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

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Development of Measurement Technology for Uptake and Diffusivity of Hydrogen gas in Rubber Materials using Volumetric Analysis

부피 분석법을 이용한 고무 소재의 수소 기체 장입량 및 확산도 측정 기술 개발

  • LEE, JI HUN (Department of Measurement Science, Korea Research Institute of Standards and Science, University of Science and Technology) ;
  • JUNG, JAE KAP (Hydrogen Energy Materials Research Center, Korea Research Institute of Standards and Science) ;
  • BAEK, UN BONG (Hydrogen Energy Materials Research Center, Korea Research Institute of Standards and Science) ;
  • CHUNG, KI SOO (Department of Physics and Research Institute of Natural Science, Gyeongsang National University)
  • 이지훈 (과학기술연합대학원대학교 한국표준과학연구원 측정과학전공) ;
  • 정재갑 (한국표준과학연구원 수소에너지소재연구팀) ;
  • 백운봉 (한국표준과학연구원 수소에너지소재연구팀) ;
  • 정기수 (경상국립대학교 자연과학대학 물리학과)
  • Received : 2022.01.05
  • Accepted : 2022.01.27
  • Published : 2022.02.28
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Abstract

We developed a technology that can measure the hydrogen uptake and diffusivity of rubber materials by using the volumetric analysis method and diffusivity analysis program through the measurement of the water level in the graduated cylinder. In this method, hydrogen gas is charged at a certain pressure for a certain period of time for a rubber material exposed to a high-pressure hydrogen gas environment, and then the pressure is reduced to measure the change in the water level in the graduated cylinder in real time, and based on the measured value, it is a technology that can evaluate hydrogen uptake and diffusivity using diffusivity analysis program. Using this method, the hydrogen uptake and diffusivity of the NBR material were measured with respect to the change in the type and weight ratio of the filler used to improve the physical properties of the rubber material. In addition, uncertainty analysis was performed on the diffusivity measurement method.

Keywords

Acknowledgement

본 논문은 2021년도 한국표준과학연구원의 수소융복합스테이션 신뢰성 측정표준 기술개발 재원으로 지원을 받아 수행된 연구입니다(한국표준과학연구원-2022-GP2022-0007). 이 연구는 2021년도 경상국립대학교 연구년제 연구교수 연구지원비에 의하여 수행되었습니다.

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