DOI: 10.1016/j.enconman.2024.118262 Corpus ID: 268326608; Energy, exergy, and economic analyses of a novel liquid air energy storage system with cooling, heating, power, hot water, and hydrogen cogeneration
Wang et al. developed the liquid CO 2 energy storage (LCES) system [19], CO 2 is liquid phase in both low-pressure and high-pressure tanks, and the concept of cold storage unit was proposed to recycle the cold energy of low-pressure CO 2. The energy density was increased and the throttle loss was reduced in this adiabatic LCES system.
Liquid air energy storage manages electrical energy in liquid form, exploiting peak-valley price differences for arbitrage, load regulation, and cost reduction. It also serves as an emergency
Renewable energy and energy storage technologies are expected to promote the goal of net zero-energy buildings. This article presents a new sustainable energy solution using photovoltaic-driven liquid air energy storage (PV-LAES) for achieving the combined cooling, heating and power (CCHP) supply.
Since 2005, when the Kyoto protocol entered into force [1], there has been a great deal of activity in the field of renewables and energy use reduction.One of the most important areas is the use of energy in buildings since space heating and cooling account for 30-45% of the total final energy consumption with different percentages from country to country [2] and 40% in the European
The purpose of proposing this system, which has a cold energy storage system similar to that used by Guizzi et al. [1], is to propose an energy storage system that has the ability to supply heating and cooling, thereby reducing the heating and cooling loads and allowing higher amounts of electrical energy to be stored. The operation of the proposed system during the
Energy storage systems (ESS) have the power to impart flexibility to the electric grid and offer a back-up from liquid to gas, energy (heat) is absorbed. The compressor acts as the refrigerant pump and recompresses the gas into a liquid. The condenser expels both the heat absorbed at the evaporator and between competing cooling and
The combined cooling, heating and power system (CCHP) is a promising option to mitigate the energy crisis and environmental pollution problems due to its higher system efficiency and lower pollutant emissions [1].The CCHP system has different configurations and can provide multiple products for the end-users [2].The implemented prime movers in the
The increasing global demand for reliable and sustainable energy sources has fueled an intensive search for innovative energy storage solutions [1].Among these, liquid air energy storage (LAES) has emerged as a promising option, offering a versatile and environmentally friendly approach to storing energy at scale [2].LAES operates by using excess off-peak electricity to liquefy air,
Energy, exergy, and economic analyses of a novel liquid air energy storage system with cooling, heating, power, hot water, and hydrogen cogeneration. Author links followed by the LP units. The combination of liquid spray technology can decrease the highest temperature of carbon dioxide in the pressure vessel from 358.80 K to 309.39 K and
Request PDF | On Apr 1, 2024, Xingqi Ding and others published Energy, exergy, and economic analyses of a novel liquid air energy storage system with cooling, heating, power, hot water, and
Based on the conventional LAES system, a novel liquid air energy storage system coupled with solar energy as an external heat source is proposed, fully leveraging the
The energy storage unit can significantly address the issue of mismatch between the energy supply and demand of the combined cooling, heating and power (CCHP) system. Therefore, this article proposes a micro-gas turbine coupled with low-concentrating photovoltaic/thermal CCHP system with thermal energy storage active regulation, which can
The combined cooling and heating system with energy storage (CCHES) is a promising option for achieving efficient cold and heat supply. The above analyses are conducted on the foundation of the unit price of peak and valley electricity in China. A novel two-stage compression air-source heat pump cycle combining space heating, cooling
In the paper "Liquid air energy storage system with oxy-fuel combustion for clean energy supply: Comprehensive energy solutions for power, heating, cooling, and carbon
Energy storage systems combining cooling, heating, and power have higher flexibility and overall energy efficiency than standalone systems. However, achieving a large cooling-to-power ratio in direct-refrigeration systems without a phase change and in indirect refrigeration systems driven by heat is difficult, limiting the energy output of the system.
The incorporation of PCMs improves the performance of energy storage systems and applications that involve heating and cooling. The most widely studied application of PCMs has been in building works undertaken 25°–60°N and 25°–40°S, with a focus on enhancing building energy efficiency in the building envelope to increase indoor comfort and reduce
Box-type phase change energy storage thermal reservoir phase change materials have high energy storage density; the amount of heat stored in the same volume can be 5–15 times that of water, and the volume can also be 3–10 times smaller than that of ordinary water in the same thermal energy storage case [28]. Compared to the building phase change
To study the performance of the proposed design a prototype with two sorption storage units with a combined volume of 1.25 m 3 (1.1 m 3 of silica gel)connected to solar collectors with an area of 20.4 m 2 was installed in a low energy house to provide heating and domestic hot water production. Two heat sink options for condensation were provided.
In this paper, a combined cooling, heating, and power (CCHP) system with thermal storage tanks is introduced. Considering the plants'' off-design performance, an efficient methodology is
Energy, exergy, and economic analyses of a novel liquid air energy storage system with cooling, heating, power, hot water, and hydrogen cogeneration introduced an LAES system integrated with a coal-fired unit, utilizing heat exchange between water/steam in the coal-fired unit and compressed/expanded air in the LAES system. The hybrid system
The heating and cooling loads include space heating, ventilation, hot water provision, and space cooling (to maintain constant temperature levels for laboratories and high-performance computing rooms). Similar configurations are also seen in the residential building, except that a thermal energy storage is deployed to store heat from the heat
Wang et al. [25] researched these energy reuse technologies and proposed a novel pumped thermal-LAES system with an RTE between 58.7 % and 63.8 % and an energy storage density of 107.6 kWh/m3 when basalt is used as a heat storage material. Liu et al. [26] analyzed, optimized and compared seven cold energy recovery schemes in a standalone
To improve the energy response rate of the upstream PGU and downstream waste heat utilisation unit, the thermal energy storage/release rate of the CCHP system, which is the speed at which the energy storage system stores and releases thermal energy per unit time, is defined as an important indicator that affects its active regulation effect (Fig. 2). If the energy
Researchers at Dongguk University in South Korea have designed a standalone liquid air energy storage (LAES) system that reportedly demonstrates significant improvements in both energy...
Fig. 1 presents a comparison of various available energy storage technologies. Among the various energy storage systems, pumped hydro storage (PHS), compressed air energy storage (CAES), and liquid air energy storage (LAES) systems are regarded as key systems that are suitable for large-scale energy storage and integration into power grids [4].PHS systems are
The presented results confirmed an adequate system behaviour, with the measured adit water temperature matching the predictions. The use of water storage in GSHP systems allowed for consistent year round cooling and heating, with the energy efficiency of the system dependent on water quality, temperature, and maintenance of the water tank.
The condensed liquid refrigerant is then stored inside the liquid tank. The thermal energy can be stored for a desirable period of time as long as the valve between the S/G reactor and the liquid tank is closed. Fig. 8 shows the working performance of the combined cooling and heating storage mode using solid–gas thermochemical sorption
The work of Zhang et al. [24] also revealed that indirect liquid cooling performs better temperature uniformity of energy storage LIBs than air cooling. When 0.5 C charge rate was imposed, liquid cooling can reduce the maximum temperature rise by 1.2 °C compared to air cooling, with an improvement of 10.1 %.
This article proposes a new multi-functional system that can integrate the PV power generation and the liquid air energy storage (LAES), and satisfy the annual cooling,
4 天之前· The heat from solar energy can be stored by sensible energy storage materials (i.e., thermal oil) [87] and thermochemical energy storage materials (i.e., CO 3 O 4 /CoO) [88] for heating the inlet air of turbines during the discharging cycle of LAES, while the heat from solar energy was directly utilized for heating air in the work of [89].
Indirect liquid cooling is a heat dissipation process where the heat sources and liquid coolants contact indirectly. Water-cooled plates are usually welded or coated through thermal conductive silicone grease with the chip packaging shell, thereby taking away the heat generated by the chip through the circulated coolant [5].Power usage effectiveness (PUE) is
4 天之前· Due to the instability of solar radiation, energy storage technology is key to the application of solar energy [8].Currently, Thermal Energy Storage (TES) technology presents a cost-effective alternative to battery-based electrochemical energy storage systems, rendering it more suitable for large-scale solar energy applications by reducing overall costs and
Liquid air energy storage (LAES) has been regarded as a large-scale electrical storage technology. In this paper, we first investigate the performance of the current LAES (termed as a baseline LAES) over a far
Furthermore, the energy storage mechanism of these two technologies heavily relies on the area''s topography [10] pared to alternative energy storage technologies, LAES offers numerous notable benefits, including freedom from geographical and environmental constraints, a high energy storage density, and a quick response time [11].To be more precise,
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