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http://dx.doi.org/10.7316/KHNES.2022.33.6.761

A Study on the Safety of Hydrogen Embrittlement of Materials Used for Hydrogen Electric Vehicles  

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)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.33, no.6, 2022 , pp. 761-768 More about this Journal
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
Carbon neutral; Hydrogen electric vehicle; Hydrogen embrittlement; Safety regulation; Global Technical Regulation; Material compatibility evaluation;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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