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article

Dynamic, conformational and topological properties of ring–linear poly(ethylene oxide) blends from molecular dynamics simulations

Dimitrios G. Tsalikis, Thanasis Koukoulas, Vlasis G. Mavrantzas, D.G. Tsalikis, more

Reactive and Functional Polymers > 2014 > 80 > Complete > 61-70

We present results for the equilibrium conformational and dynamic properties of ring–linear poly(ethylene oxide) (PEO) blends from detailed molecular dynamics (MD) simulations with a thoroughly validated and very accurate forcefield. The simulations have been performed in the isothermal–isobaric (NPT) statistical ensemble with blends where the two types of chains (ring and linear) have the same size...

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Thermally stable modification of PEO‐based all‐solid‐state electrolytes via a stretching flow field: Constructing a supportive polymer skeleton

Zhitao Yang, Zhen Zhang, Cheng Li, Yiping Fang, more

Journal of Applied Polymer Science > 141 > 37 > n/a - n/a

Since the advent of all‐solid‐state lithium‐ion batteries (ASSLIBs), they have been widely regarded as the ideal high‐temperature‐resistant energy storage devices. The solid‐state electrolyte, a crucial component, should possess high ionic conductivity, excellent flexibility, and significant mechanical strength. Poly(ethylene oxide)‐based all‐solid‐state polymer electrolytes (PEO‐ASSPE) appear to...

article

Impact of open‐air processing on atmospheric pressure plasma deposition of poly(ethylene oxide) coatings for antifouling applications

Tijs Dekoster, Rita Vos, Karolien Jans, Willem Van Roy, more

Plasma Processes and Polymers > 21 > 7 > n/a - n/a

Atmospheric pressure plasma deposition (APPD) of poly(ethylene oxide) (PEO)‐like antifouling coatings provides an attractive way to reduce biofouling for reliable biosensor operation. Cold atmospheric pressure plasma jets are designed to operate in open air. This paper demonstrates the impact of open‐air processing on the composition and properties of PEO‐like coatings by APPD with vinyl ether precursors...

article

Enhancing the performance of poly(ethylene oxide) solid electrolytes through synergistic interaction of starch and butanedinitrile

Tuo Zhao, Jingjing Yang, Lifan Cai, Wanxin Zhu, more

Journal of Applied Polymer Science > 141 > 25 > n/a - n/a

Solid polymer electrolyte (SPE) is one of the key materials being researched as the core component of all‐solid‐state lithium batteries, which are safer and helpful for higher energy densities. Although there has been extensive research, unifying electrochemical performance with environmental requirements is the new requirement of SPE. Here, natural and harmless starch is used as a filler to modify...

article

Chitosan‐containing electrospun poly(ethylene oxide)‐polybutadiene‐CNT fibers

Baran Sarac, Remzi Gürbüz, Viktor Soprunyuk, Eray Yüce, more

Polymers for Advanced Technologies > 35 > 4 > n/a - n/a

Cross‐linked polymer composite fibers are gaining more and more interest in the fields of drug delivery, bone regeneration and biomineralization. This study focuses on the replacement of the radical initiator by photoinitiation via benzophenone, resulting in poly(ethylene oxide)‐polybutadiene‐carbon nanotube (PEO‐PBu‐CNT) nanofibers. The inclusion of small amounts of CNTs increases the rupture temperature...

article

Adsorption behavior of poly(ethylene oxide) on kaolinite: Experimental and molecular simulation study

Tingting Wang, Jing Wang, Mingqing Zhang, Bingfeng Liu, more

Physicochemical Problems of Mineral Processing > 2024 > Vol. 60, iss. 2 > art. no. 185900

Poly(ethylene oxide) (PEO) adsorption behavior on kaolinite surfaces in an aqueous solution was investigated through experiments, the density functional theory (DFT), and molecular dynamics (MD) simulations. The experimental results showed that as the PEO concentration increased, the adsorption capacity first increased then slightly decreased and the turbidity change was opposite. The adsorption isotherm...

article

Composite core‐double sheath fibers based on some biodegradable polyesters obtained by self‐organization during electrospinning

Selin Kyuchyuk, Dilyana Paneva, Nevena Manolova, Iliya Rashkov, more

Journal of Applied Polymer Science > 141 > 14 > n/a - n/a

Obtaining core‐sheath fibers by single‐spinneret electrospinning is a recent and straightforward approach to prepare composite fibers. Fibers of more complex architecture consisting of poly(ethylene oxide) (PEO) core, inner poly(l‐lactide) sheath sd and outer beeswax (BW) sheath may also be obtained using this method. In the present study we report its applicability for a large series of (bio)degradable...

article

Surface Oxygen Vacancy Inducing Li‐Ion‐Conducting Percolation Network in Composite Solid Electrolytes for All‐Solid‐State Lithium‐Metal Batteries (Small 22/2023)

Heejun Yun, Jinil Cho, Seokgyu Ryu, Seonmi Pyo, more

Small > 19 > 22 > n/a - n/a

All‐Solid‐State Lithium‐Metal Batteries In article number 2207223, Jeeyoung Yoo, Youn Sang Kim, and co‐workers present an all‐solid‐state lithium‐metal battery with composite solid electrolyte. Specifically, the oxygen vacancy‐rich indium tin oxide (ITO) nanoparticles (green‐colored) induce the Li‐ion conducting percolation network (red‐colored) at the ITO‐poly(ethylene oxide) (PEO) interface. The...

article

Surface Oxygen Vacancy Inducing Li‐Ion‐Conducting Percolation Network in Composite Solid Electrolytes for All‐Solid‐State Lithium‐Metal Batteries

Heejun Yun, Jinil Cho, Seokgyu Ryu, Seonmi Pyo, more

Small > 19 > 22 > n/a - n/a

Composite solid electrolytes (CSEs) are newly emerging components for all‐solid‐state Li‐metal batteries owing to their excellent processability and compatibility with the electrodes. Moreover, the ionic conductivity of the CSEs is one order of magnitude higher than the solid polymer electrolytes (SPEs) by incorporation of inorganic fillers into SPEs. However, their advancement has come to a standstill...

article

The Effect of Blending Natural Rubber‐graft‐poly(methyl methacrylate) on the Dielectric Relaxation of Poly(ethylene oxide)

Nurul Fatahah Asyqin Zainal, Chin Han Chan

Macromolecular Symposia > 408 > 1 > n/a - n/a

This study focuses on the dielectric relaxation of the immiscible PEO/NR‐g‐PMMA blends. Due to the heterogeneous morphologies of the blends, the molecular mobility in the polymer chains displays various relaxation responses. The dielectric relaxation of the blends is analyzed in terms of complex impedance, complex permittivity, tangent loss spectra, and complex modulus. The molten neat PEO promotes...

article

Evaluation and Improvement of the Stability of Poly(ethylene oxide)‐based Solid‐state Batteries with High‐Voltage Cathodes

Yuriy Yusim, Enrico Trevisanello, Raffael Ruess, Felix H. Richter, more

Angewandte Chemie International Edition > 62 > 12 > n/a - n/a

Solid‐state batteries (SSBs) with high‐voltage cathode active materials (CAMs) such as LiNi_1−x−yCo_xMn_yO₂ (NCM) and poly(ethylene oxide) (PEO) suffer from “noisy voltage” related cell failure. Moreover, reports on their long‐term cycling performance with high‐voltage CAMs are not consistent. In this work, we verified that the penetration of lithium dendrites through the solid polymer electrolyte (SPE)...

article

Tuning Ion/Electron Conducting Properties at Electrified Interfaces for Practical All‐Solid‐State Li–Metal Batteries

Junze Guo, Weidong Zhang, Zeyu Shen, Shulan Mao, more

Advanced Functional Materials > 32 > 35 > n/a - n/a

Poly(ethylene oxide) (PEO) based solid‐state electrolytes with good chemical stability against Li–metal, provide a promising solution for practical all solid‐state Li–metal batteries (ASSLMBs). However, the risk of short circuit using thin PEO under semi‐molten state and the oxidative decomposition of PEO by cathodes under high voltage hinder the practical application of PEO‐based ASSLMBs. Here, it...

article

Micropore‐Forming Gelatin Methacryloyl (GelMA) Bioink Toolbox 2.0: Designable Tunability and Adaptability for 3D Bioprinting Applications

Sili Yi, Qiong Liu, Zeyu Luo, Jacqueline Jialu He, more

Small > 18 > 25 > n/a - n/a

It is well‐known that tissue engineering scaffolds that feature highly interconnected and size‐adjustable micropores are oftentimes desired to promote cellular viability, motility, and functions. Unfortunately, the ability of precise control over the microporous structures within bioinks in a cytocompatible manner for applications in 3D bioprinting is generally lacking, until a method of micropore‐forming...

article

Constructing Interfacial Nanolayer Stabilizes 4.3 V High‐Voltage All‐Solid‐State Lithium Batteries with PEO‐Based Solid‐State Electrolyte

Xufeng Wang, Yajie Song, Xin Jiang, Qingsong Liu, more

Advanced Functional Materials > 32 > 23 > n/a - n/a

The complicated interfacial problems of poly(ethylene oxide) (PEO)‐based solid polymer electrolytes (SPEs) at high voltages severely hinder its practical applications for high‐energy‐density all‐solid‐state lithium batteries (ASSLBs). Herein, the failure mechanisms of ASSLBs with LiNi_0.6Co_0.2Mn_0.2O₂ (NCM)‐PEO are studied. It is found that the ASSLBs after charge generates a sharp drop of 0.62 V at...

article

Thermal, Mechanical, and Ion‐Conductive Properties of Crosslinked Poly[(ethylene carbonate)‐co‐(ethylene oxide)]‐Lithium Bis(fluorosulfonyl)imide Electrolytes

Naomi Nishimura, Junpei Hashinokuchi, Yoichi Tominaga

Macromolecular Chemistry and Physics > 223 > 8 > n/a - n/a

A random copolymer consisting of ethylene carbonate (EC) and ethylene oxide (EO) units with allyl side groups is synthesized as a matrix for solid polymer electrolytes (SPE). By introducing crosslinking structure to the copolymer, creating a polymer matrix with superior mechanical strength while maintaining good ionic conductivity is being attempted. A tensile test indicates that introduction of the...

article

Effect of methanol on surfactants and surfactant–PEO mixtures

Iram Bibi, Syed Waqar Hussain Shah, Madeeha Bibi, Wajid Rehman, more

Asia‐Pacific Journal of Chemical Engineering > 16 > 6 > n/a - n/a

Methanol–water system possesses unusual interactions, which may affect surfactant self‐assembly. The main objective of this study was to investigate the interactions and aggregation behavior of ionic surfactants sodium dodecyl sulfate (SDS) and cetyltrimethylammonium bromide (CTAB) and their equimolar catanionic binary mixtures (CAM) and their ternary mixtures with poly(ethylene oxide) (PEO) in aqueous...

article

Li₂S₆‐Integrated PEO‐Based Polymer Electrolytes for All‐Solid‐State Lithium‐Metal Batteries

Ruyi Fang, Biyi Xu, Nicholas S. Grundish, Yang Xia, more

Angewandte Chemie > 133 > 32 > 17842 - 17847

The integration of Li₂S₆ within a poly(ethylene oxide) (PEO)‐based polymer electrolyte is demonstrated to improve the polymer electrolyte's ionic conductivity because the strong interplay between O²⁻_(PEO) and Li⁺ from Li₂S₆ reduces the crystalline volume within the PEO. The Li/electrolyte interface is stabilized by the in situ formation of an ultra‐thin Li₂S/Li₂S₂ layer via the reaction between Li...

article

Li₂S₆‐Integrated PEO‐Based Polymer Electrolytes for All‐Solid‐State Lithium‐Metal Batteries

Ruyi Fang, Biyi Xu, Nicholas S. Grundish, Yang Xia, more

Angewandte Chemie International Edition > 60 > 32 > 17701 - 17706

The integration of Li₂S₆ within a poly(ethylene oxide) (PEO)‐based polymer electrolyte is demonstrated to improve the polymer electrolyte's ionic conductivity because the strong interplay between O²⁻_(PEO) and Li⁺ from Li₂S₆ reduces the crystalline volume within the PEO. The Li/electrolyte interface is stabilized by the in situ formation of an ultra‐thin Li₂S/Li₂S₂ layer via the reaction between Li...

article

Front Cover: Thermally Responsive Poly(ethylene oxide)‐Based Polyrotaxanes Bearing Hydrogen‐Bonding Pillar[5]arene Rings (Chem. Eur. J. 21/2021)

Kenichi Kato, Katsuto Onishi, Koki Maeda, Masafumi Yagyu, more

Chemistry – A European Journal > 27 > 21 > 6354 - 6354

Polyrotaxanes constructed from hydrogen‐bonding pillar[5]arene rings and poly(ethylene oxide) chains were synthesized. A polyrotaxane with a high‐molecular‐weight poly(ethylene oxide) chain showed temperature‐dependent shape memory properties, because of the topological confinement and cross‐linked hydrogen bonds. The hydrogen bond networks constructed from pillar[5]arene rings and poly(ethylene oxide)...

article

Thermally Responsive Poly(ethylene oxide)‐Based Polyrotaxanes Bearing Hydrogen‐Bonding Pillar[5]arene Rings**

Kenichi Kato, Katsuto Onishi, Koki Maeda, Masafumi Yagyu, more

Chemistry – A European Journal > 27 > 21 > 6435 - 6439

Poly(ethylene oxide)s (PEOs) are useful polymers with good water solubility, biological compatibility, and commercial availability. PEOs with various end groups were threaded into pillar[5]arene rings in a mixture of water and methanol to afford pseudopolyrotaxanes. Corresponding polyrotaxanes were also constructed by capping COOH‐terminated pseudopolyrotaxanes with bulky amines, in which multiple...

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Search results

Dynamic, conformational and topological properties of ring–linear poly(ethylene oxide) blends from molecular dynamics simulations

Thermally stable modification of PEO‐based all‐solid‐state electrolytes via a stretching flow field: Constructing a supportive polymer skeleton

Impact of open‐air processing on atmospheric pressure plasma deposition of poly(ethylene oxide) coatings for antifouling applications

Enhancing the performance of poly(ethylene oxide) solid electrolytes through synergistic interaction of starch and butanedinitrile

Chitosan‐containing electrospun poly(ethylene oxide)‐polybutadiene‐CNT fibers

Adsorption behavior of poly(ethylene oxide) on kaolinite: Experimental and molecular simulation study

Composite core‐double sheath fibers based on some biodegradable polyesters obtained by self‐organization during electrospinning

Surface Oxygen Vacancy Inducing Li‐Ion‐Conducting Percolation Network in Composite Solid Electrolytes for All‐Solid‐State Lithium‐Metal Batteries (Small 22/2023)

Surface Oxygen Vacancy Inducing Li‐Ion‐Conducting Percolation Network in Composite Solid Electrolytes for All‐Solid‐State Lithium‐Metal Batteries

The Effect of Blending Natural Rubber‐graft‐poly(methyl methacrylate) on the Dielectric Relaxation of Poly(ethylene oxide)

Evaluation and Improvement of the Stability of Poly(ethylene oxide)‐based Solid‐state Batteries with High‐Voltage Cathodes

Tuning Ion/Electron Conducting Properties at Electrified Interfaces for Practical All‐Solid‐State Li–Metal Batteries

Micropore‐Forming Gelatin Methacryloyl (GelMA) Bioink Toolbox 2.0: Designable Tunability and Adaptability for 3D Bioprinting Applications

Constructing Interfacial Nanolayer Stabilizes 4.3 V High‐Voltage All‐Solid‐State Lithium Batteries with PEO‐Based Solid‐State Electrolyte

Thermal, Mechanical, and Ion‐Conductive Properties of Crosslinked Poly[(ethylene carbonate)‐co‐(ethylene oxide)]‐Lithium Bis(fluorosulfonyl)imide Electrolytes

Effect of methanol on surfactants and surfactant–PEO mixtures

Li₂S₆‐Integrated PEO‐Based Polymer Electrolytes for All‐Solid‐State Lithium‐Metal Batteries

Li₂S₆‐Integrated PEO‐Based Polymer Electrolytes for All‐Solid‐State Lithium‐Metal Batteries

Front Cover: Thermally Responsive Poly(ethylene oxide)‐Based Polyrotaxanes Bearing Hydrogen‐Bonding Pillar[5]arene Rings (Chem. Eur. J. 21/2021)

Thermally Responsive Poly(ethylene oxide)‐Based Polyrotaxanes Bearing Hydrogen‐Bonding Pillar[5]arene Rings**

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