Membrane electrochemical generator
AssigneeNuvera Fuel Cells Europe S.R.L.
InventorsMarcello Liotta, Eduardo TRIFONI
Life of this patent
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Abstract
The present invention relates to a membrane electrochemical generator (100) characterised by improved electrical insulation and reduced volume. The membrane electrochemical generator (100) is fed with gaseous reactants and comprises a multiplicity of reaction cells (101) assembled in a filter-press configuration. Each of said reaction cells (101) is delimited by a pair of bipolar sheets (102), formed by a metallic central body (110) integrated in a frame (111) made of polymeric material. The polymeric material may be of the thermoplastic or thermosetting type and the frame (111) is laid on the metallic central body (110) by moulding.
Claims25
1-28. (canceled)
A membrane electrochemical generator, comprising;
- a multiplicity of reaction cells, wherein each of said reaction cells comprises a metallic reticulated current collector, an active area, and is delimited by two bipolar sheets,
- each of said bipolar sheets comprises a metallic central body having a dimension larger than the active area of the reaction cells and a frame made of a polymeric material,
- said frame comprises:
- a first feed opening and a second feed opening for the passage of gaseous reactants, at least one of the first and the second feed openings also provide a passage for the cooling water to enter the reaction cell,
- a first discharge opening and a second discharge opening for discharging reaction products, at least one of the first and the second discharge opening also provide a passage for the cooling water to exit the reaction cell,
- a multiplicity of channels each having two ends, wherein one end opens to the active area of the reaction cell while the other end opens at one of the first feed opening, the second feed opening, the first discharge opening, and the second discharge opening.
Dependencies are inferred from the claim text.