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Electrical In Situ Characterization of Three-Way Catalyst Coatings

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Abstract

With a novel sensor, the electrical characteristics of a catalytically active three way catalyst coating can be gauged directly and evaluated. Therefore, in initial tests, several sensors that measure the electrical properties of the washcoat were mounted in a catalytic converter and the electrical resistances were measured. The sensors primarily provide information on the oxidation state of the oxygen storage compounds in the coating. It is shown that the sensor devices have fast response times and probably even react more sensitive to small changes in oxygen partial pressure than lambda-probes.

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References

  1. Lox ESJ (2008) Environmental catalysis—automotive exhaust treatment. In: Ertl G, Knözinger H, Schüth F, Weitkamp J (eds). Handbook of heterogeneous catalysis, 2nd edn. VCH Wiley, New York

    Google Scholar 

  2. Moos R (2005) Int J Appl Ceram Technol 2:401

    Article  CAS  Google Scholar 

  3. Riegel J, Neumann H, Wiedenmann H-M (2002) Solid State Ionics 152–153:783

    Article  Google Scholar 

  4. Moos R, Zimmermann C, Birkhofer T, Knezevic A, Plog C, Busch MR, Ried T (2008) Sensor for directly determining the state of a NOx storage catalyst, SAE paper 2008-01-0447

  5. Izu N, Oh-hori N, Shin W, Matsubara I, Murayama N, Itou M (2008) Sens Actuators B Chem 130:105

    Article  Google Scholar 

  6. Fischerauer G, Spörl M, Gollwitzer A, Wedemann M, Moos R (2008) Frequenz 62:180

    Google Scholar 

  7. Moos R, Wedemann M, Spörl M, Reiß S, Fischerauer G. Direct catalyst monitoring by electrical means—an overview on promising novel principles (submitted)

  8. Izu N, Shin W, Murayama N (2002) Sens Actuators B Chem 87:99

    Article  Google Scholar 

  9. Boaro M, Trovarelli A, Hwang J-H, Mason TO (2002) Solid State Ionics 147:85

    Article  CAS  Google Scholar 

  10. Wedemann M, Reiß S, Spörl M, Hagen G, Fischerauer G, Moos R (2008) Eurosensors XXII M2-11.03

  11. Achmann S, Hagen G, Kita J, Malkowsky IM, Kiener C, Moos R (2009) Sensors 9:1574

    Article  CAS  Google Scholar 

  12. Zhang Y, Cheng WK (2003) SAE paper 2003-01-1874

  13. Saji K, Kondo H, Takeuchi T, Igarashi I (1988) J Electrochem Soc 135:7

    Article  Google Scholar 

Download references

Acknowledgment

The authors are indebted to Dr. Votsmeier for helpful discussions.

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Authors and Affiliations

  1. Bayreuth Engine Research Center, University of Bayreuth, 95440, Bayreuth, Germany

    Sebastian Reiß, Marion Wedemann & Ralf Moos

  2. Umicore AG & Co. KG, 63403, Hanau, Germany

    Martin Rösch

Authors
  1. Sebastian Reiß
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  2. Marion Wedemann
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  3. Ralf Moos
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  4. Martin Rösch
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Correspondence to Sebastian Reiß.

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Reiß, S., Wedemann, M., Moos, R. et al. Electrical In Situ Characterization of Three-Way Catalyst Coatings. Top Catal 52, 1898–1902 (2009). https://doi.org/10.1007/s11244-009-9366-2

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  • DOI: https://doi.org/10.1007/s11244-009-9366-2

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