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    "headline": "A Rougher Cold Plate Still Spread Battery Heat Better",
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    "dek": "A topology-shaped channel model improved thermal uniformity by more than ten percent at high discharge rates.",
    "summary": "A topology-shaped channel model improved thermal uniformity by more than ten percent at high discharge rates.",
    "body_text": "A simulation incorporating measured additive-manufacturing roughness found a nonuniform layered cold plate outperformed planar designs; prediction error stayed below seven percent. The work is a coupled numerical assessment, not a vehicle test.",
    "why_it_matters": "A topology-shaped channel model improved thermal uniformity by more than ten percent at high discharge rates.",
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    "tags": [
      "batteries",
      "thermal management",
      "additive manufacturing"
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      "source_id": "source-2026-08-03-017",
      "title": "International Journal of Numerical Methods for Heat & Fluid Flow: additive cold plate",
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