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IMAGE: When there is a surplus of electricity from wind or solar, the energy storage is charged. This is done by a system of compressors and turbines pumping heat energy from. view more
Credit: Claus Rye, Stiesdal Storage Technologies.
Pea sized stones heated to 600?C in large, insulated steel tanks are at the heart of a new innovation project aiming to make a breakthrough in the storage of intermittent wind and solar electricity.
The technology, which stores electrical energy as heat in stones, is called GridScale, and could become a cheap and efficient alternative to storing power from solar and wind in lithium-based batteries. While lithium batteries are only cost-effective for the supply of energy for short periods of up to four hours, a GridScale electricity storage system will cost effectively support electricity supply for longer periods - up to about a week.
Blue World Technologies Partners Up with Alfa Laval on a Carbon-Neutral Methanol Fuel Cell System for shipping
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Blue World Technologies partners with Alfa Laval on methanol fuel-cell system for shipping
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Press Release – An innovative fuel cell system based on high-temperature proton exchange membrane (HTPEM) technology from Blue World Technologies is being constructed for testing at the Alfa Laval Test & Training Centre in Aalborg, Denmark. The test installation, which will use methanol as fuel, will explore the technology’s potential as a source of marine auxiliary power. Funded by Danish EUDP (Energy Technology Development and Demonstration Program), the project is a joint effort between fuel cell maker Blue World Technologies, Alfa Laval and vessel owners DFDS, Maersk Drilling and Hafnia.
Creating a scalable fuel cell solution
The aim of the project is to establish a highly efficient and cost-effective HTPEM fuel cell solution, giving marine vessels a realistic alternative to combustion-based auxiliary power within the near future. The fuel cell test setup will have a power of 200 kW, but the fully developed and modular design should be possible to sc