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      CO2 Battery

      Join the deployment era
      in long-duration energy storage

      Main Benefits

      • Efficient

        Efficient

        Round-trip efficiency (75%+) AC-AC and MV-MV

      • Cost-Effective

        Cost-Effective

        Highly competitive CAPEX and OPEX

      • Flexible

        Flexible

        CO2 Batteries can be constructed anywhere in the world

      • Proven

        Proven

        MW-scale plant already operational and grid-connected

      • Durable

        Durable

        No degradation of capacity or performance over 30+ years

      • Reliable

        Reliable

        Off-the-shelf components made of eco-friendly materials

      • Independent

        Independent

        No dependence on rare metals such as lithium

      The CO2 Battery in a nutshell

      • Closed thermo-mechanical transformation
      • Manipulation of CO2 between its gaseous and liquid phase
      • CO2 warms up, evaporates, and expands, turning a turbine to generate electricity
      • Energy storage sweet spot between 8/24 hours
      • Zero CO2 emissions into the atmosphere during the entire process
      • No cryogenic temperatures and high costs that are typically associated with compressed air energy storage
      • Massive reduction of costs by storing the CO2 at ambient temperature in its liquid phase
      • Patented technology that uses only water, steel, and CO2
      • All components are readily available worldwide from multiple Tier 1 suppliers
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      “Energy Dome’s technology uses a thermo-mechanical cycle, charging by drawing carbon dioxide from a ‘Dome’ gasholder, storing it under pressure, and then dispatching it by evaporating and expanding the gas through a turbine back into the gasholder.”

      CO2 is the solution for long-duration energy storage

      At the core of our solution, there’s our patented CO2-based technology. This is the only alternative to expensive, unsustainable lithium batteries currently used for energy storage. The CO2 Battery is a better-value, better-quality solution that solves your energy storage needs, so you can start transitioning to alternative energy sources today.

       

       

       

      CO2 Battery Lithium-Ion battery
      Round Trip Efficiency75%+ (no degradation over time)85% (high degradation over time)
      Lifetime30+ Years<12 Years
      CAPEX1x1.7x
      Depth of Discharge (DoD)100%<80%
      Components AvailabilityGlobalLimited
      No Critical Materials
      Physical Inertia
      Off-the-shelf Components
      Installation Time<2 years<2 years

      How does the charge/discharge process work?

      Get our brochure

      Dig deeper into what we do by requesting the brochure.

      Standard Solution

      The CO2 Battery is widely scalable on a global level thanks to the integration of well-known industrial components in a new, efficient, and cost-effective process. It’s a model where the same identical design can be deployed anywhere in the world. Every component we choose is standard, making the CO2 Battery a very simple and more economical solution, no matter where you are—a plug-and-play plant to solve the world’s biggest problem.

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      “Off-the-shelf equipment, standard components, modularity, and scalability are the features that make the CO2 Battery a ready-to-go solution to support the energy transition effectively.”

      Services

      • Time-Shifting: Choose the best time to regulate the flow of energy. The CO2 Battery stores 8+ hours, so you are able to pick what works best for your needs.
      • Physical Inertia: Minimize in less than 1 second the variation of the grid frequency as a consequence of a mismatch between generation (supply) and load (demand) therefore maintaining optimal flow.
      • Frequency Containment Reserve (Primary Reserve): Restore the equilibrium between generation (supply) and load (demand) within 30 seconds, at any level of frequency.
      • Automatic Frequency Restoration Reserve (Secondary Reserve): Replace FCR gradually after 30″ if the deviations persist to restore the grid frequency.
      • Manual Frequency Restoration Reserve (Tertiary Reserve): Restore the grid frequency by supporting or partially substituting aFRR after 12.5 Minutes.
      • Voltage Regulation: Restore the nominal grid voltage by varying the reactive power of the machine (over/under-stress).
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