Characterization of Vanadium Flow Battery

Publication: ResearchReport – Annual report year: 2010

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This report summarizes the work done at Risø-DTU testing a vanadium flow battery as part of the project “Characterisation of Vanadium Batteries” (ForskEl project 6555) with the partners PA Energy A/S and OI Electric A/S under the Danish PSO energy research program. A 15kW/120kWh vanadium battery has been installed as part of the distributed energy systems experimental facility, SYSLAB, at Risø DTU. A test programme has been carried out to get hands-on experience with the technology, to characterize the battery from a power system point of view and to assess it with respect to integration of wind energy in the Danish power system. The battery has been in operation for 18 months. During time of operation the battery has not shown signs of degradation of performance. It has a round-trip efficiency at full load of approximately 60% (depending on temperature and SOC). The sources of the losses are power conversion in cell stacks/electrolyte, power converter, and auxiliary power consumption from pumps and controller. The response time for the battery is limited at
Original languageEnglish
Publication date2010
Place of publicationRoskilde
PublisherDanmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi
Number of pages29
ISBN (print)978-87-550-3853-0
StatePublished
NameDenmark. Forskningscenter Risoe. Risoe-R
Number1753(EN)
ISSN (print)0106-2840

Keywords

  • Intelligent energy systems, Risø-R-1753, Risø-R-1753(EN)
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