H2020-Project SONAR

In search of truly competitive solutions for storing energy from renewable resources, the SONAR-team sets out to develop a framework for the simulation-based screening of electroactive materials for organic redox flow batteries (RFBs) – in aqueous and non-aqueous solutions. This will help to reduce the cost and time-to-market and thus strengthen the competitiveness of the EU’s battery industry.

  • We follow a multiscale modelling paradigm, starting from the automated generation of candidate structures for the electroactive material and then iterate through molecular-, electrochemical interface-, porous electrodes-, cell-, stack-, system- and techno-economic-level models.
  • Finally, storage technologies are only comparable when using the levelized-cost-of-storage (LCOS) as a global metric, which accounts for all relevant effects across all the scales.
  • The simulation results go into a database for further processing – we will exploit advanced data integration, analysis and machine-learning techniques, drawing on the growing amount of data produced during the project in order to speed up the computations.

Selected models will be validated by measurements in RFB half-cells and lab-sized test cells to ensure our predictions' quality. We will work closely with industrial partners to ensure the commercial viability of the results.


Upcoming events

SONAR partners will present their work at the following upcoming events:

FLORES workshop on digital twins and LCA for flow batteries

by CUBER and HYFLOW | September 12th, 2022 | Online Meeting | More info

ISE – 73rd Annual Meeting: Electrochemistry-Powering a Healthier Planet

September 12 – 16, 2022 | Online Meeting | More info

Expo for Decarbonized Industries (former Energy Storage) + IRES conference by EUROSOLAR  

Sepember 20 – 22, 2022 | Düsseldorf, Germany | More info

Electrochemistry 2022: At the Interface between Chemistry and Physics

September 27 – 30, 2022 | Berlin, Germany | More info

ECS – 242nd ECS Meeting

October 9 – 13, 2022 | Atlanta, Georgia, USA | More info

2nd World Energy Storage Conference (WESC 2022), jointly with the 7th UK Energy Storage Conference (UKESC 2022)

October 12 – 14, 2022 | hybrid: Online + Presence, Birmingham, UK | More info


October 26 – 28, 2022 | Chalmers Univerity of Technology, Gothenburg,  Sweden | More info

ISE – 33rd Topical Meeting of the International Society of Electrochemistry: Challenges in Molecular Electrochemistry and Surface Reactivity

November 27 – 30, 2022 | Santiago, Chile | More info


Project information / funding by:

  • Call: H2020-LC-BAT-2019
  • Grant agreement ID: 875489
  • Duration: 01.01.2020 – 31.12.2023
  • Total cost: 2,385,985.00 €
  • Coordinator: Fraunhofer

Funding disclaimer:

This project has received funding from the European Union’s Horizon 2020 research and innovation programme under Grant Agreement no. 875489.

This website reflects only the author’s view. The funding agency is not responsible for any use made of the information it contains.