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한국수소및신에너지학회(구 한국수소에너지학회)> 한국수소 및 신에너지학회논문집

한국수소 및 신에너지학회논문집 update

Transactions of the Korean Hydrogen and Energy Society

  • : 한국수소및신에너지학회(구 한국수소에너지학회)
  • : 공학분야  >  화학공학
  • : KCI등재
  • :
  • : 연속간행물
  • : 격월
  • : 1738-7264
  • : 2288-7407
  • : 수소에너지(~2001)→한국수소 및 신에너지학회논문집(2002~)

수록정보
수록범위 : 13권1호(2002)~32권2호(2021) |수록논문 수 : 1,391
한국수소 및 신에너지학회논문집
32권2호(2021년 04월) 수록논문
최근 권호 논문
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KCI등재

1무인기용 연료전지 시스템 안전 기준 도출을 위한 기울기 안전 성능 평가

저자 : 최재욱 ( Jae-uk Choi ) , 임종우 ( Jong-woo Lim ) , 최성준 ( Sung-joon Choi ) , 이정운 ( Jung-woon Lee )

발행기관 : 한국수소및신에너지학회(구 한국수소에너지학회) 간행물 : 한국수소 및 신에너지학회논문집 32권 2호 발행 연도 : 2021 페이지 : pp. 93-99 (7 pages)

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Unmanned aerial vehicles (UAVs) employing hydrogen fuel cells as power sources have been studied in a wide range of applications. The safety standards for the hydrogen fuel cells have not been established yet. For this, it is necessary to identify the failures and performance degradations that may occur during a unit cell evaluation according to the UAVs' operation conditions. In this study, the change of electrochemical performances and safety parameters such as sealing and pressure differential characteristics were investigated depending on the tile angles of the unit cell.

KCI등재

2고주파 유도결합 열플라즈마를 이용한 IT-SOFC용 LSCF 나노분말 합성 및 전기전도도 특성 평가

저자 : 이호상 ( Hosang Lee ) , 정상민 ( Sang-min Chung ) , 양시영 ( Shi-young Yang ) , 서준호 ( Jun-ho Seo )

발행기관 : 한국수소및신에너지학회(구 한국수소에너지학회) 간행물 : 한국수소 및 신에너지학회논문집 32권 2호 발행 연도 : 2021 페이지 : pp. 100-108 (9 pages)

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This work investigates the characteristics of LSCF nano-powders prepared by RF thermal plasma method and the electrical conductivity of their sintered body. XRD graphs and FE-SEM images of the as-synthesized powders showed that single phase LSCF nano- particles were synthesized with the averaged sizes of ≤300 nm. TEM mapping images and ICP-MS data revealed that metal atoms, La, Sr, Co, Fe, were incorporated into a single particle with small difference of <3 wt% in global composition. In addition, the as-synthesized powders were pressed in the shape of disk and sintered at 1,100℃ for 3 hours. For the sintered body, electrical conductivities were measured for temperatures between 20℃ to 750℃ by using Van der Pauw method, showing high electrical conductivity of ≥300 S/cm at 750℃.

KCI등재

3수소 환경하에서의 고압시차주사 열량계를 이용한 고분자재료의 유리전이온도 평가

저자 : 김대호 ( Daeho Kim ) , 이상현 ( Sanghyun Lee )

발행기관 : 한국수소및신에너지학회(구 한국수소에너지학회) 간행물 : 한국수소 및 신에너지학회논문집 32권 2호 발행 연도 : 2021 페이지 : pp. 109-115 (7 pages)

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Evaluation of the thermal properties of a polymer is important for application of hydrogen infrastructure. This study describes the process of measurement of the glass transition temperature using high-pressure differential scanning calorimeter (HP-DSC) in hydrogen condition. Pressure stability of HP-DSC was evaluated up to 8 MPa in hydrogen gas and temperature calibration was carried out in the range from -92℃ to 232℃ using the reference materials. Glass transition temperature of commercial EPDM polymer was measurued at 0.2, 2, 3, 5 MPa in hydrogen condition.

KCI등재

4전자저울을 이용한 고무에서 수소기체의 장입량 및 확산도 측정 기술 개발

저자 : 정재갑 ( Jae Kap Jung ) , 전상구 ( Sang Koo Jeon ) , 백운봉 ( Un Bong Baek ) , 남승훈 ( Seung Hoon Nahm )

발행기관 : 한국수소및신에너지학회(구 한국수소에너지학회) 간행물 : 한국수소 및 신에너지학회논문집 32권 2호 발행 연도 : 2021 페이지 : pp. 116-126 (11 pages)

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We developed an ex-situ technique to determine the uptake and dif-fusivitiy of hydrogen gas dissolved in rubber by employing electronic balances and diffusion analysis program. This method is applied to rubbers such as nitrile butadiene rubber (NBR), ethylene propylene diene monomer (EPDM), fluoroelas-tomer (FKM), which are used as hydrogen gas seals in hydrogen infrastructures. After exposure to hydrogen gas of high pressure at 35 MPa and 70 MPa, the uptake and diffusivity (D) of hydrogen is obtained together with measured uncertainty. NBR and EPDM shows two kinds of hydrogen diffusion bebaviors; the fast diffusion is due to the H2 adsorbed in the main polymer network, the slow diffusion is due to the H2 trapped in the carbon black filler. Whereas the FKM appears single diffusion behavior.

KCI등재

5유정에서 선체까지 선박의 액화천연가스 및 해양 연료의 비교 수명주기 평가

저자 : 임옥택 ( Ocktaeck Lim ) , 윤상진 ( Sangjin Yoon )

발행기관 : 한국수소및신에너지학회(구 한국수소에너지학회) 간행물 : 한국수소 및 신에너지학회논문집 32권 2호 발행 연도 : 2021 페이지 : pp. 127-133 (7 pages)

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In this study, well to hull was obtained by life cycle assessment (LCA) and the greenhouse gases, regulated emissions, and energy use in transportation model (GREET), which is developed by Argonne National Laboratory to evaluate the environmental impact of marine liquified natural gas (LNG) and marine fuel. This study compared the environmental impact of marine LNG and marine fuels, which were caused by green house gases (GHG) emissions and energy consumption. The effect resulted from well to pump (WTP) process and pump to hull (PTH). Natural gas has the potential to generate more greenhouse gases than liquid fuels due to the amounts of leaks of the gas that were sent out the air during production and processing. Nevertheless, the results showed that the greenhouse gases produced during transportation were enough to reduce the disadvantages of PTH process. The research expects that the results will be in accordance with the environmental policy of South Korea.

KCI등재

60.5 MWth 급 케미컬루핑 연소시스템에서 대량생산 산소전달입자를 이용한 천연가스와 합성가스의 연소특성

저자 : 류호정 ( Ho-jung Ryu ) , 이도연 ( Doyeon Lee ) , 남형석 ( Hyungseok Nam ) , 황병욱 ( Byung Wook Hwang ) , 김하나 ( Hana Kim ) , 원유섭 ( Yooseob Won ) , 라호원 ( Ho Won Ra ) , 윤성민 ( Sung Min Yoon ) , 백점인 ( Jeom-in Baek )

발행기관 : 한국수소및신에너지학회(구 한국수소에너지학회) 간행물 : 한국수소 및 신에너지학회논문집 32권 2호 발행 연도 : 2021 페이지 : pp. 134-142 (9 pages)

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Batch type reduction-oxidation tests were performed to compare combustion characteristic of mass produced particle (N016-R4) for syngas from glycerin with natural gas in a 0.5 MWth chemical looping combustion system. Integration between the gasifier and the 0.5 MWth chemical looping combustor was successful. The measured fuel conversion and the CO2 selectivity for syngas were higher than those of natural gas because the oxygen demand for complete combustion of syngas was lower than that of natural gas. For all fuels, CO2 selectivity decreased as the fuel flow rate increased from 180 to 300 Nl/min. Therefore continuous solid circulation and feeding the oxidized oxygen carrier particle to the fuel reactor is prerequisite to ensure high CO2 selectivity.

KCI등재

7가스 센서 감시 장치를 이용한 배터리 보호 방법

저자 : 이재경 ( Jaekyung Lee ) , 박계춘 ( Gyechoon Park )

발행기관 : 한국수소및신에너지학회(구 한국수소에너지학회) 간행물 : 한국수소 및 신에너지학회논문집 32권 2호 발행 연도 : 2021 페이지 : pp. 143-148 (6 pages)

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This paper is about the operating environment surrounding the battery and the methods and devices for monitoring battery damage and protecting the battery from fire hazards. More detailed information is about battery protection methods and devices to prevent thermal runaway, including algorithms to detect gas leaks early or to prevent malfunction of gas sensors, referring to the average values obtained based on the sensor signal values measured from the gas sensor.

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1연안해역에서 석유오염물질의 세균학적 분해에 관한 연구

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