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| A COMPUTER ANALYSIS METHOD FOR GALVANOSTATIC CHARGE CURVE |
| Sun Huyuan; Wei Xujun(Northeastern University ) |
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Abstract A series of dots on galvanostatic charge curve with equal time interval were chosen to form a time array t(i) and a corresponding overpotential array E(i). By assigning a possible static overpotential E and letting y(i) = E- E(i), another array Y(i) could be obtained. By letting W(i) = ln[Y(i +1)·y(i-1)-Y2(i)], an additonal array W(i) could generated. It could be proved that W(i) was linear with t(i). Moreover, with its slope Kand intercept B, the real static overpotential E∞ could be calculated. Furthemore, owing to the linear relationship between In[E∞-E(i)] and t(i), the parameters R1,Rp and Cd could be calculated through its slope K' and B'.
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Received: 25 April 1996
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| 1宋诗哲．中国腐蚀与防护学报,1981,1(3):76-87 |
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