Solid Oxide electrolysis hydrogen production, Peter V. Hendriksen
Solid Oxide electrolysis hydrogen production, Peter V. Hendriksen Solid Oxide electrolysis hydrogen production, Peter V. Hendriksen
New SOFC cell types tested for electrolysis durability • A TOFC 10-cell stack with three classes of SOFC cells is being tested currently – 800 °C, -0.75 A/cm 2 , co-electrolysis (45%CO 2 -45%H 2 O-10%H 2 ), 1000 hr. – 2.5* G cells improved over 500 hr. !! – “2.1 G” cells and “MTC-cells” showed mild degradation 16 Source: M. Chen ForskEL2010, Energinet.dk 2010-1-10432
Electrolysis, Comparison of technologies Type Maturity Current density Other Advantages AEC Proven LT-PEM H 2 at pressure SOEC CO 2 /H 2 O electrolysis HT-PEM HT heat Documented lifetime 1/Price • SOEC: Cheap materials, No noble metals, Low volume • Winner : ???? Determined by price per Nm 3 /hr over lifetime at right scale and time 17 Risø DTU, Danmarks Tekniske Universitet
- Page 1 and 2: Solid Oxide Electrolysis Hydrogen p
- Page 3 and 4: Routes to hydrogen Today • From H
- Page 5 and 6: Ni-YSZ supported cell (“2.0G”)
- 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: Status at stack level Few (~ 7) exp
- Page 19 and 20: Status and Challenges Status • 20
- Page 21: Status and Challenges • Scale rel
New SOFC cell types tested for <strong>electrolysis</strong> durability<br />
• A TOFC 10-cell stack with three classes of SOFC cells is being tested currently<br />
– 800 °C, -0.75 A/cm 2 , co-<strong>electrolysis</strong> (45%CO 2 -45%H 2 O-10%H 2 ), 1000 hr.<br />
– 2.5* G cells improved over 500 hr. !!<br />
– “2.1 G” cells and “MTC-cells” showed mild degradation<br />
16<br />
Source: M. Chen ForskEL2010, Energinet.dk 2010-1-10432
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