Atomically dispersed Fe in a C2N Based Catalyst as a Sulfur Host for Efficient Lithium–Sulfur Batteries

ICN2 is supported by the Severo Ochoa program from Spanish MINECO (Grant No. SEV‐2017‐0706) and is funded by the CERCA Programme/Generalitat de Catalunya. Part of the present work has been performed in the framework of Universitat Autonoma de Barcelona Materials Science PhD program. J.D. has received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowka‐Curie grant agreement No 665919 (P‐SPHERE) co‐funded by Severo Ochoa Programme. Z.L. acknowledges funding from MINECO SO‐FPT PhD grant (SEV‐2013‐0295‐17‐1). This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 823717‐ESTEEM3. The present work is supported by the European Regional Development Funds and by the Spanish MINECO through the projects SEHTOP, ENE2016‐77798‐C4‐3‐R, and ENE2017‐85087‐C3. D.Y., X.W., and C.Z. thank the China Scholarship Council for the scholarship support. P.T. acknowledges Humboldt Research Fellowship for Postdoctoral Researchers sponsored by the Alexander von Humboldt Foundation. J.L. obtained International Postdoctoral Exchange Fellowship Program (Talent‐Introduction program) in 2019 and is grateful for the project (2019M663468) funded by the China Postdoctoral Science Foundation. Authors acknowledge funding from Generalitat de Catalunya 2017SGR327 and 2017SGR1246. J.L. is a Serra Hunter Fellow and is grateful to MICINN/FEDER RTI2018‐093996‐B‐C31, GC 2017 SGR 128 and to ICREA Academia program. The authors thank Jessica Padilla, Dr. Albert Llorente Mola, and Dr. Tariq Jawhari support in ICN2, IREC and UB, respectively for the help in additional analyses performed in the samples.