Sustainability applications of rare earths from metallurgy, magnetism, catalysis, luminescence to future electrochemical pseudocapacitance energy
This article reviews the applications of REs in traditional metallurgy, biomedicine, magnetism, luminescence, catalysis, and energy storage, where it is surprising to
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Rare earth elements (RRE), due to their unique magnetic, electrical, and optical properties, are an important group of elements demanded in many application areas from machine technology to the health industry. In this study, new composites were obtained by mixing Erbium oxide (Er2O3), one of the rare earth element oxides, into PCL–PEG
A Comprehensive Review on Mechanisms and Applications of Rare-Earth
Rare earth (RE) ions, with abundant 4f energy level and unique electronic arrangement, are considered as substitutes for Pb 2+ in perovskite nanocrystals (PNCs), allowing for partial or complete replacement of lead and minimizing environmental impact.
Rare Earth Oxides Based Composites for High Voltage
Rare earth (RE) oxides such as Nd 2 O 3, Y 2 O 3, and Eu 2 O 3 are used in conjunction with carbonous/conducting polymers matrix for high specific density and
Rare Earth-Doped MoS2 for Supercapacitor Application | Energy
The low availability of fossil fuels, high expenditure, and serious environmental impacts are the key to sustainable clean and green energy development. Molybdenum-based electrode materials are identified as effective electrodes to improve energy storage devices'' performances. In this work, pure and different rare earth
High entropy energy storage materials: Synthesis and application
MAX (M for TM elements, A for Group 13–16 elements, X for C and/or N) is a class of two-dimensional materials with high electrical conductivity and flexible and tunable component properties. Due to its highly exposed active sites, MAX has promising applications in catalysis and energy storage.
Sustainability applications of rare earths from metallurgy,
Rare Earths (REs) are referred to as ''industrial vitamins'' and play an indispensable role in a variety of domains. This article reviews the applications of REs in traditional metallurgy, biomedicine, magnetism, luminescence, catalysis, and energy storage, where it is surprising to discover the infinite poten RSC Sustainability Recent Review Articles Topic
BaTiO3-based ceramics with high energy storage density | Rare
BaTiO3 ceramics are difficult to withstand high electric fields, so the energy storage density is relatively low, inhabiting their applications for miniaturized and lightweight power electronic devices. To address this issue, we added Sr0.7Bi0.2TiO3 (SBT) into BaTiO3 (BT) to destroy the long-range ferroelectric domains. Ca2+ was introduced
Press Release | arpa-e.energy.gov
WASHINGTON, D.C. — In support of President Biden''s Investing in America agenda, the U.S. Department of Energy (DOE) today announced $63.5 million for four transformative technologies through the Seeding Critical Advances for Leading Energy technologies with Untapped Potential (SCALEUP) program. The four projects have
High‐Temperature Energy Storage Polymer Dielectrics for Capacitors
Dielectric capacitors are extensively used in grid-connected energy systems and modern microelectronics. The majority of existing dielectric polymers for capacitors, however, fail to meet the demanding requirements for
Emergence of relaxor behavior along with enhancement in energy storage performance in light rare-earth
Nano-sized light rare-earth (La, Pr, Nd, and Sm) doped Ba 0.90 Ca 0.10 Ti 0.90 Zr 0.10 O 3 ceramics were synthesized to enhance the energy storage performance. The Rietveld study of bare and doped samples has shown tetragonal crystal symmetry and a single-phase perovskite structure.
Multi-component assembly of luminescent rare earth hybrid materials
1. Introduction. Rare earth compounds-based optical materials have been widely used in areas of illumination, information display, light communication and so on. 1, 2 Because the photoluminescence properties of lanthanide ions (Ln 3+) mostly come from the f → f transitions of its 4f orbitals which are well shielded from the environment by the
Rare Earth metal oxide nanoparticle-infused polymer
Here, a fresh endeavor involves utilizing a set of semiconducting rare earth Gd 2 O 3 /conducting polymers (CP) (CP= polypyrrole, polyindole) for energy storage purposes.
Dielectric and energy storage performances of PVDF-based
The energy storage density of pure polymers is usually limited by their low intrinsic dielectric constants (ε eff) tegrating polymer matrix with ceramic particles with high ε eff values has been one powerful approach to enhance the ε eff values of polymer composites and thus their energy storage density. In this study, we report a flexible
Nanomaterials for optical data storage | Nature Reviews Materials
New solutions are needed to meet the growing demand for data storage systems with ultra-high capacity, ultra-long lifetime and ultra-low energy consumption. Nanomaterials, including metal
Rare-earth coordination polymer micro/nanomaterials: Preparation, properties and applications
Rare-earth coordination polymers (RECPs), as a family member of coordination polymers (CPs), have been prepared and studied widely. Thanks to their characteristic properties and functions, RECPs have already been used in various application fields ranging from catalysis to drug delivery. In recent years, CPs with
Proton-conducting oxides for energy conversion and storage
Proton-conducting oxides, or protonic ceramics, are emerging as potential next-generation materials for electrochemical energy conversion and storage 29,33,36–44 due to their low cost and high proton conductivity at intermediate temperatures (300–700 °C). Protonic ceramic materials primarily serve as electrolytes in electrochemical cells
Proton-conducting oxides for energy conversion and storage
Proton-conducting oxides, or protonic ceramics, are emerging as potential next-generation materials for electrochemical energy conversion and storage 29,33,36–44 due to their low cost and high proton conductivity at intermediate temperatures (300–700 C).
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However, the PMA-UO 2 and Eu salts did not show energy transfer even when a large excess of UO 2+ 2 was added to the polymer. The PMA salts are reported to have no ion aggregate structure; it is concluded that Eu 3+ and UO 2+ 2 ions were uniformly dispersed throughout the polymer system so that the distances between these ions were far
Rare-earth element
The rare-earth elements (REE), also called the rare-earth metals or rare earths or, in context, rare-earth oxides, and sometimes the lanthanides (although scandium and yttrium, which do not belong to this series, are usually included as rare earths), are a set of 17 nearly indistinguishable lustrous silvery-white soft heavy metals pounds containing
Synthesis of hierarchical structured rare earth metal–doped Co3O4 by polymer
In this study, hierarchical-structured Co3O4 nanocapsules and various rare earth metal (La, Nd, Gd, Sm)–doped Co3O4 materials were synthesized by a polymer-assisted combustion route. These rare earth metal–doped Co3O4 materials were tested as active electrode materials for high performance electrochemical supercapacitors. The Sm
A novel rare-earth luminescent coordination polymer showing
A new member of rare-earth coordination polymer based on H 2 L was successfully synthesized using a solvothermal method. The crystal structure, morphology
Rare-earth based nanomaterials and their composites as electrode
The emergence of energy crisis and greenhouse effect has prompted people to develop energy storage equipment with excellent performance. Supercapacitors (SCs), also
Sustainability applications of rare earths from metallurgy,
After 3000 cycles at 0.1 mA cm −2, the as-prepared CeO 2 still exhibits a high specific capacitance of 415 F g −1, an exceptional lithium storage capacity of 529 mA h g −1
Research progress of rare earth composite shielding materials
As an important strategic resource, rare earth plays an important role in the field of nuclear shielding materials. In this review, the shielding principles of rare earth materials are first introduced. According to the type of matrix, the characteristics and current research status of metal-based, inorganic non-metallic-based and polymer-based
Nanocomposites based on lanthanide-doped upconversion
As the EMU process is proposed, the UCL of rare-earth ions (Ce 3+, Gd 3+, Tb 3+, Dy 3+, Eu 3+, Sm 3+, and Sm 2+ ions) without suitable intermediate energy levels has been realized through the
Photofunctional Rare Earth Hybrid Materials Based on Polymer and Polymer
The introduction of rare earth ions or their complexes into polymer hosts has been carried out for a long time [1,2,3] general, there are four methods for preparing rare earth-fabricated polymers:[4,5,6,7,8,9,10] blending, polymerization, sol–gel methods, and solution mixing, which can be more simply classified as chemical and physical
Phosphate Polymer Nanogel for Selective and Efficient Rare Earth
Here, we developed a phosphate polymer nanogel (PPN) to selectively recover REEs from low REE content waste streams, including leached fly ash. A high phosphorus content (16.2 wt % P as phosphate groups) in the PPN provides an abundance of coordination sites for REE binding. In model solutions, the distribution coefficient ( Kd)
Redox-active polymers: The magic key towards energy storage – a polymer design guideline progress in polymer science
The prominent role of conductive polymers in the energy storage sector is superbly summarized in the more in-depth reviews of Novak and Nyholm [68, 69]. Overall, the second era was characterized by the fact that conjugated polymers opened up a new dynamic field of research − organic electronics − due to their novel redox properties.
Correlation of Oxygen Storage Capacity and Structural Distortion
Oxygen storage/release (OSC) capacity is an important feature common to all three-way catalysts to combat harmful exhaust emissions. To understand the mechanism of improved OSC for doped CeO2, we undertook the structural investigation by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), H2-TPR (temperature
Rare earth–Mg–Ni-based hydrogen storage alloys as negative electrode materials
This review is devoted to new rare earth–Mg–Ni-based (R–Mg–Ni-based) hydrogen storage alloys that have been developed over the last decade as the most promising next generation negative electrode materials for high energy and high power Ni/MH batteries.
Luminescence properties of rare earth complexes bonded to
YVO 4:Eu 3+ phosphors have been widely used in optoelectronic integration fields of its chemical and thermal stability. However, the excitation spectrum band of VO 4 3− is too narrow for high-efficiency luminescence, restricting its further development. Herein, flower-like and linear-like YVO 4:Eu 3+ hollow mesoporous spheres were synthesized
(): Rare earth incorporated
This review presents current research on electrode material incorporated with rare earth elements in advanced energy storage systems such as Li/Na ion battery, Li-sulfur
Advances and Perspectives for the Application of Perovskite
Perovskite oxides, with the general formula of ABO3, are considered as one of the promising candidates of electroactive materials for supercapacitors (SCs) as a result of their stable structure, rich oxygen vacancies, and highly reversible redox capability. According to the oxygen ion intercalation mechanism, the concentration of oxygen vacancy in perovskite
Research progress in rare earths and their composites based
Rare-earth electrochemistry is essential for advanced energy storage systems. Numerous attentions are paid towards the rare-earth: metals, oxides,
Sustainability applications of rare earths from metallurgy, magnetism, catalysis, luminescence to future electrochemical pseudocapacitance energy
Rare Earths (REs) are referred to as ''industrial vitamins'' and play an indispensable role in a variety of domains. This article reviews the applications of REs in traditional metallurgy, biomedicine, magnetism, luminescence, catalysis, and energy storage, where it is surprising to discover the infinite poten
BaTiO3-based ceramics with high energy storage density | Rare
The Earth is running out of non-renewable fossil energies such as natural gas, coal and oil, people are looking for new energy sources such as tidal energy, bioenergy, solar energy, geothermal energy, and wind energy [].These energies have to convert into electrical energy and stored in energy storage devices, and then be applied
Recent progress in polymer dielectric energy storage: From film
Polymer-based film capacitors have attracted increasing attention due to the rapid development of new energy vehicles, high-voltage transmission, electromagnetic catapults, and household electrical appliances. In recent years, all
Consequences of Tuning Rare-Earth RE3+-Site and
Both rare-earth SmMnO3 and EuMnO3 compounds that belong to transition-metal-based manganite perovskites REMnO3 have been studied deeply in this paper. The structural, elastic, optoelectronic,
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