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  "path": "/news/2026-02-power-micrometer-scale-battery-built.html",
  "publishedAt": "2026-02-09T14:54:47.000Z",
  "site": "https://techxplore.com",
  "tags": [
    "Energy & Green Tech"
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  "textContent": "Sensors small enough to disappear into the body, microrobots that move without wires, and smart systems hidden inside everyday materials—all require a battery to function. As electronics shrink towards the micrometer scale, conventional batteries become bulky, impractical, or impossible to integrate into these tiny devices.",
  "title": "Power at the micrometer scale: A battery built for the smallest machines"
}