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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)~30권2호(2019) |수록논문 수 : 1,245
한국수소 및 신에너지학회논문집
30권2호(2019년 04월) 수록논문
최근 권호 논문
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KCI등재

1LT-WGS 반응을 위한 Cu/ZnO/MgO/Al2O3 촉매의 수분처리에 의한 촉매 특성 분석

저자 : 박지혜 ( Jihye Park ) , 백정훈 ( Jeong Hun Baek ) , 조광희 ( Gwang Hui Jo ) , Haroon Ur Rasheed , 이광복 ( Kwang Bok Yi )

발행기관 : 한국수소및신에너지학회(구 한국수소에너지학회) 간행물 : 한국수소 및 신에너지학회논문집 30권 2호 발행 연도 : 2019 페이지 : pp. 95-102 (8 pages)

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In order to investigate the effect of water treatment on activity of WGS catalyst, Cu/ZnO/MgO/Al2O3 (CZMA) catalysts were synthesized by co-precipitation method. The prepared catalysts were water-treated at two different temperature (250, 350℃). Synthesized catalysts were characterized by using BET, SEM, N2O chemisorption, XRD, H2-TPR and XPS analysis. The catalytic activity tests were carried out at a GHSV of 28,000 h-1 and a temperature range of 180- 320℃. The reduction temperature decreased with water treatment and CZMA_250 catalyst showed the lowest reduction temperature and retained a large amount of Cu+. Water-treated catalysts showed increased reactivity compared to untreated catalyst and the CZMA_250 catalyst showed higher catalytic activity on WGS reaction.

KCI등재

2저온 수성가스 전이 반응용 Cu-Zn-Al 촉매의 숙성시간 최적화

저자 : 심재오 ( Jae-oh Shim ) , 나현석 ( Hyun-suk Na ) , 안선용 ( Seon-yong Ahn ) , 장원준 ( Won-jun Jang ) , 노현석 ( Hyun-seog Roh )

발행기관 : 한국수소및신에너지학회(구 한국수소에너지학회) 간행물 : 한국수소 및 신에너지학회논문집 30권 2호 발행 연도 : 2019 페이지 : pp. 103-110 (8 pages)

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Cu-Zn-Al catalysts were prepared via co-precipitation method for low-temperature water-gas shift (LT-WGS) reaction under practical reaction condition. Aging time was systematically changed to find optimum point for LT-WGS under practical condition. The Cu-Zn-Al catalyst aged for 72 hours showed the highest CO conversion within low-temperature range as well as very stable catalytic activity for 200 hours despite the practical reaction condition.

KCI등재

3코크스오븐가스 기반 천연가스, 바이오가스가 혼합된 연료의 가압 수증기 개질 반응에 관한 연구

저자 : 전형준 ( Hyungjun Cheon ) , 한광우 ( Gwangwoo Han ) , 배중면 ( Joongmyeon Bae )

발행기관 : 한국수소및신에너지학회(구 한국수소에너지학회) 간행물 : 한국수소 및 신에너지학회논문집 30권 2호 발행 연도 : 2019 페이지 : pp. 111-118 (8 pages)

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Greenhouse gas emissions have a profound effect on global warming. Various environmental regulations have been introduced to reduce the emissions. The largest amount of greenhouse gases, including carbon dioxide, is produced in the steel industry. To decrease carbon dioxide emission, hydrogen- based iron oxide reduction, which can replace carbon-based reduction has received a great attention. Iron production generates various by-product gases, such as cokes oven gas (COG), blast furnace gas (BFG), and Linz-Donawitz gas (LDG). In particular, COG, due to its high concentrations of hydrogen and methane, can be reformed to become a major source of hydrogen for reducing iron oxide. Nevertheless, continuous COG cannot be supplied under actual operation condition of steel industry. To solve this problem, this study proposed to use two alternative COG-based fuel mixtures; one with natural gas and the other with biogas. Reforming study on two types of mixed gas were carried out to evaluate catalyst performance under a variety of operating conditions. In addition, methane conversion and product composition were investigated both theoretically and experimentally.

KCI등재

4수소경제사회 실현을 위한 액체 유기 수소캐리어를 이용한 수소 수송 관련 예비 경제성 평가

저자 : 이보름 ( Boreum Lee ) , 이현준 ( Hyunjun Lee ) , 문창환 ( Changhwan Moon ) , 문상봉 ( Sangbong Moon ) , 임한권 ( Hankwon Lim )

발행기관 : 한국수소및신에너지학회(구 한국수소에너지학회) 간행물 : 한국수소 및 신에너지학회논문집 30권 2호 발행 연도 : 2019 페이지 : pp. 119-127 (9 pages)

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Reliable H2 supply is necessary for entering a H2 society. Among the various H2 storage and transportation methods, liquid organic H2 carrier (LOHC) is in the spotlight because of a lot of advantages compared to conventional one such as compressed H2 and liquefied H2. Therefore, we performed preliminary economic analysis of H2 supply cost using LOHC for a H2 production capacity of 300 Nm3 h-1 employing itemized cost estimation and sensitivity analysis to evaluate economic viability of this technology in Korea.

KCI등재

5고온 PEMFC 응용을 위한 다공성 SiO2 기반 폴리벤즈이미다졸 복합막

저자 : 한다은 ( Daeun Han ) , 유동진 ( Dong Jin Yoo )

발행기관 : 한국수소및신에너지학회(구 한국수소에너지학회) 간행물 : 한국수소 및 신에너지학회논문집 30권 2호 발행 연도 : 2019 페이지 : pp. 128-135 (8 pages)

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In this study, the mesoporous SiO2 (5, 10, or 15 wt%) was incorporated into the polybenzimidazole matrix in order to improve the proton conduction as well as physiochemical properties of composite membrane. The chemical structure of mesoporous SiO2 and crystallinity of as-prepared membranes were analyzed by Fourier-transform infrared (FT-IR) spectroscopy and X-ray diffraction (XRD) analysis, respectively. The thermal stability of the pristine X1Y9 and composite membranes were evaluated by thermogravimetric analyzer (TGA). On other side, the physical and chemical properties of the pristine X1Y9 and composite membranes were also determined by acid uptake and oxidative stability tests, respectively. With the incorporation of 15 wt% SiO2, the composite membrane exhibits the higher proton conductivity that may be applicable for non-humidified high temperature fuel cell applications.

KCI등재

6건물용 연료전지 기반 하이브리드 제습냉방시스템 성능 및 에너지 절감 분석

저자 : 인정현 ( Junghyun In ) , 이율호 ( Yulho Lee ) , 강상규 ( Sanggyu Kang ) , 박성진 ( Sungjin Park )

발행기관 : 한국수소및신에너지학회(구 한국수소에너지학회) 간행물 : 한국수소 및 신에너지학회논문집 30권 2호 발행 연도 : 2019 페이지 : pp. 136-146 (11 pages)

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A solid oxide fuel cell (SOFC) based hybrid desiccant cooling system model is developed to study the effect of fuel utilization rate of the SOFC on the reduction of energy consumption and CO2 emission. The SOFC-based hybrid desiccant cooling system consists of an SOFC system and a Hybrid desiccant cooling system (HDCS). The SOFC system includes a stack and balance of plant (BOP), and HDCS. The HDCS consists of desiccant rotor, indirect evaporative cooler, electric heat pump (EHP), and heat exchangers. In this study, using energy load data of a commercial office building and SOFC-based HDCS model, the amount of ton of oil equivalent (TOE) and ton of CO2 (tCO2) are calculated and compared with the TOE and tCO2 generation of the EHP using grid electricity.

KCI등재

7CFD를 통한 용융탄산염 연료전지의 유동 및 크기에 따른 운전 특성 분석

저자 : 김동우 ( Dong-woo Kim ) , 김하영 ( Ha-young Kim ) , 최정환 ( Jeong-hwan Choi ) , 이창환 ( Chang-whan Lee )

발행기관 : 한국수소및신에너지학회(구 한국수소에너지학회) 간행물 : 한국수소 및 신에너지학회논문집 30권 2호 발행 연도 : 2019 페이지 : pp. 147-154 (8 pages)

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In this study, effects of flow types and size of molten carbonate fuel cells (MCFCs) were investigated using CFD simulation. In the simulation, the current collector of MCFCs were assumed to be an porous media. With the area of 0.09 m2, the effect of flow types such as Co-flow, Counter-flow, Cross-flow were studied. After that the effect of the size and flow direction was studied. Among three-flow types, MCFCs with co-flow type shows more uniform distribution and current density distribution.

KCI등재

8가정용 독립 연료전지-배터리 하이브리드 에너지 관리 기술 개발

저자 : 양석란 ( Seugran Yang ) , 김정석 ( Jungsuk Kim ) , 최미화 ( Mihwa Choi ) , 김영배 ( Young-bae Kim )

발행기관 : 한국수소및신에너지학회(구 한국수소에너지학회) 간행물 : 한국수소 및 신에너지학회논문집 30권 2호 발행 연도 : 2019 페이지 : pp. 155-162 (8 pages)

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The energy management technology for an independent fuel cell- battery hybrid system is developed for a household usage. To develop an efficient energy management technology, a simulation model is first developed. After the model is verified with experimental results, three energy management schemes are developed. Three control techniques are a fuzzy logic control (FLC), a state machine control (SMC), and a hybrid method of FLC and SMC. As the fuel cell-battery hybrid system is used for a house, battery state of charge (SOC) regulation is the most important factor for an energy management because SOC should be kept constant every day for continuous usage. Three management schemes are compared to see SOC, power split, and fuel cell power variations effects. Experimental results are also presented and the most favorable strategy is the state machine combined fuzzy control method.

KCI등재

9수소충전용 직접 및 간접 냉각시스템 비교 평가 연구

저자 : 이현찬 ( Hyenchan Lee ) , 이종열 ( Jongyeol Yi ) , 배찬효 ( Chanhyo Bae ) , 허정호 ( Jeongho Heo ) , 전재영 ( Jaeyoung Jeon )

발행기관 : 한국수소및신에너지학회(구 한국수소에너지학회) 간행물 : 한국수소 및 신에너지학회논문집 30권 2호 발행 연도 : 2019 페이지 : pp. 163-169 (7 pages)

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This study is a research to compare efficiency of new cooling system (chiller, pre-cooler) to that of the conventional system at the hydrogen refueling station (HRS). This study includes contents for thermodynamic comparison of cooling system for HRS and comparison of pros and cons of its components. So It is to establish design concept of cooling system of HRS supplying with fuel cell electric vehicle (FCEV). HRS is charging high pressure H2 (700 bar) to FCEV. However cooling system is need to prevent temperature rise in tank. This cooling system consists of pre-cooler and chiller system.

KCI등재

100.5 MWth 급 케미컬루핑 연소시스템에서 대량생산 입자의 고체순환 특성 및 반응 특성

저자 : 류호정 ( Ho-jung Ryu ) , 조성호 ( Sung-ho Jo ) , 이승용 ( Seung-yong Lee ) , 이도연 ( Doyeon Lee ) , 남형석 ( Hyungseok Nam ) , 황병욱 ( Byung Wook Hwang ) , 김하나 ( Hana Kim ) , 김정환 ( Junghwan Kim ) , 백점인 ( Jeom-in Baek )

발행기관 : 한국수소및신에너지학회(구 한국수소에너지학회) 간행물 : 한국수소 및 신에너지학회논문집 30권 2호 발행 연도 : 2019 페이지 : pp. 170-177 (8 pages)

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Continuous solid circulation test at high temperature and high pressure conditions and batch type reduction-oxidation tests were performed to check feasibility of a 0.5 MWth chemical looping combustion system. Pressure drop profiles were maintained stable during continuous solid circulation up to 16 hours. Therefore, we could conclude that the solid circulation between an air reactor and a fuel reactor could be smooth and stable. The measured fuel conversion and CO2 selectivity were high enough even at high capacity and even after cyclic tests. Therefore, we could expect high reactivity of oxygen carrier at real operation condition.

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