Nanofiber battery separator
Chitosan nanofiber paper used as separator for high performance …
Medium-sized chitosan nanofiber (400 nm) paper separators exhibited relatively high mechanical strength and excellent battery performance, with potential as …
Membranes | Free Full-Text | Composite Membrane …
This paper presents the preparation and investigation of a novel composite membrane for use as a separator in lithium-ion batteries. The composite separator is based on the introduction of a ceramic …
Research papers Phosphorus flame retardant modified aramid nanofiber separator for advanced safety lithium-sulfur batteries …
The structural characterizations of various T-PMIA separators are shown in Figs. 2 a–e and S2–7. The Fourier transform infrared (FTIR) spectroscopy analysis (Fig. 2 a) reveals characteristic peaks of the T-PMIA separators at 962 cm −1, 1181 cm −1, and 1282 cm −1 in comparison with the PMIA separator, associated with the stretching vibration …
Characteristic of Nanofiber PVA-Graphene Oxide (GO) as Lithium Battery Separator …
The material that can meet the characteristics of the battery separator is PVA-GO nanofiber. Graphene oxide was synthesized using Hummer''s method, while PVA-GO nanofiber was synthesized by ...
Boehmite-enhanced poly(vinylidene fluoride-co-hexafluoropropylene)/polyacrylonitrile (PVDF-HFP/PAN) coaxial electrospun nanofiber …
Polyethylene (PE) and polypropylene (PP) are widely employed in commercial lithium-ion battery (LIB) separators due to their superb mechanical strength and chemical stability. Nonetheless, inherent limitations such as inadequate high-temperature resilience, low porosity, and suboptimal wettability curtail their application in …
Nanofiber Materials for Lithium-Ion Batteries | Advanced Fiber …
The lithium-ion (Li-ion) battery has received considerable attention in the field of energy conversion and storage due to its high energy density and eco-friendliness. Significant academic and commercial progress has been made in Li-ion battery technologies. One area of advancement has been the addition of nanofiber materials to …
Preparation and properties of nanofiber-coated composite membranes as battery separators via electrospinning
An electrospun nanofiber-coated Celgard ® 2400 polypropylene microporous battery separator was prepared using polyvinylidene fluoride (PVDF) and polyvinylidene fluoride-co-chlorotrifluoroethylene (PVDF-co-CTFE).The coating of PVDF and PVDF-co-CTFE nanofibers was carried out using single nozzle and nozzle-less …
Feasibility of Chemically Modified Cellulose Nanofiber Membranes as Lithium-Ion Battery Separators …
Chemical modification of cellulose is beneficial to produce highly porous lithium-ion battery (LIB) separators, but introduction of high charge density adversely affects its electrochemical stability in a LiNi1/3Mn1/3Co1/3O2 (NMC)/graphite full cell. In this study, the influence of carboxylate functional groups in 2,2,6,6-tetramethylpiperidine-1 …
Novel aramid nanofiber-coated polypropylene separators for lithium ion batteries …
Aramid nanofiber (ANF)-coated separators were successfully prepared by the dip-coating of a cationized polypropylene (PP) porous separator in an ANF dispersion in DMSO. The ANFs were successfully coated onto the surface of the cationized PP separator as demonstrated by FT-IR and XPS measurements and the ANFs
Core–Shell Structured Nanofibers for Lithium Ion Battery …
Endowing separators in lithium ion batteries with highly sensitive shutdown function and good thermal stability is critical for the large-scale energy storage …
Bacterial cellulose nanofiber membrane for use as lithium-ion battery separator
Bacterial cellulose nanofiber membrane for use as lithium-ion battery separator Qiumei Huang 1 and Chuanshan Zhao 1 Published under licence by IOP Publishing Ltd IOP Conference Series: Earth and Environmental Science, Volume 647, 2020 6th International Conference on Advances in Energy Resources and Environment …
Nanoporous aramid nanofibre separators for nonaqueous redox flow batteries
Nanoporous aramid nanofibre separators for nonaqueous ...
Redox-active NiS@bacterial cellulose nanofiber composite separators with superior rate capability for lithium-ion batteries …
In comparison to the batteries using the other separators, the battery using the NiDBC-2 separator exhibited a longer plateau owing to the NiS redox capacity. The discharge capacity of the battery using the NiDBC-2 separator was 117 mAh g-1, larger than those using the BC (107 mAh g-1) and the PP-PE-PP (78 mAh g-1) separators.
Research progress on the electrospinning nanofiber lithium-ion battery separators
16. Ding J. The study of organic-inorganic composite nanofiber separator for lithium-ion battery by electrospinning [PhD thesis]. Dongying: China University of Petroleum; 2013. 17. Li L, Chen J, Gong Y, et al. Electrospinning TiO2 modified biphenyl polyimide 18.
Biomass Chitin Nanofiber Separators Proactively Stabilizing Zinc Anodes for Dendrite-Free Aqueous Zinc-Ion Batteries
Herein, a chitin nanofiber membrane separator is developed to tackle these issues via a simple, low-cost, and scalable strategy. The obtained separator exhibits abundant zincophilic functional groups, homogeneous nanopores, and excellent mechanical properties, which facilitate the desolvation of hydrated Zn 2+ ions, improve the Zn 2+ …
Ultra-robust polyimide nanofiber separators with shutdown …
In summary, a series of advanced PI nanofiber separators with ultrahigh strength, thermostability, flame resistance, wettability, and shutdown function have been …
Poly(vinylidene fluoride) separators for next‐generation lithium based batteries
Poly(vinylidene fluoride) separators for next‐generation ...
Morphology optimizing of polyvinylidene fluoride (PVDF) nanofiber separator for safe lithium‐ion battery …
LiCoO 2 /Li cells based on PVDF nanofiber separators have higher discharge capacity even at the current density of 5 C-rate, superior than the cells based on PE separator. It is inspiring for high-energy-density battery safety to use this PVDF nanofiber separator.
Polymers | Free Full-Text | Multilayer Nanofiber Composite Separator for Lithium-Ion Batteries …
Multilayer Nanofiber Composite Separator for Lithium-Ion ...
Pure cellulose nanofiber separator with high ionic conductivity and cycling stability for lithium-ion batteries …
Conventional polyolefin separators are constrained by poor electrolyte wettability, inferior thermal stability, and low ionic conductivity, which seriously restrict their application in high-performance lithium-ion batteries (LIBs). Herein, cellulose nanofiber (CNF) as the ...
Membranes | Free Full-Text | Composite Membrane Containing Titania Nanofibers for Battery Separators Used in Lithium-Ion Batteries …
In order to improve the electrochemical performance of lithium-ion batteries, a new kind of composite membrane made using inorganic nanofibers has been developed via electrospinning and the solvent-nonsolvent exchange process. The resultant membranes present free-standing and flexible properties and have a continuous network structure of …
Nanoporous aramid nanofibre separators for …
Efforts to significantly increase energy densities by using nonaqueous electrolytes have been impeded by separators with low selectivities. Here, we report nanoporous separators based on aramid...
Amphoteric Supramolecular Nanofiber Separator for High-Performance Sodium-Ion Batteries
The battery assembled with the amphoteric nanofiber separator shows higher specific capacity and better stability than that assembled with glass fiber (GF) separator. Conflict of Interest Authors declare that they have no competing interests.
Pure cellulose lithium-ion battery separator with tunable pore size and improved working stability by cellulose nanofibrils …
Eco-friendly cellulose nanofiber paper-derived separator membranes featuring tunable nanoporous network channels for lithium-ion batteries Journal of Materials Chemistry, 22 ( 32 ) ( 2012 ), pp. 16618 - 16626, 10.1039/C2JM32415F
Zeolitic imidazolate framework-cellulose nanofiber hybrid membrane as Li-Ion battery separator: Basic membrane property and battery …
Zeolitic imidazolate framework-cellulose nanofiber hybrid membrane as Li-Ion battery separator: Basic membrane property and battery performance Author links open overlay panel Xiuxuan Sun a, Meichun Li a, Suxia Ren b, Tingzhou Lei b, Sang‐Young Lee c, Sunyoung Lee d, Qinglin Wu a
Advanced separators based on aramid nanofiber (ANF) membranes for lithium-ion batteries…
Lithium-ion batteries (LIBs) have brought great significance and convenience not only in our daily lives, but also in the fields of industrial manufacturing and energy storage. Although the separator is an inactive component in a cell that does not engage in reactions, it has a significant impact on the batt
Cross-linked cellulose/carboxylated polyimide nanofiber separator for lithium-ion battery …
In this work, we develop a novel strategy to construct a 3D interconnected cellulose/carboxylated PI (Cellulose/PI-COOH) nanofiber separator by skillfully taking the advantage of the H-bond cross-linking between cellulose and PI-COOH. As shown in Fig. 1, cellulose acetate (CA) extracted from the filter tip of waste cigarettes was electrospun …
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