☆ Yσɠƚԋσʂ ☆@lemmy.ml to Technology@lemmy.mlEnglish · 4 个月前China's 40-story gravity batteries threaten lithium's energy reigninterestingengineering.comexternal-linkmessage-square14fedilinkarrow-up140arrow-down17
arrow-up133arrow-down1external-linkChina's 40-story gravity batteries threaten lithium's energy reigninterestingengineering.com☆ Yσɠƚԋσʂ ☆@lemmy.ml to Technology@lemmy.mlEnglish · 4 个月前message-square14fedilink
minus-squareSebaDC@discuss.tchncs.delinkfedilinkarrow-up1arrow-down1·4 个月前Plus, concrete is super dirty to produce and actually not so dense.
minus-squareSheenSquelcher@lemm.eelinkfedilinkEnglisharrow-up4·4 个月前The 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-up1·4 个月前Arguably 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?