The performance monitoring of energy storage pipelines has been investigated using efficient optical strain sensors. Leakage and corrosion are major hazard that occur in underground energy storage pipelines due to cracks, drilling, geohazards and…
Temperature and pressure variations have important significance in environmental protection and safety operation of oil reservoir in salt caverns. Shrinkage of salt caverns, effect of permeability and fluid thermal pressurization rate were discussed…
It is becoming more widely accepted that hydrogen could become an important energy carrier in the quest for sustainability because it offers several benefits related particularly to the potential for energy storage. Natural gas pipelines can…
Resilience is defined as the ability of the power system to maintain a desirable level of performance against severe turbulence and restore over an appropriate period of time. Adverse weather conditions and natural disasters have always led to…
Driven by global environmental emission issues, energy access in remote communities, and tighter requirements for system resilience and reliability, electricity production is shifting from a centralized paradigm to a decentralized one. In this…
The long-term Generation Expansion Planning (GEP) problem determines the optimal type of energy technologies, size, location, and time construction of new power generation plants, while minimizing total cost over a long planning horizon and being…
The long-term Generation Expansion Planning (GEP) problem determines the optimal type of energy technologies, size, location, and time construction of new power generation plants, while minimizing total cost over a long planning horizon and being…
Safety of any energy storage technology is a key attribute for all existing power plants and energy storage utilities. Another no less important area is the storage of energy in biogas plants where gas formation is time-dependent. Accumulation of…
The increasing penetration of electric vehicles (EVs) and natural gas-fueled vehicles (NGVs) has introduced higher potentials for strengthening the coordination of transportation, natural gas, and electric networks. This article proposes the concept…
China’s second offshore natural gas hydrate production reveals the urgency and potential demand for ship-based gas storage and transportation technology. Three possible gas storage processes including hydrate-based natural gas (HNG), pressurized…
Organic redox polymers have received increasing attention as battery electrode materials due to their low toxicity and the possibility to produce them from renewable resources or petroleum. Phenothiazine is a redox-active group with highly reversible…
Flexible electronic devices (FEDs) based on hydrogels are attracting increasing interest, but the fabrication of hydrogels for FEDs with adhesiveness and high robustness in harsh-temperature conditions and long-term use remains a challenge. Herein,…
The continual increase in energy demand and inconsistent supply have attracted attention towards sustainable energy storage/conversion devices, such as electrochemical capacitors with high energy densities and power densities. Perovskite oxides have…
The nanocomposites of tungsten oxide and cadmium sulfide (WO3-nCdS) with different mass ratios (n = 0 %, 5 %, 15 %, 30 % and 100 %) of CdS in WO3 were synthesized by pulsed laser ablation in liquid (PLAL). Anchoring of CdS on WO3 brought about…
N-doping can endow carbon materials with high electrochemical activity. Besides the widely validated sp2-hybridized nitrogen doping, sp-hybridized nitrogen (sp-N) atoms are also expected to be new active sites. However, both sp-N atoms and cyano (CN)…
Oxide perovskites have emerged as an important class of materials with important applications in many technological areas, particularly thermocatalysis, electrocatalysis, photocatalysis, and energy storage. However, their implementation faces…
Kitchen waste (KW) can be regarded not only as waste, but as a kind of resource, which is composed of a large amount of energetic and nutritional ingredients. KW derived hydrochar (KWHC) is the carbonaceous materials obtained through the hydrothermal…
A green, clean, and rapid process employing sunlight for converting a large quantity of graphene oxide (GO) into reduced graphene oxide (rGO) is presented herein. In this protocol, the sunlight is concentrated using a Fresnel lens and focused on GO,…
The hard/soft CoFe2O4/(NiSc0.03Fe1.97O4)x (0 x 5) or simply (CFO-xNFSO) nanocrystals (NCs) were synthesized through solgel auto-combustion technique. The structural and magnetic properties of the ferrite composite NCs were explored in detail. The…
Rational construction of multidimensional composites with abundant heterointerfaces is still a persistent challenge, especially dual interface structure. Herein, a facile interface engineering strategy has been put forward to construct…
The hierarchically porous hollowcarbon spheres (HPHCSs) are synthesized by activating the hollowcarbon spheres (HCSs) derived from the template-directing method using SiO2 spheres and waste tire pyrolysis oil (WTPO) as templates and carbon precursor,…
To drive the next 'technical revolution' towards commercialization, we must develop sustainable energy materials, procedures, and technologies. The demand for electrical energy is unlikely to diminish over the next 50 years, and how different…
We study the melting process of phase change materials (PCM) inside a shell-and-tube heat exchanger with punched-fin and slit-fin numerically based on the enthalpy-porosity model in the present paper. The phase change material used is paraffin wax. A…
Natural gas is considered a potentially available and ecologically preferable fuel, comparing to other liquid fossil fuels. Safe and sustainable energy storage device is one of the bases for changing the current energy systems. The system is to use…
This study presents an evaluation framework for the techno-economic-environmental (TEE) performance of the integrated multi-vector energy networks (IMVENs) including geothermal energy. Geothermal energy storage (GES) offers huge potential for both…
Nanostructured MgAl2O4 and TiO2 were successfully synthesized in phase pure form using well know co-precipitation method. The composites of MgAl2O4 with various concentrations of TiO2 (5 %, 10 %, 20 %, and 50 %) were prepared by vertexing technique.…
Salt cavern gas storage is an important strategic method to shave the fluctuation of supply- demand of natural gas in China. However, due to low grades of salt beds, there remains lots of insoluble sediments accounting for 1/3 up to 2/3 of the…
The development of binder-free flexible electrode materials with high surface area and high electrical conductivity is desirable but remains a serious challenge for pseudocapacitive energy storage. In this work, a universal method is developed for…
2D transition metal dichalcogenides (TMDCs) are among the most exciting materials of today. Their layered crystal structures result in unique and useful electronic, optical, catalytic, and quantum properties. To realize the technological potential of…
Various two-dimensional (2D) materials have demonstrated unique structure-dependent characteristics that are conducive to energy-harvesting applications. Among them, the family of layered MXenes has found a wide range of applications in batteries,…
Storage system utilization provides a pivotal support for techno-economic integration of renewables. However, a precise modeling and estimation for optimal sizing of an energy storage system (ESS) combined with their optimal allocation is pertinent…
Layered MoSe2 with a large interlayer has been regarded as an attractive host for larger-sized Na+/K+ ions. Nevertheless, serious volume effects and aggregation trends upon cycling are still great challenges for sodium-ion batteries (SIBs) and…
A hybrid electrical energy storage system (EESS) consisting of supercapacitor (SC) in combination with lithium-ion (Li-ion) battery has been studied through theoretical simulation and experiments to address thermal runaway in an electric vehicle. In…
Based on the air source phase change energy storage cascade heat pump heating system, two typical weather conditions of sunny, rainy and snow weather are selected to collect experimental data for each part of the heat pump and energy storage. The…
Lithium-ion capacitors (LICs) composed of battery-type anodes with large energy densities and capacitor-type cathodes with high power densities are considered as appealing energy-storage devices. Here, a LIC with good performance is constructed using…
3D carbon-based materials with multiscale hierarchy are promising electrode materials for electrochemical energy storage and conversion applications, but the synthesis in an efficient and large-scale way is still a great challenge. Herein, a carbon…
Globally increasing carbon dioxide emissions, as the result of increased anthropogenic activities, has been an environmental challenge for recent years, due to the significant contribution of CO2 to global warming and air pollution. Therefore,…
Strontium doped glass was synthesized by the conventional melt-quenching technique. Systematically measured dielectric properties revealed relaxor ferroelectric-like behavior in a broad range of frequency and temperature. The glassy nature of the…
Lithium-ion batteries (LIBs), with their advantages of high specific capacity, long cycling life and eco-friendliness, have been widely used in many fields. Dwindling reserves, however, limit their further development. Sharing similar chemical…
Planning of an islanded hybrid system (IHS) with different sources and storages to supply clean, flexible, and highly reliable energy at consumption sites is of high importance. To this end, this paper presents the design of an IHS with a wind…
A class of two-dimensional (2D) transition metal nitrides and carbides (MXenes) has emerged as a promising paradigm. Their unique architecture such as controllable interfacial chemistry, high electronic conductivity, tunable layered structures, etc.,…
This paper presents an energy storage system (ESS) sizing model and reliability assessment framework to quantify reliability improvements due to ESS of electric energy systems with high penetration of renewables. The model formulation takes into…
Either CoxSy transition metal sulfide or reduced graphene oxide (RGO) has become major electrode material for supercapacitor. Herein, nanostructured RGO@CoxSy composites were optimized by different sulfur sources and a one-step solvothermal method.…
Zinc-based energy storage devices have received extensive attention because of their low-cost and high-safety characteristics. Numerous breakthroughs have been made in this field in recent years. Some special applications, such as polar inspections,…
Rational design and sustainable preparation of high-performance carbonaceous electrode materials are important to the practical application of supercapacitors. In this work, a cost-effective synthesis strategy for nitrogen and oxygen co-doped porous…
This paper introduces a novel solar-assisted heat pump system with phase change energy storage and describes the methodology used to analyze the performance of the proposed system. A mathematical model was established for the key parts of the system…
Recent research findings indicate that the non-monotonic consumption of energy from lithium-ion (Li-ion) batteries results in a higher heat generation in electrical energy storage systems. During peak demands, a higher heat generation due to high…
The rapid depletion of fossil fuels has catalysed the research on alternative renewable energy resources and energy storage devices. Electrochemical energy storage (EES) devices have gained popularity among energy storage devices due to their…
The transition metal carbides/nitrides referred to as MXenes has emerged as a wonder material presenting newer opportunities owing to their unique properties such as high thermal and electrical conductivity, high negative zeta-potential and…