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Lithium-Ion Batteries: Excimer Ultraviolet-Irradiated Carbon Nanofibers as Advanced Anodes for Long Cycle Life Lithium-Ion Batteries (Small 38/2016)

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Small 2016年第38期12卷

作者： Zhen Shen Yi Hu Yanli Chen Renzhong Chen Xia He Lei Geng Xiangwu Zhang Keshi Wu Key Laboratory of Advanced Textile Materials and Manufacturing Technology Ministry of Education Zhejiang Sci-Tech University Hangzhou 310018 P. R. China Engineering Research Center for Eco-Dying & Finishing of Textiles Ministry of Education Zhejiang Sci-Tech University Hangzhou 310018 P. R. China Dyeing and Finishing Institute of Zhejiang Sci-Tech University Zhejiang Sci-Tech University Hangzhou 310018 P. R. China Fiber and Polymer Science Program Department of Textile Engineering Chemistry and Science North Carolina State University Raleigh NC 27695–8301 USA

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Centrifugally-spun nanofibers for advanced energy storage

Centrifugally-spun nanofibers for advanced energy storage

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2014国际纳米技术和新能源材料研讨会——暨世界著名科学家来鄂讲学计划武汉论坛

作者： Xiangwu Zhang Fiber and Polymer Science Program Department of Textile EngineeringChemistry and ScienceNorth Carolina State University

Among the various existing energy storage technologies, rechargeable lithium-ion batteries and supercapacitors have been considered as two important solutions to the increasing needs for high-performance electrochemical power sources. N ovel centrifugally-spun nanofibers with functional properties can dramatically alter surface reaction rates and charge transport throughout the batteries and supercapacitors,

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Centrifugal Spinning: An Alternative Approach to Produce Nanofibers at High Speed and Low Cost

Centrifugal Spinning: An Alternative Approach to Produce Nan...

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The 89th textile Institute World Conference(第89届世界纺织大会)

作者： Yao Lu Xiangwu Zhang Fiber and Polymer Science Program Department of Textiles EngineeringChemistry and ScienceNorth Carolina State University

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Nanosized [email protected] , [email protected] @CNF and [email protected] @C composites via chemical vapour deposition method for use in advanced lithium-ion batteries

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Journal of Power Sources 2014年 253卷 366-372页

作者： Shuli Li Chen Chen Kun Fu Ryan White Chengxin Zhao Philip D. Bradford Xiangwu Zhang Fiber and Polymer Science Program Department of Textile Engineering Chemistry and Science North Carolina State University Raleigh NC 27695-8301 USA Department of Materials Science and Engineering North Carolina State University Raleigh NC 27695-8301 USA Department of Physics University of Oslo Oslo 0316 Norway

Three distinct Ge nanoparticle-filled carbon nanofiber (CNF) composites, [email protected] , [email protected] @CNF and [email protected] @C, were fabricated by chemical vapor deposition (CVD) and electrospinning techniques. These different structures were prepared by: 1) dispersing Ge nanoparticles into CNF, 2) adding carbon-coated Ge nanoparticles ( [email protected] ) prepared by CVD into CNF, and 3) depositing CVD carbon onto [email protected] , respectively. Compared with the [email protected] composite, both [email protected] @CNF and [email protected] @C had additional amorphous carbon coating fabricated by the CVD method. The three composites were studied as binder-free electrodes for rechargeable lithium-ion batteries. Raw Ge anode materials suffered from serious volume changes and nanoparticle aggregations during cycling, resulting in pulverization and capacity loss. However, carbon nanofiber and the supplemental CVD carbon layer in these nanofiber composites could help preserve the structural integrity of the alloy anode materials during repeated cycling, and consequently, lead to improved cycling stability. In this work, it was found that among the three composites, [email protected] @C exhibited the highest capacity retention of 89% at the 50th cycle due to the structurally-durable thorn-like Ge morphology and the additional CVD carbon confinement. [email protected] and [email protected] @CNF encountered rapid capacity loss because large Ge clusters were formed and jeopardized the integrity of the electrode structure during cycling.

关键词： Lithium alloy Germanium Chemical vapor deposition Electrospinning Lithium-ion battery

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Effects of needle-punch rate on properties of PET/Kevlar/LPET nonwoven geotextiles 4

Effects of needle-punch rate on properties of PET/Kevlar/LPE...

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4th International Workshop on Computer science and engineering-Winter, WCSE 2014

作者： Lin, Jia-Horng Li, Jia-Hsun Hsieh, Jing-Chzi Hsing, Wen-Hao Lou, Ching-Wen Laboratory of Fiber Application and Manufacturing Department of Fiber and Composite Materials Feng Chia University Taichung City40724 Taiwan School of Chinese Medicine China Medical University Taichung40402 Taiwan Department of Fashion Design Asia University Taichung41354 Taiwan Department of Ph. D Program in Civil and Hydraulic Engineering Feng Chia University Taichung City40724 Taiwan Department of Land Management Feng Chia University Taichung City40724 Taiwan Department of Textile Engineering Chinese Culture University Taipei11114 Taiwan Institute of Biomedical Engineering and Materials Science Central Taiwan University of Science and Technology Taichung40601 Taiwan

Geotextiles feature reinforcement, drainage, filtration, separation, and act as a moisture barrier, and are commonly used in civil and geotechnical engineering applications. Using nonwoven fabrics as geotextiles has become a recent trend;therefore, this study combines crimped polyester (PET) fibers, recycled Kevlar unidirectional selvage fibers, and low-melting-point PET (LPET) fiber to make PET/Kevlar/LPET nonwoven geotextiles, the mechanical properties of which are then examined. The test results show that the tensile strength and tearing strength of the PET/Kevlar/LPET nonwoven geotextiles increases as a result of an increasing needle-punch rate from 150 punches/min to 200 punches/min. The mechanical properties along the cross machine direciton (CD) of the nonwoven geotextiles is greater than that along the machine direction (MD). When the needle-punching rate exceeds 200 punches/min, the mechanical properties of the nonwoven geotextiles slightly decrease.

关键词： Needles

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Effects of Needle-Punch Depth on Properties of PET/LPET/Kevlar Nonwoven Geotextiles

Effects of Needle-Punch Depth on Properties of PET/LPET/Kevl...

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2nd International Conference on Advanced Composite Materials and Manufacturing engineering, CMME 2014

作者： Lin, Jia Horng Hsieh, Jing Chzi Li, Jia Hsun Hsing, Wen Hao Lou, Ching Wen Laboratory of Fiber Application and Manufacturing Department of Fiber and Composite Materials Feng Chia University Taichung City 40724 Taiwan School of Chinese Medicine China Medical University Taichung 40402 Taiwan Department of Fashion Design Asia University Taichung 41354 Taiwan Department of Land Management Feng Chia University Taichung City 40724 Taiwan Department of Ph. D Program in Civil and Hydraulic Engineering Feng Chia University Taichung City 40724 Taiwan The Department of Textile Engineering Chinese Culture University Taipei 11114 Taiwan Institute of Biomedical Engineering and Materials Science Central Taiwan University of Science and Technology Taichung 40601 Taiwan

ISBN: (纸本)9783038350651

Geotextile has been commonly used in civil and geotechnical engineering applications, and the majority of geotextiles is made of nonwoven fabrics. Therefore, this study combines crimped polyester (PET) fibers, recycled Kevlar unidirectional selvage fibers, and low-melting-point PET (LPET) fibers to form PET/Kevlar/LPET nonwoven geotextiles, and then examines how various neelde-punch depths influence mechanical properties of the resulting nonwoven geotextiles. The tensile strength, tearing strength, bursting strength, and static puncture resistance of the nonwoven fabrics increase as a result of an increase of 0.3 cm to 0.5 cm in needle-punch depth. However, an increase of 0.5 cm to 0.7 cm causes a slight decrease in all aforementioned properties. © (2014) Trans Tech Publications, Switzerland.

关键词： Needles

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Co3O4/carbon composite nanofibers for use as anode material in advanced lithium-ion batteries

Co3O4/carbon composite nanofibers for use as anode material ...

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作者： Li, Shuli Fu, Kun Xue, Leigang Toprakci, Ozan Li, Ying Zhang, Shu Xu, Guanjie Lu, Yao Zhang, Xiangwu Fiber and Polymer Science Program Department of Textile Engineering Chemistry and Science North Carolina State University Raleigh NC 27695-8301 United States

ISBN: (纸本)9780841228139

Co3O4/carbon composite nanofibers were prepared by a combination of electrospinning and carbonization methods using 10 - 30 nm and 30 - 50 nm Co3O4 nanoparticles, respectively, and their potential use as the anode material in rechargeable lithium-ion batteries was investigated. The composite Co3O4/carbon nanofiber electrode containing 30 - 50 nm Co3O4 nanoparticles showed large reversible capacities and good cycleability with charge capacities of 677 and 545 mAh g-1 at the second and twentieth cycles, respectively. In contrast, the composite Co3O4/carbon nanofiber electrode containing 10 - 30 nm Co3O4 nanoparticles showed fast capacity fading during cycling due to severe nanoparticle aggregation. Results suggested that the good electrochemical performance of Co3O4/carbon nanofiber electrode containing 30 - 50 nm Co3O4 nanoparticles was ascribed to the combination of the properties of both Co 3O4 nanoparticles (large Li storage capability) and carbon nanofiber matrix (long cycle life), and therefore this electrode material could be potentially used in high-energy rechargeable lithium-ion batteries. © 2013 American Chemical Society.

关键词： Lithium-ion batteries

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Thermoplastic elastomer systems for stimulated shape change: From electrical actuation to thermal recovery

Thermoplastic elastomer systems for stimulated shape change:...

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International Symposium on fibers Interfacing the World 2013

作者： Spontak, Richard J. Tallury, Syamal S. Ghosh, Tushar K. Pasquinelli, Melissa A. Pourdeyhimi, Behnam Department of Chemical and Biomolecular Engineering NC State University United States Department of Materials Science and Engineering NC State University United States Fiber and Polymer Science Program NC State University United States Department of Textile Engineering Chemistry and Science NC State University United States

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Mineralized Composite Nanofibrous Mats for Bone Tissue engineering

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Journal of Donghua University(English Edition) 2013年第5期30卷 359-361页

作者：刘威詹建朝吴桐苏艳莫秀梅廖素三 RAMAKRISHNA Seeram State Key Laboratory for Modifications of Chemical Fiber and Polymer Materials College of Material Science and EngineeringDonghua University Biomaterials and Tissue Engineering Laboratory College of ChemistryChemical Engineering and BiotechnologyDonghua University College of Materials and Textile Engineering Jiaxing University School of Materials Science and Engineering Nanyang Technological University Department of Mechanical Engineering National University of Singapore

Composite nanofibrous mats consisting of poly( L-lactideco-ε-caprolactone)( PLCL) and collagen type I( COL) were fabricated by electrospinning,and ten times simulated body fluid(10SBF) were employed to mineralize nanofibrous mats. Ballshaped hydroxyapatite( HA) was deposited on the surface of nanofibrous mats in 1. 5 h at room temperature. Human fetal osteoblasts( hFob) were seeded to investigate their proliferation and differentiation on mineralized composite nanofibrous mats. The results showed that hFob grew well on mineralized composite nanofibrous mats and alkaline phosphatase( ALP) activity of hFob on mineralized composite nanofibrous mats at 14 d was much higher than that on untreated nanofibrous mats. Moreover,the expression of osteocalcin of cells on mineralized composite nanofibrous mats was also much higher than those on untreated nanofibrous mats at 7 d and 14 d. This mineralized composite nanofibrous mats may have a great potential for bone tissue engineering.

关键词： electrospnning nanofibrous mat mineralization bone tissue engineering

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Advanced Nanofibrous Energy-Storage Materials

Advanced Nanofibrous Energy-Storage Materials

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The 12th Asian textile Conference (第12届亚洲纺织会议暨2013年纺织学术年会)

作者： Xiangwu Zhang Fiber and Polymer Science Program Department of Textile Engineering Chemistry and Science North Carolina State University Raleigh USA

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