J. of Mech. Eng., 2017, vol. 20, no. 1, pp. 62-68
|Journal||Journal of Mechanical Engineering|
|Publisher||A. Podgorny Institute for Mechanical Engineering Problems
National Academy of Science of Ukraine
|ISSN||0131-2928 (Print), 2411-0779 (Online)|
|Issue||Vol. 20, no. 1, 2017 (March)|
L. R. Kozak, Yuzhnoye State Design Office (3 Krivorozhskaya St., Dnipro, 49008, Ukraine), e-mail: email@example.com
A. A. Shevchenko, A. Podgorny Institute of Mechanical Engineering Problems of NASU (2/10, Pozharsky St., Kharkiv, 61046, Ukraine), e-mail: firstname.lastname@example.org
M. M. Zipunnikov, A. Podgorny Institute of Mechanical Engineering Problems of NASU (2/10, Pozharsky St., Kharkiv, 61046, Ukraine), e-mail: email@example.com
R. Campbell, CAP Holdings Company LLC, (Monterrey, CA, USA) , e-mail: firstname.lastname@example.org
F. Seamon, CAP Holdings Company LLC, (Monterrey, CA, USA) , e-mail: email@example.com
This article describes the development of a versatile technology that can be used to provide continuous power for a desalination plant using wind energy. We have studied the main principles to realize the electrochemical method of high-pressure hydrogen and oxygen generation with the use of variable-valency metals as electrodes. We propose a highly reliable and operationally safe system to store chemical energy as high-pressure hydrogen for later use in fuel cells. Such a hydrogen generation and storage system allows the chemical reaction rate to be controlled by controlling the current intensity and, thereby controlling the consumed power. This is especially important when the primary energy source for the electrolysis installation is wind power, which is not constant and is affected by climatic factors. The article provides recommendations as to the application of this versatile technology to generate hydrogen (oxygen) using the changeable wind or solar renewable energy as the primary energy sources. Scientific and technical principles for creation of energy electrochemical hydrogen accumulators are formed and ways to optimize their operation under variable modes, which represent the real conditions of exploitation of energy-technological complexes created on the basis of wind power stations, are proposed. Cost indexes over of the creation and exploitation of a hydrogen generation system are presented depending on the pressure level in an electrolyzer.
Keywords: wind, hydrogen, electrolyzer, gas absorbing electrode, electrochemical cell, current density, wind-hydrogen energy storage system
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Received 18 December 2016