Nature CommunicationsSequential-chain coupling over hierarchical click-sites enables highly selective urea electrosynthesisYuntong SunMeng TianQian WuXiaoyuan ZhangYin HuangMin ZhengWenyao ZhangJunwu ZhuZhichuan J. Xu2026-02-05Full textDOI https://doi.org/10.1038/s41467-026-69207-4