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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
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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
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Electrolyzer
4 x 25 kW
FCC1
2 x 50 kW
Dynymics for Primary Control Reserve
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C. Peter et al., (2021), IEEE Transactions on Sustainable Energy, submitted: PEM Electrolyzer and Fuel Cell System Characterization for Frequency Control
Efficiencies
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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
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H+
H2 O2
H2O
e--
PTL Surface Properties
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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
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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
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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
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Wir schaffen Wissen – heute für morgen
Danke für IhreAufmerksamkeit :-)
