Offshore hydrogen production from wave energy

The aim of this paper is to present and evaluate a proposal for designing an off-grid offshore electrolysis plant powered by wave energy. This plant includes PEM electrolyzers, a Reverse Osmosis system to produce water with adequate conductivity, a compression unit to store the hydrogen for transpor...

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Bibliographic Details
Published in:International journal of hydrogen energy 2014-01, Vol.39 (3), p.1549-1557
Main Authors: Serna, Álvaro, Tadeo, Fernando
Format: Article
Language:English
Subjects:
Electrolyzers
Mathematical models
Off-grid systems
Offshore
Offshore engineering
Offshore structures
Offshore systems
Position (location)
Power plants
Proposals
Sizing
Wave energy
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Summary:The aim of this paper is to present and evaluate a proposal for designing an off-grid offshore electrolysis plant powered by wave energy. This plant includes PEM electrolyzers, a Reverse Osmosis system to produce water with adequate conductivity, a compression unit to store the hydrogen for transport, and batteries for temporary storage of electricity for short-time balances. First, the systems that compose the proposed plant are justified and described. Then a proposal for sizing these subsystems is given, based on using buoy-measured data at the expected location and simple mathematical models of the different sections of the plant. Finally the performance of the plant in a specific location is tested in detailed by using measured data, studying the influence of sizing on the expected performance. •A generic offshore platform generates hydrogen from waves.•A sizing methodology for its components is given.•A control algorithm balances power consumption with power production.•One platform is designed and evaluated in one location using buoy data.
ISSN:0360-3199
1879-3487
DOI:10.1016/j.ijhydene.2013.04.113