Nature CommunicationsDiffusion models enable high-fidelity prediction of fuel cell impedance spectrum from short time-domain profilesHao YuanDayi TanZhihua ZhongJiangong ZhuPingwen MingXuezhe WeiHaifeng Dai2026-02-10Full textDOI https://doi.org/10.1038/s41467-026-69321-3