Ye, S., Xie, Y., Liang, L., Shen, B., Liang, J., Zeng, B., Mei, B., Chen, C., Zhu, Y., Wang, Y., Cui, Z. (2026). Immiscible Metal‐Regulated Surface Segregation Enables Core–Shell Bi–PtMn Catalysts With Benchmark Performance in Direct Methanol Fuel Cells. Advanced Materials. https://doi.org/10.1002/adma.74062