Apparatus for measuring current density of fuel cell

Details Apparatus for measuring current density of fuel cell Apparatus for measuring current density of fuel cell

2005-09-27

2005-09-27

Nguyen, Vinh (Department: 2829)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Magnetic saturation

C324S251000

Reexamination Certificate

active

06949920

ABSTRACT:
A fuel cell system includes a fuel cell. A current density measuring apparatus is provided on a cathode side of the fuel cell. The current density measuring apparatus includes a plurality of Hall elements provided at positions corresponding to measuring positions in an electrode surface. Each of the Hall element is attached to a ferrite core fitted to a pole of a sensor mounting plate. The ferrite core and the Hall element attached to the pole make up a current sensor.

REFERENCES:
patent: 6815101 (2004-11-01), de Vaal et al.
patent: 6828055 (2004-12-01), Kearl
patent: 08-222260 (1996-08-01), None
patent: 09-223512 (1997-08-01), None
Wieser et al, A new technique for two-dimensional current distribution measurements in electrochemical cells, Jul. 2000, Kluwer Academic Publishers, Journal of Applied Electrochemistry, vol. 30: pp. 803-807.
Noponen et al, Measurement of current distribution in a free-breathing PEMFC, 2002, Elsevier Science, Journal of Power Sources, vol. 106, No. 1-2, pp. 304-312 (Month Unavailable).

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