Fe Loading Triggers High-Spin State: Expediting H 2 O/O 2 Swap in Fuel Cell Cathodes - Hao Wan; Xiuxuan Hou; Si Chen; Zhechen Fan; Lin Lin; Yixuan Yin; Weiyi Zhao; Lina Hou; Huan Yan; Ying Wang; Junjie Ge (Journal of the American Chemical Society, 2026)