{"id":4266,"date":"2026-02-09T08:37:08","date_gmt":"2026-02-09T07:37:08","guid":{"rendered":"https:\/\/desdelaterrazadeamador.com\/?p=4266"},"modified":"2026-02-14T08:43:07","modified_gmt":"2026-02-14T07:43:07","slug":"un-nuevo-sistema-de-almacenamiento-de-energia-utilizando-co2","status":"publish","type":"post","link":"https:\/\/desdelaterrazadeamador.com\/en\/un-nuevo-sistema-de-almacenamiento-de-energia-utilizando-co2\/","title":{"rendered":"A new energy storage system using CO2"},"content":{"rendered":"

Views: 2<\/p>\n

Human creativity knows no bounds, and today I'm going to discuss a new process for storing energy and returning it to the grid when needed. The current battery-based system is operational in many places, but batteries require special and scarce metals, while this alternative uses readily available and easily obtainable materials.<\/p>\n\n\n\n

The technology comes from Energy Dome, and it's one of the most ingenious and sustainable solutions for large-scale energy storage. Instead of using expensive chemicals like lithium, it utilizes the physical properties of carbon dioxide (CO\u2082) to store electricity, much like a giant spring.<\/p>\n\n\n\n

It operates in a closed loop (the gas never escapes into the atmosphere) through these three steps:<\/p>\n\n\n\n

Phase 1. Charging: Compress and Liquefy<\/p>\n\n\n\n

When there is excess solar or wind energy, the system uses that electricity to power a compressor. Then, gaseous CO\u2082 is extracted from a giant inflatable dome and compressed until it becomes liquid.<\/p>\n\n\n\n

This process generates heat, which is not wasted: it is stored in a thermal system (like a giant thermos filled with bricks or hot water).<\/p>\n\n\n\n

The liquid CO\u2082, now cool and very compact, is stored in steel tanks at ambient temperature.<\/p>\n\n\n\n

Phase 2. Storage<\/p>\n\n\n\n

Unlike conventional batteries that discharge over time, liquid CO\u2082 can remain in the tanks for days or weeks without losing energy. This makes it ideal for long-term storage (24 hours or more).<\/p>\n\n\n\n

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Phase 3. Discharge: Expand and Generate<\/p>\n\n\n\n

When the grid needs electricity (for example, at night), the process is reversed, and the liquid CO\u2082 is heated using the heat stored earlier.<\/p>\n\n\n\n

As it heats up, the liquid evaporates and turns back into a gas, expanding rapidly. This pressure drives a turbine that generates electricity and sends it to the grid.<\/p>\n\n\n\n

Finally, the gas is returned to the inflatable dome to begin the cycle again.<\/p>\n\n\n\n

Why is it revolutionary?:<\/p>\n\n\n\n

Common materials: It only uses steel, CO\u2082, and water. It doesn't need rare earth elements or conflict minerals.<\/p>\n\n\n\n

Lifespan: It can operate for more than 30 years without losing capacity (lithium batteries degrade quickly).<\/p>\n\n\n\n

Efficiency: It returns approximately 75% of the energy it receives, which is extremely high for mechanical systems.<\/p>\n\n\n\n

Cost: It is almost 50% cheaper to build than current lithium mega-batteries.<\/p>\n\n\n\n

The following video visually explains how the change of state of CO\u2082 allows for efficient energy management and why it is a key component in reducing our dependence on fossil fuels.<\/p>\n\n\n\n

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