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Aluminium cells can only be powered down for 4-5 hours before they become very expensive bricks. They can be (and they already are) used to smooth out grid fluc
by semi-extrinsic 7y ago
Aluminium cells can only be powered down for 4-5 hours before they become very expensive bricks. They can be (and they already are) used to smooth out grid fluctuations, but not on the scale of day to night.
- DoctorOetker 7y agoIn theory, could the cells reside in a high temperature resistant vacuum flask (Dewar flask)? Made from quartz perhaps? It might need supports between the inner and outer walls, causing heat to leak, and hence multiple layers of vacuum with supports to be required for containing the heat...