How CATL’s Reinforced Sodium Battery is Insanely Cheap

CATL have secretly been filing many patents - and I came across one that really caught my interest. I believe their new full scale approach towards sodium-ion (of course, alongside the lithium ion cells) is due to a breakthrough that will make their manufacturing a lot cheaper and easier!

Key Sources:
Efficiency from Will Prowse video: https://hackaday.com/2025/10/30/why-sodium-ion-batteries-are-terrible-for-solar-storage/
Electrical comparison including efficiency: https://www.sciencedirect.com/science/article/pii/S0378775325001260
Economic comparison: https://www.nature.com/articles/s41560-024-01701-9
Patent: https://patents.google.com/patent/US20240194867A1/en?oq=US2024194867

Credits:
Presenter: Ryan Inis Hughes
Producer: Ryan Inis Hughes
Research: Ryan Inis Hughes
Video Editing: @aniokukade‬
Music and Sound Design: @aniokukade‬

#battery #engineering #energy #cheap

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