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A new liquid battery stores solar heat for weeks
(www.anthropocenemagazine.org)
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this post was submitted on 23 Apr 2026
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It is a liquid that after irradiating stores that energy while still cold and can be made to release it in form of heat on demand. but also it's low grade heat mostly useful for heating and not for electricity generation. It would be simpler to just build long range transmission lines or put energy intensive manufacturing near PV farm in sunny region
Easier, but transmission loss limits is significant.
some goods and intermediates have large energy content, like, if you wanted to use energy from large pv farm in, say, morocco, then it might make more sense to ship bauxite in and aluminum bars out (it takes some 50MJ/kg to make aluminum)
simplicity of the system would be a factor in small, unattended installations like for space heating for single home