The Hidden Problem With the World's Most Efficient Solar Panel

After Years of Perovskite Promises, Does This One Deliver? Take your personal data back with Incogni! Use code UNDECIDED at the link below and get 60% off an annual plan: http://incogni.com/undecided A California startup called Tandem PV says it has built the most efficient solar panel on the planet, hitting 30.4% efficiency where today's best silicon solar panels top out around 25%. That number came from the company's own lab, and the test module is barely bigger than a coaster. On the same day, a rival posted an independently verified result that beat it anyway. Perovskite solar panels have promised this kind of efficiency leap for years, but durability has always been the catch, and Tandem PV says it finally solved it. So is this really the world's most efficient solar panel? Or is Tandem PV's big claim more marketing than reality? Massive thanks to @TwoBitDaVinci for hosting this one! Watch Solar Panels Are Doing Something Nobody Expected https://youtu.be/kcQ7n9-hkRU?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ Video script and citations: https://undecided.tech/after-years-of-perovskite-promises-does-this-one-deliver/ 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 01:12 - The Numbers 02:25 - Why Perovskite is just 3 years away 05:43 - The Most Efficient Panel? 07:18 - How it's made 08:33 - The Four-Terminal Architecture 10:35 - Long Term Performance 13:16 - Reality Check 15:20 - More Pros and Cons 16:57 - Conclusion

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