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National Science Review 2024年第9期11卷 88-105页

作者： Zhengjie Chen Xiaoning Li Hao Ma Yuwei Zhang Jing Peng Tianyi Ma Zhenxiang Cheng Jose Gracia Yuanmiao Sun Zhichuan J.Xu Faculty of Materials Science and Energy Engineering Shenzhen University of Advanced Technology School of Materials Science and Engineering Nanyang Technological University School of Science RMIT University Institute of Technology for Carbon Neutrality Shenzhen Institute of Advanced Technology Chinese Academy of Sciences Institute for Superconducting and Electronic Materials ISEM Faculty of Engineering and Information Sciences Innovation Campus University of Wollongong Magneto Cat SL Center for Advanced Catalysis Science and Technology Nanyang Technological University

The shift towards sustainable energy requires efficient electrochemical conversion technologies,emphasizing the crucial need for robust electrocatalyst design. Recent findings reveal that the efficiency of some electrocatalytic reactions is spin-dependent, with spin configuration dictating ***, understanding the spin's role and controlling it in electrocatalysts is important. This review succinctly outlines recent investigations into spin-dependent electrocatalysis, stressing its importance in energy conversion. It begins with an introduction to spin-related features, discusses characterization techniques for identifying spin configurations, and explores strategies for fine-tuning them. At the end, the article provides insights into future research directions, aiming to reveal more unknown fundamentals of spin-dependent electrocatalysis and encourage further exploration in spin-related research and applications.

关键词： spin-dependent electrocatalysis spin configuration spin-related features characterization techniques manipulation strategies

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Plasmonic Enhancement of Surface Acoustic Wave - Photonic Integrated Devices in Silicon-on-Insulator

Plasmonic Enhancement of Surface Acoustic Wave - Photonic In...

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CLEO: Science and Innovations in CLEO 2024, CLEO: S and I 2024 - Part of Conference on Lasers and Electro-Optics

作者： Dokhanian, L. Bag, S. Kumar Hen, M. Zadok, A. Faculty of Engineering Institute for Nano-Technology and Advanced Materials Bar-Ilan University Ramat-Gan5290002 Israel

Thermoelastic stimulation of surface acoustic waves in standard silicon photonic circuits is enhanced through the absorption of pump light in surface plasmon resonant unit cells. Transmission losses are reduced by 20 ... 详细信息

关键词： Silicon photonics

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Plasmonic Enhancement of Surface Acoustic Wave - Photonic Integrated Devices in Silicon-on-Insulator

Plasmonic Enhancement of Surface Acoustic Wave - Photonic In...

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2024 Conference on Lasers and Electro-Optics, CLEO 2024

作者： Dokhanian, L. Bag, S. Kumar Hen, M. Zadok, A. Faculty of Engineering Institute for Nano-Technology and Advanced Materials Bar-Ilan University Ramat-Gan5290002 Israel

ISBN: (纸本)9781957171395

关键词： Silicon photonics

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Revealing the origin of the photo-instability to improve the performance of PbS quantum dot solar

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nano Research 2024年第12期17卷 10644-10648页

作者： Chunyan Wu Jinpeng Yang Shuo Ding Tengzuo Huang Tao Sun Lei Qian Chaoyu Xiang Laboratory of Advanced Nano-Optoelectronic Materials and Devices Qianwan Institute of CNITECHNingbo 315336China Laboratory of Advanced Nano-Optoelectronic Materials and Devices Ningbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingbo 315201China Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices Ningbo Institute of Materials Technology&EngineeringChinese Academy of SciencesNingbo 315201China International Joint Research Center of China for Optoelectronic and Energy Materials Energy Research InstituteYunnan UniversityKunming 650091China Department of Mechanical Materials and Manufacturing EngineeringUniversity of Nottingham Ningbo ChinaNingbo 315100China

Stability under light is critical for lead sulfide quantum dots(PbS QDs)in solar cell *** improve the stability of PbS QDs solar cells,the influence of the light illumination on the performance of the as-prepared PbS QDs solar cells was carefully *** with X-ray and ultraviolet photoelectron spectroscopies,it was revealed that the 1,2-ethanedithiol(EDT)ligands of the hole transport p-type PbS QDs reacted with the ligands of the PbS QDs active layer under light *** reaction not only undermines the n-type characteristics of the active layer,but also increases the number of defects,leading to a serious deterioration in device *** interface layer was introduced to block the EDT penetration to avoid this issue,significantly improving the stability of the device under light ***,the separation of carriers was also enhanced due to the better matching the energy level of the interface *** device with an interface layer yielded a power conversion efficiency of 12.55%and sustained to a long time light illumination.

关键词： solar cell lead sulfide quantum dots(PbS QDs) photo-instability interlayer lght illumination

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Liquid metal as an efficient protective layer for lithium metal anodes in all-solid-state batteries

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Carbon Energy 2024年第7期6卷 219-229页

作者： Shiqiang Zhou Mengrui Li Peike Wang Lukuan Cheng Lina Chen Yan Huang Boxuan Cao Suzhu Yu Qingju Liu Jun Wei Shenzhen Key Laboratory of Flexible Printed Electronics Technology Harbin Institute of TechnologyShenzhenChina School of Materials Science and Engineering Harbin Institute of TechnologyShenzhenChina State Key Laboratory of Advanced Welding and Joining Harbin Institute of TechnologyHarbinChina Yunnan Key Laboratory for Micro/Nano Materials and Technology School of Materials and EnergyYunnan UniversityKunmingChina

Lithium metal batteries with inorganic solid-state electrolytes have emerged as strong and attractive candidates for electrochemical energy storage devices because of their high-energy content and ***,inherent challenges of deleterious lithium dendrite growth and poor interfacial stability hinder their commercial ***,we report a liquid metal-coated lithium metal(LM@Li)anode strategy to improve the contact between lithium metal and a Li6PS5Cl inorganic *** LM@Li symmetric cell shows over 1000 h of stable lithium plating/stripping cycles at 2mA cm^(-2) and a significantly higher critical current density of 9.8 mAcm^(-2) at 25°*** addition,a full battery assembled with a high-capacity composite LiNbO3@-LiNi_(0.7)Co_(0.2)Mn_(0.1)O_(2)(LNO@NCM721)cathode shows stable cycling *** and computational results have demonstrated that dendrite growth tolerance and physical contact in solid-state batteries can be reinforced by using LM interlayers for interfacial modification.

关键词： all-solid-state batteries interface engineering liquid metals lithium metal anodes

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Single-wall carbon nanotube fiber non-woven fabrics with a high electrothermal heating response

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nano Research 2024年第6期17卷 5621-5628页

作者： Xinyu Jiao Lele Xu Xinyang Sun Chao Shi Peng-Xiang Hou Chang Liu Hui-Ming Cheng Shenyang National Laboratory for Materials Science Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China School of Materials Science and Engineering University of Science and Technology of ChinaHefei 230026China Faculty of Materials Science and Engineering/Institute of Technology for Carbon Neutrality Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China

Carbon nanotube(CNT)fibers have great promise for constructing multifunctional fabrics with high electrical conductivity,good electro-heating ability,excellent flexibility,and a low ***,the inter-fiber contacts in the fabric greatly reduce these advantages and limit their ***,a simple pressure-fusing method to fabricate single-wall CNT(SWCNT)fiber non-woven fabrics(NWFs)that are composed of interconnected SWCNT fibers with fused joints is reported,which have good flexibility,a low density of 0.46 g/cm^(3),a high electrical conductivity of 3.7×10^(5)S/m,and a record high specific electrical conductivity of 803(S·m^(2))/*** also showed excellent electrical heating ability,so that a temperature of~160℃was rapidly reached at a low voltage of 2 *** with their low density,the SWCNT fiber NWFs are promising for use as a heating unit for low temperature battery protection and de-icing applications.

关键词： carbon nanotube fiber nonwoven fabrics fusing electrothermal heating

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Stability of dimensionally stable anode for chlorine evolution reaction

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nano Research 2024年第3期17卷 949-959页

作者： Ziliang Deng Shuying Xu Chuhao Liu Xueqiang Zhang Mufan Li Zipeng Zhao Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications Experimental Center of Advanced MaterialsSchool of Materials Science and EngineeringBeijing Institute of TechnologyBeijing 100081China Beijing National Laboratory for Molecular Sciences College of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871China Laser Micro/Nano-Fabrication Laboratory School of Mechanical EngineeringBeijing Institute of TechnologyBeijing 10081China

Chlorine(Cl2)is one of the most important chemicals produced by the electrolysis of brine solutions and is a key raw material for many areas of industrial *** nearly half a century,dimensionally stable anode(DSA)made from a mixture of RuO_(2) and TiO_(2) solid oxides coated on Ti substrate has been the most widely used electrode for chlorine evolution reaction(CER).In harsh operating environments,the stability of DSAs remains a major challenge greatly affecting their *** deactivation of DSAs significantly increases the cost of the chlor-alkali industry due to the corrosion of Ru and the formation of the passivation layer TiO_(2).Therefore,it is urgent to develop catalysts with higher activity and stability,which requires a thorough understanding of the deactivation mechanism of DSA *** paper reviews existing references on the deactivation mechanisms of DSA catalysts,including both experimental and theoretical *** on how CER selectivity affects electrode stability are also ***,studies on the effects of the preparation process,elemental composition,and surface/interface structures on the DSA stability and corresponding improvement strategies are *** development of other non-DSA-type catalysts with comparable stability is also reviewed,and future opportunities in this exciting field are also outlined.

关键词： chlorine evolution reaction(CER) dimensionally stable anode(DSA) RuO_(2)-TiO_(2) metal oxide anode stability

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An innovative and facile synthesis route of(La,Sr)_(2)FeO_(4+δ)–La_(0.4)Sr_(0.6)FeO_(3−δ)composite as a highly stable air electrode for reversible solid oxide cell applications

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Journal of advanced Ceramics 2024年第9期13卷 1337-1348页

作者： Qihang Ren Yang Zhang Haoliang Tao Ling Qin KonradŚwierczek Wanbing Guan Jianxin Wang Changrong Xia Liangzhu Zhu Nano Science and Technology Institute University of Science and Technology of ChinaSuzhou 215123China Zhejiang Key Laboratory of Advanced Fuel Cells and Electrolyzers Technology Ningbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingbo 315201China Faculty of Energy and Fuels AGH University of Krakowal.A.Mickiewicza 30Krakow 30-059Poland College of Materials Science and Engineering Hubei University of Automotive TechnologyShiyan 442002China

Achieving thermal cycle stability is an imperative challenge for the successful commercialization of solid oxide cell(SOC)***‒Popper(R‒P)oxides,whose thermal expansion coefficient(TEC)is compatible with common electrolytes,are promising candidates for SOC ***,the two-dimensional conduction characteristic of R‒P oxides leads to insufficient catalytic activity,which hinders their ***,we propose a win‒win strategy for self-assembly decoration by employing a one-pot method to address this *** using a single perovskite oxide(La_(0.4)Sr_(0.6)FeO_(3))to modify R‒P oxide(La_(0.8)Sr_(1.2)FeO_(4+δ)),we enhanced the electrochemical performance without compromising the stability of the composite *** strategic incorporation of a 10 mol%perovskite phase at 800℃ resulted in a significant 49%reduction in the polarization resistance(R_(p)),an impressive 86%increase in the maximum power density under power generation mode,and a notable 33%increase in the electrolysis current density under electrolysis ***,the perovskite-decorated R‒P oxide composite also exhibited high thermal and chemical stability,with negligible performance degradation observed under both thermal cycling and charge/discharge cycling *** results demonstrate that such dual-phase composites,which are simultaneously produced by a onestep process with outstanding catalytic activity and stability,can be considered an effective strategy for the advancement of SOCs.

关键词： Ruddlesden−Popper(R−P) solid oxide cell(SOC) air electrode robustness one-pot synthesis

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PERFORMANCE EVALUATION OF HONEYCOMB FOAM CORE HYBRID SANDWICH COMPOSITES WITH VARYING FIBER REINFORCED POLYMER SKIN

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Composites: Mechanics, Computations, Applications 2024年第1期15卷 65-78页

作者： Kamaraj, M. Matthew, Samuel Navghare, Sarvesh Datta, Shubhabrata Centre for Composite and Advanced Materials Department of Mechanical Engineering Faculty of Engineering and Technology SRM Institute of Science and Technology Kattankulathur Tamil Nadu Chengalpattu603203 India

This research is an analysis of a unique high-density honeycomb foam named Lantor Soric, a flexible core material specifically used for resin infusion. To understand the full scope of this unique core material, it was bonded with various synthetic, natural, and hybrid face sheets. The glass, carbon, and jute fibers were utilized to prepare the face sheets, and epoxy was used as a binder. The sandwich composite samples were developed by a vacuum resin infusion technique. The performance of the sandwich composite, such as water absorption, flammability, and tensile and flexural strength, revealed that the addition of honeycomb foam to the composite structure improved the performance, such as water absorption, flammability, and tensile and flexural strength of the sandwich composite. The honeycomb foam was able to distribute the resin evenly throughout the laminate via its flow channels. Also, the hybrid composite of natural and synthetic fibers showed some astonishing properties in mechanical testing. The failure mechanism of the sandwich composite was inspected using scanning electron microscopy. Fractography revealed that the main mechanism for the failure was fiber pull out, voids, and interfacial debonding. © 2024 by Begell House, Inc. ***.

关键词： Foams

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An inorganic liquid crystalline dispersion with 2D ferroelectric moieties

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National Science Review 2024年第5期11卷 254-263页

作者： Ziyang Huang Zehao Zhang Rongjie Zhang Baofu Ding Liu Yang Keyou Wu Youan Xu Gaokuo Zhong Chuanlai Ren Jiarong Liu Yugan Hao Menghao Wu Teng Ma Bilu Liu Shenzhen Graphene Centre Shenzhen Key Laboratory of Advanced Layered Materials for Value-added ApplicationsTsinghua-Berkeley Shenzhen Institute and Institute of Materials ResearchTsinghua Shenzhen International Graduate School Tsinghua University Institute of Technology for Carbon Neutrality Faculty of Materials Science and Engineering Shenzhen Institute of Advanced Technology Chinese Academy of Sciences School of Physics and Institute for Quantum Science and Engineering School of Chemistry and Institute of Theoretical ChemistryHuazhong University of Science and Technology Xi'an Research Institute of High Technology Shenzhen Institute of Advanced Technology Chinese Academy of Sciences Department of Applied Physics Hong Kong Polytechnic University

Electro-optical effect-based liquid crystal devices have been extensively used in optical modulation techniques, in which the Kerr coefficient reflects the sensitivity of the liquid crystals and determines the strength of the device's operational electric field. The Peterlin–Stuart theory and the O'Konski model jointly indicate that a giant Kerr coefficient could be obtained in a material with both a large geometrical anisotropy and an intrinsic polarization, but such a material is not yet reported. Here we reveal a ferroelectric effect in a monolayer two-dimensional mineral vermiculite. A large geometrical anisotropy factor and a large inherent electric dipole together raise the record value of Kerr coefficient by an order of magnitude, till 3.0 × 10-4mV-2. This finding enables an ultra-low operational electric field of10～2–10～4V m-1and the fabrication of electro-optical devices with an inch-level electrode separation, which has not previously been practical. Because of its high ultraviolet stability（decay <1% under ultraviolet exposure for 1000 hours）, large-scale production, and energy efficiency, prototypical displayable billboards have been fabricated for outdoor interactive scenes. This work provides new insights for both liquid crystal optics and two-dimensional ferroelectrics.

关键词： 2D materials layered minerals vermiculite ferroelectric inorganic liquid crystal Kerr coefficient

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