ABSTRACT Compressed air energy storage (CAES) is a concept for electric utility application which stores energy generated during periods of low demand and releases that
Since the volume change in the underground cavern is restricted and very small, the internal energy is determined by air-mass flow, specific heat, and air temperature.
A reasonable support could ensure the stability and tightness of underground caverns for compressed air energy storage (CAES). In this study, ultra-high performance
In this work, the characteristics, key scientific problems and engineering challenges of five underground large-scale energy storage technologies are discussed and
In this paper, we investigate the influence of the excavation damaged zone (EDZ) on the geomechanical performance of compressed air energy storage (CAES) in lined
Low-carbon generation technologies, such as solar and wind energy, can replace the CO2-emitting energy sources (coal and natural gas plants). As a sustainable engineering
ABSTRACT. Compressed Air Energy Storage (CAES) is a hybrid energy storage and generation concept that has many potential benefits especially when coupled with
Maintaining air quality in enclosed subterranean spaces is critical. State-of-the-art ventilation systems use sensors to monitor and regulate air flow, ensuring adequate oxygen
Underground thermal energy storage (UTES) is defined as a system that stores energy by pumping heat into underground spaces, typically utilizing water as the storage medium. It
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). In
Energy storage technologies can be categorized into surface and underground storage based on the form of energy storage, as illustrated in Fig. 1. Surface energy storage
Framework of underground energy systems is clarified based on storage space, stored materials, heat or electrical energy.
To demonstrate the feasibility of using flexible concrete in CAES underground caverns, this study compares the mechanical response of these caverns with different lining forms and varying
Abstract Compressed Air Energy Storage (CAES) in underground caverns can be used to generate electrical power during peak demand periods. The excess power generation capacity,
In the current energy transition, abandoned mines can be used as strategic large scale energy storage systems. Lined mining drifts can store compressed air at high pressure in
<p>With the demand for peak-shaving of renewable energy and the approach of carbon peaking and carbon neutrality goals, salt caverns are expected to play a more effective
In the future plans, salt caverns will play a crucial role throughout the entire carbon cycle by facilitating carbon storage, compressed air storage, and hydrogen storage.
High-pressure air storage in abandoned mine roadways offers a promising approach for renewable energy utilization, but the gas-tightness of the rock-concrete interface
Compressed air energy storage (CAES) is a large-scale energy storage technique that has become more popular in recent years. It entails the use of superfluous
Compressed air energy storage (CAES) in underground mine tunnels using the technique of lined rock cavern (LRC) provides a promising solution to large-scale energy
There are massive abandoned coalmines and corresponding underground space, which provides a viable solution to energy storage of renewable energy generation.
Another promising technology is compressed air energy storage (CAES), which involves compressing air into underground caverns or other spaces during periods of low
The structural integrity of the interface between a concrete plug and the surrounding rock may be compromised during frequent cycles of air charging, discharging, and
In the present study, the concept of concrete foundation piles was used as an underground storage medium. This system requires no additional drilling costs or space, unlike
In this Special Issue, advances in underground pumped storage hydropower, compressed air energy storage, and hydrogen energy storage systems are presented as
Analytical solution for load sharing in the structure of an underground lined rock cavern for compressed air energy storage and analysis#br# of influencing factors
Compressed air energy storage in hard rock caverns：airtight performance,thermomechanical behavior and stability ZHANG Guohua1,2,WANG Xinjin1,XIANG Yue1,PAN
This study comprehensively evaluates the stability of Compressed Air Energy Storage Roadways (CAES-R) under multiple operating frequencies by simultaneously considering creep and cyclic
Additionally, a notable secondary application involves utilizing underground mines and caverns (mainly granite, slate or salt) as oil or gas storage reservoirs [4,5] or for hydrogen storage and
One way to ensure large-scale energy storage is to use the storage capacity in underground reservoirs, since geological formations have the potential to store large volumes
In this study, considering an underground lined rock cavern for compressed air energy storage (CAES), the mechanical properties of a lining system, that is, concrete lining and plug under periodic
1. Introduction Large scale energy storage systems are required to facilitate the penetration of variable renewable energies in the electricity grids [1–4]. Underground space from abandoned
These groundwater pressure for air tightness, and the other was a lined old mine cavern. and energy supplies. Potential sites for underground compressed air storage are grouped into three bearing aquifers or depleted gas or oil fields . Among these categories, note that salt formations can
The main types of underground compressed air energy storage caverns are salt caverns, artificially excavated hard-rock caverns, and abandoned mineral cavern retrofit caverns. Salt caverns do not require lining due to their tight sealing properties, but the dissolved salt rock creates an irregularly shaped cavern.
CAES in crystalline rock caverns has been studied in two feasibility tests in Japan [6, 7]. These groundwater pressure for air tightness, and the other was a lined old mine cavern. and energy supplies. Potential sites for underground compressed air storage are grouped into three bearing aquifers or depleted gas or oil fields .
Compressed air energy storage (CAES) is considered one of the critical technological approaches to bridging the gaps between clean electricity production and electricity demand.
The incremental air mass stored at 6.25 MPa, relative to a CAES storage efficiency perspective. material parameters listed in Table 1. Initial thermodynamic and fluid-flow conditions for this (Figure 9). At this stage, the gas saturation in the concrete lining has increased to about 60%.
lining is not necessarily required in an underground storage cavern, in terms of energy balance. 5. Conclusions and Discussion transport associated with underground compressed air energy storage (CAES) in lined rock caverns. assured.
