voidx@futurology.todayM to Futurology@futurology.todayEnglish · 3 days agoSodium batteries hit 458 Wh/kg: New material closes gap with lithiuminterestingengineering.comexternal-linkmessage-square29fedilinkarrow-up1194
arrow-up1194external-linkSodium batteries hit 458 Wh/kg: New material closes gap with lithiuminterestingengineering.comvoidx@futurology.todayM to Futurology@futurology.todayEnglish · 3 days agomessage-square29fedilink
minus-squareJohnDClay@sh.itjust.workslinkfedilinkEnglisharrow-up3·2 days agoI think I was mixing those up with thermal energy storage and thermal batteries. https://en.m.wikipedia.org/wiki/Thermal_energy_storage https://en.m.wikipedia.org/wiki/Molten-salt_battery#Thermal_batteries_(non-rechargeable) Sodium batteries do have a high temperature type, but it does look like they are non rechargeable and do generate electricity directly. The thermal energy storage only stores thermal energy rather than electricity, but they use sand.
I think I was mixing those up with thermal energy storage and thermal batteries.
https://en.m.wikipedia.org/wiki/Thermal_energy_storage
https://en.m.wikipedia.org/wiki/Molten-salt_battery#Thermal_batteries_(non-rechargeable)
Sodium batteries do have a high temperature type, but it does look like they are non rechargeable and do generate electricity directly. The thermal energy storage only stores thermal energy rather than electricity, but they use sand.