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  "path": "/2026/06/10/gm-sodium-ion-battery-peak-energy/",
  "publishedAt": "2026-06-10T23:21:28.000Z",
  "site": "https://electrek.co",
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  "textContent": "GM has partnered with Peak Energy to develop next-generation sodium-ion battery cells, but they’re not going into EVs – they’re for grid-scale energy storage projects. GM Ventures is making a strategic investment in Peak Energy.\n\nmore…",
  "title": "GM is betting on battery cells that don’t use lithium"
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