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Electrochemical Methods

  • Su-Il Pyun
  • Heon-Cheol Shin
  • Jong-Won Lee
  • Joo-Young Go
Chapter
Part of the Monographs in Electrochemistry book series (MOEC)

Abstract

In chronopotentiometry, a current pulse is applied to the working electrode and its resulting potential is measured against a reference electrode as a function of time. At the moment when the current is first applied, the measured potential is abruptly changed due to the iR loss, and after that it gradually changes, because a concentration overpotential is developed as the concentration of the reactant is exhausted at the electrode surface. If the current is larger than the limiting current, the required flux for the current cannot be provided by the diffusion process and, therefore, the electrode potential rapidly rises until it reaches the electrode potential of the next available reaction, and so on.

Keywords

Electrode Potential Current Transient Solid Electrolyte Interphase Rechargeable Lithium Battery Chemical Diffusion Coefficient 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Su-Il Pyun
    • 1
  • Heon-Cheol Shin
    • 2
  • Jong-Won Lee
    • 3
  • Joo-Young Go
    • 4
  1. 1.Dept. Materials Science & Eng. Korea Adv. Inst. of Science and Techn.Jeju National UniversityDaejeonRepublic of Korea
  2. 2.School of Materials Science & Eng.Pusan National Univ.Busan, Geumjeong-guRepublic of Korea
  3. 3.Fuel Cell Research CenterKorea Inst. of Energy ResearchDaejonRepublic of Korea
  4. 4.SB LiMotive Co., LtdGyeonggi-doRepublic of Korea

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