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ESL's Ocean Wave Energy Harvesting Advancements Make Recent News

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Electro Standards Laboratories
36 Western Industrial Dr.
Cranston, RI, 02921 3403
USA



Press release date: June 3, 2014

Electro Standards Laboratories’ Wave Energy Harvesting research has been highlighted in a recent article published by Providence Business News. The article highlights the efforts of Electro Standards Laboratories, Cranston RI, in collaboration with the University of Rhode Island, Kingston, RI, to develop new systems to power remote sensor buoys or other remote ocean platforms using wave energy from the ocean. The accomplishments include two different buoy designs, a Direct Drive System and a Resonant Drive System.

The Direct Drive System provides power from the differential motion between the buoy float and a submerged resistant plate. The Resonant Drive System amplifies the generator’s armature motion at the peak period of the sea state. Scale model testing has been performed in the URI Department of Ocean Engineering wave tank as well as at the mouth of Narragansett Bay.

The buoy system design is customized and scalable (1-250 W) and can be suited to moored or drifting applications. The targeted applications for this technology include recharging stations for UUV (Unmanned Underwater Vehicles), elimination of batteries, replacement/augmentation for solar power, sonar listening stations, weather monitoring buoys, wave monitoring buoys, Tsunami warning stations, and port monitoring. 

The buoy system was designed using ULTIMO™ Lithium Ion Capacitors (LIC), for energy storage. Lithium Ion Capacitors, also referred to as Supercapacitors, use hybrid technology to provide improved energy density of 12Wh/kg or 20Wh/L, which is two to three times greater than conventional EDLC’s (Electric Double Layer Capacitors). LIC’s are an excellent energy storage solution for ocean based devices because of their high cycle life (up to 1 million cycles), long calendar life, low internal resistance, and slow self-discharge rates.

Though Electro Standards Laboratories and URI have been awarded some federal funding in the past through the Small Business Innovation Research program, more funding is necessary for their scientists and researchers to take these designs it to the next level. Investing in this type of innovative technology will only strengthen and grow the State of RI’s economy. Dr. Raymond Sepe Jr., is the program's lead scientist.  For more information on Ocean Wave Energy Opportunities with Electro Standards Laboratories, call 401.943.1164, or email eslab@electrostandards.com

To view more about Electro Standards Laboratories Wave Energy Harvesting Research and Development, visit: http://www.electrostandards.com/Research-Development/21/Default.asp

To view a full description of the Providence Business Article, visit http://pbn.com/wave-energy-a-tantalizing-prospect,97312?print=1
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