Low-cost, low-strain and lattice-water-rich Mn0.25(VO)0.75PO4·2.25H2O as high-rate and stable cathodes for aqueous Zn-ion batteries

Jingdong Guo, Weibing Ma, Zhiyuan Sang, Xueqi Zhang, Ji Liang, Feng Hou, Wenping Si, Song Wang, De’an Yang