Therefore, this paper studies the application status of underground space energy storage, especially the area of underground coal mines, and focuses on the

Abstract: As an underground space resource with great development prospects, mine is an important way to realize the large-scale development of compressed air energy storage.

This paper identifies the potential of salt caverns to be used for large-scale energy storage by analyzing the distribution of wind and solar energy resources in China, taking into account the grid-connected infrastructure of the Chinese power grid and the geographic location of salt mines.

Abstract: Underground Thermal Energy Storage (UTES) store unstable and non-continuous energy underground, releasing stable heat energy on demand. This

The share of new energy in China''s energy consumption structure is expanding, posing serious challenges to the national grid''s stability and reliability.As a result, it is critical to construct large-scale reliable energy storage infrastructure and smart microgrids. Based on the spatial resource endowment of abandoned mines'' upper and

Analyzing the yearly publication trend provides insights into a field''s evolution and scholarly interest [56].The utilization of biochar in electrochemical energy storage devices is a highly regarded research area with a promising future. As depicted in Fig. 1 a, there is an upward trend in the number of published papers in this domain, with a notable increase after 2018.

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

Batteries, which can provide short-term storage solutions, and pumped hydro storage, which can provide long-term energy storage with large generation capacities, are the

Subsequent comprehensive analysis of current linear motor characteristics seeks to identify the most suitable topology, aligned with motor performance criteria for a specific gravity

Abstract. In this study underground hydrogen storage in various storage types (aquifers, depleted deposits of natural gas and oil, salt caverns) is examined. A road map for the implementation of underground hydrogen storage is presented. Underground hydrogen storage does not significantly differ from natural gas storage.

The green evolution of energy storage technology is best exemplified by underground space energy storage, and its development prospects are very broad. It has the following advantages [46]: (1) Large energy

Hydrogen Energy Storage (HES) HES is one of the most promising chemical energy storages [] has a high energy density. During charging, off-peak electricity is used to electrolyse water to produce H 2.The H 2 can be stored in different forms, e.g. compressed H 2, liquid H 2, metal hydrides or carbon nanostructures [], which

The development barriers and prospects of energy storage sharing is studied. • A multi-dimensional barrier system and three application scenarios is identified. • The key barriers and the interrelationship between barriers are identified. •

2.2. Keyword visualization analysis of flywheel energy storage literature The development history and research content of FESS can be summarized through citespace''s keyword frequency analysis. Set the time slice to 2, divide the filtered year into five time zones

Compressed air energy storage (CAES) has the advantages of low construction cost, small equipment footprint, long storage cycle and environmental protection. Exploring the

In a comprehensive analysis of energy storage technology solutions, construction feasibility, social and economic benefits, etc., as a response to the problem

Received: 18 August 2021. Accepted: 28 September 2021 Published: 12 November 2021. Citation: Jiang D, Chen S, Liu W, Ren Y, Guo P and Li Z (2021) Underground Hydro-Pumped Energy Storage Using Coal Mine Goafs: System Performance Analysis and a Case Study for China. Front. Earth Sci. 9:760464. doi: 10.3389/feart.2021.760464.

The research results show that the gas storage capacity of mine gas storage system based on stepped gas compression increases with the increase of the number of the bearing