Spectroscopic insights into the nature of active sitesin iron–nitrogen–carbon electrocatalysts for oxygen reduction in acid
Qingying Jia, Nagappan Ramaswamy, Urszula Tylus, Kara Strickland, Jingkun Li, Alexey Serov, Kateryna Artyushkova, Plamen Atanassov, Jacob Anibal, Cenk Gumeci, Scott Calabrese Barton, Moulay-Tahar Sougrati, Frederic Jaouen, Barr Halevi, and Sanjeev Mukerjee