The electrochemical properties of different structural graphene types are discussed as lithium-ion batteries and supercapacitors. Future challenges and current progress beyond graphene as an energy storage material have been highlighted.Kunfeng Chen 1
In the study, the dopant strategy is utilized to construct nitrogen/sulfur-doped non-graphitized carbon (N-NGC or S-NGC) shell decorated on three-dimensional graphene foam (GF) as a self-support electrode. The highly disordered microstructures of heteroatom doped carbons are produced by applying ...
Ultrathin two-dimensional nanosheets of layered transition metal dichalcogenides (TMDs) are fundamentally and technologically intriguing. In contrast to the graphene sheet, they are chemically versatile. Mono- or few-layered TMDs — obtained either through exfoliation of bulk materials or bottom-up synthe...
but not always chemistry. We hear about their work in “plastic electronics” that leverage biological materials and consider sustainability aspects while delivering results. We also hear about their exciting work using graphene to produce digitized materials that can code information about how they’re...
Graphene is a type of promising electrode material for high-energy and high-power density supercapacitors,but its electrochemical performance is greatly limited by the restacking problem.In this work,we reported a facile approach to synthesis graphene with chemically bonded vanadium oxide (VOx) nanoparti...
The low ecological footprint of chitosan and nano-chitosan makes them safer for sustainable farming practices compared to certain nano-metals, which pose risks to soil microbes and plant health in the long term. Nano-chitosan provides enhanced properties such as greater surface area, improved ...
Failure of nielsen-ninomiya theorem and fragile topology in two-dimensional systems with space-time inversion symmetry: application to twisted bilayer graphene at magic angle. Phys. Rev. X 9, 021013 (2019). CAS Google Scholar Song, Z.-D. et al. All magic angles in twisted bilayer graphene...
(–175°C), the monolayer was sandwiched between twographene layersto enhance the radiation resistance. They observed weak but clear diffraction spots at 2.7nm−1(∼0.37nm) and 4.5nm−1(∼0.22nm), corresponding to the cavity of the porphyrin units (∼0.4nm) and benzene and dihydroxy...
Three major strategies are described in detail, including the use of carbon materials (carbon nanotubes, graphene, carbon fiber, metal-organic frame-work (MOF) derived host, etc.) as Zn plating/stripping substrates, as protective coating layers on Zn, and as electrolyte additives. Finally, the ...
Here, an efficient bifunctional oxygen catalyst, PPcFeCo/3D-G, is obtained through π-π interaction between the conjugated polymerized iron-cobalt phthalocyanine (PPcFeCo) with excellent thermal stability and three-dimensional graphene (3D-G). The bimetallic synergistic effect of PPcFeCo, verified ...