Nature CommunicationsUpcycling spent layered oxides into high-capacity Li-rich materials for next-generation lithium-ion batteriesNengzhan ZhengYanfei ZhuHaocheng JiJunxiong WangZhuozhao WuGuanjun JiRuyu ShiBo LiGuangmin Zhou2026-05-25Full textDOI https://doi.org/10.1038/s41467-026-72531-4