Comments by "David Elliott" (@davidelliott5843) on "How A Sand Battery Could Change The Energy Game" video.

  1. Solar thermal power plants use mirrors to melt salt in a furnace. That salt stores the heat for driving steam turbines. It’s low cost and store A LOT of heat in useful ways. Sand is ok but it has to be seaside or desert sand with rounded particles. River sand is too sharp. The particles bind together.
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