Comment on "In-situ synthesis of Co3O4 nanocrystal clusters on graphene as high-performance oxygen reduction reaction electrocatalysts" by Juanjuan Yin et al. (Yin JJ, Guo YY, Liu ZW, et al. In-situ synthesis of Co3O4 nanocrystal clusters on graphene as high-performance oxygen reduction reaction electrocatalysts.
Mater Technol. 2022;37(12):2106-3. doi:10.1080/10667857.2021.1934359 .)