Electromobility remains a central component of the energy transition, and bidirectional charging is playing an increasingly important role. The idea is to use electric vehicles not only for charging, but also to feed electricity back into the grid. The potential is already evident in pilot projects and initial applications. Now a new technology is bringing additional momentum to this development - multi-level batteries.

But what exactly is behind this technology and how can it take bidirectional charging to the next level? What opportunities does it offer for companies already involved in charging infrastructure and energy services? Johannes Buberger from the University of the Federal Armed Forces in Munich, a proven expert in battery and charging technology, explains this and more to us today.

Timeline:

• 01:11 Multi-level batteries are still a relatively new concept. What exactly are multi-level batteries and what distinguishes them from conventional battery systems?
• 04:29 What special advantages do multi-level batteries offer? What properties make them particularly interesting for applications in the electromobility and energy sector? What exactly are the benefits for bidirectional charging?
• 10:56 Vehicle-to-grid (V2G) is considered a key technology for integrating renewable energies and stabilizing the grid. How could the combination of multi-level batteries and V2G improve the flexibility and stability of the power grid?
• 15:10 Data plays a central role in V2G. What opportunities and requirements arise for companies in terms of data collection and use in a bidirectional charging environment?
• 17:53 New business models could emerge with the growing integration of bidirectional charging and multi-level batteries. What market potential and long-term cost benefits do you see for companies that rely on these technologies?
• 19:18 Where do we currently stand with the implementation of bidirectional charging in practice? What technological and infrastructural developments are needed in the short term to make bidirectional charging widespread and economically viable for companies?
  

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The smarter E podcast is all about the current trends and developments in a renewable, decentralized and digital energy industry. Our moderators Tobias Bücklein and Zackes Brustik welcome and interview personalities who shape our industry and drive developments forward. A new episode is published every Thursday.

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About Johannes Buberger and the UniBw Munich

The Universität der Bundeswehr München (UniBw M) is a campus university within the portfolio of the Federal Ministry of Defense. It is in charge of the Bundeswehr Center for Digitalization and Technology Research (dtec.bw). In the MORE - Munich Mobility Research Campus research project and its four research aspects of energy & propulsion, space & traffic, networking & autonomy and opportunities & effects, holistic solutions are being developed based on the future mobility needs of society and the army, from spatial planning to the local production of CO2-neutral energy sources (electricity, hydrogen, ethanol), innovative drive trains and autonomous driving to the networking of transport infrastructure, vehicles and users.

As part of the project, Johannes Buberger is researching battery electric vehicles with an innovative multi-level battery concept. His main focus is on bidirectional charging and a new concept for controlling the system. He is also working on the balancing of vehicle emissions and cost calculations.

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