A breakthrough in capturing sunlight and storing the energy for up to 18 years.
Amazing stuff.
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Or we could just use anything that’s heavy:
Radically different market segments, I know. One stores low-level heat, the other stores electricity.
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125 cycles of testing isn’t very much- just a few months of daily use. My Lithium batteries are still performing well after over 2000 cycles.
Low grade heat storage is rather limited in its usefulness- for domestic heating the cycle time is likely to be only in the hours to days range, not years to decades- charge it up in the day, release the heat at night.
Right now water can do that job very effectively! No need to build a network of pipes around the country to transport a substance (of currently undisclosed toxicity), when people have a plentiful, non toxic alternative already.
It does sound a bit like a solution in search of a problem to me.
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