Numerical study on heat transfer enhancement of shell-and-tube …
Read this article. Using metal foams mitigates the low thermal conductivity of phase change materials (PCMs) in latent heat thermal energy storage …
Investigation of charging and discharging characteristics of a horizontal conical shell and tube latent thermal energy storage device ... The boundary conditions imposed on the system are described in Table 2. Publication: Energy Conversion and .2019.03.022 ...
1. Introduction Shell and tube type of device has been regarded as one of the most popular and efficient configurations for industrial and commercial applications in thermal energy storage (TES) and utilization fields [1], [2], [3] such a …
Shell and tube type of molten salt based TES devices are considered as one of the most popular devices for commercial and industrial applications in medium and high temperature thermal energy storage fields (Fig. 5(a)) [16].
DOI: 10.1016/J.ELECTACTA.2018.04.005 Corpus ID: 103393370 Interface-rich core-shell ammonium nickel cobalt phosphate for high-performance aqueous hybrid energy storage device without a depressed power density @article{Wang2018InterfacerichCA, title ...
Despite the above-mentioned advantages, the low thermal conductivity (0.1-0.6 Wm -1 K − 1 ) of PCMs leads to low energy charging and discharging rates [5]. In this respect, various heat transfer ...
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 …
The architecture of the cooling system is described first, then the geometrical configuration of the vertical STHE, the experimental apparatus and the results are provided. Fig. 1 shows the layout of the cooling system used for the experimental analysis, which consists of a water chiller, a heat exchanger (user) simulating a single …
This work proposes a novel type of shell and tube latent thermal energy storage unit (LTESU). Effects of the thermal conductivity of PCM, the inlet temperature of heat transfer fluid (HTF), the inlet velocity of HTF and fin layout (fin length and distribution) on the thermal performance and exergy efficiency of the LTESU are numerically …
In summary, we reported a novel NCoNiP@NCoNiP with core-shell structure as anode for hybrid energy storage device via a facile and sustainable hydrothermal method. The formation of hybrid structure can be ascribed to the synergistic effect between etching induced Kirkendall effect and Ostwald ripening growth process.
In order to accurately obtain the flow characteristic and temperature distribution of the PCM, a visual experiment platform was built at Wuhan University of Science and Technology for a shell-tube tank shown in Fig. 1.As can be seen from the platform, the platform ...
Request PDF | On Sep 1, 2023, Wei Wang and others published Heat transfer and heat storage characteristics of calcium hydroxide/oxide based on shell-tube thermochemical energy storage device ...
This paper introduced a further heat transfer enhancement technique by inserting porous metal foam into the fin interstitials for a shell-and-tube thermal energy storage unit. The energy charging/discharging were evaluated by means of indicators including complete melting/solidification time, heat transfer coefficient, temperature …
DOI: 10.1016/j.solmat.2021.111488 Corpus ID: 244372296 High performance electrochromic energy storage devices based on Mo-doped crystalline/amorphous WO3 core-shell structures The potential of metal oxides in …
This chapter introduces concepts and materials of the matured electrochemical storage systems with a technology readiness level (TRL) of 6 or higher, in which electrolytic charge and galvanic discharge are within a single device, including lithium-ion batteries, redox flow batteries, metal-air batteries, and supercapacitors.
Due to the unique physical and chemical properties, core-shell structured nanomaterials have been widely used in energy storage and conversion. For instance, coating noble metal or metal oxides, as a monoatomic layer on the surface of non-noble metal-based nanocomposites ( e.g., Co, Fe or Ni), can produce cost effective and atomic …
Designing highly efficient electrode materials is one of the key issues for developing high performance energy storage devices and electrolytic hydrogen production.Herein, binder-free core-shell CoS x @CoNi 2 S 4 /CC nanocomposites were successfully prepared via calcination-sulfurization-electrodeposition using in-situ grown …
Anion chemistry in energy storage devices. Anions serve as an essential component of electrolytes, whose effects have long been ignored. However, since the 2010s, we have seen a considerable increase of anion chemistry research in a range of energy storage devices, and it is now understood that anions can be well tuned to effectively …
In this research, the latent heat thermal energy storage device with helical fin is proposed and its thermal storage performance is also investigated by numerical simulation. First, assorted helix pitches (400 mm, 200 mm, 100 mm and 50 mm) and fin numbers are taken into account to investigate the thermal storage performance with …
Abstract. Materials with core-shell structures have attracted increasing attention in recent years due to their unique properties and wide applications in energy storage and conversion systems. Through reasonable adjustments of their shells and cores, various types of core-shell structured materials can be fabricated with favorable …
As an important part of the cold storage air conditioning system, an efficient cold thermal energy storage (CTES) device is the key to ensure the efficient operation of the system. However, the thermal conductivity of most cold storage media is relatively low, which limits their heat transfer performance [4], [5].
Hydrogented-TiO 2 @MnO 2 core–shell nanowires (CSNW) as cathode, hydrogenated-TiO 2 @C CSNW as anode. High specific capacitance of 139.6 F/g and maximum volumetric energy density of 0.30 mWh/cm 3. Very good cycling performance. [85] Laser ablation for tantalum core and carbon shell.