MF has been used as one of the effective heat transfer enhancement techniques in latent heat thermal energy storage systems. The present study aims to combine the MF with wavy designs to provide a locally enhanced layer of wavy metal foam over the heat transfer tube in a shell-tube thermal energy storage design for the first time.
This review presents the systematic design of core–shell and yolk–shell materials and their Na storage capacity. The design of different metal structures with different shapes and their corresponding synthesis methods …
Multi-shell transition metal oxide hollow spheres show great potential for applications in energy storage because of their unique multilayered hollow structure with large specific surface area, short electron and charge transport paths, and structural stability. ... Zeng D-D, Chen X-P, Lu L-X, Su J, Lv X-Y, Long Y-F and Wen Y-X 2023 Synthesis ...
In conclusion, we reported a novel Ni(OH)@Ni core-shell nanochains with promising high-rate energy storage performances. The core-shell structure consists of a 3D …
Two kinds of 1D core–shell nanorods silver@polydopamine (Ag@PDA) and silver@zinc oxide (Ag@ZnO) were successfully synthesized and doped into polyvinylidene fluoride (PVDF) to fabricate composites. The different surface modification effects between the organic PDA shell and inorganic ZnO shell on structure and dielectric properties of PVDF …
A geometrical optimization and comparison study on the charging and discharging performance of shell-and-tube thermal energy storage systems. Author links open overlay panel Mohammad Reza Mohaghegh, Syeda Humaira Tasnim, Shohel Mahmud. Show more. Add to Mendeley ... application to the melting of a pure metal. Numer. Heat Transfer, …
The unique 3D rod-like structure has a broad range of potential applications for energy storage. In this work, a three-dimensional core–shell cathode material CuS 2 @CoNi 2 S 4 and a porous rod-like anode material thistle-derived carbon (TDC) are synthesized for hybrid capacitors. Among them, the cathode CuS 2 @CoNi 2 S 4 was prepared by straightforward in …
Given the limited reversible capacity of LIBs, lithium metal batteries are a series of promising electric energy conversion and storage devices with high energy density. Therein, Li–S and Li–O 2 batteries draw tremendous attention …
Developing energy storage technology is an effective way to use renewable energy stably and to ... of metallic particles (such as Al, Al-Si, Zn-Al) were pretreated to be boehmite (AlOOH), and then they were heated to metal oxide shells (Al 2 O 3 ... The MEPCMs-2 exhibited a stable core–shell structure, excellent heat storage effect and cyclic ...
Energy storage performances of Ni-based electrodes rely mainly on the peculiar nanomaterial design. In this work, a novel and low-cost approach to fabricate a promising core-shell battery-like ...
Design and operating evaluation of a finned shell-and-tube thermal energy storage unit filled with metal foam. Author links open overlay panel Xiaohu Yang a b, Jiabang Yu a, Tian Xiao c, Zehuan Hu a, Ya-Ling He b. Show more ... The proposed novel finned shell-and-tube thermal energy storage unit filled with metal foam outperformed other ...
Multi-shell transition metal oxide hollow spheres show great potential for applications in energy storage because of their unique multilayered hollow structure with large …
With more developed countries, higher energy demands, and ongoing usage of fossil fuels, we are obligated to develop better and more substitutional energy storage and conversion systems to avoid future environmental crises [[1], [2], [3], [4]].Through the numerous conducted studies on this subject, electrochemical energy storage and conversion (ESC) has …
In order to deal with this issue, integrating metal chalcogenides with carbon as core-shell hybrid electrodes is proposed, in consideration of very high theoretical energy density of metal chalcogenides [10], [11]. However, the enhancement in energy density of core-shell carbon@metal chalcogenides hybrids is actually a compromise at the expense ...
Introducing metal fins or foams can both enhance the performance of shell-and-tube phase change thermal energy storage (TES) devices, but the heat transfer mechanisms are different, i.e., heat transfer through a micro-liquid film, named close-contact melting (CCM) mode, brought by fins and reinforced-heat-conduction is triggered by foams.
Heterojunction structures have certain advantages in improving the energy storage performance of sulfides, such as CuS@CoS 2 Double-Shelled Nanoboxes and CoS 2 @Cu x S Double-Shelled Nanoboxes [31], [32]. These materials greatly improve the long-term cycle stability of batteries and enhance electrochemical performance due to their unique ...
The balanced energy density, power density, and high cycle ability highlight the potential of the faradic ZnCo 2 O 4-rGO composite in high performance and long lifetime …
Request PDF | On Jan 4, 2020, Xiaohu Yang and others published Design and operating evaluation of a finned shell-and-tube thermal energy storage unit filled with metal foam | Find, read and cite ...
Wang et al. (2020b) verified the superiority of the radial graded metal foam in the shell-and-tube structure through the experimental method. It was found that the radial graded structure could shorten the melting time by 37.6% and reduce the temperature gradient. ... The thermal energy storage capacity (E) and thermal energy storage rate (P ...
The Journal of Energy Storage focusses on all aspects of energy storage, in particular systems integration, electric grid integration, modelling and analysis, novel energy storage technologies, sizing and management strategies, business models for operation of storage systems and energy storage … View full aims & scope $
Li, C. et al. Ultrathin manganese-based metal-organic framework nanosheets: low-cost and energy-dense lithium storage anodes with the coexistence of metal and ligand redox activities. ACS Appl. Mater.
Latent heat storage in a shell-tube is a promising method to store excessive solar heat for later use. The shell-tube unit is filled with a phase change material PCM combined with a high porosity ...
Aluminum oxide encapsulated high-permittivity (-) BaTiO 3 and ZrO 2 core-shell nanoparticles having variable Al 2 O 3 shell thicknesses were prepared via a layer-by-layer methylaluminoxane coating process. Subsequent chemisorptive activation of the single-site metallocene catalyst [rac-ethylenebisindenyl]zirconium dichloride (EBIZrCl 2) on these Al 2 O 3-encapsulated …
a Sandwich configuration of Au substrate coupled with shell-isolated nanoparticles for enhancing Raman signals. F, S, O, N, C, H, and Li atoms are shown in green ...
This review will summarize the progress to date in the design and preparation of CD-incorporated energy storage devices, including supercapacitors, Li/Na/K-ion batteries, Li–S batteries, …
Nickel‑manganese layered double hydroxide (NiMn-LDH) is used for supercapacitors due to its high redox activity and theoretical capacity, while with the disadvantages of low conductivity and unstable structure. Here, we report a Co 9 S 8 /NiMn-LDH composite electrode material with a core-shell heterostructure grown in situ on a carbon cloth …
In this work, we fabricated hierarchical Co-Fe LDH@NiO shell-core microrod arrays that can be directly used as a binder-free electrode for energy storage on the surface of …
Supercapacitors are currently receiving a lot of interest due to their possible use as future candidates for energy storage. Metal-Organic Frameworks (MOFs), an attractive class of porous materials and precursors of inorganic materials for energy storage technologies, have captured the interest of researchers worldwide due to their excellent surface area, …
Benefiting from these structural advantages, the as-prepared free-standing electrode exhibits superior lithium storage properties, including high coulombic efficiency, …
In addition, core–shell nanostructures with a controllable material constitution and utility could also help to increase both conductivity and charge storage capability in …
Moreover, the external PVDF-HFP/Al 2 O 3 shell effectively suppresses most side reactions occurring on the core PMIA, ensuring stability. Similarly, a core-shell PVDF-HFP-SiO 2 @PPC hybrid SSE [157] was reported, exhibiting higher ionic conductivity (1.05 mS·cm −1 at room temperature) compared to the pure SSE (0.5 mS·cm −1).
Abstract Lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs) have received much attention in energy storage system. In particular, among the great efforts on enhancing the performance of LIBs and SIBs, yolk–shell (YS) structured materials have emerged as a promising strategy toward improving lithium and sodium storage. YS structures possess …
Investigations on shell-and-tube thermal energy storage units also revealed significant improvements using multiple PCMs and gradient copper foam. While radial multiple PCMs didn''t show thermal storage advantages over single PCMs, gradient copper foam configurations demonstrated marked enhancements, with negative gradient configurations showing ...
Core-shell structures allow optimization of battery performance by adjusting the composition and ratio of the core and shell to enhance stability, energy density and energy …
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