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洡_洡

金虫 (小有名气)

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专业: 电化学

[求助] 四氧化三铁&ORR的文章修改

At 1600 rpm, a current density of ~ -5.5 mA/cm2_disk should be observed if the physical constants are inserted into Eq 4 and 5. Why is the expected limiting current observed for Pt/C but not Fe3O4? Could this be a coverage effect? If the limiting current is different from the one predicted by Eq. 4 and 5, how can these equations be valid to extract the number of electrons transferred (3.8)?

[ Last edited by 洡_洡 on 2015-7-23 at 15:12 ]

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