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. 2024 Dec 30;15:10758. doi: 10.1038/s41467-024-55041-z

Fig. 2. Effects of trace Fe sites on the Bacillus pumilus-derived carbon material.

Fig. 2

a Schematic of the preparation of microbial treatment samples of Bacillus pumilus(Fe−). b Changes in the metal content between the Bacillus pumilus- and Bacillus pumilus(Fe−)-derived carbon materials. c Differences in H2O2 selectivity between the Bacillus pumilus- and Bacillus pumilus(Fe−)-derived carbon materials. d Differences ORR potential between the Bacillus pumilus- and Bacillus pumilus(Fe−)-derived carbon materials. During the electrochemical measurements, 85% iR compensation was applied.