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Recent Advances in Fibrous Materials for Hydroelectricity Generation

Nano-Micro Letters 2025年第2期17卷 109-133页

作者： Can Ge Duo Xu Xiao Feng Xing Yang Zheheng Song Yuhang Song Jingyu Chen Yingcun Liu Chong Gao Yong Du Zhe Sun Weilin Xu Jian Fang College of textile and Clothing Engineering Soochow UniversitySuzhou 215123People’s Republic of China National Engineering Laboratory for Modern silk Soochow UniversitySuzhou 215123People’s Republic of China State Key Laboratory of New textile Materials and Advanced Processing Technologies Wuhan Textile UniversityWuhan 430200People’s Republic of China institute of Functional Nano&Soft Materials(FUNSOM) Soochow UniversitySuzhou 215123People’s Republic of China Department of Electrical and Computer Engineering University of MassachusettsAmherstMA 01003USA Department of Materials Imperial College LondonSouth Kensington CampusLondon SW72AZUK College of textile Science and Engineering Zhejiang Sci-Tech UniversityHangzhou 310018People’s Republic of China School of Materials Science and Engineering Shanghai Institute of Technology100 Haiquan RoadShanghai 201418People’s Republic of China

Depleting fossil energy sources and conventional polluting power generation pose a threat to sustainable *** generation from ubiquitous and spontaneous phase transitions between liquid and gaseous water has been considered a promising strategy for mitigating the energy *** materials with unique flexibility,processability,multifunctionality,and practicability have been widely applied for fibrous materials-based hydroelectricity generation(FHG).In this review,the power generation mechanisms,design principles,and electricity enhancement factors of FHG are first ***,the fabrication strategies and characteristics of varied constructions including 1D fiber,1D yarn,2D fabric,2D membrane,3D fibrous framework,and 3D fibrous gel are ***,the advanced functions of FHG during water harvesting,proton dissociation,ion separation,and charge accumulation processes are analyzed in ***,the potential applications including power supply,energy storage,electrical sensor,and information expression are also ***,some existing challenges are considered and prospects for future development are sincerely proposed.

关键词： Hydroelectricity Fibrous material Streaming potential Ion diffusion

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Facile Fabrication of Cotton‑Based Thermoelectric Yarns for the Construction of textile Generator with High Performance in Human Heat Harvesting

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Advanced Fiber Materials 2023年第5期5卷 1725-1736页

作者： Wangkai Jiang Tingting Li Bilqees Hussain Suibo Zhou Zheshan Wang Yu Peng Jianchen Hu Ke‑Qin Zhang National Engineering Laboratory for Modern silk College of Textile and Clothing EngineeringSoochow UniversitySuzhou 215123China College of Advanced Material Engineering Jiaxing Nuhu UniversityJiaxing 314001China nantong textile&silk industrial technology research institute Nantong 226300JiangsuChina

Thermoelectric(TE)textiles which can harvest thermal energy from the human body,are highly desirable and vital to the charging of wearable electronics owing to their stable and long-term power *** typical carbon nanotube(CNT)yarns or bismuth telluride(Bi2Te3)based inorganic TE materials used hitherto limit the development of TE textiles,because of their high cost and *** this work,scalable and high-TE performance carbon nanotube composite yarns(CNTYs)are developed using p-and n-type tuneable multi-wall CNTs and single-wall CNTs as TE materials and waterborne polyurethane(WPU)as the *** mechanical properties of the CNTYs are tuned and improved considerably by adding a small amount of ***,TE yarns with p-and n-type segmented structures are prepared by treating CNTYs with poly(3,4-ethylene dioxythiophene):polystyrene sulfonate solution and n-type dopant polyetherimide,*** on the prepared p-and n-type segmented TE yarns,a TE textile with 75 p-n pairs that achieve outstanding TE output is *** TE textile can generate a high power density of 95.74μW m^(−2)with a voltage density of 3.76 V m^(−2)at a temperature difference of 32 *** provides an output voltage of~37 mV outdoors(~12℃)when worn on the arm and demonstrates potential application to electronic devices after *** fabrication method used in this study is not only a low-cost,scalable for preparing high-performance TE yarns but also realizes the body heat harvesting and temperature sensing of yarn-based TE textiles.

关键词： Thermoelectric textiles Wearable electronics Carbon nanotubes Heat energy harvesting

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PTFE Electrospun Stent Graft—Preparation,Properties and Its industrialization Prospect

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Chemical research in Chinese Universities 2021年第3期37卷 589-597页

作者： LUO Yu GONG Xiaoyan Shawn XU Zhiwei MENG Kai ZHANG Ke-Qin ZHAO Huijing National Engineering Laboratory for Modern silk College of Textile and Clothing EngineeringSoochow UniversitySuzhou215123China Suzhou Innomed Medical Device Co. Ltd.Suzhou215123China nantong textile&silk industrial technology research institute Nantong226001China

Stent graft(SG),isolating the diseased vessels from the normal blood circulation and preventing the rupture of the aneurysm wall in minimally invasive surgery,is normally composed of a metallic stent and a cover with a textile *** this study,the electrospinning method was used to prepare a new type of cover,and the preparing conditions and the performance of the SG were *** polytetrafluoroethylene(PTFE)and polyethylene oxide(PEO)were blended at the ratios of 99:1,98:2,97:3 and electrospun to form precursor *** they were dried in a vacuum and sintered at different temperatures under different time periods to obtain PTFE membrane,which was compounded with a *** morphology,mechanical properties,water permeability and biological properties were *** results showed that when the membrane was sintered at 380℃ for 10 min,it had the best tensile *** integral water permeability of the PTFE electrospun SG was close to *** hemolysis rate of the SG was 2.84%,and human umbillical vein endothelial cells(HUVECs)can adhere and proliferate well on the surface of the PTFE *** PTFE electrospun SG had great potential for clinical application and industrialization.

关键词： Polytetrafluoroethylene(PTFE) Electrospinning Stent graft Water permeability Biocompatibility

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silk Fibroin/Poly-L-lactide Lactone Bi-layered Membranes for Guided Bone Regeneration

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Journal of Donghua University(English Edition) 2019年第6期36卷 564-572页

作者： WANG Linbo REN Xiangxiang JIANG Ziyi MENG Kai ZHAO Huijing National Engineering Laboratory for Modern silk College of Textile and Clothing EngineeringSoochow UniversitySuzhou 215123China nantong textile&silk industrial technology research institute Nantong 226001China

After removal of the caries or diseased teeth,the alveolar ridge will undergo absorption and *** the amount of alveolar bone is insufficient,it will cause an inability to perform effective dental implant *** order to control the absorption and promote the repair and regeneration of alveolar ridge,a method of implanting guided bone regeneration(GBR)membranes at the extraction site is often *** this study,silk fibroin(SF)and poly-L-lactide lactone(PLCL)were used to prepare bilayered guided bone regeneration membranes,and its morphology,hydrophilicity,surface roughness and mechanical properties were *** the same time,the drug release behaviors and cell compatibility of the bilayered membranes were *** results showed that SF/PLCL bi-layered membranes had good mechanical properties and surface hydrophilicity,and the drug-loaded bi-layered membranes had good cell *** bilayered membranes fabricated in this study are of potential for applying in the oral health field to promote bone regeneration.

关键词： silk fibroin(SF) poly-L-lactide lactone(PLCL) guided bone regeneration(GBR) oral health

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Spiral Steel Wire Based Fiber-Shaped Stretchable and Tailorable Triboelectric Nanogenerator for Wearable Power Source and Active Gesture Sensor

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Nano-Micro Letters 2019年第3期11卷 36-45页

作者： Lingjie Xie Xiaoping Chen Zhen Wen Yanqin Yang Jihong Shi Chen Chen Mingfa Peng Yina Liu Xuhui Sun institute of Functional Nano and Soft Materials(FUNSOM) Jiangsu Key Laboratory for Carbon.Based Functional Materials and DevicesSoochow UniversitySuzhou215123People’s Republic of China nantong textile and silk industrial technology research institute Jiangsu Industrial Technology ResearchInstitute of Textile and SilkNantong 226314People’s Republic of China Department of Mathematical Sciences Xi’an Jiaotong-Liverpool UniversitySuzhou215123People’s Republic of China

Continuous deforming always leads to the performance degradation of a flexible triboelectric nanogenerator due to the Young’s modulus mismatch of different functional *** this work,we fabricated a fiber-shaped stretchable and tailorable triboelectric nanogenerator(FST-TENG)based on the geometric construction of a steel wire as electrode and ingenious selection of silicone rubber as triboelectric *** to the great robustness and continuous conductivity,the FST-TENGs demonstrate high stability,stretchability,and even *** a single device with ~6 cm in length and ~3 mm in diameter,the open-circuit voltage of ~59.7 V,transferred charge of ~23.7 nC,short-circuit current of ~2.67 μA and average power of ~2.13 μW can be obtained at 2.5 *** knitting several FST-TENGs to be a fabric or a bracelet,it enables to harvest human motion energy and then to drive a wearable electronic ***,it can also be woven on dorsum of glove to monitor the movements of gesture,which can recognize every single finger,different bending angle,and numbers of bent finger by analyzing voltage signals.

关键词： Triboelectric nanogenerator Stretchable Human motion energy Wearable power source Active gesture sensor

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Structure Changes of silk Fibroin(SF) by Blending with Poly(ε-caprolactone)(PCL):Characterization of SF and PCL Blended Electrospinning Films

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Journal of Donghua University(English Edition) 2014年第3期31卷 368-374页

作者：赵荟菁李鹏举尤人传刘桂阳李明忠 National Engineering Laboratory for Modern silk College of Textile and Clothing EngineeringSoochow University nantong textile Vocational technology College

The mechanical properties and water solubility of electrospinning SF films limit their use as biomaterials. In order to develop a tissue engineering biomaterial with both satisfying biological properties and sufficient biomechanical properties,blended films composed of silk fibroin( SF) and poly( ε-caprolactone)( PCL) were fabricated by electrospinning in this study. Scanning electron microscope( SEM), X-ray diffraction( XRD),thermal analysis,Fourier transform-infrared( FT-IR),Raman spectra,mechanical testing,and water solubility were used to characterize the morphological, structural and mechanical properties of the blended electrospinning films. Results showed that the diameter of the blended fiber was distributed between 600 and1000 nm,and the fiber diameter increased as the PCL content increased. There is no obvious phase separation due to the similarity and intermiscibility,as well as the interactions( mainly hydrogen bonds), between the two polymers. Meanwhile, the secondary structures of SF changed from random coils and silk I to silk II because of the interactions between SF and PCL. For this reason,the tensile strength and elongation at break of the electrospinning films improved significantly,and the water solubility decreased. In conclusion,the blended electrospinning films fabricated in this study showed satisfying mechanical properties and water insolubilities,and they may be promising biomaterials for applications in tissue engineering for blood vessels,nerve conduits,tendons,ligaments and other tissues.

关键词： silk fibroin(SF) poly(ε-caprolactone)(PCL) blending electrospinning secondary structure

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Design and performance of an air inflatable suit in enhancing personal thermal management

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Science China(Technological Sciences) 2023年第9期66卷 2637-2650页

作者： HE JiaZhen LU YeHu SU WenZhen WANG FangMing SONG WenFang WANG LaiLi WANG Min College of textile and Clothing Engineering Soochow UniversitySuzhou 215021China Key Laboratory of Clothing Design and technology Ministry of EducationDonghua UniversityShanghai 200051China nantong textile and silk industrial technology research institute Nantong 226300China Suzhou Xingfengqiang textile technology Co. Ltd.Suzhou 215227China Garment Digital Engineering Center School of Art and DesignGuangdong University of TechnologyGuangzhou 510000China School of Fashion Design&Engineering Zhejiang Sci-Tech UniversityHangzhou 310018China

Maintaining human thermal comfort in cold indoor environments is crucial but usually involves excessive energy consumption and massive greenhouse gas emissions. Thermoregulating the human body by using advanced clothing is emerging as a promising solution to effectively and energy-efficiently achieve personal thermal management. An air inflatable suit(AirST)using a series of air chambers as the thermal insert was developed for the purpose of adjusting clothing thermal insulation and hence improving personal thermal comfort. The thermal insulation regulating performance of AirST was investigated through thermal manikin tests and wear trials. Compared with the AirST without air inflation, AirST after inflation with air had a desired effect, which could not only increase local clothing thermal insulation by a range from 4.5% to 24.8% but also alleviate cold strain and provide significantly higher local skin temperatures, mean skin temperature and mean body temperature. After inflation, AirST successfully improved the whole-, upper-and lower-body thermal sensations in a cool environment. The acceptable heating setpoint temperature by the air conditioner could be decreased while using AirST with inflation, which saved approximately 30% of building energy consumption. As the AirST without air inflation can also be worn as regular windproof clothing, this versatility saved approximately 12 kg CO_(2)e emissions in the production process.

关键词： air inflatable suit thermal comfort thermal insulation thermal management energy saving perceptual response

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Flexible self-charging power units for portable electronics based on folded carbon paper

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Nano research 2018年第8期11卷 4313-4322页

作者： Changjie Zhou Yanqin Yang Na Sun Zhen Wen Ping Cheng Xinkai Xie Huiyun Shao Qingqing Shen Xiaoping Chen Yina Liu Zhong Lin Wang Xuhui Sun institute of Functional Nano & Soft Materials (FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devicesand Joint International Research Laboratory of Carbon-Based Functional Materials and Devices Soochow University Suzhou215123 China nantong textile & silk industrial technology research institute Jiangsu Industrial Technology Research Institute af Textile & SilkNantong 226314 China CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-nano Energy and Sensor Beijing Institute of Nanoenergyand Nanosystems Chinese Academy of Sciences Beijing 100083 China School of Nanoscience and technology University of Chinese Academy of Sciences Beijing 100049 China School of Materials Science and Engineering Georgia Institute of Technology Atlanta GA 30332-0245 USA Department of Mathematical Sciences Xi'an Jiaotong-Liverpool University Suzhou 215123 China Changjie Zhou Yanqin Yang and Na Sun contributed equally to this work.

The urgent demand for portable electronics has promoted the development of high-efficienc）9 sustainable, and even stretchable self-charging power sources. In this work, we propose a flexible self-charging power unit based on folded carbon （FC） paper for harvesting mechanical energy from human motion and power portable electronics. The present unit mainly consists of a triboelectric nanogenerator （FC-TENG） and a supercapacitor （FC-SC）, both based on folded carbon paper, as energy harvester and storage device, respectively. This favorable geometric design provides the high Young＇s modulus carbon paper with excellent stretchability and enables the power unit to work even under severe deformations, such as bending, twisting, and rolling. In addition, the tensile strain can be maximized by tuning the folding angle of the triangle-folded carbon paper. Moreover, the waterproof property of the packaged device make it washable, protect it from human sweat, and enable it to work in harsh environments. Finally, the as-prepared self-charging power unit was tested by placing it on the human body to harvest mechanical energy from hand tapping, foot treading, and arm touching, successfully powering an electronic watch. This work demonstrates the impressive potential of stretchable self-charging power units, which will further promote the development of high Young＇s modulus materials for wearable/portable electronics.

关键词： self-charging power unit stretchable folded carbon paper triboelectricnanogenerator supercapacitor

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Hydrolysation and Characterization of Acrylic Fibers

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Journal of Donghua University(English Edition) 2016年第3期33卷 386-391页

作者：艾丽李慧朱雪兰潘志娟朱新生 nantong textile research institute Soochow University Nantong 226004 China School of textile and Clothing Engineering Soochow University Suzhou 215021 China National Engineering Laboratory for the Modern silk (Suzhou) Suzhou 215123 China

Effect of the cationic surfactant on the hydrolysis of acrylic staple fiber dispersed in alkaline aqueous solution was *** cationic dyestuff uptake of the resultant hydrolysates was investigated as *** results showed that the surfactant accelerated the hydrolysis of cyano-and *** carboxyl content of the hydrolyzed fibers reached the maximum 6.85 mmol/g(i.e.,total molar conversion of the two groups 38.7%) while keeping fiber *** scanning electron microscopy(SEM) images implied that hydrolysis happened both on fiber surface and in the inner part of the fiber in the presence of *** cationic dye removal due to adsorption onto the hydrolyzed fibers increased with increasing temperature,with the removal 97.4% at 60℃.The adsorption of the fibers followed the Freundlich's adsorption isotherm and the Lagergren's pseudo-second order dynamic equation with the activation energy 5.4 kJ/***,the steric hindrance of access to the inside carboxyl groups of the hydrolyzed fibers caused a low dye sorption capacity,5-6 mg/g.

关键词： acrylic fiber cationic surfactant hydrolysis dye uptake electric conductivity morphology

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Fire/Acid/Alkali‑Resistant Aramid/Carbon Nanofiber Triboelectric Nanogenerator for Self‑Powered Biomotion and Risk Perception in Fire and Chemical Environments

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Advanced Fiber Materials 2023年第4期5卷 1478-1492页

作者： Lingling Feng Sijun Xu Tong Sun Chengjiao Zhang Jundan Feng Lirong Yao Jianlong Ge School of textile and Clothing Nantong UniversityNantong 226019People’s Republic of China Department of Biobased Materials Science Kyoto Institute of TechnologyKyoto 606‑8585Japan

Casualties are frequent in high-risk environments,particularly in high-risk chemical and high-temperature fire environments,due to improper protection or *** wearable sensors can offer real-time biomechanical monitoring in fire and chemical environments,they cause discomfort,contain toxic heavy metals,and lack resistance to fire and acid/***,a facile approach to fabricating metal-free fire/acid/alkali-resistant poly(m-phenylene isophthalamide)fiber and carbon nanofiber composite triboelectric nanogenerator(PMIA/CNF-TENG)was *** PMIA/CNF-TENG shows the advantages of textile construction including flexibility,waterproofing,and moisture *** also exhibits unique functions,such as ultrahigh fire/temperature resistance,strong acid and alkali protection,the ability to monitor human signals in real time with self-power,handwritten input for danger signals,and sudden risk *** PMIA/CNF-TENG pos-sessed an open-circuit voltage(V_(OC))retention rate of 96.8%even at 250℃,thereby showing considerably higher thermal stability than conventional flame-retardant *** moved from room temperature to a simulated fire environment,the biomotion-generated VOC increased by 136.7%for bending the elbow and by over 900%for hand input,indicating good fire-sensing *** addition,output signal strength by solid-liquid contact depended on the solution type and cor-responded to the laws—NaOH>HNO_(3)>H_(2)SO_(4)>H_(2)O,indicating potential applications in chemical splash detection and active acid-alkali liquid ***,the PMIA/CNF-TENG could be built into wireless intelligent sensing systems to achieve remote biomotion and risk perception.

关键词： Aramid nanofibers Carbon nanofibers Triboelectric nanogenerator High-risk environments

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