celle a combustibile – fuel cellsstudenti.fisica.unifi.it/~aloisi/fuelcells.pdf · 2015-01-08 ·...

Post on 04-Mar-2020

3 Views

Category:

Documents

0 Downloads

Preview:

Click to see full reader

TRANSCRIPT

Celle a combustibile – Fuel Cells

Elettrodi di platino in acido nitrico, ossigeno e idrogeno

Alkali Fuel Cell

i

70 °C , Pt (NASA); 200 °C, Ni cat, resa 60%

Proton Exchange Membrane PEMFC

100 °C, Pt cat, resa 50-60%, sensibilità S

NASA - Progetto Gemini

Phosphoric acid

200 °C, Pt/C, matrice SiC, resa 60-80%, fino al 2000

Molten Carbonate Fuel Cell

650 °C , qualsiasi gas, no catalisi, no avvelenamento, resa 60-80%

Solid Oxyde Fuel Celll

1000 °C , self-reforming, resa 60-80%

Direct Methanol Fuel Cell

60-130 °C , Pt/Ru, , resa 60-80%

top related