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TechCrunch Login Join TechCrunch+ Searchsearch * TC Sessions: Space * Gift Guide * Startups * Videos * Audio * Newsletters * TechCrunch+ * Advertise * Events * More Close Screen ENERGY DOME USES CO2 FOR LONG-TERM POWER STORAGE FOR RENEWABLE ENERGY Haje Jan Kamps@Haje / Invalid DateTime• comment Comment cameraImage Credits: Energy Dome Longer-term energy storage is a drag, and a lot of battery tech has been focusing on “how quickly can we charge these batteries so I can drive my EV for another couple of hundred miles.” That’s a fundamentally different problem than trying to capture the power of the sun for 12 hours, before releasing the power for the next 12 hours while the moon is doing its lazy stroll against the nighttime sky. Energy Dome today announced the close of its $11 million Series A fundraise, with the goal of deploying the first commercially viable CO2 battery in a demonstration project in its native Sardinia, Italy. The company told us that a CO2 battery’s optimal charge/discharge cycle ranges from four to 24 hours, positioning it perfectly for daily and intra-day cycling. It points out that this is a fast-growing market segment, not well served by existing battery technologies. Specifically, the hope is to charge the CO2 battery during the daytime when there is a surplus of solar-generated power, before discharging during the peak evening and nighttime hours, when demand for electricity outpaces what solar can deliver. Because, well, I’d hate to feel the need to spell this out for ya — but there’s no sun at night. Built using commodity components, the company claims that its CO2 battery achieves a 75%-80% round-trip efficiency. Perhaps more interestingly, though, is that the operational life for the batteries is projected to be in the neighborhood of 25 years. If you’ve been keeping an eye on other power-storage solutions, you’ll have made a mental note that the operational life of most other solutions starts to degrade significantly by the time it hits the one-decade mark. The company projects that considering the whole lifecycle cost of its product, the cost of storing energy will be about half of the cost of storing with similarly sized lithium-ion batteries. The tech is pretty neat — the company is using CO2 in a closed-loop cycle where it changes from gas to liquid and back to gas. The company itself is named after the “dome” component of the solution — an inflatable atmospheric gas holder filled with CO2 in its gaseous form. When charging, the system draws electrical power from the electric grid, which drives a compressor that draws CO2 from the dome and compresses it, generating heat. The heat is stored in a thermal energy storage device. The CO2 is then liquified under pressure and stored in liquid CO2 vessels, at ambient temperature, to complete the charging cycle. When discharging, the cycle is reversed by evaporating the liquid CO2, recovering the heat from the thermal energy storage system and expanding the hot CO2 into a turbine, which drives a generator. Electricity is returned to the grid and the CO2 reinflates the dome without emissions to the atmosphere, ready for the next charging cycle. The system has up to 200 MWh in storage capacity. The round was led by deep tech VC firm 360 Capital, while a number of other investors round out the investment round, including Barclays’ Sustainable Impact Capital program, a division of the banking giant Barclays that takes an impact investment approach, Geneva-based multifamily office Novum Capital Partners and Third Derivative, a global climate technology startup accelerator founded by RMI and New Energy Nexus. 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HERE’S HOW AI IS DRIVING SUPERIOR SELF-SERVICE SOLUTIONS WHERE AND WHEN TO SPEND YOUR RECENTLY RAISED DOLLARS IS THAT WEED YOU'RE SMOKING GREEN ENOUGH? close PLEASE LOGIN TO COMMENT Login / Create Account SIGN UP FOR NEWSLETTERS See all newsletters(opens in a new window) Daily Week in Review Startups Weekly Event Updates Advertising Updates TechCrunch+ Announcements TechCrunch+ Events TechCrunch+ Roundup EmailSubscribe facebook(opens in a new window)twitter(opens in a new window)linkedin(opens in a new window)mail(opens in a new window)Copy Share LinkCopy Share Link checkmarkCopy TAGS * Europe * GreenTech * Hardware * Recent Funding * Startups * 360 Capital Partners * Energy Dome * Startups ENERGY DOME USES CO2 FOR LONG-TERM POWER STORAGE FOR RENEWABLE ENERGY Haje Jan Kamps Invalid DateTime• Longer-term energy storage is a drag, and a lot of battery tech has been focusing on “how quickly can we charge these batteries so I can drive my EV for another couple of hundred miles.”... DAILY CRUNCH: AFTER A TRANSITIONAL YEAR, APPLE ANNOUNCES ITS 2021 APP STORE AWARD WINNERS Alex Wilhelm Invalid DateTime• Hello friends and welcome to Daily Crunch, bringing you the most important startup, tech and venture capital news in a single package. FTC SUES TO BLOCK NVIDIA’S PURCHASE OF ARM Jon Fingas Invalid DateTime• NVIDIA’s plan to acquire ARM just hit a major stumbling block: The FTC has sued to block the merger over concerns the $40 billion deal would “stifle” competition for multiple tech... GRAB’S SPAC SPLAT CAPS OFF A BAD WEEK FOR BLANK-CHECK COMBINATIONS Alex Wilhelm Invalid DateTime• What goes up must come down. And what goes SPAC must go splat? We’ll keep workshopping that. Regardless, shares of super app Grab took a pounding today after its SPAC combination was approved... 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GM DELAYS PRODUCTION OF NEW CHEVY BOLT EVS UNTIL END OF JANUARY Rebecca Bellan Invalid DateTime• General Motors will continue to delay production of new Chevrolet Bolt EVs at the company’s Orion assembly plant in Michigan “through the week of Jan. 24, 2022,” the company said ... DEAR SOPHIE: WHAT ARE THE LATEST RULES FOR H-1B VISAS? Sophie Alcorn Invalid DateTime• I have been applying for positions in the U.S., and one company says that if they hire me and get me an H-1B visa, the filing fees and cost will be taken out of my paycheck. Is that allowed? Featured Article ACTUATOR IS GO! Today’s the big day! After months of toiling away in roundups, Actuator is finally graduating to ... Brian Heater Invalid DateTime• Featured Article ROCKET LAB REIMAGINES ROCKET DESIGN WITH ITS NEUTRON LAUNCH VEHICLE Rocket Lab finally pulled the cover off its Neutron rocket, a medium-lift vehicle that CEO Peter ... 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AWS LAUNCHES RE:POST, A NEW COMMUNITY-DRIVEN Q&A SERVICE Aisha Malik Invalid DateTime• At its annual re:Invent conference, AWS announced re:Post, a new community-driven question and answer service designed to help AWS customers remove technical roadblocks. The new service is part of ... META’S NPE TEAM TAKES A GLOBAL FOCUS WITH SEED-STAGE INVESTMENTS, OFFICES IN EMERGING MARKETS Sarah Perez Invalid DateTime• Meta’s (formerly, Facebook’s) experimental app division, the NPE team, is shifting gears. The group, which first launched in mid-2019, has been focused on building consumer-facing apps ... TC SESSIONS: SPACE 2021 BEAT THE PRICE HIKE AND FIRE UP CRUNCHMATCH FOR TC SESSIONS: SPACE 2021 Marquise Foster Invalid DateTime• Heads up folks, as we shift metaphors (ever-so-briefly) from space to sports. We’ve got a news double-header for TC Sessions: Space 2021, which takes flight (we said it was brief) on December 14-15... AWS LAUNCHES AMPLIFY STUDIO, A NEW LOW-CODE APP DEVELOPMENT TOOL Frederic Lardinois Invalid DateTime• At its re:Invent conference, AWS today announced Amplify Studio, a new Figma-connected no-code/low-code service that is meant to help developers quickly build cloud-connected apps. Amplify Studio i... AWS CLOUD WAN AIMS TO CONNECT GEOGRAPHICALLY COMPLEX ENVIRONMENTS TO CLOUD Ron Miller Invalid DateTime• Companies face all kinds of challenges moving to the cloud. The more complex and spread out you are geographically, the more difficult it becomes to manage your network. In an effort to solve this ... AWS TO LAUNCH OVER 30 NEW LOCAL ZONES INTERNATIONALLY STARTING IN 2022 Aisha Malik Invalid DateTime• At its annual re:Invent conference, AWS announced that it will be launching over 30 new AWS Local Zones in major cities around the world. These new AWS Local Zones will be made available starting i... EU WARNS ADTECH GIANTS OVER ‘LEGAL TRICKS’ AS IT MOOTS CHANGES TO CENTRALIZE PRIVACY OVERSIGHT Natasha Lomas Invalid DateTime• The European Commission has given its clearest signal yet that it’s prepared to intervene over weak enforcement of the EU’s data protection rules against big tech. Today the bloc’... * About * TechCrunch * Staff * Contact Us * Advertise * Legal * Privacy Policy * Terms of Service * TechCrunch+ Terms * Code of Conduct * About Our Ads * International * Japan FacebookFacebook(opens in a new window)TwitterTwitter(opens in a new window)YouTubeYouTube(opens in a new window)InstagramInstagram(opens in a new window)LinkedInLinkedIn(opens in a new window) © 2021 Yahoo.All rights reserved.Powered by WordPress VIP(opens in a new window).