Solid Oxide electrolysis hydrogen production, Peter V. Hendriksen
Solid Oxide electrolysis hydrogen production, Peter V. Hendriksen Solid Oxide electrolysis hydrogen production, Peter V. Hendriksen
Electrolysis, principle of operation (SOEC) Electricity + Heat Chemical energy Anode: Katode: Oxygen electrode 2O 2- → O 2 + 4e - O 2 + 2O 2- 2H 2 O 2H 2 Fuel electrode 2H 2 O + 4e - → 2H 2 + 2O 2- 2CO 2 + 4e - → 2CO + 2O 2- 2CO 2 2CO ÷ 4 e - Solid electrolyte Electrolyte Ox. electrode H 2 electrode Temp. Y 0.16 Zr 0.84 O 2 (La,Sr)MnO 3 Ni/Y 0.16 Zr 0.84 O 2 800 o C 4 Risø DTU, Danmarks Tekniske Universitet
Ni-YSZ supported cell (“2.0G”) Ni/YSZ support Ni/YSZ electrode LSM-YSZ electrode 10 µm Acc. voltage: 12 kV SE image • Manufacturing techniques
- Page 1 and 2: Solid Oxide Electrolysis Hydrogen p
- Page 3: Routes to hydrogen Today • From H
- Page 7 and 8: Hydrogen by electrolysis for transp
- Page 9 and 10: Economical analysis H 2 production
- Page 11 and 12: New Topsoe Fuel Cell pilot plant
- Page 13 and 14: SOEC, Cell performance, Process is
- Page 15 and 16: Status at stack level Few (~ 7) exp
- Page 17 and 18: Electrolysis, Comparison of technol
- Page 19 and 20: Status and Challenges Status • 20
- Page 21: Status and Challenges • Scale rel
Electrolysis, principle of operation (SOEC)<br />
Electricity + Heat<br />
Chemical energy<br />
Anode:<br />
Katode:<br />
Oxygen electrode<br />
2O 2- → O 2 + 4e -<br />
O 2<br />
+<br />
2O 2-<br />
2H 2 O 2H 2<br />
Fuel electrode<br />
2H 2 O + 4e - → 2H 2 + 2O 2-<br />
2CO 2 + 4e - → 2CO + 2O 2- 2CO 2 2CO<br />
÷<br />
4 e -<br />
<strong>Solid</strong> electrolyte<br />
Electrolyte Ox. electrode H 2 electrode Temp.<br />
Y 0.16 Zr 0.84 O 2 (La,Sr)MnO 3 Ni/Y 0.16 Zr 0.84 O 2 800 o C<br />
4<br />
Risø DTU, Danmarks Tekniske Universitet
Change language