Aayan Banerjee


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Research interests

We develop physics-based multiscale digital twins to better design and control next generation chemical and electrochemical technologies with a special focus on hydrogen fuel cells and electrolysers as well as Li-ion and redox-flow batteries. We employ a hierarchical approach to accurately predict the performance, lifetime, and cost of commercial-scale systems directly from material, catalytic and morphological properties measured in the lab using a myriad of techniques including detailed micro-kinetic reaction modelling, structural evolution modelling, continuum transport modelling and machine learning.

See this video from the 2022 EU Hydrogen Week in Brussels highlighting one of the main themes of our research -  https://www.youtube.com/watch?v=X2mYiuxrKoY&t=354s

Our various research works on high temperature solid oxide cell technology utilizing this integrated multiscale approach are showcased in this Wiley article: https://onlinelibrary.wiley.com/doi/full/10.1002/cite.202100199


Exploring the impact of solid oxide cell size on performance and reliability (NWO KICH1.ED04.20.020)

Solid Oxide Electrolysis is an energy-efficient conversion technology enabling green chemicals and fuels generation. Together with TNO, KIT, Sunfire and Shell, we will address the scale-up of the technology towards multi-MW scale by determining the maximum size for a solid oxide cell that can tolerate electrolysis operation without mechanical failure.

Direct CO2 methanation inside a proton-conducting solid oxide electrolyser (NWO KICH1.ED04.20.018)

Next-generation proton ceramic electrolysers offer the promise of efficient synthesis of high value chemicals and fuels from relatively abundant and inexpensive raw materials. Together with EIFER and Shell, we will test that promise by attempting to make synthetic methane inside a proton ceramic cell using CO2, steam, and electricity.

Expertise related to UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

  • SDG 7 - Affordable and Clean Energy


  • TP Chemical technology
  • fuel cells
  • multi-scale modelling
  • reaction kinetics
  • transport phenomena
  • electrolysers
  • batteries
  • hydrogen

Artificial Intelligence Expert

  • Energy, Sustainability, Environment and Circularity
  • Mobility and Transport
  • Smart and Service Industry


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