models with monitoring ***,we introduced progress in quantitative risk assess-ment,including exposure assessment and dose-response relationships for CBR hazardous pollutants.A framework,source,assimilation,fundamentals,exposure,and risk(SAFER),has been proposed to integrate the key compo-nents in the risk assessment of airborne CBR hazardous *** methods and models can contribute to effective risk preparedness,prevention,evidence-based policymaking,and emergency response to airborne CBR pollutants.

关键词： Atmospheric dispersion Bioaerosols Toxic and flammable chemicals Radiation Nuclear accident Industrial accident Data assimilation Dose-response relations Exposure Quantitative risk assessment Probabilistic risk assessment

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Systematic biomedical research of the NASA Twins Study facilitates the hazard risk assessment of long-term spaceflight missions

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Protein & Cell 2019年第9期10卷 628-630页

作者： Zhongquan Dai Xiaohua Lei Chao Yang Lei Zhao Liang Lu Yinghui Li State Key Laboratory of Space Medicine fundamentals and Application China Astronaut Research and Training Center Beijing 100094China State Key Laboratory of Stem Cell and Reproductive Biology Institute of ZoologyChinese Academy of SciencesBeijing 100101China Institute of Environmental Systems Biology College of Environmental Science and EngineeringDalian Maritime University Dalian 116026China

With the extension of the deep space exploration program, the boundaries of human exploration will be pushed forward to the surface of Mars. Over the past nearly 60 years manned spaceflight and experimental fin dings dem on strated that spaceflight induced bone loss, muscle atrophy, cardiovascular remodeling and space-related medical problems (Durante and Cucinotta, 2008).

关键词： deep space bone loss Durante

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Direct observation of the scaling relation between density of states and pairing gap in a dirty superconductor

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Chinese Physics B 2021年第10期30卷 463-469页

作者： Chang-Jiang Zhu Limin Liu Peng-Bo Song Han-Bin Deng Chang-Jiang Yi Ying-Kai Sun R Wu Jia-Xin Yin Youguo Shi Ziqiang Wang Shuheng H.Pan Beijing National Laboratory for Condensed Matter Physics Institute of PhysicsChinese Academy of SciencesBeijing 100190China School of Physical Sciences University of Chinese Academy of SciencesBeijing 100049China CAS Center for Excellence in Topological Quantum Computation University of Chinese Academy of SciencesBeijing 100190China Laboratory for Topological Quantum Matter and advanced Spectroscopy(B7) Department of PhysicsPrinceton UniversityPrincetonNJUSA Songshan Lake materials Laboratory Dongguan 523808China Department of Physics Boston CollegeChestnut HillMAUSA

Theories and experiments on dirty superconductors are complex but important in terms of both theoretical fundamentals and practical *** activities are even more challenging when magnetic fields are present because the field distribution,electron density of states,and superconducting pairing potentials become ***,we present tunneling microspectroscopic experiments on NbC single crystals and demonstrate that NbC is a homogeneous dirty *** applying magnetic fields to the samples,we found that the zero-energy local density of states and the pairing energy gap followed the explicit scaling relation proposed by de Gennes for homogeneous dirty superconductors in high magnetic *** significantly,our experimental findings indicate that the validity of the scaling relation extends to magnetic field strengths far below the upper critical field,calling for a new nonperturbative understanding of this fundamental property in dirty *** the practical side,we used the observed scaling relation to derive a simple and straightforward experimental scheme for estimating the superconducting coherence length of a dirty superconductor in magnetic fields.

关键词： NbC dirty superconductor de Gennes theory scanning tunneling microscope

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