To store renewable and long-lasting energy for more sustainable and less wasteful production, with the goal, as urgent as it is too seldom taken seriously, of decarbonizing the energy industry, reserving for the new generations a more ethical and clear future. This is the commitment of Energy Dome, a startup founded in 2019 by a group of engineers and innovators with the ambitious intent to avert climate change, using the latest technology, capable of reducing greenhouse gas emissions into the atmosphere.
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What Energy Dome does
“The fight against climate change is a need that is becoming more and more evident, especially in this period of energy transition,” Claudio Spadacini, CEO of Energy Dome, told StartupItalia. “We understand how crucial this is to avert a climate catastrophe. However, the transition requires producing energy from renewable sources, but these are intermittent and require storage systems to cover total needs,” he explains. “For this reason, we realized how much innovative technology was needed to make the production of renewables such as wind and solar PV more affordable and penetrating.”
Specifically, the technology used by Energy Dome is based on a new thermodynamic cycle, never exploited until now, which allows to liquefy and then expand a reserve of CO2. It is just the carbon dioxide, then, the main defendant in the court of climate change, to become the protagonist of a closed thermodynamic process, as one of the few gases that can be condensed and stored in liquid form under pressure at room temperature, without the need to resort to cryogenic systems.
Compression, transformation and storage of CO2
The system implemented by Energy Dome, explained Spadacini, accumulates energy at times of excess, releasing it when the production demand intensifies more. Unlike a thermochemical system, such as that of lithium batteries, it uses machines capable of compressing CO2 up to 65 atmospheres in order to transform it into a liquid state and ensure that the energy spent is stored efficiently.
Finally, the CO2 is re-gasified, re-expanded in a turbine to return the power absorbed from the grid to the grid and fed back into a tank, the Dome. In this way, the process of delivering electricity can take place throughout the day, overcoming the limitations posed, for example, by solar photovoltaic and wind systems, for which the production of electricity depends on the presence of the natural source.
The first Energy Dome plant in Sardinia
In the future projects of Energy Dome stands Sardinia, identified nationally and internationally as the first Italian island candidate to become 100% green. It is here that the startup of Varese imagines to realize the first commercial demonstration plant for the storage of clean energy. The first of a series destined to increase more and more, also thanks to the impressive allocation from the Recovery Fund, which has reserved for Mission 2, the one dedicated to energy transition, almost 70 billion euros.
“We welcome these funds, a really important figure that could help to create national technological supply chains that bring welfare and induced. This is an epoch-making moment, the important thing is to be able to manage these resources in the best possible way, allocating them to the companies that have committed themselves in this direction, contributing with concrete results,” concluded Spadacini.
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First published in Impact, a third-party contributor translated and adapted the article from the original. In case of discrepancy, the original will prevail.
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