spherical energy storage device
Thermal energy storage characteristics of packed bed encapsulating spherical …
The packed bed thermal energy storage device (PBTESD) filled with spherical phase change capsules can overcome the mismatch between the energy supply and the heat demand, which has broad ...
Read MoreReduction of mechanical loss of flywheel energy storage system with spherical …
Flywheel Energy Storage System (FESS) is known as a mechanical battery to store electricity. In a small-scale FESS, mechanical loss due to frictions of bearings must be reduced. In this study, a Spherical Spiral Groove Bearing (SSGB) is used to reduce the bearing loss. The bearing performance of SSGB is greatly affected by the groove shape, …
Read MoreNanomaterials | Free Full-Text | Synthesis and Electrochemical …
Also, in SCs, spherical structures can generally increase the energy densities of energy-storage devices due to their large surface area, low density, and …
Read MoreParametric studies and optimisation of pumped thermal electricity storage …
Pumped hydro storage (PHS) is currently the dominant large-scale energy storage technology, with over 99% of the world''s installed storage capacity in this form. However, the high initial cost and geographical constraints of PHS mean that many new technologies are emerging, including batteries, flow batteries, compressed air storage …
Read MoreStretchable Energy Storage Devices: From Materials …
Stretchable energy storage devices (SESDs) are indispensable as power a supply for next-generation independent wearable systems owing to their conformity when applied on complex surfaces and functionality under …
Read MoreExperimental study on the performance of packed-bed latent …
Among the latent heat storage devices, the packed bed latent thermal energy storage system (PBLTES) features a wide heat transfer area, a simple and …
Read MoreJournal of Energy Storage
The HSC device manifests a high specific energy of 44.9 Wh kg −1 at a specific power of 793.5 W kg −1, even at high specific power of 13,704.5 W kg −1, specific energy is 15.6 Wh kg −1, which surpasses many previously reported hydroxides based HSC 2 …
Read MoreThermal energy storage characteristics of packed bed encapsulating spherical capsules with composite …
In this paper, the thermal energy storage characteristics of a packed bed thermal energy storage device (PBTESD) filled with spherical phase change capsules are analyzed. The PA/EG/CF composite phase change material (CPCM) was used as an encapsulation material, and water was used as heat transfer fluid (HTF).
Read MoreAn improved dynamic analytical model and the parameter sensitivity analysis of spherical stacking latent thermal energy storage devices…
The spherical stacking latent thermal energy storage devices inherits the advantages of direct thermal energy usage efficiency and simplified practical applications that received widely attentions. However, due to dispersed and multi-layer structural arrangement, the non-ignorable dynamic heat transfer process poses difficulties in the device design and …
Read MoreSeismic retrofit of spherical liquid storage tanks with energy dissipative devices …
Energy dissipation devices are used for the seismic retrofit of a spherical liquid storage tank. •. The seismic behavior of the structure improved by reducing the stress levels by about 80%. •. Sloshing affects substantially the dynamic characteristics of the structure-fluid system.
Read More3D printed energy devices: generation, conversion, and storage
1 · State-of-the-art energy devices can be classified into three main groups based on their functions: energy generation, energy conversion, and energy storage 7, 8, 9. …
Read MoreExperiment and Simulation of the Shape and Stored Gas Characteristics of the Flexible Spherical Airbag for Underwater Compressed Air Energy Storage
Compressed Air Energy Storage Mingyao Liu 1,2, Ke Sun 1,3,*, Xudong Wang 2, Changbo Lu 2, Gang Ma 1 and Kai ... storage devices: rubber and coated fabrics. They can sustain signi ficant tension ...
Read MoreStructural composite energy storage devices — a review
Structural composite energy storage devices (SCESDs), that are able to simultaneously provide high mechanical stiffness/strength and enough energy storage capacity, are attractive for many structural and energy requirements of …
Read MoreHollow Ni/Co-S microspheres derived from spherical coordination polymers: Preparation, characterization and application in energy storage ...
Nowadays, some clean and recyclable energy storage equipments have been exploited, including: solar cell, fuel cell, batteries and supercapacitors (SCs) [1], [2]. Among them, the battery-like supercapacitor has drawn much attention in the worldwide since it simultaneously owns the characters of both the battery (the high energy density) …
Read MorePerformance simulation of novel heat pipe type phase change thermal storage device …
Abstract. Given that the performance of the phase change thermal storage device (PCTSD) is limited by the low thermal conductivity of the phase change material, more effective heat transfer structures should be developed to improve the thermal storage rate. In this paper, a novel micro heat pipe array (MHPA)–PCTSD with a highly rational …
Read MoreThermal storage performance of latent heat thermal energy storage device …
Latent heat thermal energy storage has garnered increasing interest and development as a significant technique for recovering waste heat. 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.
Read MoreSolar cell-integrated energy storage devices for electric vehicles: a breakthrough in the green renewable energy …
Electric vehicles (EVs) of the modern era are almost on the verge of tipping scale against internal combustion engines (ICE). ICE vehicles are favorable since petrol has a much higher energy density and requires less space for storage. However, the ICE emits carbon dioxide which pollutes the environment and causes global warming. Hence, …
Read MoreOptimal design and evaluation for sphere capsules in the packed bed latent thermal energy storage …
Serving as an extensively applied approach, numerous studies have been conducted on different aspects of the packed bed latent thermal energy storage with spherical capsule (PLTES-SC) devices. Duan et al. [ 6 ] compared the thermal performance of three different arrangements and the results demonstrated that face …
Read MoreStructural composite energy storage devices — a review
Abstract. Structural composite energy storage devices (SCESDs) which enable both structural mechanical load bearing (sufficient stiffness and strength) and electrochemical energy storage (adequate capacity) have been developing rapidly in the past two decades. The capabilities of SCESDs to function as both structural elements …
Read MoreLong GAO | Dean | Professor (Associate) | Building Environment and Energy …
1. Preparation of biomass porous carbon materials; 2. Thermophysical properties of composite phase change materials; 3. Theory of phase change heat transfer; 4. Thermal performance of heat storage ...
Read MoreSelf-Assembly of Ni-Doped Co-MOF Spherical Shell Electrode for a High-Performance Supercapacitor | Energy …
Bimetallic metal–organic frameworks (Bi-MOFs) have recently attracted increasing interest for use as electrode materials in energy storage devices due to their abundant active sites and porous structure. Here, we report our work on the self-assembly of Ni-doped Co-MOF (CoNix-MOF) spherical shell electrodes by CoNix-MOF nanosheets …
Read MoreParametric analysis of a packed bed thermal storage device with …
The goal of this study is to investigate the effect of key design parameters on the thermal performance of the packed bed heat storage device by numerical calculation. A one-dimensional, non-equilibrium packed bed latent heat storage mathematical model was established and the applicability of the model was verified. The …
Read MoreThermal energy storage characteristics of packed bed …
In this paper, the thermal energy storage characteristics of a packed bed thermal energy storage device (PBTESD) filled with spherical phase change capsules …
Read MoreThree-dimensional Graphene with MoS 2 Nanohybrid …
Portable and matured energy storage devices are in high demand for future flexible electronics. Flowery shaped MoS 2 nanostructures with porous and flake like morphology was used to study …
Read MoreWei Wang ()
171. 2018. A review on numerical simulation, optimization design and applications of packed-bed latent thermal energy storage system with spherical capsules. X He, J Qiu, W Wang, Y Hou, M Ayyub, Y Shuai. Journal of Energy Storage 51, 104555.
Read MoreSpray-Assisted Deep-Frying Process for the In Situ Spherical Assembly of Graphene for Energy-Storage Devices…
Spray-Assisted Deep-Frying Process for the In Situ Spherical Assembly of Graphene for Energy-Storage Devices Chemistry of Materials ( IF 8.6) Pub Date : 2015-01-11 00:00:00, DOI: 10.1021/cm5034244
Read MoreThermal Performance Analysis of Composite Phase Change Material of Myristic Acid-Expanded Graphite in Spherical Thermal Energy Storage …
In order to improve energy storage efficiency and promote the early achievement of global carbon neutrality goals, this paper proposes a spherical thermal storage unit filled with a composite phase change material (CPCM) comprising myristic acid (MA) and expanded graphite (EG). The effects of EG content and Stefan number (Ste) …
Read MoreHIGH-PERFORMANCE PHASE-CHANGE THERMAL ENERGY STORAGE USING SPHERICAL …
A theoretical and experimental investigation of the transient thermal characteristics of a phase-change thermal energy storage (TES) unit using spherical capsules is presented. A simulation program that considers rigorously transient aspects of both the surrounding heat transfer fluid and the phase change material (PCM) packed …
Read MoreA fully solid-state cold thermal energy storage device for car seats using shape-memory alloys | Frontiers in Energy
Thermal energy storage has been a pivotal technology to fill the gap between energy demands and energy supplies. As a solid-solid phase change material, shape-memory alloys (SMAs) have the inherent advantages of leakage free, no encapsulation, negligible volume variation, as well as superior energy storage …
Read More(PDF) Synthesis and Electrochemical Energy Storage Applications of Micro/Nanostructured Spherical …
as energy storage devices due to their high theoretical specific capacity (1675 mA h g − 1), and energy density (2600 Wh kg − 1 ) [58]. Since 2009, LSBs have received increasing attention and ...
Read MoreAn improved dynamic analytical model and the parameter …
The spherical stacking latent thermal energy storage devices inherits the advantages of direct thermal energy usage efficiency and simplified practical applications that …
Read MoreNanomaterials | Free Full-Text | Synthesis and Electrochemical Energy Storage Applications of Micro/Nanostructured Spherical Materials …
Also, in SCs, spherical structures can generally increase the energy densities of energy-storage devices due to their large surface area, low density, and high weight fraction of active species. In this review, we mainly summarized the latest development on the micro/nanostructured spherical materials including the typical …
Read MoreScienceDirect
Supercapacitor is one type of ECs, which belongs to common electrochemical energy storage devices. According to the different principles of energy storage,Supercapacitors are of three types [9], [12], [13], [14], [15].One type stores energy physically and is ...
Read MoreEnergy Storage Materials
Over time, numerous energy storage materials have been exploited and served in the cutting edge micro-scaled energy storage devices. According to their different chemical constitutions, they can be mainly divided into four categories, i.e. carbonaceous materials, transition metal oxides/dichalcogenides (TMOs/TMDs), conducting polymers …
Read MoreTopology optimization design of inner fins in spherical phase …
Fig. 1 (a) is an illustration of the topology optimization design model. In this paper, a two-dimensional semicircle with a radius R of 50 mm is chosen as the model for the topology optimization design. The model is a cross-section of a spherical phase change capsule and the three-dimensional fin structure can be obtained by rotating the ...
Read MoreThermal Performance Analysis of Composite Phase Change …
In order to improve energy storage efficiency and promote the early achievement of global carbon neutrality goals, this paper proposes a spherical thermal …
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