AUTHOR=Zhang Chengbin , Liu Xiangdong TITLE=Editorial: Low-grade thermal energy conversion and utilization JOURNAL=Frontiers in Energy Research VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2024.1429487 DOI=10.3389/fenrg.2024.1429487 ISSN=2296-598X