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Journal of Electrochemistry ›› 2018, Vol. 24 ›› Issue (6): 687-696.doi: 10.13208/j.electrochem.180854

• Special Issue in Honor of Professor Baolian Yi on His 80th Birthday • Previous Articles     Next Articles

The Pilot Application of Electrochemical Impedance Spectroscopy on Dynamic Proton Exchange Membrane Fuel Cell

GUO Jian-wei,  WANG Jian-long*   

  1. Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China
  • Received:2018-09-25 Revised:2018-10-10 Online:2018-12-28 Published:2018-11-06
  • Contact: WANG Jian-long E-mail:wangjl@mail.tsinghua.edu.cn

Abstract: By analyzing Electrochemical Impedance Spectroscopy (EIS) in applications of dynamic proton exchange membrane fuel cell (PEMFC), bottlenecks which restrict EIS tool development have been pointed out in this paper. Though the high-frequency resistance in EIS is largely accepted as cell inner-resistance, this can only be applied for cell with low current. The low-frequency resistance is difficult to be realized due to its relation with mass transfer. Furthermore, the improved Randles equivalent circuits are built up preliminarily, thus, penetrating into studies for mass transfer reaction, cell operation/degeneration, and high temperature fuel cell. Inspiringly, EIS is becoming an analyzing tool for stack and control core for electric-vehicle. Nevertheless, it is still pioneer challenge to make breakthrough towards transient EIS method based on multi-discipline convergence

Key words: electrochemical impedance spectroscopy, proton exchange membrane fuel cell, dynamic operation, electric-vehicle;equivalent circuit

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