Come to the Long Night of the Sciences in Wannsee: 17.06. from 5-0 p.m.
e will open our doors for the Long Night of the Sciences. Get exciting insights into our energy research, visit laboratories and ask us your questions about the energy transition. Our school lab invites you to take part in hands-on experiments - and a science show will keep you pumped up and amazed! Please bring your identity card!
Saturday promises beautiful summer weather and we will open our green, nature-oriented campus in Wannsee for you. Immerse yourself in the world of research for one night and bring lots of questions! At HZB, we work every day to develop materials and solutions for a climate-neutral society. See how ultra thin solar cells can be made and learn what we are doing to make green hydrogen cheaper to produce in large quantities in the future. We are also researching new batteries that can store more energy than conventional ones in Wannsee.
Twelve different laboratories alone are open to you. Experience our research up close: whether crystal structures, atomic layers, solar cells or our high-tech microscopes - there is something interesting for everyone. A guided tour for children "The fantastic properties of light and how to explain them" and a tour of the orchard meadow are also on the programme. In addition, there are exciting lectures, among others on the plastic flood or photovoltaics in building facades.
On the Science Street there are many information stands with experiments. Here you can talk directly to our researchers. Among other things, we will show you how the decommissioned research reactor BER II is to be dismantled in the coming years. In addition, we will present the therapy of eye tumours with protons - this is also carried out at the Wannsee site.
Feel free to take a break in between. Our canteen offers delicious food and drinks. We also cook for you with a solar cooker (when the sun is shining) and invite you to taste our nitrogen ice cream.
When and where?
17.06.2023 from 5-0 op.m.
Helmholtz Centre Berlin
Hahn-Meitner-Platz 1
14109 Berlin
To be reached by shuttle buses from S Wannsee
Access regulations:
For security reasons, the following regulations apply to visits to the HZB: Persons aged 16 and over must present their valid original identity card (alternatively passport). Admission for persons under 16 years of age is only permitted when accompanied by a person of full age.
Tickets:
Adults: €14, reduced €9, family €27 (other ticket types here). Combined ticket with use of public transport and special buses for the Long Night. Tickets for the Long Night can be purchased here. There is also a box office at our Wannsee location.
- Green hydrogen: MXenes shows talent as catalyst for oxygen evolutionThe MXene class of materials has many talents. An international team led by HZB chemist Michelle Browne has now demonstrated that MXenes, properly functionalised, are excellent catalysts for the oxygen evolution reaction in electrolytic water splitting. They are more stable and efficient than the best metal oxide catalysts currently available. The team is now extensively characterising these MXene catalysts for water splitting at the Berlin X-ray source BESSY II and Soleil Synchrotron in France.
- Green hydrogen: ‘Artificial leaf’ becomes better under pressureHydrogen can be produced via the electrolytic splitting of water. One option here is the use of photoelectrodes that convert sunlight into voltage for electrolysis in so called photoelectrochemical cells (PEC cells). A research team at HZB has now shown that the efficiency of PEC cells can be significantly increased under pressure.
- Green hydrogen from direct seawater electrolysis- experts warn against hypeAt first glance, the plan sounds compelling: invent and develop future electrolysers capable of producing hydrogen directly from unpurified seawater. But a closer look reveals that such direct seawater electrolysers would require years of high-end research. And what is more: DSE electrolyzers are not even necessary - a simple desalination process is sufficient to prepare seawater for conventional electrolyzers. In a commentary in Joule, international experts compare the costs and benefits of the different approaches and come to a clear recommendation.