QT:{{”
“I’m kind of surprised and encouraged that the solutions to the long-duration-energy-storage problem could be the caveman stuff,” Craig said. Batteries depend on “pretty sophisticated electrochemistry that quickly gets outside of what I understand. And yet the solutions may be picking up heavy stuff with cranes, picking up the earth with a hydraulic jack. I think there’s some fellas in Nevada that are putting rocks in a train and rolling it uphill, then they come back down. Like, Fred Flintstone would be comfortable with most of this stuff. It could be the way.”
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What about just storing energy by storing hydrogen? And then “burning” it (to produce water) when power is needed?
Also, really liked the “physicality” of most of the energy storage approaches. Seems to be a different kind of high-tech here.
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