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Electrochemical Realization of 3D Interconnected MoS_(3)/PPy Nanowire Frameworks as Sulfur-Equivalent Cathode Materials for Li-S Batteries

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Energy & Environmental Materials 2024年第2期7卷 9-17页

作者： Hongtao Yu andreas siebert Shilin Mei Raul Garcia-Diez Roberto Félix Ting Quan Yaolin Xu Johannes Frisch Regan G.Wilks Marcus Bär Chun Pei Yan Lu Department for Electrochemical Energy Storage Helmholtz-Zentrum Berlin für Materialien und Energie GmbH(HZB)Hahn-Meitner Platz 114109 BerlinGermany Guangdong Province Key Laboratory of Durability for Marine Civil Engineering School of Civil EngineeringShenzhen UniversityShenzhenGuangdong 518060China Department of Interface Design HZBAlbert-Einstein-Str.1512489 BerlinGermany Energy Materials In-Situ Laboratory Berlin(EMIL) Albert-Einstein-Str.1512489 BerlinGermany Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy(HI ERN) Albert-Einstein-Str.1512489 BerlinGermany Department of Chemistry and Pharmacy Friedrich-Alexander-Universität Erlangen-NürnbergEgerlandstr.391058Erlangen Germany Institute of Chemistry University of Potsdam14467Potsdam Germany

The development of freestanding and binder-free electrode is an effective approach to perform the inherent capacity of active materials and promote the mechanism study by minimizing the interference from ***,we construct a freestanding cathode composed of MoS_(3)/PPy nanowires(NWs)deposited on porous nickel foam(NF)(MoS_(3)/PPy/NF)through electrochemical methods,which can work efficiently as sulfur-equivalent cathode material for Li-S *** structural stability of the MoS_(3)/PPy/NF cathode is greatly enhanced due to its significant tolerance to the volume expansion of MoS_(3)during the lithiation process,which we ascribe to the flexible 3D framework of PPy NWs,leading to superior cycling performance compared to the bulk-MoS_(3)/NF *** the interference of binder and carbon additives,the evolution of the chemical and electronic structure of Mo and S species during the discharge/charge was studied by X-ray absorption near-edge spectroscopy(XANES).The formation of lithium polysulfides was excluded as the driving cathode reaction mechanism,suggesting the great potential of MoS_(3)as a promising sulfur-equivalent cathode material to evade the shuttle effect for Li-S *** present study successfully demonstrates the importance of structural design of freestanding electrode enhancing the cycling performances and revealing the corresponding mechanisms.

关键词： 3D-Network electrochemical lithium-sulfur battery MoS_(3) PPy

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WATER USE IN HUMAN CIVILIZATIONS: AN INTERDISCIPLINARY ANALYSIS OF A PERPETUAL SOCIAL-ECOLOGICAL CHALLENGE

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Frontiers of Agricultural Science and Engineering 2021年第4期8卷 512-524页

作者： andreas BUERKERT Kotiganahalli Narayanagowda GANESHAIAH Stefan siebert Organic Plant Production and Agroecosystems Research in the Tropics and Subtropics(OPATS) University of KasselSteinstrasse 19D-37213 WitzenhausenGermany School of Ecology and Conservation University of Agricultural Sciences(UASB)GKVKBengaluru 5600065India Department of Crop Sciences University of GottingenVon-Siebold-Str.8D-37075 GottingenGermany

Since the onset of human societies, settlement patterns and social structures have been shaped by access to water. This review covers historical and recent examples from Cambodia, Central Asia, India, Latin America and the Arabian Peninsula to analyze the role of water resources in determining the rise and collapse of civilizations. Over recent decades increasing globalization and concomitant possibilities to externalize water needs as virtual water have obscured global dependence on water resources via telecoupling, but rapid urbanization brings it now back to the political agenda. It is foremost in the urban arena of poorer countries where competing claims for water increasingly lead to scale-transcendent conflicts about ecosystem services. Solutions to the dilemma will require broad stakeholder-based agreements on water use taking into account the available data on water resources, their current and potential use efficiency, recycling of water after effective treatment, and social-ecological approaches of improved governance and conflict resolution.

关键词： agroecology historical water use water footprint water governance urbanization

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Tango Controls and data pipeline for petawatt laser experiments

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High Power Laser Science and Engineering 2023年第4期 6-12页

作者： Nils Wei?e Leonard Doyle Johannes Gebhard Felix Balling Florian Schweiger Florian Haberstroh Laura D.Geulig Jinpu Lin Faran Irshad Jannik Esslinger Sonja Gerlach Max Gilljohann Vignesh Vaidyanathan Dennis siebert andreas Münzer Gregor Schilling J?rg Schreiber Peter G.Thirolf Stefan Karsch andreas D?pp Ludwig-Maximilians-Universit?t München

The Centre for Advanced Laser Applications in Garching, Germany, is home to the ATLAS-3000 multi-petawatt laser,dedicated to research on laser particle acceleration and its applications. A control system based on Tango Controls is implemented for both the laser and four experimental areas. The device server approach features high modularity,which, in addition to the hardware control, enables a quick extension of the system and allows for automated data acquisition of the laser parameters and experimental data for each laser shot. In this paper we present an overview of our implementation of the control system, as well as our advances in terms of experimental operation, online supervision and data processing. We also give an outlook on advanced experimental supervision and online data evaluation ± where the data can be processed in a pipeline ± which is being developed on the basis of this infrastructure.

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Tango Controls and data pipeline for petawatt laser experiments

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High Power Laser Science and Engineering 2023年第4期11卷 2-8页

作者： Nils Weiße Leonard Doyle Johannes Gebhard Felix Balling Florian Schweiger Florian Haberstroh Laura D.Geulig Jinpu Lin Faran Irshad Jannik Esslinger Sonja Gerlach Max Gilljohann Vignesh Vaidyanathan Dennis siebert andreas Münzer Gregor Schilling Jörg Schreiber Peter G.Thirolf Stefan Karsch andreas Döpp Ludwig-Maximilians-Universität München GarchingGermany

The Centre for Advanced Laser Applications in Garching,Germany,is home to the ATLAS-3000 multi-petawatt laser,dedicated to research on laser particle acceleration and its applications.A control system based on Tango Controls is implemented for both the laser and four experimental *** device server approach features high modularity,which,in addition to the hardware control,enables a quick extension of the system and allows for automated data acquisition of the laser parameters and experimental data for each laser *** this paper we present an overview of our implementation of the control system,as well as our advances in terms of experimental operation,online supervision and data *** also give an outlook on advanced experimental supervision and online data evaluation–where the data can be processed in a pipeline–which is being developed on the basis of this infrastructure.

关键词： data processing high-power laser experiments laser-plasma acceleration online diagnostics

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