Why Google is Betting on a Battery That Rusts

How Close Is Rust to Really Replacing Lithium? Micro Center is THE AI Destination: https://micro.center/251459 Sign up for a FREE 128 gig Flash Drive at Micro Center's Austin Store: https://micro.center/2d1195 Shop Micro Center's Tech Deals: https://micro.center/1c1b5f Visit Micro Center News: https://micro.center/2868d6 Lithium-ion batteries return about 90% of the electricity you put into them. Form Energy's iron-air battery, built from rust, only gives back 40%. Five years ago, I covered this long duration energy storage bet and couldn't pin down its efficiency. Now we have the number, and Form has raised over $2 billion since then, built a factory, and signed a major grid deal for a battery that stores power for days. A battery that wastes more than half its electricity is winning real contracts. So is this rust battery actually solving grid storage? Or is it just an expensive way to lose power? Watch Solar Panels Are Doing Something Nobody Expected https://youtu.be/kcQ7n9-hkRU?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ Video script and citations: https://undecided.tech/how-close-is-rust-to-really-replacing-lithium/ Get my achieve energy security with solar guide: https://undecided.link/solar-guide Follow-up podcast: Video version - https://www.youtube.com/channel/UC4-aWB84Bupf5hxGqrwYqLA Audio version - https://undecided.link/stilltbd-podcast Join the Undecided Discord server: https://undecided.link/discord 👋 Support Undecided on Patreon! https://undecided.link/patreon Visit my Energysage Portal (US): Research solar panels, heat pumps, and more to get quotes for free! https://undecided.link/energysage For a curated solar buying experience (Canada) EnergyPal's free personalized quotes: https://undecided.link/energypal 👉 Follow Me Mastodon https://mastodon.social/@mattferrell Bluesky https://bsky.app/profile/mattferrell.bsky.social Instagram https://www.instagram.com/undecidedtech Website https://undecided.tech Some music provided by Epidemic Sound https://undecided.link/epidemic I may earn a small commission for my endorsement or recommendation to products or services linked above, but I wouldn't put them here if I didn't like them. Your purchase helps support the channel and the videos I produce. Thank you. Chapters 00:00 - Intro 09:11 - Iron-Air vs. Other Batteries

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