Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Means for joining components together
Reexamination Certificate
2006-08-25
2010-06-22
Ryan, Patrick (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Fuel cell, subcombination thereof, or method of making or...
Means for joining components together
C429S507000, C429S510000, C429S115000
Reexamination Certificate
active
07740989
ABSTRACT:
A micro fuel cell comprises at least a substrate provided with front and rear faces. The front face of the substrate supports a successive stacking of a first electrode, a substantially flat electrolytic membrane and a second electrode. The electrolytic membrane comprises at least one anchoring element salient substantially perpendicularly to a main plane of said membrane. The anchoring element is arranged in a complementary part of an anchoring recess formed in the substrate. The substrate can also comprise a plurality of microchannels, substantially perpendicular to the main plane of the membrane. The anchoring recess can then be formed by one of the microchannels whereas the other microchannels enable supply of the first electrode with reactive fluid. Such a micro fuel cell is able to operate when a pressure difference exists between the two sides of the stacking.
REFERENCES:
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patent: 7223491 (2007-05-01), McLean et al.
patent: 2001/0040250 (2001-11-01), Charrier et al.
patent: 2 859 201 (2005-03-01), None
patent: WO 2005/023698 (2005-03-01), None
patent: WO 2005/079466 (2005-09-01), None
Keyur Shah et al., “Novel microfabrication approaches for directly patterning PEM fuel cell membranes,” Mar. 2003. Stevens Institute of Technology, Castle Point on Hudson, Hoboken, NJ 07030, USA.
Gaillard Frederic
Lambert Karine
Laurent Jean-Yves
Plissonnier Marc
Commissariat a l''Energie Atomique
Mercado Julian
Oliff & Berridg,e PLC
Ryan Patrick
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