Rare earth element-modified MOF materials: synthesis and photocatalytic applications in environmental remediation | Rare …
Metal–organic framework-like materials (MOFs) have been developed in the fields of photocatalysis for their excellent optical properties and physicochemical properties, including environmental remediation, CO2 photoreduction, water splitting, and so on. With their important roles in various fields, rare earth elements have received …
Microwave-assisted design and fabrication of rare earth doped …
In the recent advancement of energy storage, electrode materials delivering high energy density and the capability to deliver noteworthy power compared to batteries are considered to be promising materials. In this study, hierarchical-structured NiMoO 4 and various concentrations of Ce rare earth metal doped NiMoO 4 materials …
Recent Progress of Rare-Earth Doped Upconversion …
Therefore, the rare-earth doped UCNPs have abundant energy levels and several excellent spectroscopic characters such as, long lifetime emission, narrow bandwidth, etc. 15-17 In addition, rare-earth doped UCNPs have …
Rare-earth-containing perovskite nanomaterials: design, …
This review will systematically summarize the key points in the design, synthesis, property improvements and application expansion of RE-containing (including both RE-based …
Rare earth incorporated electrode materials for advanced energy storage …
In this review, we summarized RE incorporated electrode/electrolyte in five energy storage systems (lithium/sodium battery, lithium-sulfur battery, supercapacitor, nickel-zinc battery, and cerium redox flow battery). It can be concluded that the function of RE elements in these applications are very different.
Critical materials for electrical energy storage: Li-ion batteries
Electrical materials such as lithium, cobalt, manganese, graphite and nickel play a major role in energy storage and are essential to the energy transition. This article provides an in-depth assessment at crucial rare earth elements topic, by highlighting them from different viewpoints: extraction, production sources, and applications.
Life-Cycle Assessment of the Production of Rare-Earth Elements for Energy Applications: A …
Introduction Rare-earth elements (REEs) are comprised of the 15 elements that make up the lanthanide group of the periodic table and also include yttrium and scandium because of their similar physical and chemical properties (Castor and Hedrick, 2006; Gambogi and Cordier, 2010; Walters et al., 2010; Liao et al., 2013; Golev et al., 2014).
Remarkable low-temperature dehydration kinetics of rare-earth-ion-doped Ca(OH) 2 for thermochemical energy storage …
This work demonstrates the Ca(OH) 2 by rare-earth elements doping as a high-performance thermochemical energy storage material for solar thermal energy conversion and storage applications. The rare-earth-ion-dopped Ca(OH) 2 exhibit extremely low decomposition energy barrier, low onset temperature, fast dehydration …
Current status and perspectives of rare earth catalytic materials and catalysis …
Ceria catalysis. 1. Introduction. Rare earth (RE) elements contain the lanthanide elements with atomic number from 57 to 71, and scandium and yttrium, which have similar electronic structures and chemical properties to lanthanide elements. Rare earth elements possess 4 f orbitals without full electron occupancy and lanthanide …
Biological Applications of Rare-Earth Based Nanoparticles | ACS …
Attractive properties of rare-earth based nanoparticles include high photostability, absence of blinking, extremely narrow emission lines, large Stokes shifts, long lifetimes that can be exploited for retarded detection schemes, and facile functionalization strategies. The use of specific ions in their compositions can be moreover exploited for ...
Recent Progress of Rare-Earth Doped Upconversion Nanoparticles: Synthesis, Optimization, and Applications …
1 Introduction Fluorescence refers to a process in which some susceptible atoms (molecules) that emit electromagnetic radiation (light) from the excited states caused by some external stimulus such as light absorption, mechanical action, chemical reaction, etc. 1-4 As one type of fluorescence, photoluminescence represents a luminescence process, …
Pathways for greening the supply of rare earth elements in China
In this study, we focus on three processes that are most commonly used to produce rare earth metals. Light rare earths (La, Ce, Nd, Pr) make up over 90% of those produced in China, the majority of ...
The co-movement of fossil energy, new energy, rare earth, and …
Investors can leverage the predictability of co-movements between rare earth and energy stock markets to explore hedging and arbitrage opportunities by investing in the rare earth market. However, it is essential to acknowledge certain limitations in this study, which can be addressed and extended in future research.
Microencapsulation of n-dodecane into zirconia shell doped with rare earth: Design and synthesis of bifunctional microcapsules …
We have designed a new type of bifunctional microcapsules composed of an n-dodecane PCM (phase change material) core and a rare-earth-doped zirconia shell for photoluminescence enhancement and thermal energy storage and have synthesized a series of microcapsule samples through in-situ polycondensation in a non-aqueous …
Optical anti-counterfeiting and information storage based on rare …
In this review, we will explore the applications of rare-earth ion-doped photoluminescent materials in optical anti-counterfeiting and optical information storage, with a focus on the design of anti-counterfeiting schemes for different external stimuli, both individually and …
Rare earth element based single-atom catalysts: synthesis, characterization and applications in …
Rare earth element based single-atom catalysts: synthesis, characterization and applications in photo/electro-catalytic reactions Zhong Liang a, Leilei Yin a, Hang Yin b, Zongyou Yin * b and Yaping Du * a a Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, School of …
The story of rare earth elements (REEs): Occurrences, global distribution, genesis, geology, mineralogy …
Rare earth elements (REEs) including fifteen lanthanides, yttrium and scandium are found in more than 250 minerals, worldwide. REEs are used in various high-tech applications across various industries, such as …
Rational design of a metal–organic framework host for sulfur storage in fast, long-cycle Li–S batteries
Unlike an intercalation cathode, which has an intrinsic host structure made of redox metal sites allowing the transport of Li+/e−, sulfur as a conversion cathode requires an additional host to store and immobilize the mobile redox centers, polysulfides. Metal–organic frameworks (MOFs) as a class of highly po
Review Optical anti-counterfeiting and information storage based on rare-earth …
The relevant design solutions are still immature and are still a long way from commercial application [24,43]. Therefore, different anti-counterfeiting and information storage schemes based on rare-earth luminescence need to be explored and compared in detail to
Rare Earth Interface Structure Materials: Synthesis, Applications, …
The structural synthesis of rare earth interface materials guided by phase diagrams provides a material foundation for their different functional applications. Rare earth …
Design and Multi-Objective Stratified Optimization of a Less-Rare-Earth …
The price fluctuation and the unstable supply chain of rare-earth permanent magnet (PM) have posed potential risks for further application of rare-earth PM motors. To alleviate the consumption of rare-earth PM material, a less-rare-earth PM brushless motor with two types of PM materials is proposed in this paper. The key of this …
Rare earth incorporated electrode materials for advanced energy …
Schematic illustration of energy storage devices using rare earth element incorporated electrodes including lithium/sodium ion battery, lithium-sulfur battery, …
A Comprehensive Review on Mechanisms and Applications of …
Rare earth (RE) ions, with abundant 4f energy level and unique electronic arrangement, are considered as substitutes for Pb 2+ in perovskite nanocrystals (PNCs), …
Applications of Rare Earth Promoted Transition Metal Sulfides in …
With the rapid consumption of fossil fuels and the resulting environmental problems, researchers are working to find sustainable alternative energy and energy storage and conversion methods. Transition metal sulfur compounds have attracted extensive attention due to their excellent electrical conductivity, low cost, adjustable …
The effect of rare-earth oxides on the energy storage …
For energy storage ceramics, the BDS is an essential parameter to determine the maximum electric fields and energy storage performances for practical application. The BDS can be described by the Weibull distribution functions [ 52 ]: (6) X i = ln ( E i ) (7) Y i = ln ( − ln ( 1 − i 1 + n ) ) Where E i is the specific BDS of each sample, i …
Hydrogen storage in a rare-earth perovskite-type oxide La0.6Sr0.4Co0.2Fe0.8O3 for battery applications | Rare …
Recently, rare-earth perovskite-type oxides with the general formula ABO3 (A rare earth element, B transition metal, O oxygen) are regarded as promising materials for Ni/oxide batteries due to their hydrogen storage ability. In the present study, the hydrogen storage properties of the rare-earth perovskite-type oxide La0.6Sr0.4Co0.2Fe0.8O3 …
Technology development for rare earth cleaner hydrometallurgy in China | Rare …
China is the global leader in rare earth (RE) production using hydrometallurgical processes. Advantageous extraction techniques of rare earths from Baotou mixed rare earth minerals, bastnaesite, and ion-adsorption clays of rare earth deposits have been developed in China. The separation and purification technologies …
Rare Earth Elements: A Resource Constraint of the Energy Transition
Rare earth elements are widely distributed throughout the earth''s crust, but generally in low concentrations. The concentration of individual REEs depends on the type of mineral deposit being mined, and REEs are often found alongside radioactive elements such as thorium and uranium (Rhodes 2011).
Rare-earth-free propulsion motors for electric vehicles: A …
The challenge is to design rare-earth-free motors which are competitive with rare-earth PM motors in terms of efficiency and torque-speed characteristic. DC motors have been used in EVs propulsion systems, mainly due …
Rare earth alloy nanomaterials in electrocatalysis
By alloying with rare earth (RE) elements, electrons can be redistributed between RE elements and transition metal elements, achieving accurate design of the electronic structure of the active site in the alloy. Because of the unique electronic structure of RE, it has been paid attention in the field of catalysis.
Rare earth element based single-atom catalysts: synthesis, characterization and applications in …
Rare earth elements play an important role in various fields, which has attracted increasing interest from the scientific community. Meanwhile, single-atom catalysts show huge advantages in many aspects compared with traditional nanomaterials due to their 100% atomic utilization efficiency. Thus, the combina
Computer numerical simulations for accelerated design of rare earth permanent magnet motors in renewable energy applications…
This review discusses the recent progress of computer numerical simulations in REPM motor design for renewable energy applications, including FDM, FEM and BEM. The principles and current applications of these numerical methods in electromagnetic, structural and acoustics simulations are discussed in detail.
