Division of Electrical Electronic and Information Engineering Graduate School of Engineering Osaka University Suita, Osaka 565-0871 Japan
Present address: Faculty of Physics VNU-University of Science Vietnam National University Hanoi, Thanhxuan, Hanoi 120-034 Vietnam
Kyoto Institute of Technology Matsugasaki, Kyoto 606-8585 Japan
The Institute of Scientific and Industrial Research Osaka University Mihoga-oka, Ibaraki, Osaka 567-0047 Japan
Osaka R&D Laboratory Daihachi Chemical Industry Co.,LTD. 3-5-7 Chodo Higashiosaka, Osaka 577-0056 Japan
Center for Scientific Instrument Renovation and Manufacturing Support Osaka University Mihoga-oka, Ibaraki, Osaka 567-0047 Japan
Department of Applied Chemistry Graduate School of Engineering Osaka University Yamada-oka, Suita, Osaka 565-0871 Japan
KANEKA Fundamental Technology Research Alliance Laboratories Graduate School of Engineering Osaka University Yamada-oka, Suita, Osaka 565-0871 Japan
The Cover Feature shows the controlled generation of micropores for electrocatalytic activity toward the oxygen reduction reaction. The pyrolysis of iron‐containing polyanilines was controlled by the molecular weight (MW) difference of polyanilines to give pyrolyzed products with enhanced surface area. The obtained pyrolyzed product prepared from polyaniline with MW of 100,000 showed higher electrocatalytic activity in acidic media than that with MW of 5,000. More information can be found in the Communication by Y. Inada, T. Hirao, and co‐workers (DOI: 10.1002/cplu.202000363).
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