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  "path": "/spotlight/spotid=69323.php",
  "publishedAt": "2026-05-04T21:43:11.000Z",
  "site": "https://www.nanowerk.com",
  "textContent": "Heavy water's stronger hydrogen-bond network lowers ion desolvation energy in a zinc-copper Daniell cell, enabling uniform metal deposition and over 2,500 rechargeable cycles from a 190-year-old design.",
  "title": "Heavy water makes the 190-year-old Daniell cell rechargeable for the first time"
}