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Direct ink writing of conductive materials for emerging energy storage systems

Nano Research 2022年第7期15卷 6091-6111页

作者： Ting Huang Wenfeng Liu Chenliang Su Ya-yun Li Jingyu Sun College of Materials Science and Engineering Shenzhen Key Laboratory of Special Functional Materials&Shenzhen Engineering Laboratory for Advance Technology of CeramicsShenzhen UniversityShenzhen 518060China College of Energy Soochow Institute for Energy and Materials InnovationsJiangsu Provincial Key Laboratory for Advanced Carbon Materials and Wearable Energy TechnologiesSoochow UniversitySuzhou 215006China Institute of Microscale Optoelectronics International Collaborative Laboratory of 2D Materials for Optoelectronic Science&Technology of Ministry of EducationShenzhen UniversityShenzhen 518060China

Direct ink writing(DIW)has recently emerged as an appealing method for designing and fabricating three-dimensional(3D)*** 3D structures can be built layer-by-layer via digitally controlled extrusion and deposition of aqueous-based colloidal *** formulation of well-dispersed suspensions with specific rheological behaviors is a prerequisite for the use of this *** this review article,the fundamental concepts of DIW are presented,including the operation principles and basic *** strategies used for ink formulation are discussed with a focus on the most widely used electrode materials,including graphene,Mxenes,and carbon *** recent progress in printing design of emerging energy storage systems,encompassing rechargeable batteries,supercapacitors,and hybrid capacitors,is *** and future perspectives are also covered to provide guidance for the future development of DIW.

关键词： direct ink writing energy storage ink formulation conductive materials structure-performance relationship

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Designing and synthesis of perovskite nanocrystals: a promising wide-spectrum solar light–responsive photocatalyst and lead ion sensor

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Environmental Science and Pollution Research 2024年 1-20页

作者： Ali, Nisar Ahmad, Shakeel Nawaz, Arif Khan, Manzoor Ullah, Aman Idrees, Muhammad Khan, Adnan Khan, Wilayat Key Laboratory for Palygorskite Science and Applied Technology of Jiangsu Province National & ampLocal Joint Engineering Research Center for Mineral Salt Deep Utilization Huaiyin Institute of Technology Huai’an223003 China Department of Chemistry Bacha Khan University KPK Charsadda Pakistan Institute of Chemical Sciences University of Peshawar Peshawar25120 Pakistan Department of Physics Bacha Khan University KPK Charsadda Pakistan Ibra Oman Henan Key Laboratory of Advanced Semiconductor & amp Functional Device Integration School of Physics Henan Normal University Xinxiang453007 China

Perovskites are an emerging material with a variety of applications, ranging from their solar light conversion capability to their sensing efficiency. In current study, perovskite nanocrystals (PNCs) were designed using theoretical density functional theory (DFT) analysis. Moreover, the theoretically designed PNCs were fabricated and confirmed by various characterization techniques. The calculated optical bandgap from UV–Vis and fluorescence spectra were 2.15 and 2.05 eV, respectively. The average crystallite size of PNCs calculated from Scherrer equation was 15.18 nm, and point of zero charge (PZC) was obtained at pH 8. The maximum eosin B (EB) removal efficiency by PNCs was 99.56% at optimized conditions following first-order kinetics with 0.98 R2 value. The goodness of the response surface methodology (RSM) model was confirmed from analysis of variance (ANOVA), with the experimental F value (named after Ronald Fisher) of 194.66 being greater than the critical F value F0.05, 14, 14 = 2.48 and a lack of fit value of 0.0587. The Stern–Volmer equation with a larger Ksv value of 1.303710×106 for Pb2+ suggests its greater sensitivity for Pb2+ among the different metals tested. Graphical Abstract: (Figure presented.) © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024.

关键词： Perovskite

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Identification and Localization of Optimal Picking Point for Truss Tomato Based on Mask R-CNN and Depth Threshold Segmentation 11

Identification and Localization of Optimal Picking Point for...

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11th IEEE Annual International Conference on CYBER technology in Automation, Control, and Intelligent Systems, CYBER 2021

作者： Yan, Jiawen Wang, Pengbo Wang, Tianjian Zhu, Guofeng Zhou, Xiaoliang Yang, Zhan School of Mechanical and Electric Engineering Jiangsu Provincial Key Laboratory of Advanced Robotics Soochow University Suzhou215123 China

ISBN: (纸本)9781665425278

Aiming at the problems of variable illumination, different fruit postures and the interference of main stem and fruit stem in natural greenhouse environment, this paper presents a new identification and localization method for picking point of truss tomato based on the combination of Mask R-CNN and depth threshold segmentation. 679 tomato clusters were detected in greenhouse. The results showed that the overall segmentation and detection success rate of Mask R-CNN ripe truss tomatoes reached 80.5%. On the basis of successfully obtaining the optimal picking point area, Mask R-CNN excluded the main stem and background fruit stem after depth threshold processing. The success rate of segmentation and recognition is 100%, and the success rate of fruit stem depth information positioning is 87.3%. The average detection time is 2.34s, which can be used to localize the optimal picking point in greenhouse. © 2021 IEEE.

关键词： Fruits

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Nitrogen-Doped ZnIn2S4 and Tpa Multi-Dimensional Synergistically Enhance Photocatalytic Hydrogen Production

SSRN

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SSRN 2024年

作者： Zeng, Danni Shen, Tingzhe Hu, Yadong Zhang, Zhenyu Liu, Ze Xu, Ning Song, Jun Guan, Rongfeng Zhou, Changjian Key Laboratory for Advanced Technology in Environmental Protection of Jiangsu Province Yancheng Institute of Technology Jiangsu China School of Chemistry and Chemical Engineering Yancheng Institute of Technology Jiangsu China School of Mechanical Engineering Yancheng Institute of Technology Jiangsu China

To alleviate the environmental pollution and energy crisis caused by the excessive use of fossil fuels, photocatalytic water splitting to produce hydrogen is an important way to solve energy and environmental problems. Here, Nitrogen-doped ZnIn2S4 (N-ZIS) composite tungsten-based polyoxometalate (TPA) composites (denoted as N-ZIS/TPA) were synthesized by a one-step solvothermal method. The introduction of N3- instead of S2- in ZIS changes the internal electron arrangement of ZIS, improves the electronegativity of ZIS, and is conducive to the surface adsorption of positively charged H*. At the same time, the impurity energy level is generated at the valence band position, which narrows the band gap and broadens the light absorption range, thereby promoting photocatalytic hydrogen production. After compounding, due to the adjustable redox properties of TPA itself, the internal W6+ part is reduced to W6+, resulting in the coexistence of W6+ and W4+ in the composite material, which fully verifies the flow of interface electrons from N-ZIS to TPA. The close contact between N-ZIS and TPA and the built-in electric field's driving force help achieve efficient interfacial charge transfer. At the same time, W6+/W4+ redox pairs were introduced to accelerate the separation of photogenerated electrons and holes. The photocatalytic hydrogen production rate of the best sample 1N-ZIS/TPA-15 is as high as 17345.53 μmol·g-1·h-1, which is 2.92 times that of N-ZIS (5940.08 μmolg-1·h-1) and 8.03 times that of ZIS (2159.22 μmol·g-1·h-1)). This study explores the design and construction of efficient s-type heterojunctions by adjusting the energy band position of ZnIn2S4 as a new strategy in the field of photocatalytic hydrogen production. © 2024, The Authors. All rights reserved.

关键词： Nitrogen

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Fiber to the Room: key Technologies, Challenges, and Future Prospects

arXiv

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arXiv 2025年

作者： Cai, Jinhan Zhang, Xiaolong Wang, Xiang Chang, Tianhai Shen, Gangxiang Jiangsu Provincial Laboratory for Advanced Optical Transmission and Switching Networks Jiangsu New Optical Fiber Technology and Communication Network Engineering Research Center Suzhou Key Laboratory of Advanced Optical Communication Network Technology School of Electronic and Information Engineering Soochow University Jiangsu Province 215006 China Huawei Technology China

Fiber to the Room (FTTR) is a next-generation access network designed to deliver high bandwidth, low latency, and room-level optical coverage. This paper presents a comprehensive analysis of the FTTR system architecture and protocol stack, focusing on three key technical aspects: centralized scheduling and control, integrated management and maintenance, and green energy-saving mechanisms. A simplified FTTR architecture based on the convergence of the medium access control (MAC) and physical (PHY) layers is introduced to enhance coordination and scheduling efficiency. An extended remote management scheme, based on the optical network unit management and control interface (OMCI), is described to enable unified control across main fiber units (MFUs) and sub-fiber units (SFUs). Furthermore, a service-aware energy-saving framework is discussed for dynamic power optimization. The paper also explores the integration of artificial intelligence (AI) and passive sensing into FTTR systems to support intelligent scheduling, energy management, and environment-aware optimization. These insights provide technical guidance for the scalable deployment and future evolution of FTTR networks. Copyright © 2025, The Authors. All rights reserved.

关键词： Fiber to the x

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Selection of Extraction Solvents for Bitumen from Indonesian Oil Sands through Solubility Parameters

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China Petroleum Processing & Petrochemical technology 2022年第4期24卷 93-97页

作者： Cui Wenlong Zhu Qingqing Zhao Chenze Wang Cheli Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology Advanced Catalysis and Green Manufacturing Collaborative Innovation CenterSchool of Petrochemical EngineeringChangzhou UniversityChangzhou 213164China Zhejiang Chemical Products Quality Inspection Company Ltd. Hangzhou 310023China

Indonesian oil sands were systematically separated to investigate their basic *** extraction effects of the solvents with different Hilderbrand solubility parameters(HSPs)on the bitumen of Indonesian oil sands were ***,the Hansen solubility combination parameter(HSCP)and Teas triangle were used to explore rules in the separation of oil sands bitumen via solvent ***,the saturates,aromatics,resins,and asphaltenes(SARA)fractions of the bitumen from Indonesian oil sands were *** results showed that the Indonesian oil sands were oil-wet with a bitumen content of 24.93%.The solvent extraction for bitumen could be accurately and conveniently selected based on the solubility *** the HSPs of the extraction solvent were around 18–19 and the HSCPs were closer to a certain range(δ_(d)=17.5–18.0,δ_(p)=1–3.5,and δ_(h)=2–6),the extraction effect of bitumen from Indonesian oil sands improved,and the primary component affecting the extraction rate of bitumen were asphaltenes.

关键词： oil sand bitumen extraction solvent solubility parameter SARA fractions

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Room-temperature-prepared, flexible and stretchable MAPbI 2 Br/PDPP3T bipolar response photodetector and secure optical communication applications

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Journal of Materials Science & technology 2026年 242卷 166-172页

作者： Liukang Bian Fengren Cao He Huang Xinzhi Sun Haoxuan Sun Meng Wang Liang Li School of Physical Science and Technology Jiangsu Key Laboratory of Frontier Material Physics and Devices Suzhou Key Laboratory of Intelligent Photoelectric Perception Center for Energy Conversion Materials & Physics (CECMP) Soochow University Suzhou 215006 China Jiangsu Key Laboratory of Advanced Negative Carbon Technologies Soochow University Suzhou 215123 China

Flexible and stretchable photodetectors have broad application prospects in various fields because they can tightly adhere to complex surfaces and withstand significant deformation. However, the hydrophobicity and nonconductivity of stretchable substrates and incompatible preparation methods with stretchable substrates severely hinder their development. In this work, by controlling the sputtering time of ITO, the substrate hydrophilicity and the patterning of the conductive layer were simultaneously improved. By introducing the viscous water-absorbing polymer polyethylene glycol (PEG), solvent evaporation was delayed, and the growth of room temperature-processed MAPbI 2 Br was modified. Thus, a room-temperature-prepared, flexible and stretchable photodetector was realized. The device can retain approximately 90 % of the initial performance after 12,000 bending cycles with a 90° bending angle and 60 % after 1400 stretching cycles with 10 % stretching strength. Moreover, the structural design of vertically stacked homogeneous transport layers results in a wavelength-modulated bipolar response. On this basis, a dual-channel encrypted communication system is designed, in which the input wavelength and light intensity can be arbitrarily within a specified range and the interference signal can be added to any signal segment that is not cracked by traditional devices.

关键词：

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Tomato Fruit Maturity Detection Method Based on YOLOV4 and Statistical Color Model 11

Tomato Fruit Maturity Detection Method Based on YOLOV4 and S...

引用

11th IEEE Annual International Conference on CYBER technology in Automation, Control, and Intelligent Systems, CYBER 2021

作者： Zhou, Xiaoliang Wang, Pengbo Dai, Guanglin Yan, Jiawen Yang, Zhan School of Mechanical and Electric Engineering Jiangsu Provincial Key Laboratory of Advanced Robotics Soochow University Suzhou215123 China

ISBN: (纸本)9781665425278

The ripening information of tomato fruit in greenhouse environment is closely related to production operation. Currently, greenhouse tomato ripening information is mainly carried out by manual inspection. In this paper, we present a new real-Time method of tomato fruit detection and its maturity measurement in natural greenhouse. More than 25,000 tomato fruits were tested in 1005 images by Yolov4 and the identification accuracy was 95%. After construction of single fruit data set, the color proportion analysis of RGB color features was analyzed. Combined with normalization and noise reduction processing of K-means clustering, we proposed the maturity detection method based on the proportion of R component in RGB space. Experiment results of scouting robot showed that the recognition and detection speed is 5-6 frames/s. © 2021 IEEE.

关键词： Greenhouses

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DC-link Oscillation Suppression For DAB-based Photovoltaic- Energy Storage Power Generation System 11

DC-link Oscillation Suppression For DAB-based Photovoltaic- ...

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11th China International Conference on Electricity Distribution, CICED 2024

作者： Wang, Zimo Jiang, Wenwei Xu, Yunfei Ko Latt, Htun Ko Chen, Pengwei State Key Laboratory of Advanced Power Transmission Technology State Grid Smart Grid Research Institute Co. Ltd. Beijing102209 China College of Automation Engineering Nanjing University of Aeronautics and Astronautics Jiangsu Province Nanjing211106 China

ISBN: (纸本)9798350368345

For the photovoltaic (PV)-energy storage system, the dc-link oscillation is usually generated due to the interactions between converters. This paper takes the dual-active bridge (DAB) converter integrating energy storage as the research object of the suppression. Based on the small-signal model of DAB converter, an active damping using capacitance voltage feedforward is proposed to simulate resistor and capacitor respectively on demand, thus reshaping the input impedance of the DAB converter. Finally, the strategy is validated by impedance modeling and the electromagnetic transient simulation. © 2024 IEEE.

关键词： Damping

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Multifunctional catalytic sites regulation of atomic-scale iridium on orthorhombic-CoSe_(2)for high efficiency dual-functional alkaline hydrogen evolution and organic degradation

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Journal of Energy Chemistry 2024年第5期92卷 271-281页

作者： Jingjing Huang Chenglin Zhong Yanjie Xia Jia Liu Guizhen Li Chao Yang Jiahong Wang Qian Wang Zhenbao Zhang Feng Yan Jianghua Wu Yu Deng Zhenjiang Zhou Xingchen He Paul K.Chu Woon-Ming Lau Xue-Feng Yu College of Chemistry and Chemical Engineering Linyi UniversityLinyi 276005ShandongChina Shenzhen Engineering Center for the Fabrication of Two-Dimensional Atomic Crystals Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055GuangdongChina National Laboratory of Solid State Microstructures Jiangsu Key Laboratory of Artificial Functional MaterialsCollege of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing 210093JiangsuChina College of Biosystems Engineering and Food Science Zhejiang UniversityHangzhou 310058ZhejiangChina Department of Physics Department of Materials Science and EngineeringDepartment of Biomedical EngineeringCity University of Hong KongTat Chee AvenueKowloonHong KongChina

The earth-abundant and high-performance catalysts are crucial for commercial implementation of hydrogen evolution reaction(HER).Herein,a multifunctional site strategy to construct excellent HER catalysts by incorporating iridium(Ir)ions on the atomic scale into orthorhombic-CoSe2(Ir-CoSe_(2))was *** hydrogen evolution activity in alkaline media such as a low overpotential of 48.7 mV at a current density of 10 mA cm^(-2)and better performance than commercial Pt/C catalysts at high current densities were found in the Ir-CoSe_(2) *** the experiments and theoretical calculations,it was revealed that Ir enabled CoSe_(2)to form multifunctional sites to synergistically catalyze alkaline HER by promoting the adsorption and dissociation of H_(2)O(Ir sites)and optimizing the binding energy for H^(*)on Co *** was noticeable that the electrolytic system comprising the Ir-CoSe_(2)electrode not only produced hydrogen efficiently via HER,but also degraded organic pollutants(Methylene blue).The cell voltage of the dual-function electrolytic system was 1.58 V at the benchmark current density of 50 mA cm^(-2),which was significantly lower than the conventional water splitting *** was indicated that this method was a novel strategy for designing advanced HER electrocatalysts by constructing multifunctional catalytic sites for hydrogen production and organic degradation.

关键词： Orthorhombic-CoSe_(2) Multifunctional sites design Hydrogen evolution reaction Synergistically catalyze Methylene blue oxidation

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