Abstract
The reduction of carbon dioxide emissions has become a need of the day to overcome different environmental issues and challenges. The use of alternative and renewable-based technologies is one of the options to achieve the target of sustainable development through the reduction of these harmful emissions. Among different technologies thermally activated cooling systems are one which can reduce the harmful emissions caused by conventional heating, ventilation, and air conditioning technology. Thermal cooling systems utilize different porous materials and work on a reversible adsorption/desorption cycle. Different advancements have been made for this technology but still a lot of work should be done to replace conventional systems with this newly developed technology. High adsorption capacity and lower input heat are two major requirements for efficient thermally driven cooling technologies. In this regard, it is a need of the day to develop novel adsorbents with high sorption capacity and low regeneration temperature. Due to tunable topologies and a highly porous nature, the hybrid porous crystalline materials known as metal–organic frameworks (MOFs) are a great inspiration for thermally driven adsorption-based cooling applications. Keeping all the above-mentioned aspects in mind, this paper presents a comprehensive overview of the potential use of MOFs as adsorbent material for adsorption and desiccant cooling technologies. A detailed overview of MOFs, their structure, and their stability are presented. This review will be helpful for the research community to have updated research progress in MOFs and their potential use for adsorption-based cooling systems.
Highlights
Energy consumption across different sectors is increasing continuously with households as the major contributor which is responsible for one-third of the world’s total energy consumption [1]
Tannert et al [103] reported desirable water uptake characteristics and thermal stability of that Al-based metal–organic framework MIL-53(Al)-TDC which has an average heat of adsorption of only 2.6 kJ g−1
metal–organic frameworks (MOFs) showed exceptionally high porosity, well-defined molecular adsorption sites, and a large surface area in comparison to currently used adsorbents like silica gel (1000 m2/g), zeolite (900 m2/g), and activated carbon (1300 m2/g), which suffer from low water uptake
Summary
Energy consumption across different sectors is increasing continuously with households as the major contributor which is responsible for one-third of the world’s total energy consumption [1]. The energy demands for heating and cooling applications are increasing at a rapid rate and are accounting for more than 17% of worldwide consumption as can be observed from Figure 1 [4]. This demand is projected to increase at a rapid rate in the future as well. To combat this increasing demand for energy, a target of 20% reduction in primary energy use by 2020 has been set by EU-28 countries [5] and to achieve this milestone different alternative energy technology needs to be introduced. AusseuoitfatbhleesMe OnoFvcealnstbruecsteulreecsteads baanseaddsoonrbthenetdfeosriraeddsoorubtecnomt-beaasnedd cfuoortlhinegr tmunayedpiefrfnoeremdebde.tTtehreaus sceomofptahreesde tnoovoethl esrtrmucattuerreiaslassthaant aadresowrbideneltyfourseaddsfoorrbtehnets-ebaaspepdliccoaotiloinngs.mInayshpoerrtf,otromfinbdetoteurtatshicsopmopteanretidaltothorothuegrhmaactoermiaplsrethheant sairvee wreivdieelwy uosfeaddsfoorrbtehnets-ebaaspedplcicoaotiloinngs.syInstesmhosr,td, etosirfeinddadosuotrtbheinstpboetheanvtiiaolr tfhorrotuhgehseateccohmnoplroeghieenssaivned rceovmiepwaroaftiavdesaodrbsoernpt-tbioansepdrocpoeorltiinegs osyf sMteOmFss, idsetshireeadimadosfotrhbiesnptabpeehr.avior for these technologies and comparative adsorption properties of MOFs is the aim of this paper
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