Nature CommunicationsElucidating the Facet-Dependent Oxygen Reduction Reaction Performance of Cu Nanosheet over N-O co-Doped GrapheneShaojie LuYiping HuZhenwen LiLiyu ZhengLei XiongQin Yue2026-04-20Full textDOI https://doi.org/10.1038/s41467-026-70854-w