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Stabilizing zinc anodes with robust interfacial layer at bending states toward flexible zinc batteries

Nano Research 2025年第3期18卷 252-262页

作者： Jianyu Chen Yuwei Zhu Fanlai Zhang Yizhou Wang Wendi Xu Yu Zhang Li Shi Xing Qiang Yanwen Ma Jin Zhao State Key Laboratory of Flexible Electronics(LoFF)&Institute of Advanced Materials(IAM) Nanjing University of Posts&TelecommunicationsNanjing 210023China Materials Science and Engineering King Abdullah University of Science and Technology(KAUST)Thuwal 23955-6900Saudi Arabia New Energy Technology Engineering Lab of Jiangsu Province School of ScienceNanjing University of Posts&TelecommunicationsNanjing 210023China Jiangsu Materials Research Society Nanjing 210003China Suzhou Vocational Institute of Industrial Technology Suzhou 215104China

Flexible energy storage plays a crucial role in the field of flexible electronics,because it provides the energy supply,and its technological advancement directly affects the performance and application scope of flexible *** an important flexible energy storage technology member,aqueous zinc(Zn)ion batteries(AZIBs)have garnered considerable attention due to their high safety and low ***,the development of flexible AZIBs is hindered by Zn metal anodes(ZMAs),where Zn is prone to growing into dendritic structures,especially in a curved state,and thus leads to battery ***,we design a robust interfacial layer(RIL)for stabilizing ZMAs in flexible AZIBs,whose introduction constructs uniform Zn ion channels and releases stress accumulation on the anode *** experiments and calculations are employed to verify the effectiveness of RIL in suppressing Zn dendrite at bending ***,a Zn|MnO_(2)flexible pouch battery with RIL is demonstrated with stable cycling performance during *** believe this study provides new possibilities for regulating Zn deposition under bending conditions and extends its application to flexible wearable aqueous metal batteries.

关键词： aqueous zinc ion batteries(AZIBs) zinc dendrites robust interfacial layer bending states flexible batteries

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The role of local orbital hybridization in band gap opening and magnetism induced by single-atom doping in graphene

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Physical Chemistry Chemical Physics 2025年第19期27卷 10275-10282页

作者： Xiang, Jianfei Hu, Huimin Choi, Jin-Ho College of Energy Soochow Institute for Energy and Materials Innovations Soochow University Suzhou215006 China Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province Soochow University Suzhou215006 China Key Laboratory of Core Technology of High Specific Energy Battery and Key Materials for Petroleum and Chemical Industry Soochow University Suzhou215006 China Key Laboratory of Advanced Negative Carbon Technologies Soochow University Suzhou215123 China

In this study, we employ first-principles density functional theory calculations to investigate the impact of single-atom doping on the electronic band structure of graphene. Our results demonstrate that specific dopants induce a local transition in graphene's hybridization from sp2 to sp3, which plays a crucial role in the opening of the band gap and the emergence of magnetism. We also found that electron-donating dopants cause significant electron localization near the Fermi level, resulting in the formation of nearly flat band states. Furthermore, when a dopant contributes an extra electron to the graphene lattice, the localized flat-band electrons drive band splitting, induce spin polarization, and generate a net spin magnetic moment in the system. These findings offer fundamental insights into how single-atom doping modifies graphene's electronic and magnetic properties, highlighting its potential for spintronic applications and tunable electronic devices. © 2025 The Royal Society of Chemistry.

关键词： Magnetic moments

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Calibration and measurement method of PMD based on the optimization algorithm of swarm intelligent body

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Applied Optics 2025年第9期64卷 2102-2111页

作者： Xu, Xingnan Yuan, Zihang Zhu, Jiaxin Zhou, Hong Sun, Wenqing Key Laboratory of Intelligent Optoelectronic Devices and Chips Jiangsu Higher Education Institutions School of Physical Science and Technology Suzhou University of Science and Technology Suzhou215009 China Advanced Technology Research Institute Taihu Photon Center School of Physical Science and Technology Suzhou University of Science and Technology Suzhou215009 China Suzhou Huadian Electric Technology Service Co. Ltd. Suzhou215000 China

Traditional phase measuring deflectometry (PMD) systems encounter challenges related to the stability of calibration parameter optimization, often resulting in insufficient reconstruction accuracy and low computational efficiency. In response to this technical challenge, this paper proposes an optimization method for the two-step calibration of the PMD system based on a swarm-intelligent body optimization algorithm, aiming to significantly improve the reconstruction accuracy and processing efficiency of the system. First, a traditional calibration method is used for the initial calibration of the measurement system. Subsequently, the dung beetle optimization (DBO) algorithm—to our knowledge, a novel swarm intelligence optimization algorithm known for its rapid convergence and global search capabilities—is introduced to construct a multi-objective optimization model with the three-dimensional system reconstruction error as the objective function. By applying the DBO to solve this model, a set of optimal calibration parameters is obtained. Experimental results demonstrate that the DBO algorithm achieves significant improvements in both reconstruction accuracy and stability compared to traditional calibration methods, thereby verifying its effectiveness and practicality in PMD systems. © 2025 Optica Publishing Group. All rights, including for text and data mining (TDM), Artificial Intelligence (AI) training, and similar technologies, are reserved.

关键词： Swarm intelligence

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Reduced Na-S bond adsorption of WSSe enabling fast reaction kinetics in the sodium-ion battery

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Journal of Energy Chemistry 2025年第3期102卷 609-617页

作者： Ya-Ning Liao Yan-Ling Yang Xiao-Lei Shi Yu Sun Chao-Zheng He Yi Qin Li Zhang Yue-Feng Chen Zhi-Gang Chen School of Materials Science and Engineering Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic MaterialsShaanxi University of Science and TechnologyXi’an 710021ShaanxiChina School of Chemistry and Physics ARC Research Hub in Zero-emission Power Generation for Carbon Neutralityand Centre for Materials ScienceQueensland University of TechnologyBrisbaneQueensland 4000Australia College of Engineering and Applied Sciences Jiangsu Key Laboratory of Artificial Functional MaterialsNational Laboratory of Solid-State MicrostructuresCollaborative Innovation Centre of Advanced MicrostructuresNanjing UniversityNanjing 210093JiangsuChina Institute of Environmental and Energy Catalysis School of Materials Science and Chemical EngineeringXi’an Technological UniversityXi’an 710021ShaanxiChina

WS_(2),a two-dimensional layered material,is promising as sodium-ion batteries(SIBs)anode due to its large lnterlamellar spacing and high sodium storage ***,its low electronic conductivity and high Na^(+)adsorption energy hinder reaction *** we demonstrate that substituting Se for part of the S in WS_(2)reduces interlayer Na^(+)adsorption and increases electronic *** on this finding,lamellar WSSe,grown in situ on peanut shell-derived carbon(PSDC/WSSe),is elaborately designed as a highly stable SIB anode with a fast ***/WSSe with carbon matrix and Se substitution simultaneously provides fast electron transport channels and lowered Na^(+)transport barriers(0.22 eV).The PSDC/WSSe anode offers a considerable reversible sodium storage capacity(288.0 mAh g^(-1)after 1000 cycles at 1.0 A g^(-1))and a fast kinetic reaction.A SIB full-cell using a PSDC/WSSe anode and Na_(3)V_(2)(PO_(4))_(3)cathode achieves a 215.4 Wh kg^(-1)high energy density,and successfully powers *** work offers new strategies to lower sodium ion transportation barrier in two-dimensional layered materials.

关键词： Sodium-ion batteries Two-dimensional materials WSSe WS_(2) Peanut shell-derived carbon

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Fabrication of porous bowl-like WO3 structures for ppb-level dimethylamine gas sensing

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Applied Surface Science 2025年 701卷

作者： Su, Tianci Hong, Daocheng Liu, Bohao Li, Lin Qian, Luzheng Yang, Xiuli Xu, Ning Yue, Lu Zhang, Wenhui Department of Physics Yancheng Institute of Technology Jiangsu224051 China Key Laboratory for Advanced Technology in Environmental Protection of Jiangsu Province Yancheng Institute of Technology Jiangsu224051 China

Porous bowl-like WO3 structures were prepared using a facile spray pyrolysis method using silica spheres (Ludox, 5–7 nm) as template. The effects of different amounts of Ludox on the structure, morphology, and gas-sensing performance of WO3 were investigated. The sensor based on the porous bowl-like WO3 structures prepared with 1.5 g Ludox exhibits the highest response to dimethylamine (DMA) at 220 °C, with a response of 650 (S = Ra/Rg), which is approximately 6.5 times that of WO3 microspheres prepared without Ludox. Additionally, this sensor shows fast response and recovery times of 20 s and 30 s, respectively, a low detection limit of 10 ppb, good selectivity, and excellent repeatability along with long-term stability towards DMA. The reaction process of DMA is revealed using in situ diffuse reflectance infrared fourier transform spectroscopy (DRIFT) and validated through density functional theory (DFT) calculations. The DFT results indicated that the adsorption energy of WO3 (020) is higher than that of WO3 (001) and WO3 (200). Its excellent gas-sensing performance is closely related to its unique porous bowl-like structure, abundant oxygen vacancies, highly exposed facets of (020) and large specific surface area. © 2025

关键词： Spray pyrolysis

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Fabrication of S-scheme heterojunction consisting of W-doped BiVO4 and biperovskite Cs2AgBiBr6 for photocatalytic degradation of antibiotics

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Journal of Colloid and Interface Science 2025年 696卷 137892页

作者： Liu, Ze Hu, Yadong Li, Chengkai Zhang, Zhenyu Shen, Tingzhe Zeng, Danni Guan, Rongfeng Zhou, Changjian Dong, Pengyu 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

Photocatalysis technology can degrade organic pollutants in wastewater, improving the ecological environment and protecting biodiversity. The BiVO4 stable chemical properties of BiVO4 make it a robust candidate for photochemical applications. Moreover, its broad light absorption spectrum and optimal band structure further enhance its potential, driving widespread research interest. The introduction of the eco-friendly biperovskite Cs2AgBiBr6 enhanced BiVO4′s surface area and visible light absorbance. Simultaneously, the doping process introduces impurities that modify charge transfer pathways, thereby enhancing the separation efficiency of photogenerated electron-hole pairs. When contrasted with pure BiVO4, the W-BiVO4/Cs2AgBiBr6 composite demonstrates superior surface area characteristics and exhibits stronger absorption within the visible light spectrum. Within 40 min after exposure to visible light, the efficiency of W-BiVO4/Cs2AgBiBr6 photocatalyst to degrade ofloxacin (OFX) and meloxicam (MEL) was 93.15 % and 92.70 %, respectively. Based on the toxicity analyses and antimicrobial assays simulated by the software, no highly toxic substances were found in the degradation intermediate products of OFX and MEL. The catalysts’ energy band structure and photoelectrochemical properties showed that W-BiVO4/Cs2AgBiBr6 followed the S-scheme heterojunction charge transfer mechanism. By integrating BiVO4 with other semiconductors in the form of S-scheme heterojunctions, this study explores a strategy that may effectively improve photocatalytic efficiency, particularly in pollutant degradation applications. © 2025

关键词： Heterojunctions

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Tartaric acid-assisted synthesis and acetone gas sensing properties of hierarchical WO3 phase junctions

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Sensors and Actuators B: Chemical 2025年 441卷

作者： Liu, Bohao Hong, Daocheng Li, Lin Su, Tianci Che, Luping Yang, XiuLi Xu, Ning Yue, Lu Zhang, Wenhui Department of Physics Yancheng Institute of Technology Jiangsu224051 China Key Laboratory for Advanced Technology in Environmental Protection of Jiangsu Province Yancheng Institute of Technology Jiangsu224051 China

Acetone is a hazardous substance that can directly impact vital human organs. Accurate detection is crucial for ensuring air quality, monitoring the environment, and conducting medical diagnostics. Herein, hierarchical WO3 phase junctions assembled with nanoparticals and nanosheets were synthesized by a simple tartaric acid-assisted hydrothermal method. The morphology, phase, and band gap of WO3 are influenced by the use of different chiral tartaric acids (L(+)-tartaric acid, D(-)-tartaric acid, DL-tartaric acid). Compared with the sample prepared with L(+)-tartaric acid, D(-)-tartaric acid, hierarchical WO3 phase junctions prepared with DL-tartaric acid have the higher exposed crystal faces, and the sensor with this structure shows the highest response (Ra/Rg = 162.3), short response/recovery time (16 s/15 s) to 50 ppm acetone, along with low practical detection limit (300 ppb) at the operating temperature of 180 °C. Additionally, it possesses favorable selectivity, satisfactory reproducibility, stability, and resistance to moisture. The reaction process of acetone is revealed using in situ diffuse reflectance infrared fourier transform spectroscopy (DRIFT) and validated through density functional theory (DFT) calculations. Such enhanced acetone sensing mechanism mainly roots from its unique structure, the narrow band gap, high exposed crystal faces, phase junctions and oxygen vacancies. This work provides a novel design method to construct hierarchical WO3 phase junctions with high gas-sensing performance. © 2025

关键词： Fourier transform infrared spectroscopy

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Design and testing of a four-arm apple harvesting robot in Tall-Spindle structured orchard

Design and testing of a four-arm apple harvesting robot in T...

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2024 International Conference on Optical and Photonic Engineering, icOPEN 2024

作者： Lei, Xiaojie Liu, Jizhan Wang, Jie Xu, Baocheng Jiang, Houkang Key Laboratory for Theory and Technology of Intelligent Agricultural Machinery and Equipment Jiangsu University Zhenjiang China Jiangsu Province and Education Ministry Co-sponsored Synergistic Innovation Center of Modern Agricultural Equipment Jiangsu University Zhenjiang China National Digital Agricultural Equipment Artificial Intelligence and Agricultural Robotics Innovation Sub-Centre Jiangsu University Zhenjiang China

ISBN: (数字)9781510688117

ISBN: (纸本)9781510688100

With the increasing demand for high-speed mechanized operations in apple harvesting, the development of multi-arm harvesting robots for modern orchards has become a major trend in the harvesting robot industry. However, the level of agronomic standardization continues to present challenges to the advancement of existing multi-arm harvesting robots. Therefore, by analyzing the advantages and disadvantages of existing multi-arm harvesting robots and targeting the widely used Tall-Spindle apple orchards in modern China, this paper proposes a design scheme for a mobile four-arm apple harvesting robot. This design not only satisfies the demand for simultaneous four-arm picking in these scenarios, but also optimizes the allocation of tasks among the four cameras and robotic arms, thereby improving the overall picking efficiency. Experimental results indicate that the robot is capable of simultaneous four-arm harvesting in Tall-Spindle apple orchards. It successfully harvests 78.64% of the fruits within the growing range, and the average harvesting efficiency of the four arms is 3.39 fruits/s. This significantly improves the current challenges associated with the high labor intensity of manual picking. © 2025 SPIE.

关键词： Orchards

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Improving overlapping quality of 316L stainless steel fabricated by multi-laser powder bed fusion through optimizing non-remelting scanning strategy

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Journal of Manufacturing Processes 2025年 145卷 333-345页

作者： Jiang, Renwu Yang, Yongqiang Wang, Han Bai, Yuchao Liu, Linqing Zheng, Zhijun Chen, Jie Yan, Xingchen Yang, Chao Jin, Gang Wang, Di School of Mechanical and Automotive Engineering South China University of Technology Guangzhou510640 China School of Robotics and Advanced Manufacture Harbin Institute of Technology Shenzhen518052 China Institute of Intelligent Manufacturing Guangdong Academy of Sciences Guangdong Guangzhou510070 China National Engineering Laboratory for Modern Materials Surface Engineering Technology The Key Lab of Guangdong for Modern Surface Engineering Technology Guangdong Institute of New Materials Guangzhou510651 China

Multi-laser powder bed fusion (ML-PBF) has emerged as a promising solution for achieving large-scale functional parts with high resolution based on powder bed fusion technology, particularly in high-end fields (e.g. aerospace). However, ML-PBF processes are often challenged by issues like poor surface quality, internal defects, and low mechanical properties within the multi-laser overlap region. Therefore, it is necessary to investigate a multi-laser scanning strategy to develop an effective solution for controlling overlap region quality. In this work, two non-remelting scanning strategies, sequential scanning and reverse scanning, with different scanning angles (0°, 45°, 90°) were proposed to improve the ML-PBF quality. The results show that the orthogonal sequential scanning strategy with a scanning angle of 0° resulted in a flatter surface and fewer internal defects in the overlap region. Subsequently, the influence mechanism of overlap region width (ORW) under the above-mentioned scanning strategy on surface morphology, pore defects, microstructure, and mechanical properties was systematically investigated. The sample with an ORW of 1.5 mm displayed the highest ultimate tensile strength of 625.0 MPa and elongation of 36.2 %, which is comparable to the counterparts fabricated by single-laser powder bed fusion with a negligible reduction of ~2.1 % in the tensile strength. Moreover, the fracture occurred away from the overlap region during tensile testing, which means that the suggested non-remelting scanning strategy successfully enhances the quality of the overlap region. Generally, this study provides significant insight into the quality controlling in the overlap region of ML-PBF parts and theoretical guidance for enhancing the ability to fabricate large-scale parts based on powder bed fusion technology. © 2025 The Society of Manufacturing Engineers

关键词： Tensile strength

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用于吸收型电磁屏蔽的阻抗匹配可调自支撑Ti3C2Tx薄膜（英文）

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Science China Materials 2025年第5期68卷 1581-1591页

作者：周同庆白岩蒋天遂费文坤刘淑娟李建民赵强 State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials (IAM)Nanjing University of Posts & Telecommunications College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology) Nanjing University of Posts and Telecommunications

柔性吸收型电磁干扰（EMI）屏蔽材料对于诸如电信、汽车工业、航空航天以及柔性电子等敏感电子设备至关重要,其优点在于对电磁波的反射较少,同时具有适应性强和重量轻的特点.然而,实现高吸收能力与宽带宽的同时兼具柔性以适应设备变形,... 详细信息

柔性吸收型电磁干扰（EMI）屏蔽材料对于诸如电信、汽车工业、航空航天以及柔性电子等敏感电子设备至关重要,其优点在于对电磁波的反射较少,同时具有适应性强和重量轻的特点.然而,实现高吸收能力与宽带宽的同时兼具柔性以适应设备变形,仍然是一项重大挑战.本研究通过辊对辊工艺制备了具有可调节EMI屏蔽能力的柔性多层Ti3C2Tx（ML-Ti3C2Tx）/聚四氟乙烯（PTFE）复合膜. ML-Ti3C2Tx微粒的腔体结构和复合膜的“砖石”网络所引发的多重损耗机制,为入射电磁波的多次反射和散射提供了更多通道.此外,通过控制膜的厚度和ML-Ti3C2Tx的比例,可以定制阻抗匹配以实现高吸收能力.因此,厚度为3.5毫米、ML-Ti3C2Tx/PTFE-25 wt%的复合膜在X频段达到了70 dB的高EMI屏蔽效能,反射率仅为0.0004%.值得注意的是,得益于两种组分之间的强相互作用,这些膜在变形和极低温度（-200℃）处理后仍保持恒定的性能,显示出在未来多种应用中的广阔潜力.

关键词： flexible electronics EMI shielding materials EMW absorption ultralow reflection multilayer Ti3C2Tx

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