rare earth energy storage luminous coating
Carbon coating with different carbon sources on rare earth hydrogen storage …
Abstract. The rare earth hydrogen storage alloy was coated with the same contents of carbon particles using sucrose, glucose, pitch, and chitosan as carbon sources, and compared with the samples of uncoated and mechanically mixed with the carbon powder. The results show that the maximum discharge capacity (C max ), high-rate …
Boosting the down-shifting luminescence of rare-earth nanocrystals for biological imaging beyond 1500 nm
Here, the authors synthesize rare earth down-converting nanocrystals as promising fluorescent probes for in ... Su, Q. et al. The effect of surface coating on energy migration-mediated ...
A universal multifunctional rare earth oxide coating to stabilize …
A universal multi-electron surface engineering strategy has been developed to enhance the lithium storage performance of high-voltage high-nickel low-cobalt LiNi 0.6 Co 0.05 Mn 0.35 O 2 cathode by taking advantage of the dual functions (physical passivation and charge compensation) of the rare earth oxide functional coatings. ...
A universal multifunctional rare earth oxide coating to stabilize …
Even in full cells, the benefits brought by the rare earth oxide coating could still be maintained and a high energy density of 262 Wh kg −1 could be realized. The findings here bring new opportunities to make high-voltage high-nickel low-cobalt materials as practical cathodes to further boost the energy density of lithium-ion batteries.
Recent Advances in NIR or X-ray Excited Persistent Luminescent …
Due to their persistent luminescence, persistent luminescent (PersL) materials have attracted great interest. In the biomedical field, the use of persistent luminescent nanoparticles (PLNPs) eliminates the need for continuous in situ excitation, thereby avoiding interference from tissue autofluorescence and significantly improving the …
Rare earth incorporated electrode materials for advanced energy storage …
Schematic illustration of energy storage devices using rare earth element incorporated electrodes including lithium/sodium ion battery, lithium-sulfur battery, rechargeable alkaline battery, supercapacitor, and redox flow battery. Standard redox potential values of rare earth elements. The orange range indicates the potential range of …
Acrylic acid type energy stroage and liminous water paint and its …
The aquosity acrylic acid energy storage luminous coating of the present invention has the advantages of no toxicity, no harm and environmental protection and has strong irradiance brightness after irradiated by natural light, lamp light, etc. Irradiance persistence ...
Review on long afterglow nanophosphors, their mechanism and …
From XPS it was noted that the 5d energy levels of rare earth ions occurs in close proximity to conduction band minima and 4f-energy levels were found above valance band maxima. It was evident from EPR measurement carried out for SrAl 2 O 4 :Eu 2+ that there is a decrease in the Eu 2+ ions concentration after UV excitation and it …
Non-radioactive environment protective energy storage luminous …
The present invention relates to a non-radioactive environment-protecting energy-storing luminous plastic mother granule, and is characterized by that the rare earth luminous material is added into the plastic raw material, the weight ratio of plastic raw material and ...
Rare Earth Luminescence: Electronic Spectroscopy and …
2. Electroluminescence: Emission by recombination of electrons and holes under the influence of an electric field. 3. Radioluminescence: Luminescence that results from bombardment of the materials by various particles other than light, such as electrons, alpha particles (ions), X-rays, γ-rays, etc. 4.
Rare Earth Luminescent Nanomaterials and Their Applications
This chapter introduces the two types of rare earth luminescent nanomaterials: Upconversion nanoparticles (UCNPs) and downconversion nanoparticles (DCNPs). The overview will discuss the development, mechanism, composition, synthesis, characterization, UC emission tuning, and application of UCNPs.
Coated rare earth-activated luminous alkali earth metal aluminate …
The present invention relates to a coated alkaline earth metal aluminate luminescent material activated by rare earth and a preparing technology thereof. The coated luminescent material is composed of a coating layer and a luminescent base body. The technology ...
Synthesis techniques and applications of rare earth metal oxides …
Rare earth metal oxide semiconductors (REMOSs), rare earth sulphides, rare earth hydroxides, and their composites are currently the most investigated rare earth based nanomaterials. Environmentally safe, cost-effective, and scalable synthetic techniques can be used to make rare-earth based nanomaterials with substantial electrochemical …
A Comprehensive Review on Mechanisms and Applications of Rare-Earth …
In 2017, Song et al. successfully incorporated various rare earth ions (Ce 3+, Sm 3+, Eu 3+, Tb 3+, Dy 3+, Er 3+, and Yb 3+) into CsPbCl 3 perovskite nanocrystals. They also observed the quantum cutting effect induced by defect states, facilitated by the doping of Yb 3+ .
Upconversion Luminescent Materials: Properties and …
Abstract. The upconversion (UC) luminescent materials typically refer to the materials doped with rare earth (RE) ions or transition metal ions as the luminescence centers, among which the lanthanides ions possess superior UC efficiency. UC luminescence (UCL) is a kind of anti-Stokes process, which absorbs two or more photons …
Preparation and photochromic properties of phosphomolybdic acid/rare earth strontium aluminate luminous …
Here, the emission peak at 520 nm originate from the 5d electron energy level of rare earth Eu 2+, this energy level can form many metastable energy levels with different trap depths. Moreover, previous literature found that different trap depths can absorb photons with corresponding energy to generate multiple continuous absorption …
Study on preparation and properties of energy-storing self-luminous …
The hardness of energy storage self-luminous plastics was between 10–100HA, which was meeting the requirements of medium hardness plastics, and could be further applied to luminous labels. The uniformity of the plastic was not affected by the addition of edible pigments, and the daytime color effect of the energy-storing self …
Red Emitting Phosphors for Display and Lighting Applications
The red phosphors should emit intense red light in the wavelength region 580–700 nm. For general illumination applications the broader emission spectra are desired to realize high CRI whereas for panel and indicating lighting, the phosphors should have narrow emissions to attain wide color gamut.
Method for producing attapulgite energy storage luminous paint
The attapulgite energy storage luminous paint consists of purified attapulgite, strontium aluminate, nitrodope, banana oil, rutile type titanium dioxide and simethicone. The attapulgite energy storage luminous paint has the characteristics of tough painting film, strong adhesive force, high weather resistance, remarkable luminous effect, stable …
CN1515647A
The present invention provides an energy-stored luminescence agen of luminous paint and its preparation method. The grain size of rare earth silicate or rare earth aluminate adopted by said invention is in the nano-grade range, and the surface of the rare earth silicate or rare earth aluminate is covered with a layer of water-proof layer.
Rare-earth phosphate noctilucence powder coating
The invention discloses a rare-earth phosphate noctilucence powder coating. The coating is prepared from, by weight, 60-70 parts of basis resin, 10-20 parts of fillers, 10-15 parts of curing agents, 2-5 parts of auxiliaries and 5-10 parts of rare-earth phosphate. All the ...
Optically Transparent Polymer Coating Embedded with IR Reflective Rare Earth Yellow Pigment:
The NIR reflectance and colour coordinate values of the pigment and coating NIR Reflectance Colour coordinates @ 700-1100 nm L* a* b* Rare earth Pigment 82% 82.86 -3.72 48.57 Pigment coating 32% 60.04 …
A universal multifunctional rare earth oxide coating strategy to …
A schematic diagram illustrates the rare earth composite coating modification process, accomplished through a simple liquid-phase mixing and solid-phase annealing method (Fig. 1 a).The pristine NCM811 samples were mixed with nano-CeO 2 ethanol dispersion using a high-speed homogenizer, creating a viscous slurry with nano …
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