How Flow Batteries Work (VIDEO)

DOE/Pacific Northwest National Laboratory

Caption

Flow batteries produce power by pumping electrolytes - liquid solutions with dissolved chemicals -- from external tanks into a central stack. PNNL's new zinc-polyiodide flow battery's electrolytes carry positively charged zinc ions and the negatively charged ions iodide and polyiodide.

Credit

Pacific Northwest National Laboratory

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Credit PNNL

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