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Integral characteristics of hydrogen production in alkaline electrolysers
Mori, Mitja (Author), Mržljak, Tilen (Author), Drobnič, Boštjan (Author), Sekavčnik, Mihael (Author)

URLURL - Presentation file, Visit http://www.dlib.si/details/URN:NBN:SI:doc-NR7MIJ6O New window

Abstract
This paper summarises the results of experimental investigations of a commercial alkaline water electrolyser used for hydrogen production tobalance decentralised electricity production from renewables. Experiments have been conducted on an alkaline water electrolyser operatingat a pressure range up to 25 bar g and having a maximum production capacity of 15 Nm hydrogen per hour. In stationary conditions, theenergy efficiency of an electrolytic cell has been calculated, and the characteristics of the electrolyser stack has been described with anempirical equation. The energy efficiency of the entire system and hydrogen losses within the boundaries of the system have been determined.Experimental results show that the energy efficiency of an electrolytic cell at typical operating conditions ranges between 73 and 83%, andthe energy efficiency of the entire system is between 50 and 60%. Hydrogen losses within the boundaries of the system, compared to the totalproduced amount of hydrogen, are between 10 and 25%, depending of operating conditions.

Language:English
Keywords:advanced energy systems, renewable energy sources, alkaline water electrolysis, hydrogen production, energy characteristics
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2013
Number of pages:str. 585-594, SI 116
Numbering:Vol. 59, no. 10
UDC:620.92:669.713.76
ISSN on article:0039-2480
DOI:10.5545/sv-jme.2012.858 Link is opened in a new window
COBISS.SI-ID:13158683 Link is opened in a new window
Views:418
Downloads:205
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Record is a part of a journal

Title:Strojniški vestnik
Shortened title:Stroj. vestn.
Publisher:Zveza strojnih inženirjev in tehnikov Slovenije [et al.], = Association of Mechanical Engineers and Technicians of Slovenia [et al.]
ISSN:0039-2480
COBISS.SI-ID:762116 New window

Secondary language

Language:Slovenian
Keywords:napredni energetski sistemi, obnovljivi viri energije, elektroliza, elektrolizerji, proizvodnja vodika, energijske karakteristike

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