☆ Yσɠƚԋσʂ ☆@lemmy.ml to Technology@lemmy.mlEnglish · 2 days agoChina's 40-story gravity batteries threaten lithium's energy reigninterestingengineering.comexternal-linkmessage-square12fedilinkarrow-up136arrow-down17
arrow-up129arrow-down1external-linkChina's 40-story gravity batteries threaten lithium's energy reigninterestingengineering.com☆ Yσɠƚԋσʂ ☆@lemmy.ml to Technology@lemmy.mlEnglish · 2 days agomessage-square12fedilink
minus-squareSebaDC@discuss.tchncs.delinkfedilinkarrow-up1arrow-down1·2 days agoPlus, concrete is super dirty to produce and actually not so dense.
minus-squareSheenSquelcher@lemm.eelinkfedilinkEnglisharrow-up4·2 days agoThe article mentions using greener things like waste and soil. And if you were using redundant mine shaft thats greener than building new structures.
minus-squareLodespawn@aussie.zonelinkfedilinkEnglisharrow-up1·2 days agoArguably you could use pumped hydro with the abandoned mine shaft?
Plus, concrete is super dirty to produce and actually not so dense.
The article mentions using greener things like waste and soil.
And if you were using redundant mine shaft thats greener than building new structures.
Arguably you could use pumped hydro with the abandoned mine shaft?