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heaven_jay

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[求助] 电化学活性比表面的测量

请问电化学活性比表面积(electrochemical  active surface area))怎么测量的呢?
文献上有两种ECSA测量,一种是通过TEM,算出ds,进而算出ECSA(TEM)
另一种是ECSA(H-UPD)The charges  associated to  the  H-UPD process in acidic  electrolytes  (averaged  over  the  adsorption  and  the  desorption  process,  see  the voltammograms  reported  in Figure3)  were  turned  into  electrochemical  active  surface  areas, ECSAH-UPD,  by  using  the  reference  charge  densities  (210  μC cm-2 for  Pt,  205  μC cm -2 for Pd and 198 μC cm-2 for  Ir).  
后一种是怎么算的呢?求高手赐教!

电化学活性比表面的测量
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