...Dongkeun Lee; Young Sang Kim; Yonggyun Bae; Jin Young Park; Kook Young Ahn The solid oxide electrolysis cell (SOEC) is recognized as a promising method for hydrogen production, attributed to its high efficiency. Steam is split into hydrogen and oxygen by electrolysis at high temperatures...

... to yield ammonia. For hydrogen production from water, five different hydrogen production methods are used, namely, conventional electrolysis (CE), high-temperature electrolysis (HTE), and 3-, 4-, and 5-step Cu–Cl cycles. The nitrogen required for ammonia synthesis is extracted from the air by the cryogenic...

..., 2013; published online September 12, 2013. Assoc. Editor: Sarma V. Pisupati. 18 12 2012 15 05 2013 Catalytic systems play an important role in hydrogen production via ethanol reforming. The effect of Ni loading on the characteristics and activities of Ni/Al 2 O 3 catalysts used...

...Jered Dean; Robert Braun; Michael Penev; Christopher Kinchin; David Muñoz The increased use of intermittent renewable power in the United States is forcing utilities to manage increasingly complex supply and demand interactions. This paper evaluates biomass pathways for hydrogen production and how...

... and purification processes. Additional suggestions for improvements in the biorefinery plant for hydrogen production are given. ψ p physical exergy (kJ/kmol) ψ ch chemical exergy (kJ/kmol) ψ ̇ exergy flow (kW) h ¯ T , P specific molar...

...Michela Vellini; Jacopo Tonziello Hydrogen technology is becoming ever more relevant because hydrogen use can help in containing greenhouse gas emission if CO 2 capture and storage technologies are implemented in the hydrogen production pathway (when hydrogen is produced from fossil fuels...

...E. A. Harvego; M. G. McKellar; M. S. Sohal; J. E. O’Brien; J. S. Herring A reference design for a commercial-scale high-temperature electrolysis (HTE) plant for hydrogen production was developed to provide a basis for comparing the HTE concept with other hydrogen-production concepts. The reference...

...L. L. Lubis; I. Dincer; M. A. Rosen A life cycle assessment of nuclear-based hydrogen production using thermochemical water splitting is conducted. The copper-chlorine thermochemical cycle is considered, and the environmental impacts of the nuclear and thermochemical plants are assessed...

...Nesrin Ozalp This paper gives a representative energy process-step model of hydrogen production in the U.S. Chemical Industry based on federal data. There have been prior efforts to create energy process-step models for other industries. However, among all manufacturing industries, creating energy...

...Hui Hong; Qibin Liu; Hongguang Jin In this paper, a novel approach of middle-temperature solar hydrogen production using methanol steam reforming is proposed. It can be carried out at around 200 – 300 ° C , much lower than the temperatures of other solar thermochemical hydrogen production...