成立于2020年、总部位于米兰的能源公司Energy Dome正在推进其二氧化碳压缩储能技术的全球部署。1该公司已于2025年在意大利撒丁岛启动首个商业项目，装机容量达200兆瓦时。1这座占地相当于7个足球场、储存约2000吨二氧化碳的设施能够提供24小时的连续供电，足以满足18000户意大利家庭10小时的用电需求。1
Energy Dome的二氧化碳电池技术在长期储能应用中展现了经济优势。1与锂离子电池相比，该公司的8小时储能系统成本低10%-15%。1不过其往返效率约为70%，低于锂离子电池的90%水平。1
该公司的全球扩张计划包括在五大洲部署30吉瓦时的项目。1其中一项重要合作是与谷歌签署的协议，双方将在爱尔兰建造200兆瓦时的电厂，预计2028年投入运营。1
Energy Dome, a company founded in 2020 and headquartered in Milan, has begun operating its first commercial carbon dioxide compression energy storage facility on the island of Sardinia, Italy in 2025.1 The facility has a capacity of 200 megawatt-hours and can provide power to approximately 18,000 Italian households for ten hours.1 The system occupies an area equivalent to seven football fields and stores roughly 2,000 tons of carbon dioxide.1
The company's carbon dioxide battery technology offers cost advantages compared to lithium-ion systems in long-duration energy storage applications. For eight-hour storage systems, Energy Dome's solution is 10 to 15 percent cheaper than lithium-ion batteries.1 However, the technology demonstrates a round-trip efficiency of approximately 70 percent, lower than the 90 percent efficiency achieved by lithium-ion batteries.1 Energy Dome has announced plans to deploy 30 gigawatt-hours of projects across five continents globally.1 Additionally, the company has signed an agreement with Google to construct a 200-megawatt-hour facility in Ireland, which is expected to become operational by 2028.1
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