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wet spinning of fiber-shaped flexible Zn-ion batteries toward wearable energy storage

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Journal of Energy Chemistry 2022年第8期31卷 192-200,I0006页

作者： Tingting Gao Guangyuan Yan Xin Yang Qing Yan Yankuan Tian Jianwei Song Faxue Li Xueli Wang Jianyong Yu Yiju Li Shaojun Guo Key Laboratory of Textile Science and Technology Ministry of EducationCollege of TextilesDonghua UniversityShanghai 201620China Innovation Center for Textile Science and Technology Donghua UniversityShanghai 201620China School of Materials Science and Engineering Peking UniversityBeijing 100871China State Key Laboratory for Strength and Vibration of Mechanical Structures School of Aerospace EngineeringXi’an Jiaotong UniversityXi’an 710049ShaanxiChina School of Biological and Chemical Engineering NingboTech UniversityNingbo 315100ZhejiangChina

High-performance flexible one-dimensional(1D)electrochemical energy storage devices are crucial for the applications of wearable *** much progress on various 1D energy storage devices has been made,challenges involving fabrication cost,scalability,and efficiency ***,a highperformance flexible all-fiber zinc-ion battery(ZIB)is fabricated using a low-cost,scalable,and efficient continuous wet-spinning *** composite inks containing cellulose nanofibers/carbon nanotubes(CNFs/CNTs)binary composite network and either manganese dioxide nanowires(MnO_(2) NWs)or commercial Zn powders are utilized to spinning fiber cathodes and anodes,***_(2) NWs and Zn powders are uniformly dispersed in the interpenetrated CNFs/CNTs fibrous network,leading to homogenous composite inks with an ideal shear-thinning *** obtained fiber electrodes demonstrate favorable uniformity and *** from the well-designed electrodes,the assembled flexible fiber-shaped ZIB delivers a high specific capacity of 281.5 m Ah g^(-1) at 0.25 A g^(-1) and displays excellent cycling stability over 400 ***,the wet-spun fiber-shaped ZIBs achieve ultrahigh gravimetric and volumetric energy densities of 47.3 Wh kg^(-1) and 131.3 m Wh cm^(-3),respectively,based on both cathode and anode and maintain favorable stability even after 4000 bending *** work offers a new concept design of 1D flexible ZIBs that can be potentially incorporated into commercial textiles for wearable and portable electronics.

关键词： Manufacturing wet spinning Zn ion battery Nanocellulose Fiber

Fabrication of High Toughness Silk Fibroin/Tungsten Disulfide Nanoparticles Hybrid Fiber and Self-Heating Textile by wet spinning|

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Journal of Renewable Materials 2022年第12期10卷 3373-3389页

作者： Jianjun Guo Lingling Jia Sandra Senyo Fometu Qiang Ma Jinjin Wang Hang Li Lei Jiang Guohua Wu College of Biotechnology Jiangsu University of Science and TechnologyZhenjiang 212100China College of Agriculture Anshun UniversityAnshun561000China College of Food and Pharmaceutical Sciences Ningbo UniversityNingbo315800China Biofuels Institute School of Envionment and Safety EngineeringJiangsu UniversityZhenjiang212013China Colle of Environmental and Chemical Engineering Jiangsu University of Science and TechnologyZhenjiang212100China

Traditionally,silkworm silk has been used to make high-quality ***,various wastes from silk-worm silk textiles that are no longer used are *** is also causing considerable waste and *** issue is causing widespread concern in countries that use more *** silk fibroin(RSF)fibers have been shown to be fragile and tender,which prohibits RSF from being widely used as a structural ***,enriching the function of silk and enhancing the RSF mechanial properties are important directions to expand the comprehensive utilization of silk *** the present research,wet spinning was used to create a series of RSF/tungsten disulfide(WS_(2))nanoparticles(NPs)hybrid fiber having distinct WS_(2) nanoparticles *** was discovered that the temperature of hybrid fibers containing 0.8 wt%RSF/WS_(2) nanoparticles might climb from 20.4℃ to 85.6℃in 1 min and 108.3℃ in 10 min after being exposed to simulated sunlight for a period of one minute and ten *** also had certain antibacterial activity and thermal *** created by hand mixing had outst anding photothermal characteristics under natural ***-more,adding WS_(2) nanoparticles might increase the tensile properties of hybrid fibers,which could be caused by the reality that the blending of WS_(2) nanoparticles inhibited the self-assembly of sheets in RSF reaction mixture in a dosage dependent way,as evidenced by the fact that RSF/WSz nanoparticles hybrid fibers had lesser β-sheets material,crystalline nature,and arystalline *** above performance makes the RSF/WS_(2) nanoparticles hybrid fbers promising candidates for application in photothermal fabrics as well as military dothing.

关键词： Smart textile wet spinning high toughness photother mal conversion regenerated silk fibroin

Gamma(ɣ)‑MnO_(2)/rGO Fibered Cathode Fabrication from wet spinning and Dip Coating Techniques for Cable‑Shaped Zn‑Ion Batteries

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Advanced Fiber Materials 2022年第3期4卷 457-474页

作者： Nakarin Subjalearndee Nanfei He Hui Cheng Panpanat Tesatchabut Priew Eiamlamai Pimpa Limthongkul Varol Intasanta Wei Gao Xiangwu Zhang Fiber and Polymer Science Program Wilson College of TextilesNorth Carolina State University1020 Main Campus DriveRaleighNC 27606USA National Nanotechnology Center National Science and Technology Development Agency111 Thailand Science ParkPhahonyothin RoadKhlong NuengKhlong LuangPathum Thani 12120Thailand National Energy Technology Center National Science and Technology Development Agency114 Thailand Science ParkPhahonyothin RoadKhlong NuengKhlong LuangPathum Thani 12120Thailand

Cable/fber-shaped Zn-ion batteries are designed to power wearable electronics that require high fexibility to operate on human ***,one of technical challenges of these devices is the complexity and high cost for manufacturing fbered *** this work,we demonstrated gamma manganese oxide(ɣ-MnO_(2))/reduced graphene oxide(rGO)fbered cathode fabrication using facile and cost-efective fber production and active material coating ***,rGO fbers were fabricated via wet spinning,followed by chemical reduction with hydroiodic acid(HI).The synthesized rGO fber bundle was then dip-coated with a mixture ofɣ-MnO_(2),carbon black or multi-walled carbon nanotubes,and xanthan gum or polyvinylidene fuoride binder to obtainɣ-MnO_(2)/rGO fbered *** studied the efect of binders and conductive materials on physical properties and electrochemical performance of the fbered *** was found that hydrophobic binder had more benefts than hydrophilic binder by providing higher active material loading,better coating layer homogeneity,and more stable electrochemical ***-shaped Zn-ion batteries(CSZIBs)were then assembled by using theɣ-MnO_(2)/rGO fbered cathode,Zn wire anode,and xanthan gum polymeric gel electrolyte with 2 M ZnSO_(4) and 0.2 M MnSO_(4) salts without a *** investigated the battery assembling procedure on a glass slide(prototype ZIB)and in a plastic tube(cable-shaped ZIB),and evaluated their electrochemical *** CSZIB showed promising maximum capacity of~230 mAh/g with moderate cycling stability(80%capacity retention after 200 cycles)and high fexibility by maintaining the potential after consecutive pressing for 200 times under controlled pressing distance,duration,and testing ***,we explored ion intercalation behaviours and proposed a H^(+)/Zn^(2+)co-intercalation mechanism in ZIB withɣ-MnO_(2) active material.

关键词： Zn-ion battery wet spinning Dip coating Reduced graphene oxide Manganese dioxide Fiber

THERMAL DEGRADATION AND FLAME RETARDANCY OF CALCIUM ALGINATE FIBERS

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Chinese Journal of Polymer Science 2009年第6期27卷 807-812页

作者：于建夏延致 Institute of Polymer Science and Technology Department of Chemical EngineeringTsinghua University Advanced Fibers & Modern Textile Cultivation Base for State Key Lab Qingdao University

Calcium alginate fibers were prepared by wet spinning of sodium alginate into a coagulating bath containing calcium *** thermal degradation and flame retardancy of calcium alginate fibers were investigated with thermal gravimetry(TG),X-ray diffraction(XRD),limiting oxygen index(LOI) and cone calorimeter(CONE).The results show that calcium alginate fibers are inherently flame retardant with a LOI value of 34,and the heat release rate(HRR),total heat release(THR),CO and CO_2 concentrations during com...

关键词： Calcium alginate fiber Flame retardancy wet spinning Combustion process Thermal degradation

Synthesis of silicone blocked bio-polyurethane and its application in highly stretchable fiber-shaped strain sensor

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Nano Research 2023年第5期16卷 7982-7990页

作者： Zhanxu Liu Chenchen Li Xiaofeng Zhang Hongxing Xu Yanfen Zhou Mingwei Tian Shaojuan Chen Stephen Jerrams Feng-Lei Zhou Liang Jiang College of Textiles and Clothing Qingdao UniversityQingdao 266071China Centre for Elastomer Research Technological University Dublin(TU Dublin)Dublin D08 NF82Ireland Centre for Medical Image Computing University College LondonLondon WC1V 6LJUK

Flexible strain sensors have become a key component of intelligent wearable ***,the fabrication of strain sensors with wide workable strain ranges and high sensitivity remains a great ***,the rapid development of polymer composites based strain sensors has produced a large amount of ***,the development of strain sensors with wide strain sensing ranges and high sensitivity based on degradable materials is *** this work,a silicone blocked polyurethane(Si-BPU)with high stretchability and degradability was synthesized and composited with carbon nanotubes(CNTs)to fabricate fibrous strain *** synthesized 0.5%Si-BPU exhibited good biodegradability with a weight loss of 16.47%in 42 *** Si-BPU/12CNTs fiber based strain sensor achieved a sensing range of 0%–353.3%strain,gauge factor(GF)of 206.3 at 250%strain and of 4,513.2 at 353.3%strain,reliable stability under 10,000 repeated stretching–releasing ***,the Si-BPU/12CNTs strain sensor showed rapid response time(<163 ms)and was capable of monitoring various human body movements(elbow bending,finger bending,breath,swallow).In consequence,this work provides a new and effective strategy for the development of sustainable wearable electronic devices.

关键词： degradability wet spinning conductivity wearable sensors

Flexible thermochromic fabrics enabling dynamic colored display

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Frontiers of Optoelectronics 2022年第3期15卷 151-157页

作者： Pan Li Zhihui Sun Rui Wang Yuchen Gong Yingting Zhou Yuwei Wang Xiaojuan Liu Xianjun Zhou Ju Ouyang Mingzhi Chen Chong Hou Min Chen Guangming Tao Wuhan National Laboratory for Optoelectronics and Sport and Health Initiative Optical Valley LaboratoryHuazhong University of Science and TechnologyWuhan 430074China School of Computer Science and Technology Huazhong University of Science and TechnologyWuhan 430074China School of Optics and Electronic Information Huazhong University of Science and TechnologyWuhan 430074China State Key Laboratory of Material Processing and Die and Mould Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074China

Color-changeable fbers can provide diverse functions for intelligent wearable devices such as novel information displays and human-machine interfaces when woven into *** work develops a low-cost,efective,and scalable strategy to produce thermochromic fbers by wet *** a combination of diferent thermochromic microcapsules,fexible fbers with abundant and reversible color changes are *** color changes can be clearly observed by the naked *** is also found that the fbers exhibit excellent color-changing stability even after 8000 thermal ***,the thermochromic fbers can be fabricated on a large scale and easily woven or implanted into various fabrics with good mechanical *** by their good mechanical and physical characteristics,applications of thermochromic fbers in dynamic colored display are *** quick response(QR)code display and recognition are successfully realized with thermochromic *** work well confrms the potential applications of thermochromic fbers in smart textiles,wearable devices,fexible displays,and human-machine interfaces.

关键词： Thermochromic fbers Fabric code Information interaction wet spinning

MXene fibers for electronic textiles:Progress and perspectives

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中国化学快报:英文版 2023年第8期34卷 82-89页

作者： Jianmin Li Chaoyang Miao Jing Bian Shayan Seyedin Ke Li College of Electronic and Optical Engineering&College of Flexible Electronics(Future Technology) Nanjing University of Posts and TelecommunicationsNanjing 210023China School of Engineering Newcastle UniversityNewcastle upon Tyne NE17RUUnited Kingdom Centre for Research on Adaptive Nanostructures and Nanodevices(CRANN)&Advanced Materials and BioEngineering Research(AMBER)Centre School of ChemistryTrinity College DublinDublinDublin 2Ireland

The rapid evolution of portable and wearable electronic devices has fueled the development of smart functional textiles that are able to conduct electricity,sense body movements,or store *** main challenge inhibiting the further development of functional textile-based electronics is the lack of robust functional fibers with suitable electrical,electrochemical and sensing ***,an emerging family of two-dimensional(2D)materials,have shown to be promising candidates for producing functional fibers due to their exceptional electrical and electrochemical properties combined with solution *** unique ability of MXenes to readily form liquid crystal phases in various solvents has allowed them to generate additive-free fibers using a wet spinning *** this work,we review the recent exciting developments in the fabrication of neat MXenes fibers and present a critical evaluation of practical challenges in MXenes processing that influence the macroscale material properties and the performance of the subsequent *** also provide our assessment for the future opportunities and challenges in producing MXene fibers to help pave the way for their widespread use in advanced wearable applications.

关键词： MXene Liquid crystal wet spinning Conductive fiber Functional textile Flexible electronics

Polyacrylonitrile/Graphene-Based Coaxial Fiber-Shaped Supercapacitors

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Journal of Donghua University(English Edition) 2021年第1期38卷 1-7页

作者： RUAN Yingpeng DU Zhe SUN Xiaoxia ZHANG Kun YAO Ye WANG Xinhou Key Laboratory of Textile Science&Technology Ministry of EducationDonghua UniversityShanghai 201620China College of Textiles Donghua UniversityShanghai 201620China Institute of Refrigeration&Cryogenics Shanghai Jiao Tong UniversityShanghai 200240China

Supercapacitors have huge potential applications in the field of wearable electronic devices,such as flexible displays,flexible biosensors and implantable multimedia devices,due to their high-power density,fast charge-discharge rates,long cycling life,and relatively simple *** this paper,we demonstrated hierarchically porous and continuous reduced graphene oxide-polyacrylonitrile@polyacrylonitrile(rGO-PAN@PAN)coaxial fibers with certain strength,excellent electrochemical performance through coaxial wet spinning and thermal *** fibers are carbonized at high temperature and have a graded porous structure with a conductivity of 1703 S/*** areal specific capacitance of the supercapacitor assembled by polyvinyl alcohol/sulfuric acid(PVA/H_(2)SO_(4))gel electrolyte is 11.56 mF/cm^(2),and its energy density reaches 0.21 mW·h/cm3,showing good electrochemical ***-based coaxial fibers prepared by wet spinning have a great prospect of application in electronic devices due to their excellent properties.

关键词： coaxial fiber wet spinning polyacrylonitrile(PAN) graphene fiber supercapacitor