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Energy and exergy analyses of electrolytic hydrogen production

Abstract

The thermodynamic performance is investigated of a water-electrolysis process for producing hydrogen, based on current-technology equipment. Both energy and exergy analyses are used. Three cases are considered in which the principal driving energy inputs are (i) electricity, (ii) the high-temperature heat used to generate the electricity, and (iii) the heat source used to produce the high-temperature heat. The nature of the heat source (e.g.) fossil fuel, nuclear fuel, solar energy, (etc.) is left as general as possible. The analyses indicate that, when the main driving input is the hypothetical heat source, the principal thermodynamic losses are associated with water splitting, electricity generation and heat production; the losses are mainly due to the irreversibilities associated with converting a heat source to heat, and heat transfer across large temperature differences. The losses associated with the waste heat in used cooling water, because of its low quality, are not as significant as energy analysis indicates. (Author)
Authors:
Rosen, M A [1] 
  1. Ryerson Polytechnic Univ., Toronto, ON (Canada). Dept. of Mechanical Engineering
Publication Date:
Jul 01, 1995
Product Type:
Journal Article
Reference Number:
SCA: 080101; PA: GB-95:052079; EDB-95:146835; SN: 95001483748
Resource Relation:
Journal Name: International Journal of Hydrogen Energy; Journal Volume: 20; Journal Issue: 7; Other Information: PBD: Jul 1995
Subject:
08 HYDROGEN FUEL; HYDROGEN PRODUCTION; ELECTROLYSIS; ENERGY ANALYSIS; WATER; EXERGY; THERMODYNAMICS; PERFORMANCE
OSTI ID:
122214
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: IJHEDX; ISSN 0360-3199; TRN: GB9552079
Submitting Site:
GB
Size:
pp. 547-553
Announcement Date:

Citation Formats

Rosen, M A. Energy and exergy analyses of electrolytic hydrogen production. United Kingdom: N. p., 1995. Web. doi:10.1016/0360-3199(94)00102-6.
Rosen, M A. Energy and exergy analyses of electrolytic hydrogen production. United Kingdom. doi:10.1016/0360-3199(94)00102-6.
Rosen, M A. 1995. "Energy and exergy analyses of electrolytic hydrogen production." United Kingdom. doi:10.1016/0360-3199(94)00102-6. https://www.osti.gov/servlets/purl/10.1016/0360-3199(94)00102-6.
@misc{etde_122214,
title = {Energy and exergy analyses of electrolytic hydrogen production}
author = {Rosen, M A}
abstractNote = {The thermodynamic performance is investigated of a water-electrolysis process for producing hydrogen, based on current-technology equipment. Both energy and exergy analyses are used. Three cases are considered in which the principal driving energy inputs are (i) electricity, (ii) the high-temperature heat used to generate the electricity, and (iii) the heat source used to produce the high-temperature heat. The nature of the heat source (e.g.) fossil fuel, nuclear fuel, solar energy, (etc.) is left as general as possible. The analyses indicate that, when the main driving input is the hypothetical heat source, the principal thermodynamic losses are associated with water splitting, electricity generation and heat production; the losses are mainly due to the irreversibilities associated with converting a heat source to heat, and heat transfer across large temperature differences. The losses associated with the waste heat in used cooling water, because of its low quality, are not as significant as energy analysis indicates. (Author)}
doi = {10.1016/0360-3199(94)00102-6}
journal = {International Journal of Hydrogen Energy}
issue = {7}
volume = {20}
journal type = {AC}
place = {United Kingdom}
year = {1995}
month = {Jul}
}