pv magazine
Summary
Researchers in China have proposed a novel method for storing surplus renewable energy by converting it into compressed air and integrating it into urban district heating pipelines. In this concept, existing infrastructure used to circulate hot water or steam for building heating is repurposed as an energy storage medium. The system operates on an adiabatic principle, in which the heat generated during air compression is captured and reused rather than dissipated, improving overall efficiency.
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