The underground space resources of abandoned coal mines in China are quite abundant, and the research and development of underground space energy storage technology in coal mines have many benefits.
Coal underground thermal energy storage (CUTES) is a form of energy storage that makes extensive use of the underground highways in closed mines as a place to store energy and to offer heating and cooling in the winter and summer months, respectively.
However, the key issues, such as the uneven heat transfer of the system and the corrosion and scaling of the heat transfer medium, need to continue to be addressed. (3) The potential for compressed air energy storage in coal mines'' underground spaces is enormous, and it can be used with less costly excavation.
(3) Provide financial incentives, such as subsidies, tax breaks and investment incentives, to attract investors to participate in coal mine energy storage projects. (4) Support technological innovation and R & D to promote the application and commercialization of new technologies in the field of coal mine energy storage.
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These abandoned mines still contain approximately 42 billion tons of coal resources, nearly 500 billion m 3 of unconventional natural gas, 1.38 × 10 10 m 3 underground space, and …
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Utilizing abandoned coal mines fo compressed air energy storage (CAES) presents a promising solution. Considering the widespread occurrence of high water levels in southern China''s coal …
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In the heart of China’s coal mining regions, a revolutionary concept is taking shape, promising to transform the way we think about energy storage and renewable …
The energy storage and generation from abandoned coal mines and mine reservoirs is about 1.5 times of China''s total annual power generation in 2014 (Ge et al., 2020).
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