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WIR SCHAFFEN WISSEN – HEUTE FÜR MORGEN
Material-Entwicklung für PEM ElektrolyseFelix N. Büchi :: Head Electrochemistry Laboratory :: Paul Scherrer Ins?tute
Deutsch-Schweizer H2-Forum, 28. September 2021
Page 2
PSI West
PSI East
Swiss National Lab
with
ca. 2000 FT positions
Electrochemistry
Laboratory
65 persons
Energy & Environment
Division
230 persons
PSI Electrochemistry Laboratory Portfolio
Page 3
Li-Batteries
Solid State B.e-
e-
Fuel cellsAutomotive
Fuel cellsStationary
Electrolyzers
H2
H2
O2
Hydrogen energy storage
Page 4
M. Rüdisühli et al. Energies 2019, 12, 2399
long term storage required may require storage for grid protection
https://cleantechnica.com/2019/02/16/standardization-of-ev-charging-in-the-eu/
H2-path layout
Page 5
Electrolyzer
4 x 25 kW
FCC1
2 x 50 kW
Dynymics for Primary Control Reserve
Page 6
C. Peter et al., (2021), IEEE Transactions on Sustainable Energy, submitted: PEM Electrolyzer and Fuel Cell System Characterization for Frequency Control
Efficiencies
Page 7
2011
2025
2040
C. Peter et al., (2021), IEEE Transactions on Sustainable Energy, submitted: PEM Electrolyzer and Fuel Cell System Characterization for Frequency Control
53.3%
61.8%
70.0%
Electrolyzer Components
Page 8
H+
H2 O2
H2O
e--
PTL Surface Properties
Page 9
T. Schuler, J. M. Ciccone, C. Peter, T.J. Schmidt, F.N. Büchi, Advanced Energy Materials, 10, 1903216 (2020)
Babic U, Tarik M, Schmidt TJ, Gubler L, Journal of Power Sources. 2020; 451: 227778
Multilayer Sintered PTL materials
Page 10
T1
Material• TWO layer structure
• co-sintering of irregular
shaped Ti powders
(cheapest Material for sintered
Ti-structures)
NovElyTi®Patent pending
Use of thin membranes
Page 11
T. Schuler, J. M. Ciccone, C. Peter, T.J. Schmidt, F.N. Büchi, Hierarchically Structured Porous Transport Layers for Polymer Electrolyte Water Electrolysis,Advanced Energy Mat. 10, 1903216 (2020)
• 50 °C and 1 bar
150 mV
230 mV
Efficiencies
Page 12
2011
2025
2040
C. Peter et al., (2021), IEEE TransacOons on Sustainable Energy, submiPed: PEM Electrolyzer and Fuel Cell System CharacterizaOon for Frequency Control
53.3%
61.8%
70.0%
• Wirkungsgrad des PEM Elektrolyseurs ist eine Schlüssel-Eigenscha9
• Verbesserung des Wirkungsgrad basiert auf Material-Entwicklung
• für Speicherung erneuerbaren Stromes könnte zukün9ig 50% Round-trip möglich sein
Take Home Messages
Page 14
Wir schaffen Wissen – heute für morgen
Danke für IhreAufmerksamkeit :-)
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