stabby_cicada@slrpnk.net to Green Energy@slrpnk.net · 1 year agoDirect Solar Power: Off-Grid Without Batteries | How we can minimize expensive, ecologically damaging battery storage by changing how we think about energysolar.lowtechmagazine.comexternal-linkmessage-square32fedilinkarrow-up176arrow-down16cross-posted to: [email protected][email protected][email protected]
arrow-up170arrow-down1external-linkDirect Solar Power: Off-Grid Without Batteries | How we can minimize expensive, ecologically damaging battery storage by changing how we think about energysolar.lowtechmagazine.comstabby_cicada@slrpnk.net to Green Energy@slrpnk.net · 1 year agomessage-square32fedilinkcross-posted to: [email protected][email protected][email protected]
minus-squareschroedingershat@lemmy.worldlinkfedilinkarrow-up1·edit-21 year agoIt takes a 260kg flywheel with all its mass at the edge spinning at mach 0.5 to store 1kWh. If you want simple supply chains, build a carnot battery. It’ll be half as efficient, but far more compact and long lasting. If you want a simple machine, buy a battery. The only hard part is high purity.
It takes a 260kg flywheel with all its mass at the edge spinning at mach 0.5 to store 1kWh.
If you want simple supply chains, build a carnot battery. It’ll be half as efficient, but far more compact and long lasting.
If you want a simple machine, buy a battery. The only hard part is high purity.