AUTHOR=Shi Liguo , Guan Xuelin , Gao Kuanzhi , Pang Lijun , Liu Yanqing , Xu Zhigen TITLE=Key technologies of rural integrated energy system with renewable energy as the main body JOURNAL=Frontiers in Energy Research VOLUME=10 YEAR=2022 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2022.979599 DOI=10.3389/fenrg.2022.979599 ISSN=2296-598X