{
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  "path": "/2026/06/22/chinese-sodium-ion-battery-matches-tesla-build-quality/",
  "publishedAt": "2026-06-22T13:05:26.000Z",
  "site": "https://electrek.co",
  "tags": [
    "News",
    "CATL",
    "EV battery",
    "Hina Battery",
    "sodium-ion battery",
    "Tesla",
    "Cell Press"
  ],
  "textContent": "A commercial sodium-ion battery from Chinese manufacturer Hina matches Tesla’s lithium-ion cells on manufacturing quality and internal design, according to an independent teardown published in the Cell Press journal _Cell Reports Physical Science_.\n\nResearchers at Germany’s RWTH Aachen University measured cell-to-cell resistance varying by just 5.3% across 120 cells — a sign of tightly controlled mass production rivaling the best lithium cells on the market.",
  "title": "Chinese sodium-ion battery matches Tesla on build quality, teardown finds"
}