Decoupling the Contributions of Different Instability Mechanisms to the PEMFC Performance Decay of Non-noble Metal O₂-Reduction Catalysts

DOI: 10.1021/jacs.2c12751 Authors: Seçil Ünsal, Robin Girod, Christian Appel, Dmitry Karpov, Michel Mermoux, Frédéric Maillard, Viktoriia A. Saveleva, Vasiliki Tileli, Thomas J. Schmidt, Juan Herranz Abstract: Non-noble metal catalysts (NNMCs) hold the potential to...

Nitrogen and phosphorus co-doped carbon modified activated carbon as an efficient oxygen reduction catalyst for microbial fuel cells

DOI: 10.1039/c7ra12907f Authors: Kang Lv, Hua Zhang, Shuiliang Chen Abstract: Activated carbon (AC) is an environmentally sustainable oxygen reduction reaction (ORR) catalyst and widely used in MFCs due to its intrinsic high specific surface area and mesoporous...

Stable platinum nanoclusters on genomic DNA–graphene oxide with a high oxygen reduction reaction activity

DOI: 10.1038/ncomms3221 Authors: Jitendra N. Tiwari, Krishna Nath, Susheel Kumar, Rajanish N. Tiwari, K. Christian Kemp, Nhien H. Le, Duck Hyun Youn, Jae Sung Lee, Kwang S. Kim Abstract: Nanosize platinum clusters with small diameters of 2-4 nm are known to be...

Pyridinic and graphitic nitrogen-rich graphene for high-performance supercapacitors and metal-free bifunctional electrocatalysts for ORR and OER

DOI: 10.1039/c7ra01355h Authors: Shaikh Nayeem Faisal, Enamul Haque, Nikan Noorbehesht, Weimin Zhang, Andrew T. Harris, Tamara L. Church, Andrew I. Minett Abstract: A facile synthesis of nitrogen-doped graphene with high atomic percentages of pyridinic N and graphitic...

Importance of broken geometric symmetry of single-atom Pt sites for efficient electrocatalysis

DOI: 10.1038/s41467-023-38964-x Authors: Junsic Cho, Taejung Lim, Haesol Kim, Ling Meng, Jinjong Kim, Seunghoon Lee, Jong‐Hoon Lee, Gwan Yeong Jung, Kug‐Seung Lee, Francesc Viñes, Francesc Illas, Kai S. Exner, Sang Hoon Joo, Chang Hyuck Choi Abstract: Platinum...