The upcoming Stuttgart Symposium on Electrochemical Energy Technology (S2EET) in September 2025 will play a crucial role in advancing solutions for the decarbonisation of society. The event will specifically focus on the convergence of power generation, hydrogen production, and storage, highlighting the importance of fuel cells, water electrolysis, and rechargeable batteries in transforming energy systems. With a strong emphasis on industry-academia collaboration, the symposium will offer a comprehensive view of cutting-edge topics in electrochemical energy technology. By exploring cell innovations that can lead to system improvements, participants will contribute to the development of sustainable solutions for a greener and more efficient future. The event aims to strengthen interactions between academia and industry, fostering a collaborative environment to drive progress in the field of energy technology towards a more sustainable and environmentally friendly society.