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High-entropy Ti-Zr-Hf-Ni-Cu alloys as solid-solid phase change ...
High-performance high-temperature solid-solid phase change materials (SS-PCMs) are urgently demanded for thermal energy storage and thermal management at elevated temperatures in the rapidly developing energy and information industries. Here, we report a novel class of Ti-Zr-Hf-Ni-Cu high-entropy alloys showing high thermal-energy …
Preparation of mono-sized high sphericity Al-Si alloy particles for ...
The thermal analysis results demonstrate that the Al-Si alloy particles prepared in this study have high melting latent heat (approximately 500.87 J/g) and solidification latent heat (approximately 467.26 J/g), showcasing their potential as high-efficiency phase change materials for high-temperature thermal energy storage.
Absorption based solid state hydrogen storage system: A review
The study reports that on increasing Ti content, the equilibrium plateau pressure increases, which decreases hydrogen intake capacity of material. Because of their high hydrogen storage capacity, these alloys are best suited for hydrogen storage in stationary applications, thermal energy storage and as heat transformers. AB 3 and A 2 …
Thermal reliability of Al-Si eutectic alloy for thermal energy storage ...
Thermal reliability of material is investigated after long time vacuum thermal cycling. • The latent heat of fusion show almost no change after 1000 thermal cycles. • The thermal conductivity exhibit a good stability after 1000 cycles. • Al-Si eutectic alloy is a potentially good candidate for thermal energy storage applications.
Materials | Free Full-Text | Advances in Electrochemical Energy Storage ...
Bismuth (Bi) has been prompted many investigations into the development of next-generation energy storage systems on account of its unique physicochemical properties. Although there are still some challenges, the application of metallic Bi-based materials in the field of energy storage still has good prospects. …
NiTiHf shape memory alloys as phase change thermal storage materials
Motivated by the recent advancements demonstrating the effectiveness of NiTi shape memory alloys (SMAs) as high figure of merit (FOM) phase change materials (PCMs) for thermal management and storage, NiTiHf SMAs were explored as candidate solid-solid PCMs with high temperature capability. Differential scanning calorimetry and …
Nano high-entropy alloy with strong affinity driving fast polysulfide ...
Nano high-entropy alloy with strong affinity driving fast polysulfide conversion towards stable lithium sulfur batteries. Author links open overlay panel Hongfei Xu, ... Recent progress of high-entropy materials for energy storage and conversion. J. Mater. Chem. A, 9 (2021), pp. 782-823, 10.1039/D0TA09578H. View in …
High entropy alloys as electrode material for ...
As a kind of new materials, high-entropy alloys (HEAs) avoid the traditional "base element" concept and display a variety of interesting and unusual properties. HEAs have been considered promising electrode materials for energy storage and conversion technologies due to their excellent mechanical, chemical, and physical …
Energy Storage Materials | Vol 48, Pages 1-506 (June 2022 ...
Read the latest articles of Energy Storage Materials at ScienceDirect , Elsevier''s leading platform of peer-reviewed scholarly literature. Skip to main content. ADVERTISEMENT. Journals & Books ... Rationally designed alloy phases for highly reversible alkali metal batteries. Junxiong Wu, Xiaochuan Chen, Wei Fan, Xiaoyan Li, ...
Porous Silicon‐Supported Catalytic Materials for Energy …
6 · The electrochemical applications of porous Si-based electrocatalysts in energy conversion reactions such as hydrogen evolution reaction, oxygen evolution reaction, …
High Entropy Materials for Reversible Electrochemical Energy Storage ...
1 Introduction. Entropy is a thermodynamic parameter which represents the degree of randomness, uncertainty or disorder in a material. 1, 2 The role entropy plays in the phase stability of compounds can be understood in terms of the Gibbs free energy of mixing (ΔG mix), ΔG mix =ΔH mix −TΔS mix, where ΔH mix is the mixing enthalpy, ΔS …
Journal of Energy Storage
In this paper, the effect of shrinkage voids during the solidification of binary alloy as phase change material (PCM) on the thermal performance of a latent heat thermal energy storage is studied. Al-Cu 4.1% wt., Al-Si 7% wt., and Al-Mg 30% wt. are the three binary alloys considered as the PCMs.
Recent developments in BaTiO3 based lead-free materials for energy …
significantly affect the energy storage performance of materials. The electrostatic capacitors store electrical energy due to the movement of bound charges, while fuel cells and batteries store energy by means of chemical reactions; and therefore, capacitors have a rapid charge-discharge rate compared to fuel cells and batteries …
Energy Storage Materials | Journal | ScienceDirect by Elsevier
Energy Storage Materials is an international multidisciplinary journal for communicating scientific and technological advances in the field of materials and their devices for advanced energy storage and relevant energy conversion (such as in metal-O2 battery). It publishes comprehensive research articles including full papers and short communications, as well …
Developing sustainable FeTi alloys for hydrogen storage by
Intermetallic alloys such as FeTi have attracted ever-growing attention as a safe and efficient hydrogen storage medium. However, the utilization of high-purity metals for the synthesis of such ...
Nano high-entropy alloy with strong affinity driving fast polysulfide ...
The nano-HEA was prepared by the carbothermal shock decomposition of multimetal-MOF-74 (Fig. S1, S2, Supporting Information). As the XRD (X-ray diffraction) patterns illustrated (Fig. 1 a), the multimetal-MOF-74 with homogeneous phase was successfully synthesized in which the typical (110) and (030) planes could be found at …
High-entropy energy materials: challenges and new opportunities
We begin with discussions on the latest reports on the applications of high-entropy materials, including alloys, oxides and other entropy-stabilized compounds and …
Aluminum and silicon based phase change materials for high …
Thermal conductivity enhancement of phase change materials for thermal energy storage: a review. Renew. Sust. Energy Rev., 15 (2011), pp. 24-46. View PDF View article View in Scopus Google Scholar ... Properties of cast aluminum alloys as thermal storage materials. Cast. Met., 4 (1990), pp. 203-206. Crossref Google Scholar [18]
High-entropy materials for energy and electronic applications
Specifically, investigations into electrochemical energy storage, catalysis and HEAs have yielded insights into how to process, characterize and test HEMs for …
Thermal Properties and the Prospects of Thermal Energy Storage …
Feature papers represent the most advanced research with significant potential for high impact in the field. A Feature Paper should be a substantial original Article that involves several techniques or approaches, provides an outlook for future research directions and describes possible research applications.
High Entropy Alloys: Emerging Materials for Advanced Hydrogen …
High entropy alloys (HEAs) have attracted substantial attention in diverse fields, including hydrogen storage, owing to their unique structural and functional properties. The diverse …
Synthesis and characterization of a novel high durability alloy ...
1. Introduction. Thermal energy storage technology mainly includes sensible heat storage, latent heat storage and thermochemical heat storage. Among them, latent heat storage based on phase change materials is one of the key technologies to improve the efficiency of energy due to its higher thermal capacity and stable operating …
Aluminum and silicon based phase change materials for high …
1. Introduction. Replacement of fossil fuels by renewable energy sources especially solar energy is a clear solution for the future of energy. With the decreased cost of photovoltaic (PV) and concentrated solar power (CSP) for electricity generation, the challenge of energy storage becomes more important due to the unavailability of …
Considerations for the use of metal alloys as phase change materials …
Khare et al. (2012) [26] used a materials selection procedure and found that metals such as Al, Mg, Si and Zn, and their eutectics 88Al–12Si and 60Al–34Mg–6Zn were highly suitable as a PCM for the duty considered in their research (steam generation from 400 to 750 °C). Their properties, heat of fusion, thermal conductivity, etc. have …
High-temperature stability of Cu–20Si alloy-corundum ceramic …
By converting solar energy into thermal energy, thermal storage materials absorb and store thermal energy when there is sufficient sunlight, ... However, studies on Cu–Si alloy have been relatively few, especially for the preparation of composite thermal storage materials by combining Cu–Si alloy with ceramic matrix. In this study, …
Emerging bismuth-based materials: From fundamentals to …
The applications of Bi-based materials in electrochemical energy storage applications are summarized, and their future prospects are proposed. Download: Download high-res image (255KB) ... Therefore, many researchers have studied Bi alloy and Bi 2 S 3-based materials to cope with these problems [4, 72, [151], ...