Yuan, K., Sfaelou, S., Qiu, M., Lützenkirchen-Hecht, Dirk, M., Zhuang, X., Chen, Y., Yuan, C., Feng, X., & Scherf, U.(2018).Synergetic Contribution of Boron and Fe--N x Species in Porous Carbons toward Efficient Electrocatalysts for Oxygen Reduction Reaction.ACS Energy Letters,3(1),252--260.