H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/02 (2006.01) C25B 1/04 (2006.01) C25B 9/00 (2006.01) C25B 15/08 (2006.01) H01M 2/32 (2006.01) H01M 8/04 (2006.01)
Patent
CA 2121455
A membrane electrochemical cell, in particular a fuel cell, of an improved type comprising a multiplicity of cell elements, each element made up of bipolar plates, current collectors, electrodes and membranes, wherein the function of electric current transmission through the cell elements, the release of heat towards the outside environment, the distribution of electric current to the electrodes and membranes, the removal of heat from the electrodes and membranes and the distribution of the reactants and products are performed by distinct components, in particular bipolar plates for the first two and porous electroconductive collectors for the others. The bipolar plates may have flat surfaces without grooves and are preferably manufactured with aluminum, titanium or alloys thereof, through cheap mass productions techniques; the bipolar plates are used together with collectors provided with deformability, residual resiliency and high porosity. Said collectors advantageously act also as distributors of the gaseous reactants and of the products.
Faita Giuseppe
Mantegazza Claudio
de Nora Permelec S.p.a.
Macrae & Co.
Nuvera Fuel Cells Europe S.r.l.
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