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Heat Storage, Technology Trends
If solar energy is to be the primary or only source of heat for houses in the future, there will arise a need for storing it more efficiently. Materials have to be found that are able to hold more energy than water, but with less volume and higher loss. Task 32 of the International Energy Agency's (IEA) Solar & Cooling programme was working on this issue. The scientists presented their results at the Eurosun 2008 in Lisbon, at the beginning of October.