With the development of high-efficiency energy storage systems, materials with higher phase change temperatures are in demand urgently for more effective energy storage, which had not been achieved. Herein, the industrial Al-Si-Fe alloy with phase change temperature of 869 °C was chosen as heat storage material in this research.
The preparation of Cu 2 Se@MnSe heterojunction spherical shells combines the hydrothermal synthesis method and the fusion diffusion method. As shown in Fig. 1, isopropanol and glycerol are used as solvents, Cu(NO 3) 2 ·3H 2 O and Mn(NO 3) 2 ·4H 2 O are added, and the reaction is conducted at 180 C for 6 h, centrifugation is …
This shell also has good ductility and can be made of light alloys with many metal elements, and the material is of high quality. Its chemical properties are stable, non-magnetic, and can be ...
The shell resisted corrosion of the high-temperature alloy, prevented leakage of the alloy, and the fibers provided the shell with high strength as well as toughness. It is well known that fibers have the effect strengthening and toughening on ceramic materials [81], [85], [86], [87], because stresses would be consumed through …
Following the synthesis procedure mentioned in section 2.1, highly pure Sn particles were obtained g. 2 presents XRD pattern of the Sn powders; it is seen that the recorded pattern is in complete match with standard JCPDS card no. 04–0673; no extra peaks including the peaks of unreacted starting materials, by-products or tin oxide were …
Micro- and nano-encapsulated metal and alloy-based phase-change materials for thermal energy storage S. Zhu, M. T. Nguyen and T. Yonezawa, Nanoscale Adv., 2021, 3, 4626 DOI: 10.1039/D0NA01008A …
Taking an aluminum alloy gearbox of an automobile as an example, according to its structural characteristics, the parting surface was determined, and the initial gating system was designed by using 3D modeling software UG. Based on Magmasoft software, the numerical simulation of the filling and solidification process was carried out …
Aqueous rechargeable Zn-ion batteries are attractive energy storage devices, but their wide adoption is impeded by the irreversible metallic Zn anode. Here the authors report lamellar ...
There are many applications for core–shell MOFs primarily in the field of energy storage, water splitting, nano-reactors, sensing equipment, etc [40].Therefore, it is required to do advancements in structural and chemical …
Metal sulfides have been widely investigated in a range of applications in catalysis, electronics, and energy storage fields due to their unique physical and chemical properties [[1], [2], [3]]. For energy storage application, metal sulfides can deliver high capacity through conversion reaction between Li + and sulfides as lithium-ion batteries …
The well-defined void space allows the Si particles to expand freely without breaking the outer carbon shell, therefore stabilizing the solid-electrolyte interphase on …
In Fig. 5, the average temperature inside the thermal storage is reported as a function of time for all considered cases.The higher the average temperature profiles, the thicker the metal foam is. In Fig. 5, a change of the slope of the average temperature profile is observed for all analyzed cases at about 330 K which is the melting temperature of …
In this study, a single-step hot stamping-forging process using a counter punch was proposed to produce pan-shaped shell parts with nonuniform thickness distributions, which are often used in satellites. Through FE simulations, the effects of die temperature, counter punch initial interposition length and counter force on the part …
In this work, the microencapsulated phase change materials, Sn/amorphous-carbon (Sn/a-C), and SnBi/amorphous carbon (SnBi/a-C) microparticles (MPs) were successfully synthesized. The thermal stabilities of Sn/a-C and SnBi/a-C core–shell MPs were verified by cycling tests, and stable latent heats of 56 and 45.7 J/g were obtained for Sn/a-C and …
An overview of recent literature on the micro- and nano-encapsulation of metallic phase-change materials (PCMs) is presented in this review to facilitate an understanding of the basic knowledge, selection criteria, and …
Storage and heat dissipation behavior of a heat storage ball with an Al–xSi alloy core and alumina ceramic shell. Xinle Zhou, Fuhai Bao, +2 authors. H. Kita. …
Electrode materials for energy storage devices are preferred to have a flexible nature, conductive, better capacity, and low-toxicity. Currently, using Gallium based liquid metal alloys, such as Eutectic Gallium-Indium (EGaIn), Eutectic Gallium-Tin (EGaSn), and Eutectic Gallium-Indium-Tin (EGaInSn), as electrode materials play very important ...
Numerical simulations are performed to analyze the thermal characteristics of a latent heat thermal energy storage system with phase change material embedded in highly conductive porous media. A network of finned heat pipes is also employed to enhance the heat transfer within the system. ANSYS-FLUENT 19.0 is used to create a transient …
Aiming at reducing the energy absorption of the hydrogen cylinder for fuel cell vehicles in collision, which may lead to fierce explosion, this paper introduces an energy-absorbing protective shell combining with negative Poisson''s ratio (NPR) structure to the hydrogen cylinder. It adopts three honeycomb structures of the same mass and …
A novel Al-Si composite with eutectic Al-Si/Si-rich core-shell structure was successfully prepared through the electromagnetic separation technology. The …
Additionally, the complicated combustion mechanism of aluminum alloy-based thermite and the influence of internal proportions of alloy ingredients remains unrevealed. Recent works [23], [24] developed some new nonintrusive temperature measurements and high-speed photography methods combined with a calibrated spectral …
Thermophysical characterization of Mg–51%Zn eutectic metal alloy: A phase change material for thermal energy storage in direct steam generation applications Energy, Volume 72, 2014, pp. 414-420 P. Blanco-Rodríguez, …, M. Tello
The core/shell homostructural NCNRs@NCNSs was further characterized by transmission electron microscope (TEM). From Fig. 2 a, it can be obviously seen that the NCNRs@NCNSs consist of amount of interconnected ultra-thin NCNSs, which are covered on the surface of NCNRs, clearly suggesting the core/shell structure. ...
Aluminum silicon alloy particles with 12 wt% Si content and 61.3 μm average size were used as PCMs to fabricate phase change heat storage in …
At HDM, we have developed aluminum alloy sheets that are perfect for cylindrical, prismatic, and pouch-shaped lithium-ion battery cases based on the current application of lithium-ion batteries in various fields. Our aluminum alloy materials are user-friendly, compatible with various deep-drawing processes.
Many metal alloys (primarily aluminum alloys) can also store latent heat with favorable cycling stability, the thermal conductivity of metal alloys is dozens to hundreds times higher than most salts (Kenisarin, 2010, Gil et al., 2010, Agyenim et al., 2010, Liu et al., 2012, Cheng et al., 2010a), Several studies have been reported on the …
In the quest for efficient high-temperature thermal energy storage systems (TES) and power-to-heat-to-power systems (PHP), this study focuses on the development of Cu–12.8Si–20Al/Al2O3 core–shell microencapsulated phase change materials (MEPCMs). The Cu–12.8Si–20Al alloy, with melting point range of 738–758
Micro- and nano-encapsulated metal and alloy-based phase-change materials for thermal energy storage Shilei Zhu, Mai Thanh Nguyen and Tetsu Yonezawa * Division of Materials Science and Engineering, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan.
The aluminum-alloy CPLS has the advantages of providing thermal insulation of the pyramid lattice structure with a low weight due to the aluminum alloy, which has high practical value. The traditional manufacturing methods of metal lattice structures include the investment casting method [12], [13], stamping method [14], and …
Abstract. Aluminum has excellent intrinsic properties as an anode material for lithium ion batteries, while this application is significantly underappreciated. Due to the high chemical reactivity of Al, bottom-up preparation of Al nanostructures is very challenging and Al based anode with high capacity and good stability is extremely challenging.
A novel phase change material based on the clad Al-Si composite ingot with eutectic Al-Si/Si-rich core-shell structure was designed for the high temperature …
In the quest for efficient high-temperature thermal energy storage systems (TES) and power-to-heat-to-power systems (PHP), this study focuses on the …
A higher operating temperature could improve the energy efficiency of the whole system of a CSP stations [14,15]. Presently, the CSPs using molten salts as sensible heat storage media have been ...
Aqueous aluminum batteries are promising post-lithium battery technologies for large-scale energy storage applications because of the raw materials abundance, low costs, safety and high ...
Energy Storage Materials Volume 32, November 2020, Pages 178-184 Insights into dendrite suppression by alloys and the fabrication of a flexible alloy-polymer protected lithium metal anode ...