the role of superhydrophobicity in energy storage
Low Energy Desalination via DCMD: The Role of Superhydrophobicity …
The role of superhydrophobicity on DCMD performance is assessed using polyvinylidenefluoride-co-hexafluoropropylene (PVDF-HFP) electrospun membrane sheet coated with tetrafluoroethylene oligomers (OTFE) particles followed with hot pressing. ... 5th International Renewable and Sustainable Energy Conference, IRSEC 2017 - Tangier, …
A Review of Recent Advances in the Development of Superhydrophobicity …
Superhydrophobicity: This review focuses on the various superhydrophobic surfaces like metal, fabrics, papers, sponges, foam, glass, wood, mesh, concrete and ceramic with selected examples. Following a general note on the theory of superhydrophobicity, techniques to develop superhydrophobicity on surfaces, …
Fundamentals of superhydrophobic surfaces
Apart from the surface energy, the topographic design of the surface plays a key role in converting a hydrophobic surface to a superhydrophobic surface (CA ≥ 150 degrees).As depicted in Fig. 2, the surface texture of a dual scale (micro and nano) roughness gives a pathway to create air pockets.These air pockets additionally with the …
The Challenge of Superhydrophobicity ...
In terms of energy, the elastic surface structure method relies on droplets as an energy storage mechanism (surface energy) during impact and recoil processes. The elasticity of the substrate increases so that the kinetic energy of the droplet is converted to surface energy and the elastic energy storage of the substrate, thereby replacing a ...
A review of the recent advances in superhydrophobic surfaces and the emerging energy …
Ice slurry has been adopted as both heat transfer fluid and energy storage medium in air condition system to improve the operating efficiency and reduce energy consumption [99], [100], [101]. Ice slurry is usually generated through the methods such as scraped surface generator [102], [103], [104], orbital rod ice slurry generator …
Bioinspired in situ repeatable self-recovery of superhydrophobicity …
Superhydrophobic surfaces (SHSs) have attracted extensive interest during the past decades due to their unique water repellency and numerous promising potential applications. 1,2 To achieve superhydrophobicity, combining of low surface energy materials with delicate three-dimensional (3D) structure construction on the micro …
Superhydrophobicity | SpringerLink
Superhydrophobicity. Superhydrophobicity is a surface phenomenon that indicates a very low affinity to water, and, in turn, the surface is very difficult to be wetted. A generally accepted definition of superhydrophobicity is to have a water contact angle above 150° and a start-rolling angle lower than 10° at room temperature and …
The Role of Energy Storage in the Path to Net Zero | Accenture
In brief. Our study explores how the energy transition is unfolding in the western United States and the role of storage to help provide grid flexibility. Collaborating with the University of California, Berkeley''s Renewable & Appropriate Energy Laboratory (RAEL), we assessed four scenarios to net zero. We found that scenarios relying on ...
Innovative design of superhydrophobic thermal energy-storage materials ...
Thermal energy-storage materials play a vital role in the sustainable development of economy and society with a rapid increase in energy demand, ... The superhydrophobicity means extreme water repellency due to a highly hydrophobic surface with a static water contact angle larger than 150° [29].
Large-Scale Fabrication of a Robust Superhydrophobic Thermal Energy …
We propose a facile and effective route for large-scale fabrication of a superhydrophobic thermal energy storage (STES) sprayable coating with heat storage capacity and superhydrophobicity based on polydivinylbenzene (PDVB) nanotubes (NTs). Herein, the STES coating was applied on wood by convenient …
A Review of Recent Advances in Superhydrophobic Surfaces and …
To further enhance the superhydrophobicity of stainless-steel surface, the samples treated with HF solution were dipped in a 0.1 wt.% NaCl solution at 100 °C for 3 h and 6 h, the FE-SEM images of the results shown in Figure 11, a petal-like hierarchical microstructure is generated on the sample surface, the water contact angle and sliding ...
Superhydrophobicity | SpringerLink
In this chapter, we review in detail the principles of superhydrophobicity, covering such topics as the effect of roughness on the contact angle and contact angle hysteresis (the difference between a maximum and a minimum possible value of the contact angle for a given surface), transitions between the homogeneous and composite wetting …
Innovative design of superhydrophobic thermal energy-storage materials by microencapsulation …
1. Introduction Thermal energy-storage materials play a vital role in the sustainable development of economy and society with a rapid increase in energy demand, because they not only can reduce fossil energy consumption by utilizing waste heat and solar thermal ...
Superhydrophobic Materials for Biomedical Applications
Superhydrophobic surfaces are actively studied across a wide range of applications and industries, and are now finding increased use in the biomedical arena as substrates to control protein adsorption, cellular interaction, and bacterial growth, as well as platforms for drug delivery devices and for diagnostic tools.
Superhydrophobic surfaces review: Functional application, …
Superhydrophobicity does not only mean a high contact angle but also a very low contact angle hysteresis (CAH), which is given by the difference of the advancing and receding contact angles formulated by a water drop on an inclined plane. ... biomedical microdevices and energy storage applications. Source: Reprinted with kind permission …
The role of fuel cells in energy storage
Using the H 2 O cycle as the energy storage medium, the RFC is elegantly simple in concept. Various other hydrogen couples have also been proposed that have advantages in specific applications, but the H 2 O cycle has highly acceptable performance characteristics suitable for broad use as a back-up, standby or premium power system …
Insights into the superhydrophobicity of metallic ...
In this work, we aim at resolving two important unclear issues in literatures on superhydrophobicity at metal surfaces: (i) if the adsorption of airborne hydrocarbons at micro/nanostructured metal surfaces plays an important role in their superhydrophobicity, and (ii) if the transition between superhydrophilicity and superhydrophobicity by UV-O ...
Superior self-cleaning surfaces via the synergy of superhydrophobicity ...
The appropriate combination of superhydrophobicity and photocatalytic activity can empower the functional surfaces to exhibit not only superior self-cleaning functionality against both inorganic and organic pollutants as mentioned above, but also extra excellent functionalities including antifouling, antibacterial, oil/water separation and …
Superhydrophobic Surfaces: Insights from Theory and Experiment
Biomimetic nanosurfaces with distinct wettability and versatility have found special enthusiasm in both fundamental research and industrial applications. With the advent of nanotechnology, it is doable to acclimate surface architecture and surface chemistry to attain superhydrophobicity. The uniqueness of superhydrophobic surfaces arises from …
Laser patterned titanium surfaces with superior antibiofouling ...
Superhydrophobic titanium surfaces with different line spacing (pitch) of 20, 50, 80 and 100 μm are fabricated using nanosecond laser patterning and their antibiofouling, superhydrophobicity, abrasion resistance and self-cleaning properties are studied. The surface morphology, surface profiles and surface roughness are obtained …
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