▲ 514 ▼ New sodium-ion battery skips mechanical cooling with 97.9% efficiency (interestingengineering.com) submitted 3 months ago by Return_of_Chippy@lemmy.world to c/technology@lemmy.world 91 comments fedilink hide all child comments I've been hearing about these for a few years now. Huge if they work out at a large scale.
[–] Valmond@lemmy.dbzer0.com 1 point 3 months ago (2 children) W/kilo? Isn't there a h missing or something? permalink fedilink source parent hideshow 2 child comments replies: [–] lime@feddit.nu 1 point 3 months ago (1 child) one is energy density, the other is power density. permalink fedilink source parent hideshow 1 child comment replies: [–] Valmond@lemmy.dbzer0.com 2 points 3 months ago Aah, makes sense. I have seen soo many people confounding power and energy I thought it was the same here, my excuses. permalink fedilink source parent
[–] lime@feddit.nu 1 point 3 months ago (1 child) one is energy density, the other is power density. permalink fedilink source parent hideshow 1 child comment replies: [–] Valmond@lemmy.dbzer0.com 2 points 3 months ago Aah, makes sense. I have seen soo many people confounding power and energy I thought it was the same here, my excuses. permalink fedilink source parent
[–] Valmond@lemmy.dbzer0.com 2 points 3 months ago Aah, makes sense. I have seen soo many people confounding power and energy I thought it was the same here, my excuses. permalink fedilink source parent