Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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A Study on the Safety of Hydrogen Embrittlement of Materials Used for Hydrogen Electric Vehicles

수소전기차 사용소재의 수소취성 안전성에 관한 고찰

  • HYEONJIN, JEON (Testing & Research Division, Korea Automobile Testing & Research Institute) ;
  • WONJONG, JEONG (Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology) ;
  • SUNGGOO, CHO (ReDesignX Inc.) ;
  • HOSIK, LEE (TENERGY, Green Mobility Team) ;
  • HYUNWOO, LEE (Testing & Research Division, Korea Automobile Testing & Research Institute) ;
  • SEONGWOO, CHO (Testing & Research Division, Korea Automobile Testing & Research Institute) ;
  • ILHO, KANG (Testing & Research Division, Korea Automobile Testing & Research Institute) ;
  • NAMYONG, KIM (Testing & Research Division, Korea Automobile Testing & Research Institute) ;
  • HO JIN, RYU (Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology)
  • 전현진 (한국교통안전공단 자동차안전연구원) ;
  • 정원종 (한국과학기술원 원자력및양자공학과) ;
  • 조성구 ((주)리디자인엑스) ;
  • 이호식 (테너지) ;
  • 이현우 (한국교통안전공단 자동차안전연구원) ;
  • 조성우 (한국교통안전공단 자동차안전연구원) ;
  • 강일호 (한국교통안전공단 자동차안전연구원) ;
  • 김남용 (한국교통안전공단 자동차안전연구원) ;
  • 류호진 (한국과학기술원 원자력및양자공학과)
  • Received : 2022.10.12
  • Accepted : 2022.11.09
  • Published : 2022.12.30
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Abstract

In the hope of realizing carbon neutrality, Korea has established the goal of expanding the supply of hydrogen electric vehicles through a roadmap to revitalize the hydrogen economy. A prerequisite for successful supply expansion is securing the safety of hydrogen electric vehicles. Certain parts, such as the hydrogen transport pipe and tank, in hydrogen electric vehicles are exposed to high-pressure hydrogen gas over long periods of time, so the hydrogen enters the grain boundary of material, resulting in a degradation of the parts referred to as hydrogen embrittlement. In addition, since the safety of parts utilizing hydrogen varies depending on the type of material used and its environmental characteristics, the necessity for the enactment of a hydrogen embrittlement regulation has emerged and is still being discussed as a Global Technical Regulation (GTR). In this paper, we analyze a hydrogen compatibility material evaluation method discussed in GTR and present a direction for the development of Korean-type hydrogen compatibility material evaluation methods.

Keywords

Acknowledgement

이 논문은 국토교통과학기술 연구개발사업의 "수소버스 안전성 평가기술 및 장비 개발(22HBST-C158067-03)" 과제의 지원을 받아 작성되었습니다.

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