Materials for Energy Conversion


Mission We strive to solve industry-relevant challenges for sustainable energy conversion and storage technologies through materials and device innovation.

Expertise Our laboratory possesses strong competencies in the synthesis and processing of functional electronic and ion conducting materials, the characterization of their structural, electronic, ionic and thermal transport properties, as well as their integration and performance assessment in operational devices.

Research Our research aims at developing fundamental knowledge through experiment and modeling enabling new materials and processes that improve device performance, cost, and reliability. We are currently working on the following application-driven topics: batteries, electrochemical production of synthetic fuels, waste heat recovery by thermoelectrics, and photovoltaics.





August 2019 Our lab is organzing the 2nd edition of the Swiss & Surrounding Battery Days taking place from August 26 to 28 at Empa Academy. More information and registration here.

June 2019 We welcome Lukas as new member of our lab.

May 2019 Congratulations to Ryo for winning  a "Travel Award" from the International Society of Solid State Ionics..

May 2019 Congratulations to all the runners that defended the colors of our lab at this year's SOLA Stafette! Impressions can be found here.

April 2019 Congratulations to Ryo and Léo for winning each a "Chemistry Travel Award 2019" from the Swiss Academy of Sciences and the Swiss Chemical Society.

April 2019 We welcome Isabel and Rabeb as new members of our lab.

March 2019 We welcome Chengyin and Christos as new members of our lab.

February 2019 We welcome Maximilian as new member of our lab.

January 2019 Kick-off to an exciting new project on all-solid-state batteries with project partner Fraunhofer ISC. Press release can be found here.

January 2019 Congratulations to Léo for winning the UniGe/UniTec Impact Award for the "Most Promising Invention 2018". Press release and video can be found here.

Oktober 2018 We welcome Petroula, Reto and Jonathan as new members of our lab.

September 2018 Congratulations to David for winning the 1st price at the Falling Walls Lab Zurich. David qualified to pitch his project at the Falling Falls International Conference on Future Breakthroughs in Science and Society in Berlin on 8 and 9 of November. Keeping fingers crossed!

September 2018 We welcome André as new member of our lab.

August 2018 Congratulations to David for winning a 3 months fellowship in the framework of the Japanese-Swiss Young Researcher's Exchange Programme. David will do research in Prof. Yamada's group at the University of Toyko.

August 2018 Congratulations to Léo for winning a 3 months fellowship in the framework of the Korea-Swiss Young Researcher's Exchange Programme. Léo will do research in Prof. Jung's group at Hanyang University.

August 2018 We welcome Omar and Lukas as new members of our lab.

July 2018 We welcome Ilan as new member of our lab.

May 2018 Congratulations to David for winning the outstanding student poster award at the 233rd ECS Meeting in Seattle.

April 2018 We welcome Alexander and Francesco as new members of our lab.

March 2018 We welcome Arash as new member of our lab.

February 2018 Our lab in the radio. Listen here.

February 2018 Congratulations to David for winning one of this year's MDPI Technologies Travel Awards. David will present his work on aqueous batteries and supercapacitors at the 233rd ECS Meeting in Seattle.

January 2018 Our lab is representing Switzerland at the European Battery Cell Research & Innovation Workshop organized by the European Commission in Brussels.

January 2018 Yinglu's paper on the impact of the Ni content on Half-Heusler thermoelectrics was accepted for publication in Energy & Environmental Science and can be found here.

January 2018 The press release featuring Ruben and David's work on aqueous electrolytes for sodium-ion batteries can be found here. The corresponding paper published in ACS Energy Express can be found here. The corresponding article in the Tagesanzeiger can be found here.

January 2018 We welcome Ryo as new member of our lab.

Seminars and Events  

26.08.2019 13:30 2nd Swiss & Surrounding Battery Days, Empa Academy, registration here.

16.05.2019 11:00 Ruben-Simon Kühnel, Empa, Highlights: IBA 2019, LA 373.

04.04.2019 13:30 Prof. Dr. Jürgen Janek, Justus Liebig University Giessen / Karlsruhe Institute of Technology, Challenges on the route to solid-state batteries, VE102.

22.01.2019 11:00 Dr. Marina Gonzáles Vayá, EKZ, EKZ's experience with the operation of utility-scale battery energy storage, LA 373.

11.12.2018 11:00 Marie-Claude Bay, Francesco Pagani, Empa, Highlights: MRS Fall 2018, LA 373.

13.11.2018 11:00 Prof. Jeff Sakamoto, University of Michigan, Will solid-state batteries compete with liquid-based Li-ion technology?, VE 102.

16.10.2018 11:00 Dr. Arndt Remhof, Empa, Highlights: Symposium on Mg Batteries, LA 373.

18.09.2018 11:00 Dr. Ruben-Simon Kühnel, Empa, Highlights: 69th ISE Meeting, LA 373.

11.09.2018 11:00 Maximilian Becker, Justus Liebig-Universität Giessen, Interface or interphase? Electrolytes in hybrid cells under investigation, LA 373.

28.08.2018 11:00 Dr. Ruben-Simon Kühnel, Empa, Towards Stable 2 V Class Sodium-Ion Batteries Based on Aqueous Electrolytes, LA 373.

14.08.2018 11:00 Isabel Streicher, Albert-Ludwigs-Universität Freiburg, Floating zone growth of bulk Si1-xGex crystals, LA 373.

10.07.2018 11:00 Daniel Leonard, Oregon State University, Maximizing Water’s Potential for Energy Storage, LA 373.

03.07.2018 11:00 Prof. Werner Sitte, Lehrstuhl für Physikalische Chemie, Montanuniversität Leoben, Determination of the electronic conductivity of Na-ß”-Al2O3, LA 373.

05.06.2018 11:00 David Reber, Empa, Highlights: 233rd ECS 2018, LA 373.

28.05.2018 08:30 1st International Symposium on Solid-State Batteries organized by our lab, Empa Akademie, registration is open now.

23.05.2018 08:00 1st Swiss and Surrounding Battery Days co-organized by our lab, Baden, registration is open now.

22.05.2018 11:00 Prof. Stefano Passerini, Helmholtz Institute Ulm / Karlsruhe Institute of Technology, Non-graphitic anodes for lithium-ion batteries, VE 102.

08.05.2018 11:00 David Reber, Empa, A high-voltage aqueous electrolyte for sodium-ion batteries, LA 373.

01.05.2018 11:00 Léo Duchêne, Empa, Highlights: MRS 2018, LA 373.