A reduced graphene oxide–borate compound-loaded melamine sponge/silicone rubber composite with ultra-high dielectric constant

Zhang, Hong; Ma, Chuanguo; Dai, Peibang; Zhang, Jian

doi:10.1039/c9ra00734b

Cited by 4 publications

(3 citation statements)

References 51 publications

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“…An insulator-to-conductor percolating transition was observed for both composites as the filler content was increased, which was explained by the interfacial polarization effect and the microcapacitor model. [45] A similar observation of high dielectric constants with moderate dielectric losses in MS (melamine sponge)/rGB/silicone rubber (SR) composites was reported by Zhang et al [52] Yaqoob et al investigated the impact of the presence of rGO in dielectric PVDF-BTO films. They reported a high dielectric constant and an energy density of 98 and 4.5 J cm À3 , respectively with a relatively low loss of 0.081 at 1 MHz for the PVDF-BTO-RGO 0.3 wt% sample.…”

Section: Reduced Graphene Oxide (Rgo)supporting

confidence: 56%

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2D‐Nanofiller‐Based Polymer Nanocomposites for Capacitive Energy Storage Applications

et al. 2023

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High-energy-density storage devices play a major role in modern electronics from traditional lithium-ion batteries to supercapacitors for a variety of applications from rechargeable devices to advanced military equipment. Despite the mass adoption of polymer capacitors, their application is limited by their low energy densities and low-temperature tolerance. Polymer nanocomposites based on 2D nanomaterials have superior capacitive energy densities, higher thermal stabilities, and higher mechanical strength as compared to the pristine polymers and nanocomposites based on 0D or 1D nanomaterials, thus making them ideal for high-energy-density dielectric energy storage applications. Here, the recent advances in 2D-nanomaterial-based nanocomposites and their implications for energy storage applications are reviewed. Nanocomposites based on conducting 2D nanofillers such as graphene, reduced graphene oxide, MXenes, semiconducting 2D nanofillers including transition metal dichalcogenides such as MoS 2 , dielectric 2D nanofillers including hBN, Mica, Al 2 O 3 , TiO 2 , Ca 2 Nb 3 O 10 and MMT, and their effects on permittivity, dielectric strength, capacitive energy density, efficiency, thermal stability, and the mechanical strength, are discussed. Also, the theory and machine-learning-guided design of polymer 2D nanomaterial composites is learnt and the challenges and opportunities for developing ultrahigh-capacitive-energy-density devices based on these nanofiller polymer composites are presented.

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Section: Reduced Graphene Oxide (Rgo)supporting

confidence: 56%

“…[53] There are other studies conducted to explore dielectric properties of rGO/polymer nanocomposites; however, their reported efficiencies were comparably low. [45,46,[48][49][50][51][52][53][54][55][56]…”

Section: Reduced Graphene Oxide (Rgo)mentioning

confidence: 99%

2D‐Nanofiller‐Based Polymer Nanocomposites for Capacitive Energy Storage Applications

et al. 2023

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“…Besides, compared with nanocomposites, the permittivity tended to increase more strongly, which may have been due to the relatively higher interfacial polarization in the microcomposite systems. Other nanofillers such as Al, copper calcium titanate (CCTO), reduced graphene oxide (rGO), and CNTs were also used [6][7][8][9]. Generally speaking, the addition of conductive nanofillers may have a positive effect on the improvement of dielectricity due to the constructed conductive pathway in the matrix [4,9,10].…”

Section: Introductionmentioning

confidence: 99%

Preparation of Novel Graphene/Silicone Rubber Nanocomposite Dielectric Foams

et al. 2022

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In order to obtain high dielectric silicone rubber (SR)-based nanocomposites, graphene (Gr) was added by ultrasonication and mechanical mixing for the preparation of a microporous structure. It was discovered that the Gr content and the expansion rate had a great impact on the cellular structure. Based on the effects of the Gr content and the expansion rate on the dielectric property, hybrid materials were prepared and better properties appeared, as expected. For all samples, the dielectric constant increased with the Gr content until 3 wt% and then decreased. When the Gr content was 3 wt% and the expansion rate was 2, the dielectric constant reached 18.14 (1 kHz), which was 55% higher than that of the non-expansion sample (11.74) and several times that of the pure sample (3~6). Meanwhile, the dielectric loss was less than 0.01. This work proposed a method for producing high dielectric materials with important applications in the field of capacitors, sensors, and micro-resistors.

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Improving in-plane and out-of-plane thermal conductivity of polyimide/boron nitride film with reduced graphene oxide by a moving magnetic field induction

Chi

et al. 2022

Composites Science and Technology

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A reduced graphene oxide–borate compound-loaded melamine sponge/silicone rubber composite with ultra-high dielectric constant

Abstract: A reduced graphene oxide–borate compound-loaded melamine sponge/silicone rubber composite with the ultra-high dielectric constant of 2.71 × 104.

Cited by 4 publications

References 51 publications

2D‐Nanofiller‐Based Polymer Nanocomposites for Capacitive Energy Storage Applications

2D‐Nanofiller‐Based Polymer Nanocomposites for Capacitive Energy Storage Applications

Preparation of Novel Graphene/Silicone Rubber Nanocomposite Dielectric Foams

Improving in-plane and out-of-plane thermal conductivity of polyimide/boron nitride film with reduced graphene oxide by a moving magnetic field induction

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