Electrolyzer Pressure Equalization System

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Intellectual Property

ID:		UML 02-20
IP Type:		Licensable Technology
Title:		Electrolyzer Pressure Equalization System
Inventor:		John Duffy
Summary:		There is a tremendous opportunity in meeting the needs for a reliable and sustainable energy source. Unfortunately billions of people living in remote locations and developing countries have little access to electricity. Even a modest amount of electrical power can dramatically improve the quality of life for people in under-served regions. Basic applications in these rural areas could include items such as lighting, medical, and health related items such as refrigeration for medicines and food. Renewable energy technologies including solar photovoltaic, solar thermal, geothermal, tidal, wind and others offer the hope of renewable resources local to the area in needs of power. In addition, these renewable energy technologies are inherently scalable and lend themselves to the potential of eliminating the need for a power grid. However, these renewable energy technologies generally need a regenerative energy storage mechanism in that they are not capable typically of varying output based on demand. In addition, many of these technologies are cyclical in nature such as photovoltaic where the output from the energy source drops essentially to zero at night. Most regenerative electrolyzer/fuel cell system have several short-comings including the need for large size storage tanks to hold sufficient gas for the fuel cell. This technology is a regenerative electrolyer/fuel cell system energy storage system consists of an energy storage device similar to a battery in function. This novel storage system takes electricity and converts it to hydrogen and oxygen gas, then it stores the gases under differential-pressure relief value. The energy storage system has a differential-pressure relief valve connected to the output lines to maintain the gases within a defined pressure differential. This process is continuously generated and can be repeated. The system includes features that prevent leakage of gases out from the electrolyzer and across the membrane that separates the hydrogen and oxygen gases internally.
Tech Type:		Mechanical Engineering
URL:		http://www.uml.edu/cvip
Contact:		Susu Wong, 978 934 4722, susu_wong@uml.edu
Organization:		University of Massachusetts Lowell

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