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SPERA Hydrogen System^(TM)by LOHC-MCH Method for Massive Hydrogen Storage and Transportation
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作者 Yoshimi Okada Kaji Naohiro +4 位作者 Osamu Ikeda Kenichi Imagawa Hironori Kawai Masashi Nagai Yasuhiro Inoue 《Journal of Environmental Science and Engineering(A)》 CAS 2024年第2期50-60,共11页
Expanding the hydrogen energy utilization is essential for decarbonization,and the commercialization of hydrogen energy carrier systems that can“store”and“transport”hydrogen in a large scale is necessary.The organ... Expanding the hydrogen energy utilization is essential for decarbonization,and the commercialization of hydrogen energy carrier systems that can“store”and“transport”hydrogen in a large scale is necessary.The organic chemical hydride method incorporates hydrogen atoms into the molecular structure of a LOHC(Liquid Organic Hydrogen Carrier)to store and transport hydrogen in a liquid state under normal temperature and pressure,and is a highly safe method with low business risk.Chiyoda has been developing the technology since 2002,completed a pilot demonstration in 2014 and named it the SPERA Hydrogen^(TM) System,and successfully completed an international supply chain demonstration that transports hydrogen from Brunei to Japan in a large scale in 2020,moving to the commercialization stage.Currently,Chiyoda is conducting feasibility studies with a number of domestic and foreign companies with the aim of commercializing the system as soon as possible.In this paper,outline,features,development status and our efforts in commercialization of SPERA HydrogenTM System are introduced. 展开更多
关键词 HYDROGEN carrier LOHC METHYLCYCLOHEXANE MCH TOLUENE
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Durability of Seawater Mixed Concrete with Different Replacement Ratio of BFS (Blast Furnace Slag) and FA (Fly Ash) 被引量:1
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作者 Nobuaki Otsuki Aung Kyaw Min +1 位作者 Tomohiro Nagata Cheng Yi 《Journal of Civil Engineering and Architecture》 2016年第5期568-580,共13页
Using seawater in concrete can be considered as one of the sustainable approaches in construction industry not only to save the freshwater resource but also to promote the use of abandoned seawater resource, especiall... Using seawater in concrete can be considered as one of the sustainable approaches in construction industry not only to save the freshwater resource but also to promote the use of abandoned seawater resource, especially in the construction at the uninhabited area close to the sea where the procurement of fresh water is difficult. In this study, durability against chloride attack of seawater mixed concrete with different replacement ratio of BFS (blast furnace slag) and FA (fly ash) is discussed and the life time until the occurrence of corrosion crack is evaluated. The results show that: (1) Chloride penetration rate of seawater mixed specimens with BFS and FA is lower than that of freshwater mixed OPC (ordinary Portland cement) specimens; (2) Oxygen permeability of seawater mixed specimens with BFS and FA is almost the same or lower than that of freshwater mixed OPC specimens; (3) Total life time (corrosion incubation period and propagation period) of seawater mixed specimens with BFS and FA is almost the same or only slightly shorter than that of freshwater mixed OPC specimens. From the results, it was confirmed that the usage of seawater in concrete mixing is feasible in concrete with the appropriate BFS and FA replacement ratio. 展开更多
关键词 Seawater chloride attack CORROSION durability of concrete blast furnace slag fly ash.
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Speed Control Method of Electric Vehicle for Improving Passenger Ride Quality
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作者 Hidetake Fuse Tohru Kawabe Masayuki Kawamoto 《Intelligent Control and Automation》 2017年第1期29-43,共15页
This paper proposes the new speed control method of electric vehicles by generating the longitudinal speed pattern for improving the ride comfort against the longitudinal acceleration/deceleration. Since the longitudi... This paper proposes the new speed control method of electric vehicles by generating the longitudinal speed pattern for improving the ride comfort against the longitudinal acceleration/deceleration. Since the longitudinal acceleration/deceleration of EVs causes the discomfort of passengers, reducing such bad effect of acceleration/deceleration acting on passengers is very important for not only the ride comfort of passengers but also vehicle running safety. The proposed method is applying the general optimal control theory and it generates the speed pattern for improving the passenger ride quality based on evaluating the variations of acceleration and the jerk which is time derivative of the acceleration. The effectiveness of the present method is demonstrated through numerical experiments compared with some conventional methods. 展开更多
关键词 Electric Vehicle RIDE Quality Speed Pattern Acceleration/Deceleration JERK
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Best mix of primary energy resources by renewable energy and fossil fuel with CCS in view of security,stability and sustainability——A vision on hydrogen supply chain by organic chemical hydride method 被引量:4
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作者 Junichi SAKAGUCHI 《Science China(Technological Sciences)》 SCIE EI CAS 2010年第1期62-68,共7页
The best mix scenario by renewable energy and fossil fuel with or without CCS(Carbon Dioxide Capture and Storage) would be a solution to compromise Greenhouse Gases emission issue caused by carbon dioxide(CO2),and dep... The best mix scenario by renewable energy and fossil fuel with or without CCS(Carbon Dioxide Capture and Storage) would be a solution to compromise Greenhouse Gases emission issue caused by carbon dioxide(CO2),and depletion of crude oil and natural gas reserves.As fossil fuel with pre-combustion CCS means hydrogen manufacturing and also hydrogen can be produced via electrolysis with renewable energy,it is desirable to establish transportation and storage systems of hydrogen as a clean energy.In this paper a vision on Hydrogen Supply Chain by Organic Chemical Hydride(OCH) Method as well as comparison of CCS configuration are discussed. 展开更多
关键词 pre-combustion CCS compressors and PUMPS for CCS Hydrogen Supply Chain ORGANIC Chemical HYDRIDE METHOD
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