@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/batteries>
  skos:prefLabel "batteries"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/fuel_cells> .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/concepts>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/fuel_cells> .

<https://concepts.sagepub.com/social-science/concept/fuel_cells>
  skos:definition "Fuel cells, like batteries, convert chemical energy to electricity. Unlike batteries, “fuel” can be fed continuously into a fuel cell from a reservoir that can be refilled, even during operation. [Source: <a href=\"https://sk.sagepub.com/reference/greenenergy/n57.xml\" target=\"_blank\" data-id=\"to-sk\">Green Energy: An A-to-Z Guide; Fuel Cells</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/batteries> ;
  skos:prefLabel "fuel cells"@en ;
  a skos:Concept .