A star-shaped single lithium-ion conducting copolymer by grafting a POSS nanoparticle

Cao, Pengfei; Wojnarowska, Ż.; Hong, Tao; Carroll, Bobby; Li, Bingrui; Feng, Hongbo; Parsons, Leo W. T.; Wang, Weiyu; Lokitz, Bradley S.; Cheng, Shiwang; Bocharova, Vera; Sokolov, Alexei P.; Saito, Tomonori

doi:10.1016/j.polymer.2017.07.052

Cited by 46 publications

(44 citation statements)

References 43 publications

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“…One was a physical method [4,5], and the other was chemical modification. The commonly used chemical modification methods include surface grafting [6,7], surface modification by plasma [8,9], and ultrasonic infiltration [10]. The surface coating as a physical method has been widely used because of simple equipment and convenient operation.…”

Section: Introductionmentioning

confidence: 99%

Study on Surface Properties of Aramid Fiber Modified in Supercritical Carbon Dioxide by Glycidyl-POSS

Luo

Yang

et al. 2019

Polymers

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The outstanding diffusivity and permeability of supercritical carbon dioxide (scCO2) are extremely beneficial for grafting reaction. In this work, aramid fibers (AF) are modified in scCO2 by glycidyl-polyhedral oliomeric silsesquioxane (POSS) with 2-ethyl-4-methylimidazole (2E4MZ) on the basis of cleaning with acetone. The surface morphology and chemical structure of the modified AF were measured and characterized by Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), Scanning electron microscope (SEM), Thermogravimetric (TG), and Atomic force microscope (AFM). The interfacial shear strength (IFSS) was measured by a micro-bond pull-out test, then the modified AF/EP composites were prepared and the interlaminar shear strength (ILSS) was characterized. Research has shown that some of the glycidyl-POSS molecular chains permeated into the surface of the fiber and grafted onto the surface of the AF after modification, and the other glycidyl-POSS self-assembled on the surface of the fiber. XPS indicated the introduction of C–O and –COO–, which confirmed the existence of chemical reactions between AF and glycidyl-POSS. AFM and SEM images revealed that 2E4MZ, not only promoted the grafting reaction of glycidyl-POSS, but also intensified the self-assembly of glycidyl-POSS, both of which increased the roughness of the fiber. A monofilament tensile test and micro-bond pull-out test showed that there was a negative effect on the tensile strength after scCO2 processing. The tensile strength of modified AF, with glycidyl-POSS, increased the highest strength of 25.7 cN dtex−1, which was 8% higher than that of pristine AF. The improvement of ILS roughness and the polar chemical groups produced in grafting reaction. These results indicated that AF, treated in scCO2, with glycidyl-POSS, which is a suitable way of fiber modification, can significantly improve the surface adhesion of AF reinforced composites.

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Section: Introductionmentioning

confidence: 99%

Study on Surface Properties of Aramid Fiber Modified in Supercritical Carbon Dioxide by Glycidyl-POSS

Luo

Yang

et al. 2019

Polymers

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“…With the incorporation of lithium salts, the ionic conductivity of solid-state polymer electrolytes can reach 10 −6 to 10 −5 S/cm at room temperature (Wang et al, 2016;Meabe et al, 2019). With the covalent attachment of anions to the polymer backbone, single lithium ion conducting polymer electrolytes show a lower ionic conductivity of 10 −7 to 10 −6 S/cm at room temperature (Cao et al, 2017(Cao et al, , 2020. Recent study demonstrated the remarkably high Li + conductivity of 5.84 × 10 −4 S/cm at 25 • C (Ahmed et al, 2019).…”

Section: Hybrid Solid Electrolytes Polymer Matrixmentioning

confidence: 99%

Recent Developments and Challenges in Hybrid Solid Electrolytes for Lithium-Ion Batteries

et al. 2020

Self Cite

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Lithium-ion batteries (LIBs) have attracted worldwide research interest due to their high energy density and long cycle life. Solid-state LIBs improve the safety of conventional liquid-based LIBs by replacing the flammable organic electrolytes with a solid electrolyte. Among the various types of solid electrolytes, hybrid solid electrolytes (HSEs) demonstrate great promise to achieve high ionic conductivity, reduced interfacial resistance between the electrolyte and electrodes, mechanical robustness, and excellent processability due to the combined advantages of both polymer and inorganic electrolyte. This article summarizes recent developments in HSEs for LIBs. Approaches for the preparation of hybrid electrolytes and current understanding of iontransport mechanisms are discussed. The main challenges including unsatisfactory ionic conductivity and perspectives of HSEs for LIBs are highlighted for future development. The present review provides insights into HSE development to allow a more efficient and target-oriented future endeavor on achieving high-performance solid-state LIBs.

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“…Such strategies have included heteroarm star‐shaped and hyperbranched copolymers. For instance, a heteroarm star‐shaped single lithium ion‐conducting copolymer has been synthesized via the combination of “grafting to” and “grafting from” strategies . First, POSS‐PEO m ‐poly[(styrene‐4‐sulfonyltrifluoromethyl‐sulfonyl)imide] n (POSS‐PEO m ‐PSTF n ) 14 ( m + n = 8) is synthesized by grafting carboxylic‐acid terminated PEO and RAFT agent onto the POSS core, followed by RAFT polymerization of STF‐K + and counter ion exchange.…”

Section: Synthetic Strategy For Poss‐hybrid Polymers With Well‐definementioning

confidence: 99%

Polyhedral Oligomeric Silsesquioxane Hybrid Polymers: Well‐Defined Architectural Design and Potential Functional Applications

Chen

Lin

Zhang

et al. 2019

Macromol. Rapid Commun.

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Polyhedral oligomeric silsesquioxane (POSS)‐hybrid polymers have been successfully employed as functional inorganic–organic hybrid materials for various applications due to their well‐determined structures. The past 6 years has witnessed growing interest in the rational design and synthetic approaches for POSS‐hybrid polymers, driven by the adoption of controlled living radial polymerization and click chemistry. This review addresses developments in the precise manipulation of POSS building blocks via atom transfer radical polymerization, reversible addition–fragmentation chain transfer, and click chemistry. Not only are the structures of POSS‐hybrid polymers tunable in terms of chemical composition, molecular weight, and polydispersity, but they are also controllable in sequential and hierarchical chain topology. Finally, some representative cutting‐edge applications of POSS‐hybrid polymers, including biomedical and energy‐related materials, fabrication of nanostructures, and functional surface coating materials, are highlighted.

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A star-shaped single lithium-ion conducting copolymer by grafting a POSS nanoparticle

Cited by 46 publications

References 43 publications

Study on Surface Properties of Aramid Fiber Modified in Supercritical Carbon Dioxide by Glycidyl-POSS

Study on Surface Properties of Aramid Fiber Modified in Supercritical Carbon Dioxide by Glycidyl-POSS

Recent Developments and Challenges in Hybrid Solid Electrolytes for Lithium-Ion Batteries

Polyhedral Oligomeric Silsesquioxane Hybrid Polymers: Well‐Defined Architectural Design and Potential Functional Applications

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