Thermal Simulation and Analysis of Outdoor Energy Storage
We studied the fluid dynamics and heat transfer phenomena of a single cell, 16-cell modules, battery packs, and cabinet through computer simulations and experimental
Development work is focused on use of high-temperature Na/NiCl 2 and Na/S batteries for economical stationary energy storage in connection with renewable energies for increased power generation. With target costs of €100/kWh (at the cell level), economical battery applications in combination with photovoltaics and wind energy will be made possible.
Germany will likely add many more projects in the coming months, as the federal government increasingly focuses on storage solutions. In December 2023, the Federal Ministry for Economic Afairs and Climate Action (BMWK) published its “Power Storage Strategy” to accelerate the development of new capacities.
Furthermore, alternative battery technologies are still in development and therefore not yet ready for market launch. In addition to battery packs, BESS consist of two other main components: an energy conversion system and an energy management system, which monitors the power flow and the battery's temperature.
However, renewable energies come with a catch: Due to a lack of storage capacity, Germany cannot fully leverage the potential that solar energy ofers. During sunny and windy phases, wind and solar park operators have to throttle or even shut down their systems repeatedly to avoid overloading the power grids.
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