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Vocabulary Reference

hasMaterialComposition

property Authorized Only

Material Composition

Materials used in battery construction with their percentages, locations, and critical raw material status. Aligned with schema:hasPart for semantic web interoperability.

URI:https://ref.openepcis.io/extensions/eu/battery/hasMaterialComposition

Used on

Battery

Domain

gs1:Product

Range

eubat:BatteryMaterial

Vocabulary alignment

Equivalent
DPP Keystonedppk:materialComposition · curated
Close match
BatteryPass SAMMbatteryMaterials · QA 91% BatteryPass SAMMbatteryMaterialName · QA 94%
Broader · upstream
Schema.orgschema:materialExtent · curated UNTPuntp:materialType · curated
Narrower · downstream
Schema.orgschema:material · QA 82%
See also
BatteryPass SAMMbatteryMaterialMass UNTPuntp:materialUsed · QA 73% EC BP Guidance#16

QA % is the verifier panel's confidence. Curated mappings graded by openai/gpt-oss-20b, verified by local QA panels per round (claude-opus-4-8 / qwen3.5-27b / qwen3-32b).

Referenced upstream terms

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Where used

In SHACL shapes (1)

  • BatteryShapeconstrains

In example documents (5)

Master data & product examples

References

Access Level

Annex XIII(2)(a): the per-material breakdown with percentages is the detailed composition reserved for persons with a legitimate interest; dpp-core serves the same name AuthorizedOnly.

JSON-LD Example 

{
  "type": "gs1:Product",
  "hasMaterialComposition": "..."
}