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Apparatus and method for fuel cell resistance test

  • US 20070080694A1
  • Filed: 11/11/2003
  • Published: 04/12/2007
  • Est. Priority Date: 11/11/2003
  • Status: Abandoned Application
First Claim
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1. Apparatus for the measurement of the total internal resistance of fuel cells and fuel cells stacks comprising an electronic load system which comprises an input unit generating an input pulse a driver for the control of the input pulse a MOSFET module comprising at least one MOSFET device for the generation of a short circuit in a fuel cell a bank of selectable resistors and a measuring circuit which comprises a shunt for converting the fuel cell voltage into a current signal differential amplifiers for the current and the voltage signals a data acquisition system which receives the voltage and the current signals obtained by the differential amplifiers.

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