Technical requirements and economic benefit evaluation of interaction between vessel charging and battery swapping stations and power GridJun Guo Jia, Jian Xu Xing, Jin Hai Song, Chao Yun Xiao, Jun Jia, Hai Feng Liu and Song Song ZhengE3S Web Conf., 256 (2021) 01011DOI: https://doi.org/10.1051/e3sconf/202125601011