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Electrochemistry Laboratory (LEC)

  • About LEC
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    • Battery Materials and Diagnostics
    • Battery Electrodes and Cells
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    • Membranes and Electrochemical Cells
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        • Patterned Wettability GDLs
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Surface profile of a porous Ti-based  transport layer for PEWE
Surface profile of a porous Ti-based transport layer for polymer electrolyte water electrolyzer, obtained from X-ray tomography data.

Welcome to the Electrochemistry Laboratory (LEC)

The Electrochemistry Laboratory (LEC), established 1988, is part of the Energy and Environment Research Division (ENE) at the Paul Scherrer Institute. The laboratory comprises 6 interacting research groups that deal with almost all aspects of electrochemical energy storage and conversion. PSI’s Electrochemistry Laboratory is Switzerland’s largest Center for Electrochemical Research.

PSI Electrochemistry Symposium

39th Swiss Electrochemistry Symposium
Topic: Future Materials in Electrochemical Systems
Wednesday, April 26, 2023
Kultur & Kongresshaus Aarau, Schlossplatz 9, 5000 Aarau, Switzerland
Registration opens December 1, 2022
https://youtu.be/h1pohK4TABU
https://www.psi.ch/ses23 (Firefox or Chrome)

38th Swiss Electrochemistry Symposium
Topic: Electrochemical Valorization of Carbon Dioxide
Wednesday, May 11, 2022
Kultur & Kongresshaus Aarau, Schlossplatz 9, 5000 Aarau, Switzerland
https://youtu.be/O72YyZPr0aE
Past program: https://www.psi.ch/ses22 (Firefox or Chrome)

 

26. April 2023, 09:00 - 17:00

Future Materials in Electrochemical Energy Systems

Electrochemistry Laboratory (LEC) Conference
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13. - 14. March 2024

ModVal 2024 - 20th Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies

Electrochemistry Laboratory (LEC) Conference
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1. November 2021

PSI-Impuls-Preis 2021 geht an Tobias Schuler

Mitteilung PSI-Impuls

Den PSI-Impuls-Preis 2021 erhält Tobias Schuler für seine Doktorarbeit “Towards a Generic Understanding of Porous Transport Layers in Polymer Electrolyte Water Electrolysis”

Further details: Electrochemistry Scientific Highlight 1st May 2020 - Tobias Schuler et al.

Scientific Highlight

22 March 2023
Cell performance, H2 crossover, and fluoride release rate measured in the single cell water electrolyzer

Towards Next Generation Membranes for Polymer Electrolyte Water Electrolysis

The conversion efficiency for green hydrogen production in a polymer electrolyte water electrolyzer (PEWE) is strongly influenced by the ohmic cell resistance and therefore the thickness of the membrane. The use of thin membranes (~50 micron or below) is limited by gas crossover of H2 and O2, which can lead to the formation of an explosive gas mixture. The incorporation of a Pt recombination catalyst provides remedy and allows a more dynamic operating mode (cf. Highlight 03/2022). However, the presence of Pt nanoparticles leads to an increase in the rate of membrane degradation. Therefore, we have additionally doped the membrane with cerium-zirconium-oxide (CZO) nanoparticles, which act as radical scavenger. The rate of membrane degradation can thus be reduced.

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News

4 December 2020
Movie

LEC Contribution to the SCCER Mobility Project

Two groups from the Electrochemistry Laboratory, together with a team from ZHAW and EPFL have developed a novel evaporative cooling concept for polymer electrolyte fuel cells from the material to the cell level.

The 5 min movie explains and summarizes the development.

Read more

more news

LEC on TV and Radio

Swiss Radio: SRF Regionaljournal Aargau Solothurn, May 8, 2017, 17:30h
Paul Scherrer Institut entwickelt Akku der Zukunft
Swiss TV: Kassensturz, January 17, 2017, 21:10h
Knopfbatterien im Test: Enorme Preisunterschiede
Swiss TV: Einstein, November 26, 2015, 21:07h
Die Renaissance der Batterie
Swiss TV: Einstein, November 21, 2013, 21:07h
Mobilität ohne Treibhausgase
Wasserstofftankstellen für die Schweiz?

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Contact

Electrochemistry Laboratory
Paul Scherrer Institut
5232 Villigen-PSI
Switzerland

Laboratory Head a.i.
Dr. Felix N. Büchi
Telephone: +41 56 310 24 11
E-mail: felix.buechi@psi.ch


Secretary
Cordelia Gloor
Telephone: +41 56 310 29 19
E-mail: cordelia.gloor@psi.ch

Annual Report 2022

View in issuu.com
Download


LEC Events

The Electrochemistry Laboratory holds a seminar typically once a week during the semester on Wednesdays at 11.00am in ODRA/111


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