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      Methods—unexpected effects in galvanostatic EIS of randles' cells: Initial transients and harmonics generated

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      Author(s)
      Katırcı, Gökberk
      Zabara, Mohammed Ahmed
      Ülgüt, Burak
      Date
      2022-03-17
      Source Title
      Journal of The Electrochemical Society
      Print ISSN
      0013-4651
      Electronic ISSN
      1945-7111
      Publisher
      Electrochemical Society, Inc.
      Volume
      169
      Issue
      3
      Pages
      [1] - [12]
      Language
      English
      Type
      Article
      Item Usage Stats
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      Abstract
      Non-linear EIS analysis is gaining wider attention and interest due to the deeper understanding that is provided especially when combined with linear EIS. The nonlinear part of the data can get corrupted due to a number of effects. One of these is the initial transient, which is the response right after excitation signal is applied before a steady-state is reached. In this study, we demonstrate this phenomenon through analyzing simplified Randles' cells via Kirchoff's laws. To get rid of the effects of the initial transient, instrument manufacturers typically discard some fraction of the response, the effectiveness of which, as demonstrated here has to be checked.
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      http://hdl.handle.net/11693/111574
      Published Version (Please cite this version)
      https://www.doi.org/10.1149/1945-7111/ac5ad7
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