?url_ver=Z39.88-2004&rft_id=10.3390%2Fcatal10080822&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Han%2C+S.J.&rft.aufirst=S.J.&rft.aulast=Han&rft.volume=10&rft.date=2020&rft.issue=8&rft.title=Catalysts&rft.issn=20734344&rft.atitle=Catalytic+evaluation+of+nanoflower+structured+manganese+oxide+electrocatalyst+for+oxygen+reduction+in+alkaline+media&rft.genre=article