Nature CommunicationsUnveiling the coupling effect of sp2 domain size and local active sites in switching the selectivity of nanocarbon catalysts toward the oxygen electro-reductionChaowei YangFei SunYi ZhangZhibin QuJiayu ZuoWei ZhouJihui GaoShaoqin LiuYunfeng Lu2025-12-16Full textDOI https://doi.org/10.1038/s41467-025-66161-5