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Open Access Porous Coordination Polymers as Novel Sorption Materials for Heat Transformation Processes

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Porous coordination polymers (PCPs)/metal-organic frameworks (MOFs) are inorganic–organic hybrid materials with a permanent three-dimensional porous metal–ligand network. PCPs or MOFs are inorganic–organic analogs of zeolites in terms of porosity and reversible guest exchange properties. Microporous water-stable PCPs with high water uptake capacity are gaining attention for low temperature heat transformation applications in thermally driven adsorption chillers (TDCs) or adsorption heat pumps (AHPs). TDCs or AHPs are an alternative to traditional air conditioners or heat pumps operating on electricity or fossil fuels. By using solar or waste heat as the operating energy TDCs or AHPs can significantly help to minimize primary energy consumption and greenhouse gas emissions generated by industrial or domestic heating and cooling processes. TDCs and AHPs are based on the evaporation and consecutive adsorption of coolant liquids, preferably water, under specific conditions. The process is driven and controlled by the microporosity and hydrophilicity of the employed sorption material. Here we summarize the current investigations, developments and possibilities of PCPs/MOFs for use in low-temperature heat transformation applications as alternative materials for the traditional inorganic porous substances like silica gel, aluminophosphates or zeolites.
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Keywords: ADSORPTION; COORDINATION POLYMERS; HEAT TRANSFORMATION; METAL-ORGANIC FRAMEWORKS; WATER SORPTION

Document Type: Research Article

Affiliations: 1: University of Düsseldorf Institut für Anorganische Chemie und Strukturchemie Universitätsstr. 1 D-40597 Düsseldorf, Germany. [email protected] 2: Fraunhofer Institute for Solar Energy Systems ISE Dept. Thermally Active Materials and Solar Cooling Heidenhofstr. 2 D-79110 Freiburg, Germany. stefan.hennin[email protected]

Publication date: May 1, 2013

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  • International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions

    CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.

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