Heat Storage

  • Source: ZAE Bayern

    In search of cost-effective, advanced PCMs

    Salt hydrates are the most interesting phase change material in the low-temperature range of up to 150 °C. Their volume-related enthalpy at melting is much higher than the enthalpy of paraffins and sugar alcohols (see the chart above) and they are comparatively inexpensive. This is why the...
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  • Chart: Task 58

    Compact thermal energy storage: research in cycles

    Research into compact thermal energy storage is made difficult by the fact that the performance of storage materials depends significantly on their intended purpose. For example, storage tanks that are integrated into space heating systems are made of materials different from those used to...
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  • Chinese market keeps shrinking, but exports on the rise

    Chinese market keeps shrinking, but exports on the rise

    At the beginning of December 2019, the Chinese Solar Thermal Utilisation Specialisation Committee (CSTIF) held its annual conference, which gave attendees the opportunity to learn more about the latest trends in the solar thermal market. Xiaoli Zhang, Director of CSTIF, which is part of the...
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  • Embedded thumbnail for Sabine Putz: Solar Heat for Cities

    Sabine Putz: Solar Heat for Cities

    Europe follows the role model of Denmark were already more than 120 towns, villages and cities use solar district heating. Adapted seasonal heat storage concepts are the big challenge of the future, says Sabine Putz in an Interview at SHC 2019 conference in Santiago de Chile. Sabine Putz...
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  • Embedded thumbnail for Wim van Helden: Encouraging faster materials development for compact storage

    Wim van Helden: Encouraging faster materials development for compact storage

    Compact storage tanks with high heat storage capacity and reduced losses are one of the key component in the energy transition towards renewables. In the interview with Wim van Helden on the SHC 2019 conference in Santiago de Chile, the researcher calls for increased research budgets for energy...
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  • Illustration: Cover page of the Materials Acceleration Platform report

    Encouraging faster materials development for compact storage

    Research and industry experts in thermochemical storage materials are invited to participate in a workshop that will take place on 11 and 12 November in Erlangen, Germany. The objective of the event will be to outline a road map to a Thermal Energy Storage Materials Acceleration...
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  • Construction starts on Germany's largest SDH plant

    Construction starts on Germany's largest SDH plant

    On 21 June, local utility Stadtwerke Ludwigsburg-Kornwestheim (SWLB) was given the go-ahead to put up Germany's largest solar thermal field, a flat plate collector installation measuring 14,800 m² (9 MWth). Once it comes online, presumably by the end of this year, it will...
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  • Seasonal pit heat storage: Cost benchmark of 30 EUR/m³

    Seasonal pit heat storage: Cost benchmark of 30 EUR/m³

    Denmark has had a successful learning curve regarding to the cost and efficiency of seasonal pit heat storage, which is used to store sunlight in summer for heating purposes in winter. Take Sunstore 3, for example, a 60,000 m³ pit heat storage system built at a cost of 38 EUR/m³ of storage...
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  • “The market requires simple plug-and-play solutions”

    “The market requires simple plug-and-play solutions”

    Spanish-based supplier Endef is seeing increased demand for both its covered and uncovered PV-thermal systems produced in-house in Saragossa. Last year was the first in which the business installed devices at non-commercial buildings in Spain and implemented projects abroad. Endef is a...
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  • “Coal-powered district heating should be gradually phased out”

    “Coal-powered district heating should be gradually phased out”

    Poland is setting up a programme to promote renewable district heat, and thermal storage along with it. Called Heat from Renewable Energy Sources, or Cieplo z OZE in Polish, the scheme will be managed by the National Fund for Environmental Protection and Water Management,...
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  • PVT and seasonal storage: innovative technologies in Spain

    PVT and seasonal storage: innovative technologies in Spain

    Local production of PVT panels and systems which achieve high solar fractions by using seasonal storage: This is the main objective of Spanish start-up company Abora, based in Saragossa. It has already installed several hot water PVT systems at multi-family houses, sports centres and...
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  • Online database on advanced PCMs

    Online database on advanced PCMs

    Compared to water, phase change materials (PCMs) offer more capacity to store heat in tanks. As a consequence, researchers in all corners of the world have been developing new materials and their properties. To ensure the employment of a shared methodology and the use of equivalent terms to...
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