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Battery design from PNNL could help integrate renewables into the grid

A research team led by the Department of Energy’s Pacific Northwest National Laboratory (PNNL) demonstrated what they said is a new design for a grid energy storage battery built with low-cost metals sodium and aluminum.

They said the design provides a pathway towards a “safer and more scalable” stationary energy storage system that could help integrating renewable energy into the nation’s grid.

If it proves able to move from the lab to commercial deployment, the technology could enable low-cost, daily shifting of solar energy into the electrical grid over a 10- to 24-hour period.

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