polyacid functionalized energy storage
روابط عشوائية
Significantly improved dielectric and energy storage behavior of …
The effect of incorporation of amine group (-NH 2) to the surface functionalized CaCu 3 Ti 4 O 12 (CCT) nanoparticles in polyvinylidene fluoride (PVDF) has been studied. The thick nanocomposite films (PVDF-8FCCT and PVDF-8CCT) containing of 8 vol% loading of surface functionalized and non-functionalized CCT nanoparticles …
يتعلم أكثرHighly Efficient Recovery of Uranium from Seawater Using an ...
A novel strategy for efficient uranium extraction and energy storage: Uranium extraction cell. Separation and Purification Technology 2024, 339, ... Covalent organic frameworks functionalized electrodes for simultaneous removal of UO22+ and ReO4- with fast kinetics and high capacities by electro-adsorption. Journal of Hazardous …
يتعلم أكثرExcellent high-temperature dielectric energy storage of flexible all ...
However, the energy storage performances of these polymers degrade dramatically at high temperatures and high electric fields. For example, for PEI with a high T g of 217 °C, the charge‒discharge efficiency at 400 MV/m decreases seriously from 93.6% to 25.9% as the temperature rises from room temperature (RT) to 150 °C [11]. This is …
يتعلم أكثر[PDF] Oxidatively stable polyaniline:polyacid electrodes for ...
We demonstrate that the polyaniline:polyacid electrode stores 230 mA h g(-1) of polyaniline for over 800 cycles, far surpassing homopolymer polyaniline under equivalent conditions. …
يتعلم أكثرOn the stability of polyaniline/carbon nanotube ...
The use of functionalized polyaniline composites in the development of clean energy storage devices giving special attention to supercapacitors is also discussed in detail. The recent advances, prevailing challenges, and future prospects in the area of functionalized polyaniline composites are also described in this chapter.
يتعلم أكثرHigh-Performance Flexible Solid-State Carbon Cloth
The content of PANI is maximized under the constraint of still allowing defect-free coatings on filaments of carbon cloth (CC). The …
يتعلم أكثرSpray-On Polyaniline/Poly(acrylic acid) Electrodes with Enhanced ...
Polyaniline (PANI)-based electrodes are promising candidates for energy storage, but their cycle life remains poor. Recent work suggests that secondary interactions may enhance polyaniline''s electrochemical stability and cycle life, but evidence to date is not conclusive.
يتعلم أكثرCore-shell structured polyethylene glycol functionalized graphene …
Polydispersed graphene was synthesized by grafting a thin layer of water-soluble amine functionalized polyethylene glycol monomethyl ether (PEG-NH 2).PEG-NH 2 functionalized graphene (PEG@rGO) was then introduced into epoxy resin via a facile solution mixing method. Fourier-transform infrared (FTIR) spectroscopy, X-ray …
يتعلم أكثرHigh energy storage density and efficiency achieved in
Finally, it is experimentally demonstrated that deeper charge traps can be obtained in slightly crosslinked trifluoro-phenyl functionalized epoxy films, resulting in an energy storage density of 3.31 J/cm 3 and a high energy storage efficiency of …
يتعلم أكثرPoly(ionic liquid)-functionalized graphene oxide towards ambient ...
Single-ion conductors functionalized graphene oxide enabling solid polymer electrolytes with uniform Li-ion transport toward stable and dendrite-free lithium metal batteries. ... Fast charging enables batteries to rejuvenate in a fraction of time, which is critical for the next-generation energy storage devices. However, the increased …
يتعلم أكثرMetal–organic framework functionalized poly-cyclodextrin …
The obtained PANI@UiO-66/poly-CD membranes are used as free-standing electrodes towards use in wearable energy-storage devices. About. Cited by. Related. Download options Please wait... Supplementary files ... Metal–organic framework functionalized poly-cyclodextrin membranes confining polyaniline for charge storage R. …
يتعلم أكثرNanostructured Poly(3,4-ethylenedioxythiophene) Coatings on ...
Conducting polymers rise among some of the most promising transparent supercapacitor electrode materials due to high conductivity, environmental stability, light weight, and ease of synthesis. A major challenge for depositing conducting polymers on a glass substrate is the lack of molecular interactions between organic and inorganic …
يتعلم أكثرHigh energy storage density and efficiency achieved in dielectric …
@article{Mao2022HighES, title={High energy storage density and efficiency achieved in dielectric films functionalized with strong electronegative asymmetric halogen-phenyl groups}, author={Jiale Mao and Shuang Wang and Yonghong Cheng and Bing-yang Xiao and Lei Zhang and Ding Ai and Yu Chen and Wenjie Sun and Jiaming …
يتعلم أكثرPyrene-functionalized tetraphenylethylene polybenzoxazine for ...
We synthesized the new pyrene-functionalized tetraphenylethylene benzoxazine monomer (TPEP-BZ) through 1,1,2,2-tetra(3-formyl-4-hydroxyphenyl)ethylene with 1-aminopyrene through Schiff base reaction, reduction with NaBH 4 and then ring-closing with paraformaldehyde in a mixture of 1,4-dioxane and absolute EtOH. DSC, …
يتعلم أكثرPolyacid functionalized cellulose nanofiber membranes for …
1. Introduction. Global fresh water demand continues to rise because of population growth, urbanization, food and energy security policies, macro-economic processes such as trade globalization, changing diets and increasing agriculture consumption, and climate change [1].For example, both water withdrawal and …
يتعلم أكثرPoly(lactic acid)/Functionalized Silica Hybrids by Reactive
The glass transition temperature of the hybrids tended to decrease with increasing TEOS contents, while the degrees of crystallinity increased to about 57% according to TEOS contents. The complex viscosity and storage modulus of PLA/silica hybrids were enhanced clearly compared to that of neat PLA.
يتعلم أكثرImproving dielectric properties and energy storage …
The maximal energy storage density of 5.1J/cm 3 is obtained at 2700 kV/cm in the nanocomposite films with 5 vol % PVP modified ST NP, which is 182% higher than that of the pure PVDF. And the efficiency of the nanocomposites with 5 vol % PVP modified ST NP is higher than 80.7% at electric fields below 1000 kV/cm and still higher …
يتعلم أكثرEnhancement thermal stability of polyetherimide-based
Improving thermal stability of high-performance polymer-based nanocomposite films for electrical energy storage is essential to meet ever-increasing demands for the electrical industry, especially at harsh environment applications. Here, the polyetherimide (PEI)-based composites films are prepared via grafting method in the …
يتعلم أكثرImproved energy storage density of composite films based on …
The chemical composition of both unmodified and functionalized GO was determined by XPS. As shown in Fig. 3, SPEN@GO exhibits three new peaks at 399.1, 231.4 and 169.8 eV compared with GO, which corresponding to the N1s, S2s and S2p peaks respectively.Furthermore, from the Fig. 3 f it can be inferred that the peak of S2p …
يتعلم أكثرBio-based poly (lactic acid)/high-density polyethylene
As an emerging energy storage material, phase change materials (PCMs), have attracted considerable attention over the past decades due to their high energy storage density, environmental friendliness and recyclability [1], [2], [3]. On the basis of the phase change method, PCMs can be generally divided into four categories: namely, solid …
يتعلم أكثرNanostructured Poly(3,4-ethylenedioxythiophene) Coatings on ...
We present a synthetic approach by covalently linking poly (3,4-ethylyenedioxythiophene) (PEDOT) and glass through Friedel-Crafts alkylation on a self-assembled diphenyldimethoxysilane monolayer. This method obviates the need for a conductive FTO or ITO coating, enabling the fabrication of current collector-free planar …
يتعلم أكثرEnergy Storage Materials
The symmetrical Li//Li cells enable over 1800 h cycling, and the LiFePO 4 //Li full solid-state batteries deliver high capacity retention (>80%) over 300 cycles at 0.5 …
يتعلم أكثرSiloxane-based polymer electrolytes for solid-state lithium …
In another example, Ren et al. reported a solid-state single-ion conducting electrolyte ( LiBSF) based on a comb-like siloxane polymer containing pendant lithium 4-styrenesulfonyl (perfluorobutylsulfonyl) imide and poly (ethylene glycol) side chains, giving a relatively high ionic conductivity of 3.77 × 10 −5 S cm −1 at 25 °C [ 88 ].
يتعلم أكثر1-Pyrenebutyric Acid Functionalized Reduced Graphene Oxide
Supercapacitors are a class of energy storage device which has high energy density and high power density. As a material with unique 2D structure as well as outstanding physical properties such as high electrical conductivity and large surface area, graphene demonstrates great potential to be the electrode material for supercapacitors.
يتعلم أكثرA carbon nanotube reinforced functionalized styrene–maleic …
In the wake of the global energy crisis, innovative materials are being developed to alleviate the energy shortage by utilizing the available sources sustainably. The present area of energy storage focuses on materials with high inherent conductivity. The extension of this approach to biocompatible polymers will provide the dual …
يتعلم أكثرPolymers for flexible energy storage devices
Flexible energy storage devices have received much attention owing to their promising applications in rising wearable electronics. By virtue of their high designability, light weight, low cost, high stability, and mechanical flexibility, polymer materials have been widely used for realizing high electrochemical performance and …
يتعلم أكثرMechanistic Aspects of the Functionalization of
DFT calculations revealed that the first step of EDA functionalization exhibits similar reaction energies for hydroxyl and epoxy groups. However, in regard to "stitching", hydroxyl and carboxyl groups …
يتعلم أكثرPolymers for flexible energy storage devices
We will first systematically summarize the different types of flexible energy storage devices, including supercapacitors and different types of batteries, then highlight the design requirements and representative applications of polymer materials in electrodes, electrolytes, separators, and packaging layers, and finally figure out key ...
يتعلم أكثرPolyoxometalate-Functionalized Nanocarbon Materials for Energy ...
Solutions for the sustainable energy conversion and energy storage are urgently demanded. As such, the development of advanced functional materials that allow efficient conversion of solar or electrical energy into storable energy, e.g., in the form of chemical bonds (e.g., H 2 ) is causing great attention from scientific and industrial ...
يتعلم أكثرOxidatively stable polyaniline:polyacid electrodes for electrochemical ...
Here we present a simple route to produce and prepare polyaniline-based electrodes that are oxidatively stable up to 4.5 V vs. Li/Li (+). The route uses a polyacid to stabilize the fully oxidized ...
يتعلم أكثرPoly(acid)-Functionalized Membranes to Sequester …
In recent years, there is a strong interest to sequester uranium from seawater as a sustainable source of nuclear fuel. In this work, ethylene glycol methacrylate phosphate-grafted membrane adsorbers …
يتعلم أكثرScalable Polyimide‐Poly(Amic Acid) Copolymer Based …
Here, the nanocomposites based on polyimide-poly (amic acid) copolymers with a very low amount of boron nitride nanosheets are designed and …
يتعلم أكثرElectrochemical energy storage applications of functionalized …
In this work, we have emphasized the synthesis of diverse technologies and the recent advancements in various functionalized carbon-based electrodes (nanocarbon [10], carbon aerogel [12], carbon nanofiber [13], carbon nanotube [14], fullerene [15] and graphene [16]) materials for applications in energy storage devices. Carbon aerogels …
يتعلم أكثرForm-stable polyethylene glycol/activated carbon composite
Latent heat energy storage materials based on the phase change materials (PCMs) provide a promising approach for efficient thermal energy management and utilization, because they can store and release thermal energy reversibly [1, 2].Owing to large thermal energy density and small temperature variation of PCMs, the research …
يتعلم أكثرOn the stability of polyaniline/carbon nanotube ...
Poor stability restricts the use of polyaniline as a transition-metal-free, high-capacity electrode material for electrochemical energy storage. To improve the durability, methods such as adding a carbonaceous support and thermal treatments have been suggested. Here, we combine both of these approaches and study their effects on …
يتعلم أكثرHigh-temperature polymer-based nanocomposites for high energy storage …
Electrostatic energy storage via capacitors has ultrahigh power density and ultrafast charge/discharge rate, making them possess unique advantage in the field of pulsed power systems [1,2,3,4,5,6,7] pared to ceramics, polymer dielectrics generally have magnitude higher electric breakdown strength and lightweight, mechanical …
يتعلم أكثرPolyaniline/Vanadium Pentoxide Layer-by-Layer …
Polyaniline (PANI) and V2O5 were combined using layer-by-layer assembly to form a hybrid electrode for electrochemical energy storage. The hybrid electrode displayed synergistic contributions from ...
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