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  "path": "/nanotechnology-news3/newsid=69248.php",
  "publishedAt": "2026-04-25T18:51:11.000Z",
  "site": "https://www.nanowerk.com",
  "textContent": "Electrochemically exfoliated graphene directs nickel foam surfaces toward gamma-NiOOH during oxygen evolution, improving electrocatalytic efficiency and durability for hydrogen production.",
  "title": "Graphene layers steer nickel foam toward more active oxygen evolution catalyst phase"
}