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    How Peak Energy is using table salt to break China's battery stranglehold

    Materials for sodium-ion batteries are abundant, but supply chain hurdles remains

    20260219 peak box

    Peak Energy is working on a battery storage system that does not use lithium. (Pak Yiu)

    PAK YIU
    February 19, 2026 11:08 JST
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    DENVER, Colorado -- Tucked away on a plot of land by a solar farm near Denver, Colorado, sits a nondescript, white container weighing 110,000 pounds and packed with enough batteries to power 2,700 homes for four hours. 

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