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Graphene oxide nanosheets can be assembled into multifunctional graphene aerogels for sensing and energy storage applications. However, due to strong van der Waals forces, reduced graphene oxide nanosheets often stack together, significantly compromising their performance. Here, we demonstrate high-performance
Using graphene oxide in the synthesis of graphene aerogels (GAs). • Methods include: chemical and hydrothermal reduction, polymerization, and 3D printing. •
High-Quality Anisotropic Graphene Aerogels and Their Thermally Conductive Phase Change Composites for Efficient Solar–Thermal–Electrical Energy Conversion. ACS Sustainable Chemistry & Engineering 2023, 11 (32), 11991-12003.
Graphene aerogels exhibited great application as electrodes for the energy storing devices due to their characteristics like light weight nature, porosity, astonishing electrical conductivity and the chemical stability [28, 29].
Section snippets Materials Polyvinyl alcohol (PVA1799) was supplied by Hefei BASF Biotechnology Co., Ltd. Graphene Oxide water dispersion (5 mg/mL) was purchased from Suzhou TANFENG graphene Tech Co., Ltd. Boric acid (H 3 BO 3) and L-ascorbic acid (L-AA) was purchased from Xilong Scientific Co., Ltd. Reagent grade PEG
Phase change energy storage technology provides a viable option for the use of solar energy; however, its potential shortcomings such as low thermal conductivity, phase change leakage, and fire hazards have led to defective applications. In this paper, graphene/boron nitride (GB) aerogels with dual thermal conductivity networks are constructed using
By utilizing PCM as a storage medium in solar energy storage, the mismatch between time and space of solar energy can be solved. Polyethylene glycol (PEG) is a type of organic solid–liquid PCM (Cao et
Supercapacitors are a kind of highly efficient energy-storage device with long cycle life and high power density, however, their specific capacitance is insufficient for further application and development. In this work, a novel composite with one-dimensional (1D) NiCo 2 O 4 nanowire arrays (NiCo 2 O 4-NWA) vertically supported on three
Polyethylene glycol/graphene oxide aerogel shape-stabilized phase change materials for photo-to-thermal energy conversion and storage via tuning the oxidation degree of graphene oxide Energy Convers. Manag., 146 ( 2017 ), pp. 253 - 264
Carbon and polymer reinforced nanofibrous aerogels have been paying attention these days due to their practical applications in the arena of energy conversion and storage. Beside energy-related applications, aerogels
Hybrid graphene aerogels/phase change material composites: thermal conductivity, shape-stabilization and light-to-thermal energy storage Carbon, 100 ( 2016 ), pp. 693 - 702 View PDF View article View in Scopus Google Scholar
Fang et al. [19] infiltrated 1-hexadecanol into graphene-based carbon aerogel (CA) to prepare a form-stable PCM for thermal energy storage. The results showed a thermal conductivity enhancement of 107.9% and 29.5% along the x-y and z directions, respectively, for a CA loading of nearly 2 wt%.
1. Introduction Supercapacitors are one kind of key energy-storage devices because of their considerably higher power density, more favorable charge-discharge rates, and superior cycle efficiency compared with Li-ion
Leveraging graphene aerogels as carriers offers innovative avenues for achieving enhanced energy density, thermal conductivity, and stability in energy storage materials due to their unique attributes. This study investigates the thermal transport properties of composite sulfur cathode materials and phase ch.
Herein, hierarchical-graphene-coupled PANI aerogels were prepared through the assembly of GO and GO-coupled PANI nanosheets (GO@PANI) by hydrothermal treatment. The resultant aerogels exhibited a typical 3D porous structure with a high specific 2 /g.
The unique structural and morphological features of graphene aerogels allowed them to achieve high energy storage performance. The graphene aerogel
3D-printed rGO-based energy storage devices are holistically summarized from material design to process modulation, and further towards performance optimization. • Supercapacitor and battery systems are discussed in detail from three aspects, i.e., material selection criteria, device configurations, and manufacturing technologies.
W. Dan, W. Chunxian, J. Gan, S. Xinxin, X. Yuhui, Lignin-assisted construction of well-defined 3D graphene aerogel/PEG form-stable phase change composites towards efficient solar thermal energy storage, Solar Energy Materials and Solar Cells 224 (2021), doi
Phase change energy storage technology provides a viable option for the use of solar energy; however, its potential shortcomings such as low thermal conductivity, phase
Aerogels and electrical energy storage. Aerogels are highly porous networks of nanoparticles that have long been prized for their exceptionally high surface area. However, their use in electrochemical energy storage devices (EESDs) did not begin until the development of carbon aerogels (CAs) in the late 1980s.
This review aims to summarize the synthetic methods, mechanistic aspects, and energy storage and conversion applications
and solar cells serve as eco-friendly energy storage and conversion systems vitally important for the Graphene aerogels for efficient energy storage and conversion Volume 11 Number 4 April
Concerns over air quality reduction resulting from burning fossil fuels have driven the development of clean and renewable energy sources. Supercapacitors, batteries and solar cells serve as eco-friendly energy storage and conversion systems vitally important for the sustainable development of human society.
High-performance energy storage and conversion materials derived from a single metal–organic framework/graphene aerogel composite Nano Lett, 17 ( 2017 ), pp. 2788 - 2795 CrossRef View in Scopus Google Scholar
Highlights Graphene aerogel (GA) nanostructures synthesized from commercial graphite were controlled successfully. A hydrothermal method was used to synthesize GAs. No binders were used. Effects of fabrication conditions and graphene oxide concentration on the GA nanostructures were quantified. A maximum BET surface area
Aerogels are 3-D nanostructures of non-fluid colloidal interconnected porous networks consisting of loosely packed bonded particles that are expanded throughout its volume by gas and exhibit ultra-low density and high specific surface area. Aerogels are normally synthesized through a sol–gel method followed by a special
Graphene oxide nanosheets can be assembled into multifunctional graphene aerogels for sensing and energy storage applications. However, due to strong
Reduced graphene oxide based composite aerogels for energy storage and transportation of methane Author links open overlay panel Anastasia Memetova a, Inderjeet Tyagi b, Pratibha Singh c, Elena Neskoromnaya a, Rama Rao Karri d, Andrey Zelenin a, Nariman Memetov a, Alexander Babkin a e, Roman Stolyarov a, Nikolay
Graphene aerogel (GA) as one of the innovative carbon nanostructured materials is superior with flexibility, strong mechanical strength, lightweight, high porosity and excellent durability, which attracted wide research interests and fulfill the requirements for various novel applications in energy conversion and storage, sensor, thermal
These advantages lead to aerogels'' wide applications such as thermal insulation, adsorption and separation, photoelectricity catalysis, energy storage and transformation, sound absorption, as well as sound insulation. Among the aerogels, graphene-based aerogels (GBAs) have attracted much attention in recent years.
Leveraging graphene aerogels as carriers offers innovative avenues for achieving enhanced energy density, thermal conductivity, and stability in energy storage materials due to their unique attributes. This study investigates the thermal transport properties of composite sulfur cathode materials and phase change materials based on
Summary. Aerogels are highly porous three-dimensional networks, which have attracted significant research interest in recent years due to their remarkable and unique microstructural characteristics. These characteristics serve as the main source for a wide range of potential applications. In addition, there has been a rise in energy
authors present a COF/reduced graphene oxide aerogel which is synthesized by growing COF during a molecular separations 7,8, energy storage 9, photocatalytic water splitting 10, light
Elastic, and Durable Graphene Aerogels for Energy Storage Devices under Limiting Conditions Jin-Yong Hong, Jin-Yong Hong School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 440–746 Korea Department of Electrical, 02139
To resist the energy crisis and increasingly environmental pollution, there is a great demand for the development of sustainable materials for use in high-performance energy storage devices and environmental applications. However, it is a great challenge to realize both ultrahigh power density and high energy density in symmetric
To enhance the thermal performance of PCMs, with the help of graphene oxide (GO) acting as a dispersing agent, well-defined hybrid graphene aerogels (HGAs) with a three-dimensional (3D) porous structure were successfully synthesized by hydrothermal reaction of GO and graphene nanoplatelets (GNPs).
The development of energy storage materials is critical to the growth of sustainable energy infrastructures in the coming years. Here, a composite phase change material (PCM)
Spontaneous assembly of nanoscale building blocks into three-dimensional (3D) frameworks is a vital strategy for practical application in environmental remediation, energy storage/conversion, sensing devices, etc. Herein we report an environmentally friendly, low cost, and easy to scale-up route to synthesize reduced graphene oxide (rGO)
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