{
  "schema_version": "1.0",
  "codex": "energy",
  "entry": {
    "id": "hydrogen_storage",
    "status": "active",
    "url_html": "https://thecodex.expert/energy/hydrogen/storage/",
    "name": "Hydrogen Storage \u2014 Compressed, Liquid, LOHC and Underground",
    "type": "concept",
    "definition": {
      "canonical": "Hydrogen storage encompasses all methods to store hydrogen (H\u2082) for later use in energy applications. H\u2082 has the highest gravimetric energy density of any fuel (142 MJ/kg, ~3\u00d7 higher than petrol/33 MJ/kg) but the lowest volumetric energy density (0.01 MJ/L at ambient, vs petrol 34.6 MJ/L). Storage m"
    },
    "provenance": {
      "author": "The Codex (Let Us Do It For U)",
      "created": "2026-05-05",
      "last_updated": "2026-05-05",
      "confidence": "high",
      "citation": "\"Hydrogen Storage \u2014 Compressed, Liquid, LOHC and Underground\", The Energy Codex, https://thecodex.expert/energy/hydrogen/storage/, last updated 2026-05-05."
    }
  }
}