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

The research advances of typical oxides in rare earth compounds in the field of pseudocapacitors is highlighted, including the energy storage mechanism and

In this study, Sr 0.7 Bi 0.2 TiO 3 (SBT) ceramics doped with Y 2 O 3, Dy 2 O 3 and Gd 2 O 3 rare earth oxides were designed and prepared by the conventional solid-state reaction method. The results show that all ceramics exhibit typical relaxor ferroelectric behavior, and the breakdown strength (BDS) of SBT ceramics is improved.

The emergence of energy crisis and greenhouse effect has prompted people to develop energy storage equipment with excellent performance. Supercapacitors (SCs), also known as electrochemical capacitors, are

Here, we review the applications of various rare earth promoted transition metal sulfides in energy storage and conversion in recent years, which focuses on three

We have identified four challenges of rare earths supply for the energy transition, namely the substitution of the minerals in clean technologies, the recycling of

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+ .

And global rare earth mines as shown in Fig. 2, in the 1960 s and 1970s, the United States dominated the global supply of rare earth mines; in 1986, China''s rare earth mine production exceeded that of the United States for the first time, and became the main source of global supply of rare earths in the following 30–40 years; after 2011, the

This is reflected in the compounded annual growth rate of 13.7% that is expected between 2017 and 2021 for the global rare-earth metal market. 1 The global rare earth market is, however, modest at $9

Surface modification of rare earth Sm-doped WO 3 films through polydopamine for enhanced electrochromic energy storage performance Author links open overlay panel Haitao Liu a b 1, Yongxiang Wang b 1, Hengyu Wang b, Haolin Xie a, Yinghan Li a, Peng Zou b, Jinming Zeng a, Tongxiang Liang a, Xiaopeng Qi a

The rare earths are of a group of 17 chemical elements, several of which are critical for the energy transition. Neodymium, praseodymium, dysprosium and terbium are key to the production of the permanent magnets used in electric vehicles (EVs) and wind turbines. Neodymium is the most important in volume terms.

Rare-earth ions (REIs) in crystals are excellent candidates for optically addressable quantum memory. This is because of their optically active 4 f electrons, shielded from environmental

The emergence of energy crisis and greenhouse effect has prompted people to develop energy storage equipment with excellent performance. Supercapacitors (SCs), also known as electrochemical capacitors, are widely studied for their high power density, fast charge and discharge and long cycle life. Rare earth

Rare earth (Sm/Eu/Tm) doped ZrO 2 driven electro-catalysis, energy storage, and scaffolding in high-performance perovskite solar cells Int. J. Hydrogen Energy, 48 ( 2023 ), pp. 29119 - 29141 View PDF View article View in Scopus Google Scholar

More recently, rare-earth (RE)-based SACs have emerged as a new frontier in photo/electrocatalysis owing to their unique electronic structure arising from the

Rare-earth (Re) substitution in BiFeO${}_{3}$ can result in a tuning of the crystal structure from ferroelectric R3c to antiferroelectric Pnma, making

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

In addition to light stimulation, external stimulation by temperature field, chemistry field and stress can also modify the photoluminescence of rare-earth ions [12, [36], [37], [38]]. If these external field stimuli are combined with light field induction, the anti-counterfeiting security or information storage density of rare-earth-doped materials can be greatly

Impurity doping is a promising method to impart new properties to various materials. Due to their unique optical, magnetic, and electrical properties, rare-earth ions have been extensively explored as active dopants in inorganic crystal lattices since the 18th century. Rare-earth doping can alter the crystallographic phase, morphology, and size,

China has dominated the market for rare earth elements, but US scientists and companies are scrambling to catch up. By. Mureji Fatunde. January 5, 2024. US-based Noveon Magnetics extracts

Rare earth elements, known as industrial vitamins, are widely used in various fields due to their special redox properties, oxygen affinity and electronic structure. Therefore, the construction of rare earth promoted transition metal sulfides is of far-reaching significance for the development of catalysts.

Comprehensive Summary 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.

The effect of rare earth Ce-doping content on the phase structure, microstructure, dielectric properties and energy storage characteristics of ceramics was investigated. All BNBSTC100x ceramics

Rare earth (RE) ions, with abundant 4f energy level and unique electronic arrangement, are considered as substitutes for Pb 2+ in perovskite nanocrystals (PNCs),

According to information from 1 February 2021, Myanmar is China''s largest supplier of rare earths, and a total of 12,986.216 tonnes of rare earth carbonate was imported from Myanmar in 2019, falling to 6225.179 tonnes in 2020, and equating to $18,337,530 and $21,809,636, respectively.

After introducing rare-earth ions into the 0.7BT-0.3SBT system, the P-E loops became slender, and P r decreased significantly, leading to good energy storage performances. With decreasing the rare-earth ionic radii, the maximum electric field for the 0.7BT-0.3SBT-Re ceramics increased from 240 to 330 kV/cm.

Trivalent rare earth ions (Ln 3+) have the unique electronic configurations [Xe]4f n ( n = 0–14) and numerous energy levels, which endow rare earth luminescent

Rare earth compounds for lithium-sulfur battery. Lithium sulfur (Li-S) battery is one of the most promising energy storage devices that is composed of lithium metal as anode and sulfur as cathode. The theoretical capacity of sulfur is 1675 mAh g −1. The high energy density attracted the interest of most of battery researchers [119].

Herein, a collaborative optimization design is employed to achieve excellent energy storage performance in rare-earth oxides modified 0.76(0.94Bi 0.5 Na 0.5 TiO 3-0.06BaTiO 3)-0.24Sr 0.7 Bi 0.2 TiO 3 (BNBT-SBT) ceramics by simultaneously enhancing the b

Rare-earth elements occur in nature in combination with phosphate ( monazite ), carbonate - fluoride ( bastnäsite ), and oxygen anions. In their oxides, most rare-earth elements only have a valence of 3 and form sesquioxides (cerium forms CeO2 ). Five different crystal structures are known, depending on the element and the temperature.

The default Ecoinvent inventory data was used but the energy/material inputs and emissions were re-allocated to all the 15 REOs based on Bayan Obo bastnasite composition provided in Chinese Rare-Earth Yearbook 2010

A new energy economy is emerging. There are unmistakeable signs of change. In 2020, even as economies sank under the weight of Covid-19 lockdowns, additions of renewable sources of energy such as wind and solar PV increased at their fastest rate in two decades, and electric vehicle sales set new records. A new energy economy is coming into view

To date, rare earth oxides (REOs) have proven to be key components in generating sustainable energy solutions, ensuring environmental safety and economic

To date, rare earth oxides (REOs) have proven to be key components in generating sustainable energy solutions, ensuring environmental safety and economic progress due to their diverse attributes. REOs'' exceptional optical, thermodynamic, and chemical properties have made them indispensable in a variety of sophisticated

Here, we propose rare-earth-ion-doped Ca(OH) 2 materials for thermochemical energy storage at reduced dehydration temperature through extensive DFT computational screening. Rare-earth elements, Sc, Y, La, Gd and Lu, -doped Ca(OH) 2 exhibit lower decomposition barrier in comparison to the Ca(OH) 2 without doping.

Solid-state inorganic luminescent photochromics have potential applications in high-density optical storage fields due to their good chemical and thermal stability. However, the failure in simultaneously achieving a high luminescent contrast and non-destructive readout capability restricts their practical ap

With the continuous growth in sustainable and renewable technologies, ceramic capacitors are emerging as a promising energy storage device. Lead-free (1-x)[(Na 0.4 K 0.1 Bi 0.5) 0.94 Ba 0.06 TiO 3]-xLa 0.2 Sr 0.7 TiO 3 (0 ≤ x ≤ 0.40) ceramics were prepared using the solid-state reaction technique for obtaining relaxor characteristics with

Silver niobate (AgNbO3) is considered as one of the most promising lead-free replacements for lead-containing antiferroelectric (AFE) ceramics, and has been drawing progressively more attention because of its relatively high energy storage density. However, weak ferroelectricity in pure AgNbO3 exerts a negat