Flexible Asymmetric Supercapacitors Based on Nitrogen-Doped Graphene Hydrogels with Embedded Nickel Hydroxide Nanoplates.
Sign Up to like & getrecommendations! Published in 2017 at "ChemSusChem"
DOI: 10.1002/cssc.201600150
Abstract: To push the energy density limit of supercapacitors (SCs), new electrode materials with hierarchical nano-micron pore architectures are strongly desired. Graphene hydrogels that consist of 3 D porous frameworks have received particular attention but their capacitance… read more here.
Keywords: flexible asymmetric; graphene hydrogels; asymmetric supercapacitors; doped graphene ... See more keywords
3D porous oxygen-enriched graphene hydrogels with well-balanced volumetric and gravimetric performance for symmetric supercapacitors
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science"
DOI: 10.1007/s10853-020-04881-3
Abstract: 3D porous oxygen-enriched graphene hydrogels (POGHs) have been successfully prepared via a one-step hydrothermal approach with graphene oxide and a tiny amount of acidic glutamic acid which serves as carboxyl source, reductant, nitrogen dopant, as… read more here.
Keywords: oxygen; graphene hydrogels; porous oxygen; oxygen enriched ... See more keywords
Construction of 3D CoO Quantum Dots/Graphene Hydrogels as Binder-Free Electrodes for Ultra-high Rate Energy Storage Applications
Sign Up to like & getrecommendations! Published in 2017 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2017.05.042
Abstract: Abstract We have developed binder-free electrode materials composed of CoO quantum dots on three-dimensional (3D) graphene hydrogels. The CoO quantum dots with size of only 3 ∼ 6 nm are uniformly decorated onto the surface of graphene, then… read more here.
Keywords: graphene hydrogels; dots graphene; coo quantum; energy storage ... See more keywords
Application of three-dimensional graphene hydrogels for removal of ofloxacin from aqueous solutions
Sign Up to like & getrecommendations! Published in 2019 at "Environmental Nanotechnology, Monitoring and Management"
DOI: 10.1016/j.enmm.2019.100274
Abstract: Abstract Antibiotics widely use around the world. There is an increasing demand for the removal of antibiotics from water due to their toxicity to living beings and the adsorption process regarded as a promising method… read more here.
Keywords: graphene hydrogels; graphene hydrogel; removal ofloxacin; graphene ... See more keywords
A Comparison of graphene hydrogels modified with single-walled/multi-walled carbon nanotubes as electrode materials for capacitive deionization.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of colloid and interface science"
DOI: 10.1016/j.jcis.2018.02.019
Abstract: Capacitive deionization (CDI) is a technology used to remove salt from brackish water, and it is an energy-saving, low-cost method compared with other methods, such as reverse osmosis, multi-stage ash distillation and electrodialysis. In this… read more here.
Keywords: graphene hydrogels; walled carbon; carbon nanotubes; capacitive deionization ... See more keywords
Cu NPs-embedded cross-linked microporous 3D reduced graphene hydrogels as photocatalyst for hydrogen evolution.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of colloid and interface science"
DOI: 10.1016/j.jcis.2020.05.068
Abstract: Three-dimensionally (3D) structured Cu nanoparticles (NPs)-embedded graphene hydrogels were synthesized from inexpensive graphite and low-cost copper acetate by a novel self-assembly and in-situ slow-release photoreduction method. The cross-linked microporous 3D reduced graphene oxide framework ensures… read more here.
Keywords: graphene hydrogels; nps embedded; graphene; cross linked ... See more keywords
Melamine modified graphene hydrogels for the removal of uranium(VI) from aqueous solution
Sign Up to like & getrecommendations! Published in 2017 at "New Journal of Chemistry"
DOI: 10.1039/c7nj01927k
Abstract: Melamine-modified graphene hydrogels (MA–GH) were successfully synthesized through a simple one-step method. The three-dimensional (3D) porous network of the graphene hydrogel composite was functionalized using melamine with multiple nitrogen-containing functional groups. Based on its unique… read more here.
Keywords: graphene hydrogels; melamine modified; modified graphene; uranium aqueous ... See more keywords
High Performance of Functionalized Graphene Hydrogels Using Ethylenediamine for Supercapacitor Applications
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Chemistry"
DOI: 10.3389/fchem.2022.854666
Abstract: High-performance supercapacitor (SC) electrodes typically require excellent rate capabilities, long cycle life, and high energy densities. In this work, ethylenediamine (EDA) functionalized graphene hydrogels (FGHs) with a high capacitor performance were prepared from graphene oxide… read more here.
Keywords: functionalized graphene; supercapacitor; graphene hydrogels; high performance ... See more keywords