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Efficient utilization of abandoned mines for isobaric compressed air

Download Citation | On Oct 1, 2024, Xianbiao Bu and others published Efficient utilization of abandoned mines for isobaric compressed air energy storage | Find, read and cite all the research you

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Numerical analysis of stress and deformation characteristics of

The use of abandoned coal mine tunnels as underground compressed air energy storage (CAES) facilities has garnered significant attention given that it effectively repurposes

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An overview of potential benefits and limitations of Compressed Air

Compressed Air Energy Storage (CAES) is one of the methods that can solve the problems with intermittency and unpredictability of renewable energy sources. The storage is charged by increasing air pressure with the use of electrically driven compressors, which convert the electric energy into potential energy. The pressurized air is stored in compressed air

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A Study on the Transient Response of Compressed Air Energy Storage

This study focuses on the renovation and construction of compressed air energy storage chambers within abandoned coal mine roadways. The transient mechanical responses of underground gas storage

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Energy from closed mines: Underground energy storage and geothermal

Global energy demand is set to grow by more than a quarter to 2040 and the share of generation from renewables will rise from 25% today to around 40% [1].This is expected to be achieved by promoting the accelerated development of clean and low carbon renewable energy sources and improving energy efficiency, as it is stated in the recent Directive (EU)

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Review Article Challenges and opportunities of energy storage

The underground space mined from coal mines as energy storage (CUCAES) can not only effectively utilize the original underground space and surface industrial equipment of

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Review Article Challenges and opportunities of energy storage

In 2019, Shanxi, China launched the world''s first coal mine tunnel compressed air energy storage power station project, the first phase of construction of 60 MW, a total scale of 100 MW compressed air energy storage power station, with a total investment of about 500 million yuan. Mountain gravity energy storage: a new solution for closing

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Underground Gravity Energy Storage: A Solution for Long-Term

Low-carbon energy transitions taking place worldwide are primarily driven by the integration of renewable energy sources such as wind and solar power. These variable renewable energy (VRE) sources require energy storage options to match energy demand reliably at different time scales. This article suggests using a gravitational-based energy storage method

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An overview of potential benefits and limitations of Compressed Air

Operationally, abandoned coal mines may safely store compressed air if the shafts and drifts are completely sealed from remaining coal seams to mitigate risks of tunnel wall leaks and ceilings

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Stability analysis for compressed air energy storage cavern with

Those abandoned coal mine underground spaces can be re-utilized as energy storage caverns. This can also bring new infrastructure investments and employment opportunities in renewable energy [8,15]. Thus, the re-utilization of abandoned underground coal mine spaces as storage caverns benefits both coal mines and renewable energy industries [9].

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Numerical analysis of stress and deformation characteristics of

The use of abandoned coal mine tunnels as underground compressed air energy storage (CAES) facilities has garnered significant attention given that it effectively repurposes unused underground space and enhances the efficiency of renewable energy utilization.

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A review on the development of compressed air energy storage

Luo et al. [79] proposed the early idea of using abandoned coal mines for energy storage to address the need for grid peaking and valley filling in the urbanization of developed mining areas in China. They found that the abandoned coal mine can be transformed into an urban energy center that integrates heat energy and electric energy dispatching.

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General concept of Compressed Air Energy Storage in abandoned coal mine

For example, Huntorf CAES in Germany and McIntosh CAES in USA [3,4]. The problem is the efficiency of these systems, which is why hybrid type of the HCAES (Hybrid Compressed Air Energy Storage) [2

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Stability analysis of the underground infrastructure for

Pag. 2 51 of those mines are flooded and its use as energy storage plants may be unfeasible. UPSH schemes are 52 suitable in non-flooded mines, where the maintenance costs are lower. In addition

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New Uses for Coal Mines as Potential Power Generators and Storage

In the context of sustainable development, revitalising the coal sector is a key challenge. This article examines how five innovative technologies can transform abandoned or in-use coal mines into sustainable energy centres. From solar thermal to compressed air energy storage, these solutions offer a path to a more sustainable future while addressing the decline

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Thermodynamic Analysis of Compressed Air Energy Storage

Million cubic meters from abandoned mines worldwide could be used as subsurface reservoirs for large scale energy storage systems, such as adiabatic compressed air energy storage (A-CAES).

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Journal of Energy Storage

A large number of voids from closed mines are proposed as pressurized air reservoirs for energy storage systems. A network of tunnels from an underground coal mine in northern Spain at 450 m depth has been selected as a case study to investigate the technical feasibility of adiabatic compressed air energy storage (A-CAES) systems.

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Journal of Energy Storage

The proposed energy storage system uses a post-mine shaft with a volume of about 60,000 m 3 and the proposed thermal energy and compressed air storage system can be characterized by energy capacities of 140 MWh at a moderate pressure of 5 MPa. Important features of the system that determine high values of electric energy storage efficiency, in

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Underground coal mine workings as potential places for Compressed Air

The proposed energy storage system uses a post-mine shaft with a volume of about 60,000 m 3 and the proposed thermal energy and compressed air storage system can be characterized by energy

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Typical scheme of shafts and tunnels network in coal mines

Some renewable/ sustainable post-mining solutions including underground reservoirs (Andrés et al., 2017), hydro-pumped energy storage (PHES) (Menéndez et al., 2017; Pujades et al., 2017

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Energy from closed mines Underground energy storage and

sustainable post-mining solutions include the geothermal use of mine one million [6]. Fig. 1 shows the main coal mining areas and salt de-posits in Europe. Lignite is predominantly mined in open pits while Pumped storage power plants and compressed air energy storage plants have been in use for more than a hundred and forty years, re-

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Three-dimensional thermo-mechanical analysis of abandoned mine

@article{Xu2021ThreedimensionalTA, title={Three-dimensional thermo-mechanical analysis of abandoned mine drifts for underground compressed air energy storage: A comparative study of two construction and plugging schemes}, author={Yingjun Xu and Shuwei Zhou and Caichu Xia and Hai-bin Zhao and Xiaodai Xue}, journal={Journal of Energy Storage

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Method for using coal mine underground tunnel for compressed air energy

A method for using a coal mine underground tunnel for compressed air energy storage: first reconstructing the cross section of the tunnel, specifically comprising: implementing high pressure grouting reinforcement of the rock mass surrounding the tunnel to form a large-range stable force-bearing layer; on the basis of the shape of the cross section of the tunnel, constructing a

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Three-dimensional thermo-mechanical analysis of abandoned mine

Under the operating pressure of 4.5–10 MPa, the daily air leakage in the compressed air storage energy cavern of Yungang Mine with high polymer butyl rubber as the sealing material is 0.62%

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Abandoned coal mine tunnels: Future heating/power supply centers

The quick urbanization of China provides two possible uses for the underground resource of a discarded coal mine: (1) a heating and air-conditioning center; or, (2) an energy storage peaking power station. In this sense a presently discarded coal mine could become a future energy center for a city.

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Technical feasibility of lined mining tunnels in closed coal mines

@article{Schmidt2024TechnicalFO, title={Technical feasibility of lined mining tunnels in closed coal mines as underground reservoirs of compressed air energy storage systems}, author={Falko Schmidt and Javier Men{''e}ndez and Heinz Konietzky and Zhongming Jiang and Jes{''u}s Manuel Fern{''a}ndez-Oro and Laura V. Alvarez and Antonio Bernardo-S

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Numerical analysis of stress and deformation characteristics of

The use of abandoned coal mine tunnels as underground compressed air energy storage (CAES) facilities has garnered significant attention given that it effectively repurposes unused underground space and enhances the efficiency of renewable energy utilization. However, existing coal mine tunnels, without optimization and retrofitting, may not meet the stability

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Stress redistribution in a multilayer chamber for compressed air

Compressed air energy storage (CAES) is attracting attention as one of large-scale renewable energy storage systems. Its gas storage chamber is one of key components for its success. A

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Stress redistribution in a multilayer chamber for compressed air energy

Compressed air energy storage (CAES) is attracting attention as one of large-scale renewable energy storage systems. Its gas storage chamber is one of key components for its success. A successful utilization of an abandoned coalmine roadway depends on the stability of the gas storage chamber.

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Overview of current compressed air energy storage projects and

India is projected to become the most populous country by the mid-2020s [2] upled with the nation''s rapid economic development, drive for electrification of rural communities and increasing urbanisation, the electricity demand of India will grow substantially in the coming decades [3].Additionally, the government of India has set the ambitious target of

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Analytical models for adiabatic compressed air energy storage (A

A network of tunnels from an underground coal mine in northern Spain at 450 m depth has been selected as a case study to investigate the technical feasibility of adiabatic

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Isothermal compressed wind energy storage using abandoned

Those abandoned coal mine underground spaces can be re-utilized as energy storage caverns. This can also bring new infrastructure investments and employment opportunities in renewable energy [8,15]. Thus, the re-utilization of abandoned underground coal mine spaces as storage caverns benefits both coal mines and renewable energy industries [9].

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About Coal mine tunnel air energy storage solution

About Coal mine tunnel air energy storage solution

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