no code implementations • 12 Nov 2024 • Jan Figgener, Jakob Bors, Matthias Kuipers, Felix Hildenbrand, Mark Junker, Lucas Koltermann, Philipp Woerner, Marc Mennekes, David Haberschusz, Kai-Philipp Kairies, Dirk Uwe Sauer
Here, we present a method that reconstructs the OCV curve continuously over the lifetime of a battery using the operational data of home storage field measurements over eight years.
no code implementations • 15 May 2023 • Jonathan Schulte, Jan Figgener, Philipp Woerner, Hendrik Broering, Dirk Uwe Sauer
This would significantly extend the life of the battery and ultimately lead to a more durable and cheaper operation of standalone PV battery systems.
no code implementations • 26 Apr 2023 • Antti Aitio, Dominik Jöst, Dirk Uwe Sauer, David A. Howey
This opens up new opportunities to understand battery ageing in real applications.
no code implementations • 14 Apr 2023 • Jingyu Gong, Yi Nie, Jonas van Ouwerkerk, Felix Wege, Mauricio Celi Cortés, Christoph von Oy, Jonas Brucksch, Christian Bußar, Thomas Schreiber, Dirk Uwe Sauer, Dirk Müller, Antonello Monti
To overcome these limitations a software framework called FOCUS for the flexible and dynamic modeling of any urban sector-coupled energy system is developed.
no code implementations • 20 Jun 2022 • Christopher Hecht, Jan Figgener, Dirk Uwe Sauer
Electric vehicles are booming and with them the required public charging stations.
no code implementations • 13 Mar 2022 • Jan Figgener, Christopher Hecht, David Haberschusz, Jakob Bors, Kai Gerd Spreuer, Kai-Philipp Kairies, Peter Stenzel, Dirk Uwe Sauer
In total, we estimate that over 650, 000 stationary BSS with a battery energy of 7. 0 GWh with an inverter power of 4. 3 GW and 1, 878, 000 EV with a battery energy of 65 GWh and a DC charging power of 91 GW (12 GW AC) were operated in Germany by the end of 2022.
no code implementations • 29 Nov 2021 • Weihan Li, Haotian Zhang, Bruis van Vlijmen, Philipp Dechent, Dirk Uwe Sauer
In this paper, we propose a data-driven prognostics framework to predict both capacity and power fade simultaneously with multi-task learning.
no code implementations • 23 Oct 2021 • Fabian Rücker, Ilka Schoeneberger, Till Wilmschen, Ahmed Chahbaz, Philipp Dechent, Felix Hildenbrand, Elias Barbers, Matthias Kuipers, Jan Figgener, Dirk Uwe Sauer
The end-of-life for a cell cycled with 80 % DOD around an SOC of 50 % is reached after 3634 equivalent full cycles which equates to a driving distance of over 420000 km.
no code implementations • 7 Jul 2021 • Jan Figgener, Benedikt Tepe, Fabian Rücker, Ilka Schoeneberger, Christopher Hecht, Andreas Jossen, Dirk Uwe Sauer
Based on our simulations, the impact of FCR flexibilization on the economics of an EV pool is analyzed using the German FCR market design from 2011 to 2020.