Method for making a fuel cell with large active surface and...

Details Method for making a fuel cell with large active surface and... Method for making a fuel cell with large active surface and...

2007-09-18

2007-09-18

Kalafut, Stephen (Department: 1745)

Metal working

Method of mechanical manufacture

Electrical device making

C429S006000, C429S006000, C429S233000, C429S241000, C429S243000, C429S245000

Reexamination Certificate

active

10495251

ABSTRACT:
The present invention relates to a process for producing a fuel cell, comprising a step of forming a plurality of holes (10) in at least two substrates (9); each hole is in the seat of an individual fuel cell, the said holes having a particular geometry, such as a shape of a truncated cone or a truncated pyramid shape.The various individual cells are then electrically connected by networks of electrical connections (11, 12) and are supplied via a reactant distribution network, the assembly formed by a substrate (9), the cells and the networks constituting a base module (9′). Finally, at least two base modules (9′) are assembled, the individual cells of each base module being positioned facing the individual cells of the adjacent base module(s).

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