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Science China(Information Sciences) 2025年

作者： Yang LI yuzhe gu Sheng QIAN Yuncong PANG Aoxi YU Shuwen ZHENG Wenjie XIA Yuan LIAO Baoguang LIU Shujuan LIU Qiang ZHAO College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology) Nanjing University of Posts & Telecommunications (NJUPT) State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials (IAM) Nanjing University of Posts & Telecommunications (NJUPT)

Flexible electrodes have significant potential in fields such as healthcare and neuroscience, as they enable comprehensive recording and analysis of human electrical signals, providing deeper insights into physiological conditions and the state of internal organs and tissues [1, 2]. However, commercial Ag/AgCl wet electrodes face issues such as dehydration,poor comfort, and insufficient mechanical strength, while other types of electrodes, like dry and semi-dry electrodes,also have their own limitations, including the higher contact impedance. In contrast, ionically conductive electrodes offer potential advantages such as transparency, stability, and low impedance, making them a promising alternative to existing electrically conductive electrodes [3]. Acrylic acid (AA)and 2-acrylamido-2-methylpropanesulfonic acid (AMPS) are commonly used in the synthesis of ionic gels, as they ionize in water to produce a large number of ions, helping to maintain moisture balance and reduce impedance caused by dehydration [4]. However, the presence of freely moving ions in the gel network can interfere with conductivity, highlighting the need to introduce new conductive networks to enhance performance [5].

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Biomimetic fibers assist the unperceivable sensing

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Science China Materials 2024年第10期67卷 3421-3423页

作者： yuzhe gu Yuncong Pang Wei Wang Yang Li College of Electronic and Optical Engineering&College of Flexible Electronics(Future Technology) Nanjing University of Posts&Telecommunications(NJUPT)Nanjing 210023China State Key Laboratory of Organic Electronics and Information Displays&Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials(IAM)Nanjing University of Posts&Telecommunications(NJUPT)Nanjing 210023China

The overarching objective of bioelectronics is to replicate the sophisticated capabilities of humans,enabling adept manipulation,comprehensive environmental exploration,and discernment of diverse physical or chemical ... 详细信息

关键词： cap fibers comprehensive

An injectable,self-healable,and reusable PEDOT:PSS/PVA hydrogel patch electrode for epidermal electronics

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Nano Research 2024年第6期17卷 5479-5490页

作者： Yang Li yuzhe gu Sheng Qian Shuwen Zheng Yuncong Pang Lele Wang Baoguang Liu Shujuan Liu Qiang Zhao College of Electronic and Optical Engineering and College of Flexible Electronics(Future Technology) Nanjing University of Posts and Telecommunications(NJUPT)Nanjing 210023China State Key Laboratory of Organic Electronics and Information Displays and Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials(IAM)Nanjing University of Posts and Telecommunications(NJUPT)Nanjing 210023China

Injectability empowers conductive hydrogels to transcend traditional limitations,unlocking a realm of possibilities for innovative medical,wearable,and therapeutic applications that can significantly enhance patient care and quality of ***,we report an injectable,self-healable,and reusable hydrogel obtained by mixing the concentrated poly(3,4-ethylenedioxythiophene)doped with polystyrene sulfonate(PEDOT:PSS)suspension(~2 wt.%solid content),polyvinyl alcohol(PVA),and *** the presence of reversible borax/hydroxyl bonds and multiple hydrogen bonds,this PEDOT:PSS/PVA hydrogel exhibits notable shear-thinning behavior and self-healing capabilities,enabling it to be injected as a gel fiber from a ***-prepared injectable hydrogel also demonstrates an ultra-low modulus(~2.5 MPa),reduced on-skin impedance(~45%of commercial electrodes),and high signal-to-noise ratio(SNR)(~15-22 dB)in recording of electrocardiography(ECG),electromyography(EMG),and electroencephalogram(EEG)***,the injectable hydrogels can be remolded and reinjected as the reusable electrodes,maintaining nearly identical electrophysiological recording capabilities and brain-computer interface(BCI)performance compared to commercial wet *** their straightforward fabrication,excellent material properties and electronic performance,ease of cleaning,and remarkable reusability,our injectable PEDOT:PSS/PVA hydrogels hold promise for advancements in BCI based electronics and wearable bioelectronics.

关键词： epidermal hydrogel electrodes reusability injectability self-healing electrophysiological recording brain-computer interface

Self-healable gels in electrochemical energy storage devices

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Nano Research 2024年第4期17卷 3302-3323页

作者： Yang Li PeiPei Ding yuzhe gu Sheng Qian Yuncong Pang Lele Wang Jiayang Feng Baoguang Liu Qi Wan Ping Li Zhiwei Liu College of Electronic and Optical Engineering&College of Flexible Electronics(Future Technology) Nanjing University of Posts&Telecommunications(NJUPT)Nanjing 210023China State Key Laboratory of Organic Electronics and Information Displays&Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials(IAM)Nanjing University of Posts and Telecommunications(NJUPT)Nanjing 210023China College of Materials Science&Engineering Beijing University of TechnologyBeijing 100124China Beijing Advanced Innovation Center for Materials Genome Engineering Institute for Advanced Materials and TechnologyUniversity of Science and Technology BeijingBeijing 100083China Pillar of Engineering Product Development Singapore University of Technology and DesignSingapore 487372Singapore School of Energy and Environmental Engineering University of Science and Technology BeijingBeijing 100083China

In the green energy and carbon-neutral technology,electrochemical energy storage devices have received continuously increasing attention ***,due to the unavoidable volume expansion/shrinkage of key materials or irreversible mechanical damages during application,the stability of energy storage and delivery as well as the lifetime of these devices are severely shortened,leading to serious performance degradation or even safety ***,the utilization of self-healable gels into electrochemical energy storage devices,such as electrodes,binders,and electrolytes,is proven as an effective method to realize long-term stable operation of these devices via the self-repairing of mechanical and electrochemical ***,this review first summarizes the feature and fabrication of different gels,paying special attention to hydrogels,organohydrogels,and ***,basic concepts and figure of merit of self-healable gels are analyzed with a detailed discussion at the healing mechanisms,from reversible dynamic bonds to physical molecular diffusion,and to external healing *** we introduce all the important parts of electrochemical energy storage devices,which could be replaced by healable gels to enhance the durability,including electrodes,binders,and ***,the critical challenges and future perspectives regarding the future development of healable gels based high-performance electrochemical energy storage devices or electronics are provided.

关键词： self-healable gels healing mechanisms electrodes binders gel electrolytes

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云南花卉航空运输物流流程优化与仿真

物流技术 2014年第10期33卷 168-170页

作者：谷雨哲中国民航大学天津300300

针对现行花卉航空运输物流流程中存在的主要问题,提出相应的流程优化策略;并应用Petri网建模方法,建立流程优化前后的时间Petri网仿真模型;最后结合流程运行的实际情况,设置模型参数,使用ExSpect软件对模型进行仿真,采集并分析仿真结果。

关键词：花卉物流航空运输流程优化时间Petri网 ExSpect软件仿真优化云南

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激光诱导石墨烯实现可拉伸的多模态传感

Science Bulletin 2024年第11期69卷 1601-1603页

作者：李杨顾雨哲庞芸聪赵强 College of Electronic and Optical Engineering&College of Flexible Electronics(Future Technology) Nanjing University of Posts&Telecommunications(NJUPT)Nanjing 210023China State Key Laboratory of Organic Electronics and Information Displays&Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials(IAM)Nanjing University of Posts&Telecommunications(NJUPT)Nanjing 210023China

Multimodal sensing, achieved by integrating multiple sensors on a flexible substrate, whether worn or implanted, facilitates versatile and highly sensitive monitoring of diverse signals(physical,chemical, electrophysiological), aiding in device miniaturization and finding extensive applications in human–machine interaction,health monitoring, brain–computer interfaces, disease management, and drug delivery [1].

关键词： computer 激光诱导多模态

Surface Modification of Polyamide66 Fabric by Grafting with Vinyltrimethoxysilane

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Chemical Research in Chinese Universities 2017年第3期33卷 492-498页

作者： WANG Aijuan DUAN yuzhe gu Xiaoyu ZHANG Sheng ZANG Wenhui ing 100029 R R. China

Melt-dripping is always a big chanllenge in flame retardant finishing of synthetic fabrics. In this work, vinyltrimethoxysilane（VTMS） was introduced onto the polyamide66（PA66） surface by microwave grafting to improve the fire performance. The chemical structure of the grafted fabric was characterized by attenuated total reflection Fourier transformation infrared spectroscopy（ATR-FTIR） and X-ray photoelectron spectroscopy（XPS）. The thermal stability analysis and flammability evaluation of the grafted samples by thermogravimetric analysis（TGA）, cone calorimetry, vertical burning tests and limiting oxygen index（LOI） demonstrate that the presence of grafting chains significantly reduces the dripping tendency and decreases the heat release rate of polyamide66（PA66） fabric. The surface morphology observed by scanning electron microscope（SEM） indicates that VTMS can not only promote the formation of protective layers, which prevent the substrate from further thermal degradation, but also promote the char formation ofPA66 substrate during combustion.

关键词： Polyamide66 fabric Microwave grafting Char formation Hydrophobicity Dripping tendency

Engineered nitrogen doping on VO_(2)(B)enables fast and reversible zinc-ion storage capability for aqueous zinc-ion batteries

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Journal of Energy Chemistry 2023年第10期85卷 30-38,I0003页

作者： Xin gu Juntao Wang Xiaobin Zhao Xin Jin yuzhe Jiang Pengcheng Dai Nana Wang Zhongchao Bai Mengdi Zhang Mingbo Wu College of New Energy State Key Laboratory of Heavy Oil ProcessingChina University of Petroleum(East China)Qingdao 266580ShandongChina Institute for Superconducting and Electronic Materials Australian Institute for Innovative MaterialsUniversity of Wollongong Innovation CampusNorth WollongongNew South Wales 2500Australia Institute of Energy Materials Science(IEMS) University of Shanghai for Science and TechnologyShanghai 200093China

Vanadium-based compounds with high theoretical capacities and relatively stable crystal structures are potential cathodes for aqueous zinc-ion batteries(AZIBs).Nevertheless,their low electronic conductivity and sluggish zinc-ion diffusion kinetics in the crystal lattice are greatly obstructing their practical ***,a general and simple nitrogen doping strategy is proposed to construct nitrogen-doped VO_(2)(B)nanobelts(denoted as VO_(2)-N)by the ammonia heat *** with pure VO_(2)(B),VO_(2)-N shows an expanded lattice,reduced grain size,and disordered structure,which facilitates ion transport,provides additional ion storage sites,and improves structural durability,thus presenting much-enhanced zinc-ion storage *** functional theory calculations demonstrate that nitrogen doping in VO_(2)(B)improves its electronic properties and reduces the zinc-ion diffusion *** optimal VO_(2)-N400 electrode exhibits a high specific capacity of 373.7 mA h g^(-1)after 100 cycles at 0.1 A g^(-1)and stable cycling performance after 2000 cycles at 5 A g^(-1).The zinc-ion storage mechanism of VO_(2)-N is identified as a typical intercalation/de-intercalation process.

关键词： Vanadium dioxide Nitrogen doping Cathode materials Aqueous zinc-ion batteries

城市不透水表面的梯度格局、演变驱动与景观优化

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水土保持学报 2023年第1期37卷 168-175页

作者：吴宇哲谷晨焯浙江大学公共管理学院杭州310058

不透水表面扩张对城市生态系统的过程、功能、服务有显著影响,研究其演变规律对城市发展有重要意义。以南京市为研究区,基于2000—2020年土地利用数据,采用空间梯度分析与景观格局分析相结合的方法,沿城市中心向外设置等距辐射状梯度带... 详细信息

不透水表面扩张对城市生态系统的过程、功能、服务有显著影响,研究其演变规律对城市发展有重要意义。以南京市为研究区,基于2000—2020年土地利用数据,采用空间梯度分析与景观格局分析相结合的方法,沿城市中心向外设置等距辐射状梯度带,分析不透水表面时空分布和梯度变化特征,同时建立沿江、跨江样带,研究不透水表面扩张规模与方向演变背后的驱动机制,最终为南京市景观格局优化提供政策依据。结果表明:(1)不透水表面景观优势度沿梯度带逐渐降低,城市中心不透水表面高度集聚,外围城区是扩张的重点区域,耕地、林地、水域等景观面积缩减严重,景观格局变化剧烈,城郊区域保持低速稳定扩张。(2)地形地貌与河流水系显著影响不透水表面扩张方向,政策规划也起到一定的作用,经济发展、人口增长、产业结构优化影响不透水表面扩张规模。(3)南京市应从改善城市生活空间、转变城市发展模式、控制城市扩张规模3个方面对城市景观格局进行优化。

关键词：不透水表面扩张南京市梯度分析驱动机制景观格局优化

S/N对硫自养反硝化耦合厌氧氨氧化反应氮素转化的影响

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环境工程学报 2024年第7期18卷 1783-1791页

作者：李寓哲顾晓丹黄勇苏州科技大学环境科学与工程学院苏州215009 苏州科技大学环境生物研究所苏州215009

S^(0)基硫自养反硝化耦合厌氧氨氧化(sulfur autotrophic denitrification anammox,S^(0)ADN-Anammox)工艺中普遍存在S/N较高问题,从而造成S^(0)的浪费。为此,通过批次实验,在不考虑S^(0)流失条件下,优化了以S^(0)为电子供体的系统中适... 详细信息

S^(0)基硫自养反硝化耦合厌氧氨氧化(sulfur autotrophic denitrification anammox,S^(0)ADN-Anammox)工艺中普遍存在S/N较高问题,从而造成S^(0)的浪费。为此,通过批次实验,在不考虑S^(0)流失条件下,优化了以S^(0)为电子供体的系统中适宜的S/N,并通过底物控制策略,模拟S^(0)ADN前半程完全反应,仅存在后半程与Anammox的系统环境,讨论在不同S^(0)存在的情况下S^(0)ADN后半程和Anammox对NO_(2)^(-)-N的竞争能力。结果表明,在不同的S^(0)投加量条件下,S^(0)ADN-Anammox系统会表现出不同的脱氮性能,当S/N=1,S^(0)ADN-Anammox系统总氮去除率较高,达89%,其中NH_(4)^(+)-N和NO_(3)^(-)-N的去除率分别为77%和100%;当只存在NO_(2)^(-)-N和NH_(4)^(+)-N时,S^(0)质量浓度越高,Anammox可获得的NO_(2)^(-)-N越少,S^(0)ADN后半程对NO_(2)^(-)-N的竞争能力要强于Anammox,过高的S/N会影响NH_(4)^(+)-N去除效果。

关键词：硫自养反硝化耦合厌氧氨氧化 S/N的影响底物竞争关系