How is that going to work?
Electricity from renewables is used to reduce iron oxide (storage). At a different place and time, the iron is oxidized again to take out thermal energy for electricity generation (release). In this way, renewable energy is stored in large quantities, transported and made available free of CO2 – an unsolved challenge of the energy transition in the face of changing political conditions.
Iron as an energy carrier has excellent physico-chemical properties regarding transport, storage and energetic utilization. Sites inside and outside Germany with high wind and sunshine potential can be integrated into a cost-effective production of renewable electric power in a carbon-free circulatory energy economy.
Realizable solutions of the iron cycle must take into account the close coupling of engineering, natural, political and economic science issues. Therefore, Clean Circles unites the expertise of scientiscts from nine disciplines: Solid-state chemistry, electrochemistry, reaction kinetics, thermofluids, thermodynamics, mathematics, energy technology, political science and economics.